Patent application number | Description | Published |
20110062378 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material based on lithium nickel oxide represented by Formula 1, wherein the lithium nickel oxide has a nickel content of at least 40% among overall transition metals and is coated with a polymer having a melting point of 80 to 300° C. at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while maintaining high temperature stability, so as to efficiently provide high charge capacity. | 03-17-2011 |
20110065000 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material for a lithium secondary battery, including lithium transition metal oxide, where the lithium transition metal oxide is coated with carbon particles and a polymer resin at a surface thereof, and the polymer resin is a substance inactivated by an electrolyte for a lithium secondary battery and an organic solvent and has a melting point of at least 80° C. | 03-17-2011 |
20110217586 | ELECTROCHEMICAL DEVICE WITH ALTERNATIVE SEPARATOR SYSTEM - Provided is an electrochemical device comprising multi-stacked unit cells of full cells or bicells and a separation film disposed therebetween, whereby the separation film and separators are alternately stacked between electrode layers with an opposite polarity. Herein, as the separation film is formed of a material having a higher thermal shrinkage rate than that of the separator, the thermal stability of the device can be secured by stable induction of shutdown via thermal behavior of the separation film, without causing short-circuiting due to thermal shrinkage of the separator even when a temperature of a battery suddenly rises by internal or external factors. | 09-08-2011 |
20110256443 | SEPARATOR INCLUDING POROUS COATING LAYER AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed is a separator. The separator includes a planar non-woven fabric substrate having a plurality of pores, and a porous coating layer formed on at least one surface of the non-woven fabric substrate. The porous coating layer is composed of a mixture of filler particles and a binder polymer. The filler particles include conductive positive temperature coefficient (PTC) particles composed of a mixture of conductive particles and a low melting point resin having a melting point lower than that of the non-woven fabric substrate. Due to the presence of the conductive PTC particles, the porous coating layer can be imparted with a shutdown function against thermal runaway. In addition, the porous coating layer exhibits appropriate electrical conductivity. Therefore, the separator is suitable for use in a high-capacity electrochemical device. | 10-20-2011 |
20110256452 | METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY AND A RECHARGEABLE LITHIUM BATTERY - The present invention provides a method of preparing a negative active material for a rechargeable lithium battery, comprising the steps of: mixing a silicon precursor, a surfactant comprising an ammonium halide salt having a organic group, an initiator, and a solvent; heat-treating the mixture; cooling the heat-treated mixture to room temperature; washing the cooled, heat treated mixture; and calcining the washed product. | 10-20-2011 |
20120009331 | Method For Manufacturing Cable-Type Secondary Battery - The present invention relates to a method for manufacturing a cable-type secondary battery comprising an electrode that extends longitudinally in a parallel arrangement and that includes a current collector having a horizontal cross section of a predetermined shape and an active material layer formed on the current collector, and the electrode is formed by putting an electrode slurry including an active material, a polymer binder, and a solvent into an extruder, by extrusion-coating the electrode slurry on the current collector while continuously providing the current collector to the extruder, and by drying the current collector coated with the electrode slurry to form an active material layer. | 01-12-2012 |
20120015233 | Cable-Type Secondary Battery - Provided is a cable-type secondary battery including an inner electrode comprising at least two anodes arranged in parallel that extend longitudinally and have a horizontal cross section of a predetermined shape, an electrolyte layer serving as an ion channel surrounding the inner electrode, an outer electrode comprising a tubular cathode having a horizontal cross section of a predetermined shape and surrounding the electrolyte layer, and a protection coating surrounding the outer electrode. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. A plurality of inner electrodes within a tubular outer electrode leads to an increased contact area therebetween and consequently a high battery rate. It is easy to control the capacity balance between the inner and outer electrodes by adjusting the number of inner electrodes. | 01-19-2012 |
20120015239 | Cable-Type Secondary Battery - Provided is a cable-type secondary battery including at least one anode extending longitudinally and having a horizontal cross section of a predetermined shape, a first electrolyte layer surrounding the anode and serving as an ion channel, at least one cathode extending longitudinally and having a horizontal cross section of a predetermined shape, the anode and the cathode arranged in parallel, a second electrolyte layer serving as an ion channel commonly surrounding the anode and the cathode, and a protection coating surrounding the second electrolyte layer. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. Introduction of the electrolyte layer on the electrode prevents a short circuit. The presence of a plurality of electrodes leads to an increased contact area therebetween and consequently a high battery rate. By adjusting the number of the anodes and the cathodes, it is easy to control the capacity balance therebetween. | 01-19-2012 |
20120037858 | ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY - Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the Si-metal alloy of the crystalline phase is the same as or different from the metal of the Si-metal alloy of the amorphous phase. | 02-16-2012 |
20120058376 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery comprising an inner electrode comprising at least two anodes arranged in parallel, the anode extending longitudinally and having a horizontal cross section of a predetermined shape, the anode having an electrolyte layer thereon serving as an ion channel; an outer electrode comprising a cathode including a cathode active material layer surrounding the inner electrode; and a protection coating surrounding the outer electrode. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. A plurality of inner electrodes within a tubular outer electrode lead to an increased contact area therebetween and consequently a high battery rate. It is easy to control the capacity balance between the inner and outer electrodes by adjusting the number of inner electrodes. A short circuit is prevented due to the electrolyte layer formed on the inner electrode. | 03-08-2012 |
20120077087 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the carbon layer with a pore wall of specific thickness placed therebetween. | 03-29-2012 |
20120094181 | Cathode Active Material For A Lithium Rechargeable Battery And A Production Method Therefor - The present invention relates to negative-electrode active material for a lithium secondary battery exhibiting excellent capacity property and cycle life property, a method of preparing the same, and a lithium secondary battery using the negative-electrode active material, wherein the negative-electrode active material for a lithium secondary battery comprises a nanotube having a tube shape defined by an outer wall with a thickness of nanoscale, the outer wall of the nanotube comprises at least one non-carbonaceous material selected from the group consisting of silicon, germanium and antimony, and an amorphous carbon layer with a thickness of 5 nm or less is formed on the outer wall of the nanotube. | 04-19-2012 |
20120094187 | ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, METHOD FOR PREPARING THE ELECTROLYTE AND ELECTROCHEMICAL DEVICE INCLUDING THE ELECTROLYTE - Disclosed is a solid electrolyte for an electrochemical device. The solid electrolyte includes a composite consisting of: a plastic crystal matrix electrolyte doped with an ionic salt; and a network of a non-crosslinked polymer and a crosslinked polymer structure. The electrolyte has high ionic conductivity comparable to that of a liquid electrolyte due to the use of the plastic crystal, and high mechanical strength comparable to that of a solid electrolyte due to the introduction of the non-crosslinked polymer/crosslinked polymer structure network. Particularly, the electrolyte is highly flexible. Further disclosed is a method for preparing the electrolyte. The method does not essentially require the use of a solvent. Therefore, the electrolyte can be prepared in a simple manner. The electrolyte is suitable for use in a cable-type battery whose shape is easy to change due to its high ionic conductivity and high mechanical strength in terms of flexibility. | 04-19-2012 |
20120100408 | CABLE-TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A cable-type secondary battery includes an electrode assembly, which has a first polarity current collector having a long and thin shape, at least two first polarity electrode active material layers formed on the first polarity current collector to be spaced apart in the longitudinal direction, an electrolyte layer filled to surround at least two first polarity electrode active material layers, at least two second polarity electrode active material layers formed on the electrolyte layer to be spaced apart at positions corresponding to the first polarity electrode active material layers, and a second polarity current collector configured to surround the outer surfaces of the second polarity electrode active material layers, the electrode assembly being continuously bent into a substantially “S” shape by a space between the first polarity electrode active material layers; and a cover member configured to surround the electrode assembly which is continuously bent into a substantially “S” shape. | 04-26-2012 |
20120100409 | CABLE-TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a cable-type secondary battery includes: preparing a first polarity current collector having a long and thin shape; forming at least two first polarity electrode active material layers on the first polarity current collector to be spaced apart from each other in the longitudinal direction; forming an electrolyte layer to surround at least two first polarity electrode active material layers; forming at least two second polarity electrode active material layers on the electrolyte layer to be spaced apart from each other at positions corresponding to the first polarity electrode active material layers; forming an electrode assembly by surrounding the second polarity electrode active material layers with a second polarity current collector; surrounding the electrode assembly with a cover member; and bending the electrode assembly and the cover member into a substantially “S” shape with respect to a space between the first polarity electrode active material layers. | 04-26-2012 |
20120100412 | CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, and a wire-type outer current collector wound on the outer surface of the electrode assembly, the electrode assembly including an inner current collector, an anode active material layer, and an electrolyte layer, and a cathode active material layer. | 04-26-2012 |
20120100415 | CABLE-TYPE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A cable-type secondary battery includes an electrode assembly, which has a first polarity current collector having a long and thin shape, at least two first polarity electrode active material layers formed on the first polarity current collector to be spaced apart in the longitudinal direction, an electrolyte layer filled to surround at least two first polarity electrode active material layers, and at least two second polarity electrode active material layers formed on the electrolyte layer to be spaced apart at positions corresponding to the first polarity electrode active material layers, the electrode assembly being continuously bent into a substantially “S” shape by a space between the first polarity electrode active material layers; and a second polarity current collector configured to surround at least one side of the electrode assembly bent into a substantially “S” shape. | 04-26-2012 |
20120107657 | CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an electrode assembly and a cover member surrounding the electrode assembly, the electrode assembly including first and second electrodes of an elongated shape and a separator or an electrolyte layer interposed between the first and second electrodes, each electrode including a current collector having a cross section of a circular, asymmetrical oval or polygonal shape perpendicular to the lengthwise direction thereof and an electrode active material applied onto the surface of the current collector, wherein the cover member has a preset pattern of continuous or discontinuous scratch grooves on the surface thereof. | 05-03-2012 |
20120107658 | CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an anode current collector having a horizontal cross section of a predetermined shape and extending longitudinally, an anode active material pattern layer having anode active material patterns spaced away at a predetermined interval on the anode current collector, an electrolyte layer surrounding the anode active material pattern layer and serving as an ion channel, a cathode active material pattern layer having cathode active material patterns spaced away at a predetermined interval on the electrolyte layer at locations corresponding to those of the anode active material patterns, and a cathode current collector surrounding the cathode active material pattern layer. | 05-03-2012 |
20120115040 | Electrolyte For Electrochemical Device, Method For Preparing The Electrolyte And Electrochemical Device Including The Electrolyte - Disclosed is an electrolyte for an electrochemical device. The electrolyte includes a composite of a plastic crystal matrix electrolyte doped with an ionic salt and a crosslinked polymer structure. The electrolyte has high ionic conductivity comparable to that of a liquid electrolyte due to the use of the plastic crystal, and high mechanical strength comparable to that of a solid electrolyte due to the introduction of the crosslinked polymer structure. Further disclosed is a method for preparing the electrolyte. The method does not essentially require the use of a solvent. Therefore, the electrolyte can be prepared in a simple manner by the method. The electrolyte is suitable for use in a cable-type battery whose shape is easy to change due to its high ionic conductivity and high mechanical strength. | 05-10-2012 |
20120121957 | COUPLING SOCKET FOR CABLE-TYPE SECONDARY BATTERY AND COUPLING ASSEMBLY HAVING THE SAME - A coupling socket of a cable-type secondary battery includes a first connection unit capable of being electrically connected to a terminal of a first polarity electrode of a cable-type secondary battery, a second connection unit capable of being electrically connected to a terminal of a second polarity electrode of another cable-type secondary battery, and a body electrically connected to the first connection unit and the second connection unit, wherein at least one of the first connection unit and the second connection unit is pivotal. | 05-17-2012 |
20120135299 | CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an electrode assembly and a cover member surrounding the electrode assembly, the electrode assembly including first and second electrodes of an elongated shape and a separator or an electrolyte interposed between the first and second electrodes, each electrode including a current collector having a cross section of a circular, asymmetrical oval or polygonal shape perpendicular to the lengthwise direction thereof and an electrode active material applied onto the surface of the current collector, wherein the cover member has at least partially a predetermined concavo-convex pattern in the direction of the electrode assembly.
| 05-31-2012 |
20120148902 | CABLE-TYPE SECONDARY BATTERY HAVING METAL-COATED POLYMER CURRENT COLLECTOR - A cable-type secondary battery is disclosed. The cable-type secondary battery includes electrodes, each of which includes a current collector having a horizontal cross section of a predetermined shape and an active material layer formed on the surface of the current collector. The electrodes extend in the lengthwise direction and are arranged in parallel. The current collector includes a polymer core and a metal coating layer formed on the surface of the polymer core. The use of the metal-coated polymer current collectors having high flexibility and conductivity makes the secondary battery highly flexible while maintaining the performance of the secondary battery. In addition, the cable-type secondary battery can be reduced in weight. | 06-14-2012 |
20120148918 | ANODE OF CABLE-TYPE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - Provided is a method for manufacturing an anode of a cable-type secondary battery having a solid electrolyte layer, including preparing an aqueous solution of an anode active material, making an anode by immersing a core as a current collector having a horizontal cross section of a predetermined shape and extending longitudinally in the aqueous solution, then applying an electric current to form a porous shell of the anode active material on the surface of the core, and forming a solid electrolyte layer on the surface of the anode by passing the anode through a solid electrolyte solution. The anode has a high contact area to increase the mobility of lithium ions, thereby improving battery performance. Also, the anode is capable of relieving stress and pressure in the battery, such as volume expansion during charging and discharging, thereby preventing battery deformation and ensuring battery stability. | 06-14-2012 |
20120156554 | Cable-Type Secondary Battery And Manufacturing Method Thereof - Provided is a method for manufacturing a cable-type secondary battery including preparing an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, the electrode assembly including an inner current collector, an anode active material layer, a cathode active material layer, and an electrolyte layer interposed between the anode active material layer and the cathode active material layer, preparing a heat-shrinkable protection coating by forming a thin-film outer current collector on the inner surface of a heat-shrinkable tube, and inserting the electrode assembly into the heat-shrinkable protection coating and heating to shrink the heat-shrinkable protection coating such that the shrunken protection coating is closely adhered to the outer surface of the electrode assembly. | 06-21-2012 |
20120264015 | Anode Active Material For Lithium Secondary Battery And Lithium Secondary Battery Having The Same - An anode active material for a lithium secondary battery and a lithium secondary battery having the same are disclosed. The anode active material for a lithium secondary battery includes a silicon alloy consisting of silicon and at least two kinds of metals other than silicon, each having the heat of mixing with the silicon of −23 kJ/mol or less. The anode active material for a lithium secondary battery has a high capacity, and thus, is useful in fabricating a high-capacity lithium secondary battery. Also, the anode active material for a lithium secondary battery has a small crystal size of a silicon phase and consequently a small change in volume during charging/discharging, and thus, ensures excellent cycle life characteristics in applications to batteries. | 10-18-2012 |
20120295144 | ANODE FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY INCLUDING THE ANODE - Disclosed is an anode for a lithium secondary battery. The anode includes a current collector in the form of a wire and a porous anode active material layer coated to surround the surface of the current collector. The three-dimensional porous structure of the active material layer increases the surface area of the anode. Accordingly, the mobility of lithium ions through the anode is improved, achieving superior battery performance. In addition, the porous structure allows the anode to relieve internal stress and pressure, such as swelling, occurring during charge and discharge of a battery, ensuring high stability of the battery while preventing deformation of the battery. These advantages make the anode suitable for use in a cable-type secondary battery. Further disclosed is a lithium secondary battery including the anode. | 11-22-2012 |
20130011549 | METHOD FOR PREPARING SEPARATOR FOR BATTERY WITH GEL POLYMER LAYER - Disclosed are a separator for a battery, which comprises a gel polymer layer formed on a substrate, the gel polymer layer including a plurality of three-dimensional open pores interconnected with each other, and an electrochemical device comprising the same separator. Also, disclosed is a method for preparing the gel polymer layer including a plurality of three-dimensional open pores interconnected with each other on a substrate. | 01-10-2013 |
20130085048 | ADDUCTOR AND SPHINCTER REINFORCING COMPLEX EXERCISING DEVICE - Disclosed is an adductor and sphincter reinforcing exercising device which can provide both linear movement for sliding foot plates leftward and rightward on a body and rotation of the foot plates, allowing a user to twist his or her legs in the process of widening and narrowing the legs to exercise the adductor and sphincter at the same time. | 04-04-2013 |
20130089791 | ANODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, comprising a core comprising a crystalline carbon-based material and a composite coating layer comprising one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a metal and/or a non-metal capable of intercalating and deintercalating ions, wherein the composite coating layer comprises a matrix comprising one component selected from one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon and a metal and/or a non-metal capable of intercalating and deintercalating ions, and a filler comprising the other component, incorporated in the matrix, and a secondary battery comprising the anode active material. | 04-11-2013 |
20130234073 | ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY - Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the Si-metal alloy of the crystalline phase is the same as or different from the metal of the Si-metal alloy of the amorphous phase. | 09-12-2013 |
20130260237 | ANODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, wherein the composite coating layer includes a matrix comprising one component selected from one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material. | 10-03-2013 |
20130266867 | ANODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and a hydrophilic material containing oxide capable of intercalating and deintercalating ions, wherein the composite coating layer includes a matrix comprising one component selected from (a) the one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon and (b) the hydrophilic material containing oxide capable of intercalating and deintercalating ions, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material. | 10-10-2013 |
20130266870 | ANODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an anode active material for secondary batteries, capable of intercalating and deintercalating ions, the anode active material including a core including a crystalline carbon-based material, and a composite coating layer including one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon, and silicon oxide capable of intercalating and deintercalating ions, wherein the composite coating layer includes a matrix comprising one component selected from (a) the one or more materials selected from the group consisting of low crystalline carbon and amorphous carbon and (b) the silicon oxide capable of intercalating and deintercalating ions, and a filler including the other component, incorporated in the matrix, and a secondary battery including the anode active material. | 10-10-2013 |
20130280612 | Porous Electrode Active Material And Secondary Battery Including The Same - Provided are an electrode active material having a plurality of pores and a secondary battery including the same, and more particularly, a porous electrode active material including silicon-based oxide expressed by SiO | 10-24-2013 |
20130280614 | Silicon-Based Anode Active Material And Secondary Battery Comprising The Same - Disclosed herein is a silicon-based anode active material, comprising a silicon phase, a SiO | 10-24-2013 |
20130295425 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode comprising a wire-type inner current collector having a first metal tap formed to be extended in a predetermined length at one end thereof, and an inner electrode active material layer formed on the surface of the inner current collector; a separator layer formed on the outer surface of the inner electrode active material layer; and an outer electrode formed on the outer surface of the separator layer, and comprising an outer electrode active material layer and an outer current collector having a second metal tap formed to be extended in a predetermined length at one end thereof. | 11-07-2013 |
20130295466 | ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, METHOD FOR PREPARING THE SAME AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - A solid electrolyte for an electrochemical device includes a composite of a plastic crystal matrix electrolyte doped with an ionic salt and a crosslinked polymer structure having a linear polymer as a side chain chemically bonded thereto. The linear polymer has a weight average molecular weight of 100 to 5,000 and one functional group. The electrolyte has high ionic conductivity comparable to that of a liquid electrolyte due to the use of the plastic crystal, and high mechanical strength comparable to that of a solid electrolyte due to the introduction of the crosslinked polymer structure. A method for preparing the solid electrolyte does not essentially require the use of a solvent, eliminating the need for drying. The electrolyte is suitable for use in a cable-type battery whose shape is easy to change due to its high ionic conductivity and high mechanical strength comparable to that of a solid electrolyte. | 11-07-2013 |
20130337325 | ANODE INCLUDING SILICON-BASED MATERIAL AND CARBON MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is an anode including an anode active material including SiO | 12-19-2013 |
20130344368 | CABLE-TYPE SECONDARY BATTERY - A cable-type secondary battery is provided. The cable-type secondary battery includes an electrode assembly and a covering capable of surrounding the electrode assembly. The electrode assembly includes a first polarity electrode, a second polarity electrode, and a separator or an electrolyte layer interposed between the two electrodes. Each of the electrodes has an elongated shape and a structure in which an electrode active material is applied to the surface of a current collector whose shape in cross section orthogonal to the lengthwise direction thereof is circular, elliptical or polygonal. The covering includes a thermally conductive cover member as an upper half part and a thermally insulating cover member as a lower half part. The upper half part and the lower half part are divided by a horizontal plane passing the center of the cross section orthogonal to the lengthwise direction of the cable-type secondary battery. | 12-26-2013 |
20140004406 | UNIFICATION-TYPED ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING THE SAME | 01-02-2014 |
20140017567 | ANODE ACTIVE MATERIAL HAVING HIGH DENSITY AND PREPARATION METHOD THEREOF - Provided is an anode active material including lithium metal oxide particles having an internal porosity ranging from 3% to 8% and an average particle diameter (D | 01-16-2014 |
20140027679 | BIMODAL TYPE ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is an anode active material including a compound of Chemical Formula 1 below that may realize a high-density electrode and may simultaneously improve adhesion to the electrode and high rate capability, wherein the compound of Chemical Formula 1 includes first primary particles and secondary particles, and a ratio of the first primary particles to the secondary particles is in a range of 5:95 to 50:50: | 01-30-2014 |
20140030569 | CABLE-TYPE SECONDARY BATTERY - The present invention provides a cable-type secondary battery comprising an inner electrode which includes at least one first polarity electrode having a first polarity current collector with a long and thin shape, whose cross-section perpendicular to its longitudinal direction is a circular, oval or polygonal form; a first polarity electrode active material layer formed on an outer surface of the first polarity current collector; and an electrolyte layer filled to surround the first polarity electrode active material layer, and at least one wire-type second polarity electrode which wholly surrounds the inner electrode and is winding around the exterior thereof. | 01-30-2014 |
20140030597 | Porous Silicon-Based Electrode Active Material And Secondary Battery Comprising The Same - Disclosed herein is a porous silicon-based electrode active material, comprising a silicon phase, a SiO | 01-30-2014 |
20140030599 | Electrode Active Material For Secondary Battery - Disclosed herein is an electrode active material for a secondary battery, and more particularly to an electrode active material comprising a porous silicon oxide-based composite and the method for preparing a porous silicon oxide-based composite. | 01-30-2014 |
20140038014 | CABLE-TYPE SECONDARY BATTERY - A cable-type secondary battery, includes an electrode assembly including first and second polarity electrodes with a thin and long shape, each electrode having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, and an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the first and second polarity electrodes; and a cover member surrounding the electrode assembly. Also, the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the end of the cable-type secondary battery; and a housing cap configured to fix the first and second polarity terminals and cover the end of the cable-type secondary battery. | 02-06-2014 |
20140038015 | CABLE-TYPE SECONDARY BATTERY - A cable-type secondary battery, includes an electrode assembly including first and second polarity electrodes with a thin and long shape, each having a current collector whose cross-section perpendicular to its longitudinal direction is a circular, asymmetrical oval or polygonal shape, an electrode active material applied onto the surface of the current collector, and a separator or an electrolyte layer interposed between the electrodes; and a cover member surrounding the electrode assembly, wherein the cable-type secondary battery is provided with a first polarity terminal and a second polarity terminal connected to the first polarity electrode and the second polarity electrode, respectively, at the first end of the cable-type secondary battery; a housing cap configured to fix the first and second polarity terminals and cover the first end of the cable-type secondary battery; and a length-adjustable coupling unit at a second end of the cable-type secondary battery. | 02-06-2014 |
20140050980 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a negative electrode active material comprising (a) a core including a carbon-based material, and (b) an organic polymer coating layer formed of a polymer compound having a content of a fluorine component of 50 wt % or more on a surface of the core. | 02-20-2014 |
20140050981 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a negative electrode active material comprising (a) a core including one or more non-carbon-based materials selected from the group consisting of silicon, nickel, germanium, and titanium, and (b) an organic polymer coating layer formed of a polymer compound having a content of a fluorine component of 50 wt % or more on a surface of the core. | 02-20-2014 |
20140072852 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode for a secondary battery, comprising at least two anode wires which are parallel to each other and spirally twisted, each of the anode wires having an anode active material layer coated on the surface of a wire-type current collector; and a secondary battery comprising the anode. The anode of the present invention has an increased surface area to react with Li ions during a charging and discharging process, thereby improving the rate characteristics of a battery, and also release stress or pressure applied in the battery, e.g., the volume expansion of active material layers to prevent the deformation of the battery and ensure the stability thereof, thereby improving the life characteristic of the battery. | 03-13-2014 |
20140093784 | ELECTRODE ASSEMBLY HAVING NOVEL STRUCTURE AND SECONDARY BATTERY USING THE SAME - Disclosed is an integrated electrode assembly having a structure in which a cathode, an anode, and a separation layer disposed between the cathode and the anode are integrated with one another, wherein the separation layer has a multilayer structure including at least one two-phase electrolyte including a liquid phase component and a polymer matrix and at least one three-phase electrolyte including a liquid phase component, a solid component, and a polymer matrix, wherein the polymer matrices of the separation layer are coupled to the cathode or the anode and the liquid phase components of the separation layer are partially introduced into an electrode in a process of manufacturing the electrode assembly. | 04-03-2014 |
20140106221 | SILICON OXIDE FOR ANODE ACTIVE MATERIAL OF SECONDARY BATTERY - Provided is silicon oxide for an anode active material of a secondary battery. More particularly, the present invention provides silicon oxide included in an anode active material of a secondary battery, wherein a ratio of a maximum height (h | 04-17-2014 |
20140106236 | NOVEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a polymer electrolyte having a multilayer structure including a first polymer layer providing mechanical strength against external force and a second polymer layer to secure a conduction path for lithium ions, wherein the first polymer layer includes an organic electrolyte containing an ionic salt in an amount of 0 wt % to 60 wt % based on a weight of a polymer matrix of the first polymer layer and the second polymer layer includes an organic electrolyte containing an ionic salt in an amount of 60 wt % to 400 wt % based on a weight of a polymer matrix of the second polymer layer, and a lithium secondary battery including the same. | 04-17-2014 |
20140110634 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the carbon layer with a pore wall of specific thickness placed therebetween. | 04-24-2014 |
20140141334 | POROUS COMPOSITE AND MANUFACTURING METHOD THEREOF - Provided are a porous composite expressed by Chemical Formula 1 and having a porosity of 5% to 90%, and a method of preparing the same: | 05-22-2014 |
20140154564 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided are an anode active material including carbon-based particles, silicon nanowires grown on the carbon-based particles, and a carbon coating layer on surfaces of the carbon-based particles and the silicon nanowires, and a method of preparing the anode active material. | 06-05-2014 |
20140154571 | COMPOSITE AND METHOD OF PREPARING ANODE SLURRY INCLUDING THE SAME - Provided are a composite and a method of preparing an anode slurry including the same. More particularly, the present invention provides a composite including a (semi) metal oxide, a conductive material on a surface of the (semi) metal oxide, and a binder, and a method of preparing an anode slurry including preparing a composite by dispersing a conductive material in an aqueous binder and then mixing with a (semi) metal oxide, and mixing the composite with a carbon material and a non-aqueous binder. | 06-05-2014 |
20140154576 | COMPOSITE FOR ANODE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME - Provided are a composite for an anode active material and a method of preparing the same. More particularly, the present invention provides a composite for an anode active material including a (semi) metal oxide and an amorphous carbon layer on a surface of the (semi) metal oxide, wherein the amorphous carbon layer comprises a conductive agent, and a method of preparing the composite. | 06-05-2014 |
20140154578 | ANODE ACTIVE MATERIAL INCLUDING POROUS SILICON OXIDE-CARBON MATERIAL COMPOSITE AND METHOD OF PREPARING THE SAME - Provided are an anode active material including a porous silicon oxide-carbon material composite which includes a porous silicon oxide including pores and a line-type carbon material coated on a surface, in the pores, or on the surface and in the pores of the porous silicon oxide, and a method of preparing the anode active material. | 06-05-2014 |
20140170453 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode for a secondary battery, comprising: a spiral anode having at least two anode wires which are parallel to each other and spirally twisted, each of the anode wires having an anode active material layer coated on the surface of a wire-type current collector; and a conductive layer formed to surround the spiral anode. | 06-19-2014 |
20140170454 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode for a secondary battery, comprising: a wire-type current collector; a metal-based anode active material layer formed on the surface of the wire-type current collector, and comprising a metallic active material; and a graphite-based anode composite layer formed on the surface of the metal-based anode active material layer, and comprising a mixture of a graphite-based active material, a conductive material and a first polymer binder. | 06-19-2014 |
20140170455 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and an electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 06-19-2014 |
20140170456 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and having an outer electrode active material layer and an outer current collector comprising at least one of a conductive paste and a carbon fiber. | 06-19-2014 |
20140170485 | METHOD FOR PREPARING ANODE ACTIVE MATERIAL, ANODE ACTIVE MATERIAL PREPARED THEREFROM AND LITHIUM SECONDARY BATTERY HAVING THE SAME - The present invention relates to a method for preparing an anode active material, comprising (S1) forming a shell being a coating layer comprising a carbon material on the surface of a core comprising silicon oxide particles, to obtain a silicon oxide-carbon composite having a core-shell structure; (S2) mixing the silicon oxide-carbon composite with an oxygen-containing lithium salt, followed by heat treatment to produce a silicon oxide-lithium alloy, thereby obtaining a (SiO | 06-19-2014 |
20140178726 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions; an inner electrode, comprising a spiral electrode formed by spirally twisting two or more wire-type inner current collectors coated with an inner electrode active material on the surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and comprising an outer electrode active material layer and an outer current collector. | 06-26-2014 |
20140178727 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery comprising a polymer electrolyte having a first electrolyte layer comprising a mixture of a first polymer and a first organic electrolyte solution in a weight ratio of 50:50 and 80:20; and a second electrolyte layer formed on at least one surface of the first electrolyte layer and comprising a mixture of a second polymer and a second organic electrolyte solution in a weight ratio of 20:80 and 50:50. Since the multiple-layered polymer electrode film of the present invention exhibits good characteristics in terms of both mechanical property and ionic conductivity, the cable-type secondary battery comprising the same according to the present invention has superior battery performances and flexibility, as well as good strength for withstanding external impact. | 06-26-2014 |
20140178745 | PACKAGING FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to a packaging for a cable-type secondary battery extending longitudinally, comprising: a hollow metal foil layer; a first polymer resin layer formed on one surface of the metal foil layer; and a second polymer resin layer formed on the other surface of the metal foil layer, and a cable-type secondary battery comprising the packaging. | 06-26-2014 |
20140178754 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - Provided are an anode active material including silicon oxide particles (SiOx, where x satisfies 006-26-2014 | |
20140186672 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core, and an inner electrode active material layer formed on the surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 07-03-2014 |
20140193681 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and having an outer electrode active material layer and an open-structured outer current collector. | 07-10-2014 |
20140199568 | CABLE-TYPE SECONDARY BATTERY - The present invention provides a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an electrode assembly comprising an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode active material layer surrounding the outer surface of the separation layer and an outer current collector surrounding the outer surface of the outer electrode active material layer, a signal transmitter arranged parallel to the electrode assembly and comprising a core for transmitting a signal, made of a wire; and a shield surrounding the core to prevent electromagnetic interference, and a protection coating simultaneously surrounding the electrode assembly and the signal transmitter. | 07-17-2014 |
20140205907 | SILICON-BASED COMPOSITE AND PRODUCTION METHOD THEREOF - The present invention relates to a silicon-based composite including a silicon oxide which is coated thereon with carbon and bonded therein to lithium. The present invention also relates to a method of producing a silicon-based composite, comprising coating a surface of silicon oxide with carbon, mixing the silicon oxide coated with carbon with lithium oxide, and heat-treating a mixture of the silicon oxide coated with carbon and the lithium oxide in an inert atmosphere. | 07-24-2014 |
20140212719 | CABLE-TYPE SECONDARY BATTERY - Described herein is a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode surrounding the outer surface of the core for supplying lithium ions, and comprising an inner current collector in the form of a pipe having a three-dimensional network structure, the inner current collector being coated with an inner electrode active material on the outer surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 07-31-2014 |
20140212720 | CABLE-TYPE SECONDARY BATTERY - Disclosed herein is a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and a first electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; a second electrolyte-absorbing layer formed on the surface of the separator; and an outer electrode surrounding the outer surface of the second electrolyte-absorbing layer and comprising an outer electrode active material layer and an outer current collector. | 07-31-2014 |
20140220400 | CABLE-TYPE SECONDARY BATTERY CAPABLE OF WIRELESS CHARGE - The present invention provides a cable-type secondary battery capable of wireless charge. The cable-type secondary battery according to the present invention can be applied in a wireless charging method, thereby being conveniently charged as compared with conventional batteries which are charged with wires, and has an outer current collector configured in a wound form, which can overcome the problem of local charge caused by the shape of conventional cable-type batteries. Also, the outer current collector configured in a wound form acts as a current of electrodes, and also can act as a charger which generates a current by external magnetic field, thereby simplifying battery configuration. | 08-07-2014 |
20140234672 | CABLE-TYPE SECONDARY BATTERY CAPABLE OF WIRELESS CHARGE - The present invention provides a cable-type secondary battery capable of wireless charge. The cable-type secondary battery according to the present invention can be applied in a wireless charging method, thereby being conveniently charged as compared with conventional batteries which are charged with wires, and has a charging coil configured in a wound form, which can overcome the problem of local charge caused by the shape of conventional cable-type batteries. Also, the charging coil is formed in a packaging to act as a reinforcement material, thereby enhancing the mechanical property of the cable-type secondary battery. | 08-21-2014 |
20140234681 | ANODE FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to an anode for a cable-type secondary battery, more specifically an anode for a cable-type secondary battery, comprising a spiral electrode consisting of at least two wire-type electrodes which are spirally twisted with each other, each of the wire-type electrodes comprising a wire-type current collector, an anode active material layer formed by coating on the outer surface of the wire-type current collector, and a polymer resin layer formed by coating on the outer surface of the anode active material layer; and a cable-type secondary battery comprising the anode. The anode for a cable-type secondary battery according to the present invention comprises a polymer resin layer formed by coating on the outer surface of an anode active material layer, thereby preventing the release of the anode active material layer from a wire-type current collector and eventually preventing the deterioration of battery performances. | 08-21-2014 |
20140242441 | INTEGRATED ELECTRODE ASSEMBLY AND SECONDARY BATTERY USING SAME - Disclosed herein is an integrated electrode assembly including a cathode, an anode, and a separation layer disposed between the cathode and the anode. The cathode, the anode, and the separation layer are integrated with each other. The separation layer includes 3 phases including a liquid-phase component containing an ionic salt, a solid-phase component supporting the separation layer between the cathode and the anode, and a polymer matrix in which linear polymers and cross-linked polymers form a viscoelastic structure with the liquid-phase component and the solid-phase component being incorporated in the polymer matrix. The polymer matrix is coupled to each of the cathode and the anode. The liquid-phase component of the separation layer flows into the electrodes (i.e., the cathode and anode) during preparation of the integrated electrode assembly to greatly improve wetting properties of the electrodes and to increase ionic conductivity of the electrodes. | 08-28-2014 |
20140242460 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES AND METHOD FOR MANUFACTURING SAME - Disclosed are an anode active material for lithium secondary batteries and a method for manufacturing same, the anode active material comprising: a core part including a carbon-silicon complex and having a cavity therein; and a coated layer which is formed on the surface of the core part and includes a phosphor-based alloy. | 08-28-2014 |
20140248538 | SILICON OXIDE AND METHOD OF PREPARING THE SAME - The present invention relates to a method of preparing silicon oxide, in which the amounts of silicon and oxygen are appropriately controlled by decreasing the amount of the oxygen from silicon oxide containing a relatively large amount of oxygen, silicon oxide prepared by the method, and a secondary battery including the same. According to the method of preparing silicon oxide, silicon oxide (first silicon oxide) including a relatively large amount of oxygen is heat treated in a reducing atmosphere to decrease the amount of the oxygen in the silicon oxide (first silicon oxide) and to prepare silicon oxide (second silicon oxide) including silicon and oxygen in an appropriate amount (Si:SiO | 09-04-2014 |
20140255741 | ELECTRODE FOR SECONDARY BATTERY, SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrode for a secondary battery, more specifically an electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on at least one surface or the whole outer surface of the current collector; a conductive material-coating layer formed on the top surface of the electrode active material layer and comprising a conductive material and a first polymer binder; and a porous coating layer formed on the top surface of the conductive material-coating layer and comprising a second polymer binder. Also, the present invention provides a secondary battery and a cable-type secondary battery comprising the electrode | 09-11-2014 |
20140255742 | ELECTRODE FOR SECONDARY BATTERY, SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrode for a secondary battery, more specifically an electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on at least one surface or the whole outer surface of the current collector; a graphite-based coating layer formed on the top surface of the electrode active material layer and comprising graphite, a conductive material and a first polymer binder; and a porous coating layer formed on the top surface of the graphite-based coating layer and comprising a second polymer binder. Also, the present invention provides a secondary battery and a cable-type secondary battery comprising the electrode. | 09-11-2014 |
20140272506 | CABLE-TYPE SECONDARY BATTERY - Disclosed is a cable-type secondary battery comprising at least one inner electrode layer including an inner electrode active material formed on a surface of an inner current collector having a horizontal cross section of a predetermined shape and extending in a lengthwise direction, a separation layer formed to surround the inner electrode layer, and an outer electrode layer formed to surround the separation layer and including an outer electrode active material formed on a surface of an outer current collector, and the cable-type secondary battery further comprises a first connection terminal that is electrically connected to the outer current collector and formed at one end of the cable-type secondary battery, and a second connection terminal that is electrically connected to the inner current collector and formed at the other end of the cable-type secondary battery. | 09-18-2014 |
20140284215 | ANODE FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY INCLUDING THE ANODE - Disclosed is an anode for a lithium secondary battery. The anode includes a current collector in the form of a wire and a porous anode active material layer coated to surround the surface of the current collector. The three-dimensional porous structure of the active material layer increases the surface area of the anode. Accordingly, the mobility of lithium ions through the anode is improved, achieving superior battery performance. In addition, the porous structure allows the anode to relieve internal stress and pressure, such as swelling, occurring during charge and discharge of a battery, ensuring high stability of the battery while preventing deformation of the battery. These advantages make the anode suitable for use in a cable-type secondary battery. Further disclosed is a lithium secondary battery including the anode. | 09-25-2014 |
20140320076 | WIRELESS CHARGING APPARATUS FOR CABLE-TYPE SECONDARY BATTERY - Disclosed is a wireless charging apparatus for a cable-type secondary battery. The wireless charging apparatus for the cable-type secondary battery according to the present disclosure includes a socket having a space formed inside for mounting the cable-type secondary battery, a first terminal that is electrically connected to an outer current collector of the cable-type secondary battery mounted in the socket, a second terminal that is electrically connected to an inner current collector of the cable-type secondary battery mounted in the socket, and a secondary coil for wireless charging having one end connected with the first terminal and the other end connected with the second terminal, and wound along an outer circumferential surface of the socket. According to the present disclosure, even if a secondary coil for wireless power reception is absent from a cable-type secondary battery, charging may be performed by a method for wireless power transmission and reception. | 10-30-2014 |
20140322601 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHUM SECONDARY BATTERY COMPRISING THE SAME - The anode active material of the present invention comprises silicon-based particles obtained from at least one of silicon, a silicon oxide and a silicon alloy, and the silicon-based particles have a faceted shape, thereby providing high capacity and good life characteristics without causing any deterioration which has been generated in the use of conventional silicon-based particles, and eventually providing a lithium secondary battery having such characteristics. | 10-30-2014 |
20140322606 | ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY COMPRISING THE SAME, AND METHOD OF MANUFACTURING ANODE ACTIVE MATERIAL - The present disclosure relates to an anode active material comprising a composite of a core-shell structure, a lithium secondary battery comprising the same, and a method of manufacturing the anode active material. According to an aspect of the present disclosure, there is provided an anode active material of a core-shell structure comprising a core including alloyed (quasi)metal oxide-Li (MO | 10-30-2014 |
20140322611 | ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY FOR LITHIUM SECONDARY BATTERY, PREPARATION THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The anode active material of the present invention comprises an amorphous SiO | 10-30-2014 |
20140335391 | PACKAGING FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure relates to a packaging for a cable-type secondary battery, surrounding an electrode assembly in the cable-type secondary battery, the packaging having a moisture-blocking layer comprising sealant polymer layers on both outer surfaces of a moisture-blocking film and a moisture-blocking film disposed between the sealant polymer layers, wherein the moisture-blocking layer is a tube form surrounding the electrode assembly, and the sealant polymer layers in both ends of the moisture-blocking layer are overlapped and adhered with each other in a predetermined part. The packaging according to the present disclosure can be used in a cable-type secondary battery to block moisture from being infiltrated into an electrode assembly, thereby improving the life characteristics of the battery and preventing the deterioration of battery performances. | 11-13-2014 |
20140336975 | METHODS OF MEASURING ELECTRODE DENSITY AND ELECTRODE POROSITY - Provided are methods of measuring electrode density and electrode porosity using X-ray diffraction. | 11-13-2014 |
20140356722 | CONDUCTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a conductive material for a secondary battery, including a pitch coated graphene sheet, an anode for a secondary battery including the same, and a lithium secondary battery including the electrode. | 12-04-2014 |
20140363741 | ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PREPARATION THEREOF - The present invention relates to an electrode active material for a lithium secondary battery and the preparation thereof. The electrode active material for a lithium secondary battery according to the present invention comprises a core including (a) first particulates consisting of an oxide of a metal (metalloid) capable of alloying with lithium, and (b) second particulates consisting of an oxide containing the same metal (metalloid) together with lithium; and a conductive carbon layer coated on the surface of the core. The electrode active material of the present invention has high capacity and improved electric conductivity, thereby providing good charge and discharge rate capability. | 12-11-2014 |
20140370349 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; and a first porous supporting layer formed on the electrode active material layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surface thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-18-2014 |
20140370350 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; and a first porous supporting layer formed on the electrode active material layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surface thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-18-2014 |
20140370351 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a conductive layer formed on the electrode active material layer and comprising a conductive material and a binder; and a first porous supporting layer formed on the conductive layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-18-2014 |
20140377452 | METHOD FOR MANUFACTURING CABLE-TYPE SECONDARY BATTERY - The present invention relates to a method for manufacturing a cable-type secondary battery comprising an electrode that extends longitudinally in a parallel arrangement and that includes a current collector having a horizontal cross section of a predetermined shape and an active material layer formed on the current collector, and the electrode is formed by putting an electrode slurry including an active material, a polymer binder, and a solvent into an extruder, by extrusion-coating the electrode slurry on the current collector while continuously providing the current collector to the extruder, and by drying the current collector coated with the electrode slurry to form an active material layer. | 12-25-2014 |
20140377606 | CABLE-TYPE SECONDARY BATTERY AND PREPARATION THEREOF - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode. | 12-25-2014 |
20140377609 | CABLE-TYPE SECONDARY BATTERY AND PREPARATION THEREOF - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode. | 12-25-2014 |
20140377610 | CABLE-TYPE SECONDARY BATTERY AND PREPARATION THEREOF - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode. | 12-25-2014 |
20140377611 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a porous organic-inorganic layer formed on the electrode active material layer and comprising inorganic particles and a polymer binder; and a first porous supporting layer formed on the porous organic-inorganic layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-25-2014 |
20140377612 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a porous organic-inorganic layer formed on the electrode active material layer and comprising inorganic particles and a polymer binder; and a first porous supporting layer formed on the porous organic-inorganic layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-25-2014 |
20140377613 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery. | 12-25-2014 |
20140377614 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery. | 12-25-2014 |
20140377615 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery. | 12-25-2014 |
20140377616 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery. | 12-25-2014 |
20140377617 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and a sheet-form outer electrode spirally wound to surround the separation layer or the inner electrode. | 12-25-2014 |
20140377618 | CABLE-TYPE SECONDARY BATTERY - The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and a sheet-form outer electrode spirally wound to surround the separation layer or the inner electrode. | 12-25-2014 |
20140377619 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a porous polymer layer formed on the electrode active material layer; and a first porous supporting layer formed on the porous polymer layer. | 12-25-2014 |
20140377620 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a porous polymer layer formed on the electrode active material layer; and a first porous supporting layer formed on the porous polymer layer. | 12-25-2014 |
20140377643 | POROUS SILICON-BASED ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - Provided are a porous silicon-based anode active material including crystalline silicon (Si) particles, and a plurality of pores on surfaces, or the surfaces and inside of the crystalline silicon particles, wherein at least one plane of crystal planes of at least a portion of the plurality of pores includes a (100) plane, and a method of preparing the porous silicon-based anode active material. Since a porous silicon-based anode active material of the present invention may allow volume expansion, which is occurred during charge and discharge of a lithium secondary battery, to be concentrated on pores instead of the outside of the anode active material, the porous silicon-based anode active material may improve life characteristics of the lithium secondary battery by efficiently controlling the volume expansion. | 12-25-2014 |
20140377651 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a porous organic-inorganic layer formed on the electrode active material layer and comprising inorganic particles and a polymer binder; and a first porous supporting layer formed on the porous organic-inorganic layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 12-25-2014 |
20150017500 | ELECTRODE FOR SECONDARY BATTERY, PREPARATION THEREOF, AND SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present disclosure provides a sheet-form electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on one surface of the current collector; a conductive layer formed on the electrode active material layer and comprising a conductive material and a binder; and a first porous supporting layer formed on the conductive layer. The sheet-form electrode for a secondary battery according to the present disclosure has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery. | 01-15-2015 |
20150030895 | BATTERY CASE AND LITHIUM SECONDARY BATTERY INCLUDING TWO SEPARATED ACCOMMODATION PARTS - Disclosed is a battery case including a case part including a first accommodation part having an irreversible opening to irreversibly release a closed state and a second accommodation part separated from the first accommodation part, and a cover part installed at the case part. | 01-29-2015 |
20150037663 | BATTERY CELL HAVING DOUBLE SEALING STRUCTURE - Disclosed is a battery cell having a double sealing structure. In particular, the battery cell includes a first sealing portion formed at an outer circumferential surface of a battery case by thermal bonding and a second sealing portion further formed between an electrode assembly and the first sealing portion at at least one side surface of the first sealing portion. | 02-05-2015 |
20150064530 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions; an inner electrode, comprising a spiral electrode formed by spirally twisting two or more wire-type inner current collectors coated with an inner electrode active material on the surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and comprising an outer electrode active material layer and an outer current collector. The core for supplying lithium ions is disposed in the inner electrode, from which the electrolyte of the core for supplying lithium ions can be easily penetrated into an electrode active material, thereby facilitating the supply and exchange of lithium ions. | 03-05-2015 |
20150072237 | TRANSITION METAL-METAPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-metaphosphate of Chemical Formula 1: | 03-12-2015 |
20150072238 | TRANSITION METAL- PYROPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-pyrophosphate of Chemical Formula 1 below: | 03-12-2015 |
20150086822 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and having an outer electrode active material layer, an open-structured outer current collector and a conductive paste layer. | 03-26-2015 |