Class / Patent application number | Description | Number of patent applications / Date published |
429232000 | Having inorganic binder or conductive filler | 62 |
20080248394 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a porous insulating film adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode, the porous insulating film including an inorganic oxide filler and a film binder, wherein the ratio R of actual volume to apparent volume of the separator is not less than 0.4 and not greater than 0.7, and wherein the ratio R and a porosity P of the porous insulating film satisfy the relational formula: −0.10≦R−P≦0.30. | 10-09-2008 |
20080254369 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a porous insulating film adhered to a surface of at least one selected from the group consisting of the positive electrode and the negative electrode, the porous insulating film including an inorganic oxide filler and a film binder, wherein the ratio R of actual volume to apparent volume of the separator is not less than 0.4 and not greater than 0.7, and wherein the ratio R and a porosity P of the porous insulating film satisfy the relational formula: −0.10≦R−P≦0.30. | 10-16-2008 |
20080311479 | Electrode With Enhanced Safety and Electrochemical Device Having the Same - Disclosed is an electrode having a current collector coated with an electrode active material, wherein non-coated regions of the electrode and boundary regions of intermittently pattern-coated electrodes are coated with a porous active layer including a mixture of inorganic particles and a binder polymer. The electrode of the present invention may be useful to improve safety of a battery and also minimize reduction in the capacity of a battery by introducing the porous active layer onto non-coated regions of the electrode and/or boundary regions of the intermittently pattern-coated electrodes to prevent internal short circuit caused by the contact between both electrodes, wherein the boundary regions are coated with the electrode active material but vulnerable to the electrical short circuit. | 12-18-2008 |
20090053609 | NON-AQUEOUS ELECTROLYTE BATTERY - In a non-aqueous electrolyte battery including: a positive electrode; a negative electrode; a separator located between the positive and negative electrodes; a non-aqueous electrolyte; and an inorganic particle layer being located on the surface of at least one of the positive and negative electrodes, the inorganic particle layer contains inorganic particles and a binder, the inorganic particles include spherical or substantially spherical inorganic particles and non-spherical inorganic particles. | 02-26-2009 |
20090130564 | Method of fabrication electrodes with low contact resistance for batteries and double layer capacitors - The present invention is a low-cost method for fabricating electrodes for batteries, electric double-layer capacitors (EDLC or supercapacitors) and hybrid electrical energy storage devices. for which by low contact resistance between the metal current collector and carbon-containing electrode enhances performance. The electrodes comprise at least two layers. The first layer is a highly conductive carbon material, such as graphite, fused into the metal current collector. The second layer is a polarizing carbon-containing electrode typically comprising a nanoporous carbon powder pressed or rolled with a binder, or a composite that includes active materials (for example oxides, sulfides), binder and conductive additives such as carbon, black. The method provides electrodes with low interface resistance, which lowers the overall internal electrical resistance of the battery or EDLC devices in which they are used and allows it to deliver increased power. | 05-21-2009 |
20090197179 | NON-AQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery includes a positive electrode, a negative electrode having a negative electrode active material layer provided on a negative electrode collector and a non-aqueous electrolyte, wherein the negative electrode active material layer contains a polyvinylidene fluoride-containing binder and a nano ceramic particle having a primary particle size of not more than 100 nm; and the binder and the nano ceramic particle are complexed. | 08-06-2009 |
20090305141 | Electrode Having Porous Active Coating Layer, Manufacturing Method Thereof And Electrochemical Device Containing The Same - Disclosed are an electrode having a porous active coating layer, a manufacturing method thereof and an electrochemical device containing the same. The electrode having a porous active coating layer according to the present invention may be useful to enhance peeling and scratch resistances of the porous active layer and improve a lamination characteristic toward the porous active layer by introducing a porous active layer onto a porous substrate having pores, the porous active layer having heterogeneity of morphology toward a thickness direction in which a content ratio of the binder polymer/inorganic particles present in a surface layer is higher than that of the binder polymer/inorganic particles present inside the surface layer. Accordingly, the stability and performances of the battery can be improved at the same time since the detachment of the inorganic particles from the porous active layer may be reduced during the assembly process of the electrochemical device. | 12-10-2009 |
20090325075 | Composite particles for electrochemical element electrode - The present invention provides a method of producing composite particle for high density electrochemical element electrodes in electrochemical elements having low internal resistance and high capacitance. | 12-31-2009 |
20100047694 | SECONDARY BATTERY OF IMPROVED HIGH-RATE DISCHARGING PROPERTIES - Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer (“additive”) to a cathode mix and/or an electrolyte. | 02-25-2010 |
20100055572 | Electrochemical Energy Storage Device with High Capacity and High Power Using Conductive Polymer Composite - Disclosed are composite particles comprising: (a) conductive polymer particles; and (b) conductive inorganic nanoparticles having a higher conductivity as compared to the conductive polymer, wherein the conductive inorganic nanoparticles are distributed onto the surface of the conductive polymer particles and/or inside the conductive polymer particles. An electrode comprising the composite particles and an electrochemical device including the electrode are also disclosed. When the composite particles comprising a conductive polymer and conductive inorganic nanoparticles uniformly distributed in the conductive polymer are used for forming an electrode, the amount of electrode active material contributing to the capacity of an electrochemical device increases. Thus, the electrochemical device can provide high capacity and improved lifespan characteristics. | 03-04-2010 |
20100068627 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR FABRICATING THE SAME ( as amended - A nonaqueous electrolyte secondary battery includes: a positive electrode | 03-18-2010 |
20100119949 | ELECTRODE FOR SECONDARY BATTERY AND PRODUCTION PROCESS FOR THE SAME AND SECONDARY BATTERY - To provide an electrode for secondary battery, electrode which can materialize secondary batteries that are adapted into producing high output and additionally whose durability is high. | 05-13-2010 |
20100129719 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode mixture is provided and includes: a negative electrode active material containing a carbon based material; a binder containing at least a polyacrylonitrile based resin; and a polymer capable of suppressing an intermolecular interaction between cyano groups and imparting a steric hindrance. | 05-27-2010 |
20100203392 | ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, NONAQUEOUS SECONDARY BATTERY USING THE SAME, AND METHOD FOR PRODUCING ELECTRODE - The non aqueous secondary battery electrode of the present invention includes a mixture layer and a porous layer formed on the surface of the mixture layer. The mixture layer includes an electrode material expressed by the composition formula SiO | 08-12-2010 |
20100261063 | ELECTRODE MATERIAL, METHOD FOR PRODUCING THE SAME, ELECTRODE AND BATTERY - An electrode material containing an electrode active material, and a carbonaceous coating film which covers the electrode active material and contains sulfur; and an electrode material including a secondary particle including a plurality of primary particles as the electrode active material, wherein the primary particles are covered with a carbonaceous coating film so that the carbonaceous coating film is interposed between the primary particles and the carbonaceous coating film contains sulfur. | 10-14-2010 |
20100323246 | Cathode of lithium battery and method for fabricating the same - A cathode of a lithium battery includes a composite film. The composite film includes a carbon nanotube film structure and a plurality of active material particles dispersed therein. A method for fabricating the cathode of the lithium battery includes the steps of (a) providing an array of carbon nanotubes; (b) pulling out, by using a tool, at least two carbon nanotube films from the array of carbon nanotubes to form a carbon nanotube film structure; and (c) providing a plurality of active material particles, dispersing the active material particles in the carbon nanotube structure to form a composite film, and thereby, achieving the cathode of the lithium battery. | 12-23-2010 |
20110070501 | ADDITIVE FOR ELECTROCHEMICAL ELEMENT TO IMPROVE SAFETY - Disclosed herein is an additive for improvement in safety of an electrochemical device, including an inner core and an outer coating layer, wherein the inner core is formed using a volume-expandable material fused at more than a predetermined temperature while the outer coating layer is formed using a conductive material with higher conductivity than that of the inner core and covers an outer face of the inner core. | 03-24-2011 |
20110159372 | Conductive graphene polymer binder for electrochemical cell electrodes - The present invention provides an electrically conductive electrode comprising particles of an electroactive material and a conductive graphene polymer binder that bonds multiple particles of the electroactive material together, wherein the binder is in an amount of from 0.01% to 90% by weight based on the total electrode weight. Also provided are (a) a precursor solution or suspension to the graphene polymer binder for the electrode; (b) a paste containing electroactive particles and a graphene polymer dispersed in a liquid; (c) a method of producing the electrode from the precursor paste; and (d) an electrochemical cell (a battery or supercapacitor) containing such an electrode. | 06-30-2011 |
20110189546 | LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - In a lithium secondary battery provided by the present invention, the layer density on a side facing a protective layer ( | 08-04-2011 |
20110217594 | ELECTRODE BODY, AND LITHIUM SECONDARY BATTERY EMPLOYING THE ELECTRODE BODY - An electrode body has a current collector, and an electrode layer that is formed on the current collector and that has an electrode active material and a conductive material. The concentration of the conductive material at a current collector-side surface of the electrode layer is lower than the concentration of the conductive material at an opposite-side surface that is opposite from the current collector-side surface. | 09-08-2011 |
20110256454 | Masterbatch of carbon-based conductive fillers for liquid formulations, especially in Li-Ion batterries - The present invention relates to a masterbatch in agglomerated solid form comprising:
| 10-20-2011 |
20110294014 | NEGATIVE ELECTRODE FOR SECONDARY LITHIUM BATTERY, AND SECONDARY LITHIUM BATTERY - Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material. | 12-01-2011 |
20110311876 | ELECTRICAL POWER STORAGE DEVICES - An electrical storage device includes high surface area fibers (e.g., shaped fibers and/or microfibers) coated with carbon (graphite, expanded graphite, activated carbon, carbon black, carbon nanofibers, CNT, or graphite coated CNT), electrolyte, and/or electrode active material (e.g., lead oxide) in electrodes. The electrodes are used to form electrical storage devices such as electrochemical batteries, electrochemical double layer capacitors, and asymmetrical capacitors. | 12-22-2011 |
20120009479 | ELECTRODE PLATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode plate for a non-aqueous electrolyte secondary battery comprises a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material and a binding material. The binding material is made of an amorphous metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions. | 01-12-2012 |
20120028125 | ELECTRODE PLATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprises a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material and a binding material. The binding material is made of a crystalline metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions. | 02-02-2012 |
20120040250 | ELECTRODE PLATE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode plate for a non-aqueous electrolyte secondary battery includes a current collector, and an electrode active material layer formed on at least part of the surface of the current collector. The electrode active material layer contains a particulate electrode active material, a binding material, and carbonic matter distinct from conductive materials. The binding material is a amourphous metal oxide that does not cause alkaline metal ion intercalation and deintercalation reactions. | 02-16-2012 |
20120115034 | COBALT CERIUM COMPOUND, ALKALINE SECONDARY BATTERY, AND METHOD FOR PRODUCING COBALT CERIUM COMPOUND - A compound having a high reduction resistance and being capable of sufficiently performing a function as an electronic conductive additive when added to a positive electrode active material as an electronic conductive additive is provided. In a method for producing a cobalt cerium compound including a step of depositing a hydroxide containing cobalt and cerium in an aqueous solution containing cobalt ions and cerium ions by changing the pH of the aqueous solution and thereafter performing a treatment of oxidizing the hydroxide, the ratio of the cerium ions contained in the aqueous solution containing the cobalt ions and the cerium ions is set to be more than 5% by atom and 70% by atom or less with respect to the sum of the cobalt ions and the cerium ions before the hydroxide is deposited. | 05-10-2012 |
20120264021 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Provided is a cathode active material for a lithium secondary battery, which can achieve both of excellent rate characteristic and practically sufficient durability (cycle characteristic) in the lithium secondary battery. The cathode active material for a lithium secondary battery includes therein pores. A particle or film of the cathode active material for a lithium secondary battery has formed therein a large number of pores. The inner wall of each of such pores is coated with a conductive film. | 10-18-2012 |
20120276455 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A long-life battery whose properties do not deteriorate after charge-discharges cycles is provided. A non-aqueous electrolyte secondary battery includes a cathode, an anode, and a non-aqueous electrolytic solution containing an electrolyte. At least one of the cathode and the anode includes a binder. The binder includes a layer having electron conductivity on a surface thereof. The binder improves the contact property between particles of the active materials of the battery and the conductivity in the electrode without impairing the binding property of the binder. Preferably, the binder includes a metal on the surface thereof and the metal does not form an alloy with lithium to further improve the lifetime of the battery. | 11-01-2012 |
20120301789 | TEMPLATE ELECTRODE STRUCTURES FOR DEPOSITING ACTIVE MATERIALS - Provided are examples of electrochemically active electrode materials, electrodes using such materials, and methods of manufacturing such electrodes. Electrochemically active electrode materials may include a high surface area template containing a metal silicide and a layer of high capacity active material deposited over the template. The template may serve as a mechanical support for the active material and/or an electrical conductor between the active material and, for example, a substrate. Due to the high surface area of the template, even a thin layer of the active material can provide sufficient active material loading and corresponding battery capacity. As such, a thickness of the layer may be maintained below the fracture threshold of the active material used and preserve its structural integrity during battery cycling. | 11-29-2012 |
20120328956 | MULTILAYER GRAPHENE AND POWER STORAGE DEVICE - To provide graphene through which ions can transfer in the direction perpendicular to a plane of the graphene. Multilayer graphene includes a plurality of graphenes stacked in a layered manner. The plurality of graphenes contain a six-membered ring composed of carbon atoms, a poly-membered ring which is a seven or more-membered ring composed of carbon atoms or carbon atoms and one or more oxygen atoms, and an oxygen atom bonded to one of the carbon atoms in the six-membered ring and the poly-membered ring, which is a seven or more-membered ring. The interlayer distance between adjacent graphenes of the plurality of graphenes is greater than 0.34 nm and less than or equal to 0.5 nm, preferably greater than or equal to 0.38 nm and less than or equal to 0.42 nm. | 12-27-2012 |
20130071754 | ELECTRODE BODY AND SECONDARY BATTERY USING SAME - A main object of the present invention is to provide an electrode body which can obtain a high capacity secondary battery. The invention provides an electrode body having an active material composed of a metal oxide and a conductive auxiliary agent obtained by causing a partial deficiency to an oxygen atom in the metal oxide and introducing a nitrogen atom into the metal oxide, whereby the above object can be achieved. | 03-21-2013 |
20130078523 | High Capacity Electrodes - A high capacity electrode includes a conducting substrate on which a plurality of support filaments are disposed. Each of the support filaments have a length substantially greater than their width and may include, for example, a carbon nano-tube (CNT), a carbon nano-fiber (CNF), and/or a nano-wire (NW). The support filaments are coated with a material, such as silicon, having a greater ion absorbing capacity greater than the neat support filaments. A trunk region of the support filaments proximate to the substrate is optionally kept free of ion absorbing material. This trunk region allows for the expansion of the ion absorbing material without detaching the support filaments form the substrate. | 03-28-2013 |
20130078524 | High Capacity Electrodes - A high capacity electrode includes a conducting substrate on which a plurality of support filaments are disposed. Each of the support filaments have a length substantially greater than their width and may include, for example, a carbon nano-tube (CNT), a carbon nano-fiber (CNF), and/or a nano-wire (NW). The support filaments are coated with a material, such as silicon, having a greater ion absorbing capacity greater than the neat support filaments. A trunk region of the support filaments proximate to the substrate is optionally kept free of ion absorbing material. This trunk region allows for the expansion of the ion absorbing material without detaching the support filaments form the substrate. | 03-28-2013 |
20130084502 | Intermetallic Nanoparticles - A process for preparing intermetallic nanoparticles of two or more metals is provided. In particular, the process includes the steps: a) dispersing nanoparticles of a first metal in a solvent to prepare a first metal solution, b) forming a reaction mixture with the first metal solution and a reducing agent, c) heating the reaction mixture to a reaction temperature; and d) adding a second metal solution containing a salt of a second metal to the reaction mixture. During this process, intermetallic nanoparticles, which contain a compound with the first and second metals are formed. The intermetallic nanoparticles with uniform size and a narrow size distribution is also provided. An electrochemical device such as a battery with the intermetallic nanoparticles is also provided. | 04-04-2013 |
20130084503 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery provided by the present invention includes an electrode body in which a positive electrode sheet and a negative electrode sheet | 04-04-2013 |
20130101902 | CATHODE CURRENT COLLECTOR FOR ELECTRICAL ENERGY STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed. | 04-25-2013 |
20130157141 | BATTERY WITH A RECYCLABLE DRY PARTICLE BASED ELECTRODE - A dry process based battery that includes an electrode with one or more recycled structure is disclosed. | 06-20-2013 |
20130189586 | METHOD FOR PREPARING A COMPOSITE, COMPOSITE THUS OBTAINED AND USES THEREOF - The present invention concerns a method for preparing a composite material comprising electrically conductive or semiconductive nano-objects of elongate shape and an electrically conductive polymer matrix, said method comprising a step consisting in electrochemically deposing said matrix on said nano-objects using a pulsed galvanostatic technique. The present invention also concerns the composite material thus obtained and uses thereof. | 07-25-2013 |
20130316245 | BATTERY ELECTRODE MATERIAL AND METHOD FOR MAKING THE SAME - The invention concerns a method for manufacturing of a battery electrode material comprising the steps of: a) applying an electric field to at least one polymer, conductive particles and at least one solvent whereby said conductive particles become arranged between the electrodes in at least two lines that are oriented in the same direction as the electric field line, and b) stabilizing the at least one polymer, conductive particles and at least one solvent by removing at least some of said at least one solvent while maintaining the electric field in step a) whereby the at least two lines of conductive particles will remain in their position when said electric field is removed. Further, the invention concerns a battery electrode material comprising at least one polymer and conductive particles, wherein said conductive particles form at least two lines that are oriented parallel and/or co-linear to each other. | 11-28-2013 |
20140011092 | COMPOSITE CARBON FIBERS - An object of the present invention is to provide composite carbon fibers in which multiwalled carbon nanotubes are homogeneously dispersed between graphitized carbon nanofibers and near the surface of the graphitized carbon nanofibers, the composite carbon fibers being capable of easily being dispersed in a matrix such as resin without leaving aggregates, and also imparting low resistance. Disclosed are composite carbon fibers comprising multiwalled carbon nanotubes having a fiber diameter of 5 nm or more and 30 nm or less and graphitized carbon nanofibers having a fiber diameter of 50 nm or more and 300 nm or less, wherein the multiwalled carbon nanotubes are homogeneously dispersed between the graphitized carbon nanofibers and near the surface of the graphitized carbon nanofibers. | 01-09-2014 |
20140030603 | ELECTRODE FOR AN ELECTROCHEMICAL ENERGY STORE AND METHOD FOR MANUFACTURING SAME - An electrode for an electrochemical energy store, in particular a cathode for a lithium-sulfur battery. To obtain a particularly good rate capability, the electrode includes an electrically conductive matrix, in particular having a binder and a conductive additive. Locally delimited active areas are situated in the electrically conductive matrix, and the active areas have an active material, a conductive additive, and a binder. Moreover, an energy store is provided, such as a lithium-sulfur battery in particular, and a method for manufacturing an electrode is also provided. | 01-30-2014 |
20140106232 | NANOSCALE THREE-DIMENSIONAL BATTERY ARCHITECTURE - A three-dimensional nanobattery formed by individually wiring nanostructured electrodes and combining them with an electrolyte. Short, capped nanotubes termed ‘nanobaskets’ are formed by sputtering coating onto nanoporous templates. Metallic nanowires are grown by electrochemical deposition from the nanobaskets and through the template, making electrical contact with each nanobasket electrode. The same procedure can be used to fabricate both a battery anode and a battery cathode. A thin layer of electrolyte is placed between the two nanobasket electrodes, and electrical contact is made through the nanowires. | 04-17-2014 |
20140212763 | Diamond Film Coated Electrode for Battery - A composite electrode and a lithium-based battery are disclosed, wherein the composite electrode comprises: a substrate and a conductive layer formed on the substrate, wherein the conductive layer comprises graphite powders, Si-based powders, Ti-based powders, or a combination thereof embedded in a conductive matrix and coated with diamond films, and the diamond films are formed of diamond grains. The novel electrodes of the present invention when used in the Li-based battery can provide superior performance including excellent chemical inertness, physical integrity, and charge-discharge cycling life-time, and exhibit high electric conductivity and excellent lithium ion permeability. | 07-31-2014 |
20140234724 | METHOD OF MANUFACTURING BATTERY ELECTRODE - A battery electrode is obtained by a method comprising: mixing active material (A), carbon fibers (B) having a fiber diameter of not less than 50 nm and not more than 300 nm, carbon fibers (C) having a fiber diameter of not less than 5 nm and not more than 40 nm, carbon black (D) and a binder (E) by dry process to obtain a mixture; to the mixture, adding not less than 5/95 and not more than 20/80 of a liquid medium by mass relative to the total mass of the active material (A), the carbon fibers (B), the carbon fibers (C), carbon black (D) and the binder (E); performing kneading while applying shear stress; and shaping the kneaded material into a sheet form. | 08-21-2014 |
20140272596 | COMPOSITE CARBON FIBERS - Provided is composite carbon fibers comprising multi-walled carbon nanotubes wherein 99% by number or more of the multi-walled carbon nanotubes have a fiber diameter of not less than 5 nm and not more than 40 nm, carbon particles having a primary particle diameter of not less than 20 nm and not more than 100 nm and graphitized carbon nanofibers wherein 99% by number or more of the graphitized carbon nanofibers have a fiber diameter of not less than 50 nm and not more than 300 nm, wherein the multi-walled carbon nanotubes are homogeneously dispersed between the graphitized carbon nanofibers and the carbon particles. | 09-18-2014 |
20140315092 | METHODS AND SYSTEMS FOR MAKING AN ELECTRODE FREE FROM A POLYMER BINDER - The disclosure describes an exemplary binding layer formed on Aluminum (Al) substrate that binds the substrate with a coated material. Additionally, an extended form of the binding layer is described. By making a solution containing Al-transition metal elements-P—O, the solution can be used in slurry making (the slurry contains active materials) in certain embodiments. The slurry can be coated on Al substrate followed by heat treatment to form a novel electrode. Alternatively, in certain embodiments, the solution containing Al-transition metal elements-P—O can be mixed with active material powder, after heat treatment, to form new powder particles bound by the binder. | 10-23-2014 |
20140322613 | ELECTRODE MATERIAL, ELECTRODE, AND LITHIUM ION BATTERY - An electrode material is provided in which a carbon coating film containing an ion-conductive material is formed on surfaces of electrode-active material particles, and at least a portion of a surface of the ion-conductive material is exposed without being coated with the carbon coating film or the ion-conductive material is surrounded by the carbon coating film. | 10-30-2014 |
20140370395 | MODIFIED CARBON BLACK MATERIALS FOR LITHIUM-ION BATTERIES - A lithium (Li) ion battery comprising a cathode, a separator, an organic electrolyte, an anode, and a carbon black conductive additive, wherein the carbon black has been heated treated in a CO | 12-18-2014 |
20140377663 | SHEET COMPOSITE, MANUFACTURING METHOD THEREOF, AND ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID SHEET COMPOSITE - The present invention relates to a sheet composite of a metal compound and a fibrous carbon that can yield an electrode or an electrochemical element which achieves output property and high energy density, as well as a manufacturing method thereof. Sheer stress and centrifugal force are applied to a solution comprising a starting material metal compound and a fibrous carbon and reacted in a rotating reaction container to produce a composite material of metal compound and fibrous carbon. The composite material and a binder which is a fibrous carbon are stirred to produce a mixed solvent. The mixed solvent is subjected to suction filtration and vacuum drying. This mixed solution is molded in a paper machine to prepare a sheet composite. The fibrous carbon is carbon nanotubes having a specific surface area of 600 to 2600 m | 12-25-2014 |
20150017544 | Electrochemical Device Electrode Including Cobalt Oxyhydroxide - This invention discloses an electrochemical device having a multilayer structure and methods for making such a device. Specifically, this invention discloses a multilayer electrochemical device having nano-sized cobalt oxyhydroxide conductive agents and/or active materials within the polymer layers. | 01-15-2015 |
20150132655 | NEGATIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING THE SAME - It is an object of an exemplary embodiment of the present invention to provide a negative electrode active material having excellent rate characteristics and cycle characteristics. One embodiment according to the present invention is a negative electrode active material comprising a carbon-containing composite, wherein, in the carbon-containing composite, an active material capable of intercalating and deintercalating lithium, conductive nanofibers and conductive carbon particles are coated with a carbon material and are integrated. | 05-14-2015 |
20150311533 | SLURRY CONTAINING DISPERSED ACETYLENE BLACK, AND LITHIUM-ION SECONDARY BATTERY | 10-29-2015 |
20150372309 | ULTRA-FINE FIBROUS CARBON FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ULTRA-FINE FIBROUS CARBON AGGREGATE, COMPOSITE, AND ELECTRODE ACTIVE MATERIAL LAYER - The purpose of the present invention is to provide an electrode active material layer exhibiting excellent mechanical strength. This electrode material for a non-aqueous electrolyte secondary battery includes at least an electrode active material, a carbon-based conductive auxiliary agent, and a binder. The carbon-based conductive auxiliary agent has a linear structure, and includes ultra-fine fibrous carbon having an average fibre diameter of more than 200 nm but not more than 900 nm. The electrode material configures an electrode active material layer in which the maximum tensile strength (σ | 12-24-2015 |
20160111726 | LITHIUM ION CELL FOR A SECONDARY BATTERY - Known lithium-ion cells for a secondary battery including an electrode have an active material layer containing active material particles in contact with a non-aqueous electrolyte and a particulate, porous additive. Using this as a basis, it is desired to achieve an improvement in the lithium-ion cells in respect of their gravimetric and volumetric energy density and in respect of inexpensive and reproducible production, and in particular to ensure that the desired properties of the active material layer are not changed, or are not changed to an unacceptable degree, by compression during calendering. Accordingly, it is proposed to use, as an additive, porous carbon particles having a porosity in the range between 50% and 95% and having macropores which are fluidically connected to one another and which are delimited by carbon walls having an average wall thickness in the range of 5 to 500 nm. | 04-21-2016 |
20160149217 | ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY - An electrode for a non-aqueous secondary battery includes a current collector foil, and an electrode mixture layer provided on the current collector foil. The electrode mixture layer includes powder particles. The powder particles contain any one of metals or a metallic compound of zirconium, hafnium, zirconium carbide, hafnium carbide, and tungsten carbide as a conductive material. | 05-26-2016 |
20160172680 | ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY, AND METHOD OF FABRICATING ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY | 06-16-2016 |
20160181615 | Solid-State Batteries with Improved Performance and Reduced Manufacturing Costs and Methods for Forming the Same | 06-23-2016 |
20160189880 | ELECTRODE PLATE, MANUFACTURING METHOD THEREOF, AND ENERGY STORAGE DEVICE - An electrode plate, a manufacturing method thereof, and an energy storage device are disclosed. The method for manufacturing an electrode plate includes: forming a germanium film on a metal substrate; carrying out a topology treatment on the germanium film by using a functionalization element, to obtain the electrode plate with a topological semiconductor characteristic. The electrode plate prepared by the above method has a high conductivity and a low internal resistance. | 06-30-2016 |
20160190594 | CARBON BLACK AND PRODUCTION METHOD THEREFOR, AND ELECTRICITY STORAGE DEVICE AND CONDUCTIVE RESIN COMPOSITION - In carbon black of the present invention, peak intensity I | 06-30-2016 |
20160380270 | CONDUCTING MATERIAL COMPOSITION, AND SLURRY COMPOSITION FOR FORMING ELECTRODE OF LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY USING THE SAME - The present invention relates to a conducting material composition capable of forming an electrode in which at least two kinds of carbon based materials are contained in a uniformly dispersed state to enable a battery such as a lithium rechargeable battery having more improved electrical and lifetime characteristics to be provided, and a slurry composition for forming an electrode of a lithium rechargeable battery and a lithium rechargeable battery using the same. The conducting material composition contains: at least two kinds of conductive carbon-based materials selected from the group consisting of carbon nano tube, graphene, and carbon black; and a dispersant containing a plurality kinds of poly aromatic hydrocarbon oxides, wherein the dispersant contains poly aromatic hydrocarbon oxides having a molecular weight of 300 to 1000 at a content of 60 wt. % or more. | 12-29-2016 |
20170237073 | METHOD FOR MANUFACTURING CONDUCTOR, CONDUCTOR MANUFACTURED THEREBY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME | 08-17-2017 |