Entries |
Document | Title | Date |
20080241692 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a lithium compound and a negative electrode current collector supporting the lithium compound. A log differential intrusion curve obtained when a pore size diameter of the negative electrode is measured by mercury porosimetry has a peak in a pore size diameter range of 0.03 to 0.2 μm and attenuates with a decrease in pore size diameter from an apex of the peak. A specific surface area (excluding a weight of the negative electrode current collector) of pores of the negative electrode found by mercury porosimetry is 6 to 100 m | 10-02-2008 |
20080241693 | Lithium transition metal complex oxide for lithium ion secondary battery cathode active material and method for producing the same, lithium ion secondary battery cathode active material, and lithium ion secondary battery - A lithium transition metal complex oxide for a lithium ion secondary battery cathode active material contains 100 to 1000 ppm of silicon and 300 to 900 ppm of fluorine. A method for producing the lithium transition metal complex oxide includes the step of mixing a lithium compound, a transition metal compound, a fluorine compound, and a silicon compound to prepare a raw material mixture, and the step of firing the raw material mixture to produce the lithium transition metal complex oxide. | 10-02-2008 |
20090029255 | SECONDARY-BATTERY CURRENT COLLECTOR, SECONDARY-BATTERY CATHODE, SECONDARY-BATTERY ANODE, SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - A secondary-battery current collector comprising an aluminum foil and a film containing an ion-permeable compound and carbon fine particles formed thereon or a secondary-battery current collector comprising an aluminum foil, a film containing an ion-permeable compound and carbon fine particles formed thereon as the lower layer, and a film containing a binder, carbon fine particles and a cathodic electroactive material formed thereon as the upper layer, a production method of the same, and a secondary battery having the current collector are provided. | 01-29-2009 |
20090053605 | ACTIVE MATERIAL OF NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY, METHOD OF MANUFACTURING ACTIVE MATERIAL OF NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - There is disclosed a negative electrode active material for a non-aqueous electrolyte battery, which comprises lithium titanium composite oxide represented by a general formula of: Li | 02-26-2009 |
20090104533 | Active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery comprising it - Disclosed are an active material for non-aqueous electrolyte secondary battery usable as a power source for backup, which has a large battery capacity and which may prevent the increase in the internal resistance after a storage test; and a non-aqueous electrolyte secondary battery comprising the active material. The active material is used as a positive electrode active material or a negative electrode active material of a non-aqueous electrolyte secondary battery, and this is prepared by adding at least one additive element selected from a group consisting of Al, B, Nb, Ti and W to molybdenum dioxide; and the non-aqueous electrolyte secondary battery comprises the active material. | 04-23-2009 |
20090155692 | SURFACE TREATED ANODE ACTIVE MATERIAL AND METHOD OF MAKING THE SAME, ANODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE SAME - An anode includes a collector; and an anode active material layer disposed on the collector comprises an anode active material, which is lithium oxide coated Li | 06-18-2009 |
20090170002 | ALKALI METAL TITANATES, AND ELECTRODES AND BATTERIES BASED ON THE SAME - Disclosed is a lithium titanate material, which may include an additive, and its use as an electrode in a battery. Specifically disclosed is a lithium titanate based material, with primary particle size larger than 100 nm, having very good high rate charge and discharge capabilities when incorporated into a lithium battery. | 07-02-2009 |
20090186278 | LITHIUM SECONDARY BATTERY - In a lithium secondary battery, the electrode assembly includes a positive electrode and a negative electrode which are assembled together with a separator interposing between said both electrodes. Each of the electrodes includes an active material mixture layer portion and an active material mixture layer free-portion which are arranged on a surface of said metal foil. A relationship of B | 07-23-2009 |
20090197175 | ELECTRIC STORAGE DEVICE - An electric storage device | 08-06-2009 |
20100055568 | TRANSITION METAL OXIDES/MULTI-WALLED CARBON NANOTUBE NANOCOMPOSITE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a transition metal oxide/multi-walled carbon nanotube nanocomposite and its preparation method, and particularly to a nanocomposite prepared in a composite form of an electron-transmitting and stress-relaxing one-dimensional multi-walled carbon nanotube (MWCNT) and a high-capacity-enabling zero-dimensional nanopowder-type transition metal oxide, where a transition metal oxide prepared by urea synthesis is uniformly dispersed in a carbon nanotube by a surfactant, and its preparation method. | 03-04-2010 |
20110039160 | LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREFOR - A lithium secondary battery ( | 02-17-2011 |
20110065004 | POWER STORAGE DEVICE AND METHOD FOR MANUFACTURING THE SAME - An object is to increase the amount of ions capable of leaving and entering an active material so as to increase capacity of a secondary battery. The present invention relates to a manufacturing method of a power storage device including a positive electrode active material formed using a composite oxide containing at least alkali metal and transition metal. The method includes the steps of: forming a base layer over a support substrate; forming a layer of lithium iron phosphate or a layer of sodium iron phosphate over the base layer; and using a layer of single crystalline lithium iron phosphate having an olivine structure or a layer of single crystalline sodium iron phosphate having an olivine structure with crystal axes oriented in a <010> direction as the positive electrode material by converting the layer of lithium iron phosphate or the layer of sodium iron phosphate by a heat treatment. | 03-17-2011 |
20110076563 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A positive electrode for a non-aqueous electrolyte secondary battery includes a current collector including Al, and a positive electrode active material layer adhering to the current collector. The positive electrode active material layer includes a composite oxide containing Li and a transition metal element Me. The positive electrode active material layer has, at least on the current collector side, a region in which Al is diffused from the current collector. | 03-31-2011 |
20110076564 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF MANUFACTURING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL - A positive electrode active material having a lithium-excess lithium-transition metal composite oxide particle represented by the chemical formula Li | 03-31-2011 |
20110086275 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING LITHIUM TITANIUM OXIDE, AND LITHIUM RECHARGEABLE BATTERY INCLUDING LITHIUM TITANIUM OXIDE - A spherical primary particle of a lithium titanium oxide of which average diameter is in the range of about 1 to about 20 μm, a method of preparing the spherical primary particle of the lithium titanium oxide, and a lithium rechargeable battery including the spherical primary particle of the lithium titanium oxide. | 04-14-2011 |
20110111302 | ELECTRODE PLATE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR FABRICATING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Winding dislocation in forming an electrode group of a nonaqueous electrolyte secondary battery is prevented. | 05-12-2011 |
20110136012 | LITHIUM SECONDARY BATTERY MANUFACTURING METHOD AND LITHIUM SECONDARY BATTERY - A negative electrode active material layer | 06-09-2011 |
20110159370 | NONAQUEOUS SECONDARY BATTERY - The present invention provides a nonaqueous secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolyte. A porous layer containing an insulating material not reactive with Li is disposed on a surface of the negative electrode active material containing layer opposite to the side facing the negative electrode current collector or a binder in the negative electrode active material containing layer is polyimide, polyamideimide or polyamide; and the negative electrode current collector has a 0.2% proof stress of 250 N/mm | 06-30-2011 |
20110183211 | METHOD FOR MANUFACTURING ELECTRODE FOR BATTERY - The invention provides a method for manufacturing a battery electrode having a configuration in which an electrode active material layer including an electrode active material is held on an electrode collector. The method includes a step of mixing the electrode active material with a solvent and preparing an electrode active material paste (step S | 07-28-2011 |
20110189544 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery that includes a core including a compound represented by the following Chemical Formula 1, and a carbon layer disposed on the core and including low crystalline carbon. | 08-04-2011 |
20110189545 | PROCESS FOR THE PREPARATION OF LITHIUM TITANIUM SPINEL AND ITS USE - Non-doped and doped lithium titanate Li | 08-04-2011 |
20110200881 | ELECTRODE FOR HIGH PEFORMANCE Li-ION BATTERIES - A method for forming an electrode for a battery is disclosed. The method includes providing a substrate. A plurality of clusters of lithium containing compound is formed over the substrate, with each cluster having a plurality of sub-structures of lithium containing compound that exhibit nanocrystalline structure. The plurality of sub-structures of lithium containing compound are transformed to exhibit cation ordering structure. In some embodiments, a protective layer is disposed over the cluster of Li containing compound. An electrode for a battery and a system for processing the substrate are also disclosed. | 08-18-2011 |
20110200882 | LITHIUM CONTAINING TRANSITION METAL SULFIDE COMPOUNDS - The present invention provides a convenient process for making lithium-containing transition metal sulfides involving heating at least one transition metal sulfide with lithium sulfate or any material that is a precursor for lithium sulfate, under reducing reaction conditions, wherein the oxidation state of the transition metal is not reduced during the reaction process. | 08-18-2011 |
20110206990 | SINTERED LITHIUM COMPLEX OXIDE - A sintered lithium complex oxide characterized in that the sintered lithium complex oxide is constituted by sintering fine particles of a lithium complex oxide, the peak pore size giving the maximum differential pore volume is 0.80-5.00 μm, the total pore volume is 0.10-2.00 mL/g, the average particle size is not less than the above-specified peak pore size but not more than 20 μm, there is a sub-peak giving a differential pore volume not less than 10% of the maximum differential pore volume on the smaller pore size side with respect to the above-specified peak pore size, the pore size corresponding to the sub-peak is more than 0.50 μm but not more than 2.00 μm, the BET specific surface area of the sintered lithium complex oxide is 1.0-10.0 m | 08-25-2011 |
20110217593 | CARBON-COATED LITHIUM TITANIUM SPINEL - A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 μm, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode. | 09-08-2011 |
20110294013 | EXFOLIATED CARBON NANOTUBES, METHODS FOR PRODUCTION THEREOF AND PRODUCTS OBTAINED THEREFROM - In various embodiments, exfoliated carbon nanotubes are described in the present disclosure. The carbon nanotubes maintain their exfoliated state, even when not dispersed in a medium such as a polymer or a liquid solution. Methods for making the exfoliated carbon nanotubes include suspending carbon nanotubes in a solution containing a nanocrystalline material, precipitating exfoliated carbon nanotubes from the solution and isolating the exfoliated carbon nanotubes. Nanocrystalline materials may include nanorods, hydroxyapatite and various hydroxyapatite derivatives. In some embodiments, methods for making exfoliated carbon nanotubes include preparing a solution of carbon nanotubes in an acid and filtering the solution through a filter to collect exfoliated carbon nanotubes on the filter. In some embodiments, a concentration of carbon nanotubes in the acid is below the percolation threshold. In other various embodiments, energy storage devices and polymer composites containing exfoliated carbon nanotubes are described herein. The energy storage device may be a battery containing at least two electrodes and an electrolyte in contact with the at least two electrodes. At least one of the electrodes in the energy storage device advantageously contains exfoliated carbon nanotubes. The polymer composites are prepared by mixing exfoliated carbon nanotubes with a polymer material. After being mixed in the polymer material, the carbon nanotubes maintain their exfoliated state. | 12-01-2011 |
20120015252 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5±2°, 21±2°, 38±2°, and 64±2° 2-theta (2θ) and represented by Formula 1: Li | 01-19-2012 |
20120021292 | Anode active material for lithium secondary battery and method for preparing the same - An anode active material for lithium secondary batteries including lithium titanate represented by the following general formula (1): Li | 01-26-2012 |
20120070744 | LITHIUM TITANATE, PROCESS FOR PRODUCTION OF SAME, AND ELECTRODE ACTIVE MATERIAL AND ELECTRICITY STORAGE DEVICE EACH COMPRISING SAME - Disclosed is lithium titanate having excellent rate properties and useful for electricity storage devices, which is produced by preparing lithium titanate secondary particles that are aggregates of lithium titanate primary particles and forming at least macro-pores on the surfaces of the secondary particles. The lithium titanate can be produced by a process which comprises drying and granulating a slurry comprising crystalline titan oxide, a titanic acid compound and a lithium compound and firing the granulated product to thereby produce lithium titanate secondary particles, wherein (1) the crystalline titan oxide to be used comprises at least two types of crystalline titan oxide particles having different average particle diameters from each other, and/or (2) the crystalline titan oxide is used in an amount at least four-fold larger than that of the titanic acid compound in terms of TiO | 03-22-2012 |
20120094180 | ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - The present invention relates to an active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes an active material and a fiber-shaped or tube-shaped carbon conductive material attached to the surface of the active material. The active material includes a conductive shell including a fiber-shaped or tube-shaped carbon conductive material and increases discharge capacity due to improved conductivity and improves cycle-life efficiency by maintaining paths between active material particles during charge and discharge cycles. | 04-19-2012 |
20120100431 | CATHODE ACTIVE MATERIAL AND NONAQUEOUS SECONDARY BATTERY INCLUDING CATHODE HAVING THE CATHODE ACTIVE MATERIAL - A cathode active material of the present invention for use in a nonaqueous secondary battery, the cathode active material includes: a main crystalline phase including a lithium-containing transition metal oxide containing manganese and having a spinel structure; and a sub crystalline phase contained in the main crystalline phase, the sub crystalline phase being identical in oxygen arrangement to the lithium-containing transition metal oxide and different in elementary composition from the lithium-containing transition metal oxide, a main crystalline phase part around the sub crystalline phase and the sub crystalline phase having a same crystal orientation. | 04-26-2012 |
20120121986 | CARBON NANOTUBE COMPOSITE STRUCTURES AND METHODS OF MANUFACTURING THE SAME - A current conductor for an electrochemical power device that includes an array of carbon nanotubes (CNT) anchored in a carbon nanotube metal composite layer and a structure that may incorporate nanoscale particles or thin film onto the current conductor is described. Additionally, a process for creating the structure using electrochemical plating of the metal layer onto the CNT array followed by separation of the structure from the substrate is provided. Another process includes creating the structure using co-electrodeposition of the CNT and metal from an electroplating bath using surfactants, physical energy, and a magnetic and/or electric field to orient the CNT and enhance the CNT density in the composite. | 05-17-2012 |
20120129052 | COMPOSITE MATERIAL CONTAINING A MIXED LITHIUM-METAL OXIDE - A composite material containing particles, in part provided with a pyrocarbon coating, of a mixed lithium metal oxide, as well as particles, in part provided with a pyrocarbon layer, of elementary carbon. Also, a process for producing such a composite material as well as an electrode containing the composite material and a secondary lithium-ion battery containing an electrode comprising the composite material. | 05-24-2012 |
20120135311 | Li4Ti5O12, Li(4-alpha)ZalphaTi5O12 OR Li4ZbetaTi(5-beta)O12 PARTICLES, PROCESSES FOR OBTAINING SAME AND USE AS ELECTROCHEMICAL GENERATORS - Synthesis process for new particles of Li | 05-31-2012 |
20120164535 | LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A lithium titanate composite material includes lithium titanate particles and an AlPO4/C composite layer disposed on a surface of the lithium titanate particles. The AlPO | 06-28-2012 |
20120164536 | LITHIUM TITANATE COMPOSITE MATERIAL, METHOD FOR MAKING THE SAME, AND LITHIUM ION BATTERY USING THE SAME - A lithium titanate composite material includes a lithium titanate particle and a double layered structure coated on a surface of the lithium titanate particle. The double layered structure includes a carbon layer directly disposed on the surface of the lithium titanate particle, and an AlPO | 06-28-2012 |
20120202120 | SYNTHESIZING METHOD FOR LITHIUM TITANIUM OXIDE NANOPARTICLE USING SUPERCRITICAL FLUIDS - A method for synthesizing lithium titanium oxide-based anode active material nanoparticles, and more particularly, a method for synthesizing lithium titanium oxide-based anode active material nanoparticles using a supercritical fluid condition is disclosed herein. The method may include (a) preparing a lithium precursor solution and a titanium precursor solution, (b) forming lithium titanium oxide-based anode active material nanoparticles by introducing the lithium precursor solution and titanium precursor solution into an reactor at a supercritical fluid condition, and (c) cleaning and drying the nanoparticles, and may further include (d) calcinating the nanoparticles at 500-1000° C. for 10 minutes to 24 hours after the step (c). | 08-09-2012 |
20120225356 | GALVANIC ELEMENTS CONTAINING OXYGEN-CONTAINING CONVERSION ELECTRODES - A galvanic element containing a substantially transition metal-free oxygen-containing conversion electrode, a transition metal-containing cathode, and an aprotic lithium electrolyte. The substantially transition metal-free oxygen-containing conversion. electrode materials contain lithium hydroxide and/or lithium peroxide and/or lithium oxide, and in the charged state additionally contain lithium hydride, and are contained in a galvanic element, for example a lithium battery, as the anode. Methods for producing substantially transition metal-free oxygen-containing conversion electrode materials and galvanic elements made of substantially transition metal-free oxygen-containing conversion electrode materials are also provided. | 09-06-2012 |
20120231343 | Positive Electrode Active Material For A Lithium-Ion Battery, Positive Electrode For A Lithium-Ion Battery, Lithium-Ion Battery Using Same, And Precursor To A Positive Electrode Active Material For A Lithium-Ion Battery - The present invention provides a positive electrode active material for lithium ion batteries, which realizes a lithium ion battery that is, while satisfying fundamental characteristics of a battery (capacity, efficiency, load characteristics), low in the resistance and excellent in the lifetime characteristics. In the positive electrode active material for lithium ion batteries, the variation in the composition of transition metal that is a main component inside of particles of or between particles of the positive electrode active material, which is defined as a ratio of the absolute value of the difference between a composition ratio inside of the particles of or in a small area between the particles of the transition metal and a composition ratio in a bulk state to the composition ratio in a bulk state of the transition metal, is 5% or less. | 09-13-2012 |
20120251885 | High power, wide-temperature range electrode materials, electrodes, related devices and methods of manufacture - The present invention is generally directed to the field of lithium-ion batteries. It is more specifically directed to electrode materials used in lithium ion batteries, electrodes including the materials, devices incorporating the electrodes and related methods of manufacture. In a composition aspect of the present invention, a composition comprising at least 50 mg of Li | 10-04-2012 |
20120258367 | NANOCOMPOSITE MATERIAL, METHOD FOR PREPARING THE SAME, AND ENERGY STORAGE DEVICE INCLUDING THE SAME - The present invention relates to a nanocomposite material including graphene and a lithium-containing metal oxide on a surface of the graphene, a method for preparing the same, and an energy storage device including the same as an electrode material. | 10-11-2012 |
20120258368 | NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative electrode active material, a method of preparing the negative electrode active material and a lithium secondary battery including the negative electrode active material are disclosed. A negative electrode active material includes a lithium titanate, wherein a portion of lithium of the lithium titanate is substituted by at least one selected from the group consisting of Sr, Ba, a mixture thereof and an alloy thereof, and thus a lithium secondary battery including the negative electrode active material may improve high-rate discharge characteristics. | 10-11-2012 |
20120258369 | LITHIUM SECONDARY BATTERY AND CATHODE ACTIVE MATERIAL THEREFOR - The lithium secondary battery cathode active material having a layered rock salt structure is characterized in that the material is formed of a plurality of primary particles having a mean particle size of 0.01 to 5 μm, and contains secondary particles having a mean particle size of 1 to 100 μm and an aspect ratio, which is a ratio of long axis diameter to short axis diameter, of 1.0 or more and less than 2; and that the primary particles forming the secondary particles have a (003) plane orientation degree of 50% or higher. | 10-11-2012 |
20120270109 | AMORPHOUS AND PARTIALLY AMORPHOUS NANOSCALE ION STORAGE MATERIALS - Amorphous or partially amorphous nanoscale ion storage materials are provided. For example, lithium transition metal phosphate storage compounds are nanoscale and amorphous or partially amorphous in an as-prepared state, or become amorphous or partially amorphous upon electrochemical intercalation or de-intercalation by lithium. These nanoscale ion storage materials are useful for producing devices such as high energy and high power storage batteries. | 10-25-2012 |
20120328950 | PROCESS FOR THE PREPARATION OF FINELY DISPERSED LITHIUM TITANIUM SPINELS AND THEIR USE - The present invention relates to a process for the preparation of a mixture for producing lithium titanium spinel Li | 12-27-2012 |
20130004851 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING THE SAME, LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE, AND METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL - A negative active material comprising lithium titanate oxide having an area ratio of a diffraction peak of a (111) plane that appears at 2θ-18.3°±0.4 to a diffraction peak of a (311) plane that appears at 2θ=35.5°±0.4, in an XRD spectrum, in the range of about 2.2:1 to about 5.5:1, a negative electrode comprising the negative active material, a lithium secondary battery comprising the negative electrode, and a method of preparing the negative active material. | 01-03-2013 |
20130029228 | NEGATIVE ELECTRODE ACTIVE MATERIAL , NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A negative electrode active material includes lithium-titanium composite oxide porous particles having an average pore size of 50 to 500 Å. | 01-31-2013 |
20130045422 | NOVEL LITHIUM TITANATE, METHOD FOR PRODUCING SAME, ELECTRODE ACTIVE MATERIAL CONTAINING THE LITHIUM TITANATE, AND ELECTRICITY STORAGE DEVICE USING THE ELECTRODE ACTIVE MATERIAL - Disclosed are: a novel lithium titanate; and a method for producing the novel lithium titanate. Specifically disclosed is a compound that has a chemical composition represented by the general formula (1): Li | 02-21-2013 |
20130059204 | ELECTRODE FOR A SECONDARY LITHIUM-ION BATTERY - An electrode, free of added conductive agent, for a secondary lithium-ion battery with a lithium-metal-oxygen compound as active material, and a secondary lithium-ion battery which contains the electrode. | 03-07-2013 |
20130089788 | METHOD FOR PRODUCING CONDUCTING MATERIAL, CONDUCTING MATERIAL, AND BATTERY - Provided are a method for producing a novel conducting material which functions as an active material and has electron conductivity, the conducting material, and a battery. | 04-11-2013 |
20130089789 | TRANSPARENT CONDUCTIVE FILM AND METHOD OF MANUFACTURING THE SAME, DYE-SENSITIZED SOLAR CELL, AND SOLID ELECTROLYTE BATTERY - To provide a novel transparent conductive film using low-cost materials that can be stably supplied and have low toxicity, a method of manufacturing the same, a dye-sensitized solar cell, and a solid electrolyte battery. | 04-11-2013 |
20130095386 | Metal Fluoride Electrode Protection Layer and Method of Making Same - Modifications to the surface of an electrode and/or the surfaces of the electrode material can improve battery performance. For example, the modifications can improve the capacity, rate capability and long cycle stability of the electrode and/or may minimize undesirable catalytic effects. In one instance, metal-ion batteries can have an anode that is coated, at least in part, with a metal fluoride protection layer. The protection layer is preferably less than 100 nm in thickness. | 04-18-2013 |
20130095387 | CERAMIC MATERIAL AS WELL AS BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY CONTAINING THE SAME - A ceramic material offering both high capacity and high rate characteristics includes, as a main constituent, titanium oxide, and 0.004 to 0.249 percent by mass of potassium, 0.013 to 0.240 percent by mass of phosphorous and 0.021 to 1.049 percent by mass of niobium, has a spinel structure, and preferably has a peak intensity measured on the Li | 04-18-2013 |
20130101901 | LITHIUM-TRANSITION METAL COMPLEX COMPOUNDS HAVING Nth ORDER HIERARCHICAL STRUCTURE, METHOD OF PREPARING THE SAME AND LITHIUM BATTERY COMPRISING AN ELECTRODE COMPRISING THE SAME - A lithium-transition metal complex compound has an n | 04-25-2013 |
20130108927 | LITHIUM ION BATTERY ANODE | 05-02-2013 |
20130108928 | LITHIUM-TITANIUM COMPLEX OXIDE AND MANUFACTURING METHOD THEREOF, AS WELL AS BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING SAME | 05-02-2013 |
20130115516 | LITHIUM TITANATE CRYSTAL STRUCTURE, COMPOSITE OF LITHIUM TITANATE CRYSTAL STRUCTURE AND CARBON, METHOD OF PRODUCTION THEREOF, AND ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID COMPOSITE - Highly dispersed lithium titanate crystal structures having a thickness of few atomic layers level and the two-dimensional surface in a plate form are supported on carbon nanofiber (CNF). The lithium titanate crystal structure precursors and CNF that supports these are prepared by a mechanochemical reaction that applies sheer stress and centrifugal force to a reactant in a rotating reactor. The mass ratio between the lithium titanate crystal structure and carbon nanofiber is preferably between 75:25 and 85:15. The carbon nanofiber preferably has an external diameter of 10-30 nm and an external specific surface area of 150-350 cm | 05-09-2013 |
20130130114 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprising amorphous carbon as a main agent of a negative electrode active material and having high energy density, less degradation of capacity during storage in a charged state, and excellent in cycle life characteristics is provided. | 05-23-2013 |
20130143125 | LITHIUM ION SECONDARY BATTERY - The lithium-ion secondary battery provided by the present invention comprises a positive electrode, a negative electrode, and a non-aqueous liquid electrolyte. The positive electrode comprises as a primary component of its positive electrode active material, a lithium-containing olivine compound. The positive electrode further comprises 2 to 20 parts by mass of an activated carbon relative to 100 parts by mass of the positive electrode active material. | 06-06-2013 |
20130149612 | LITHIUM-TITANIUM COMPLEX OXIDE ELECTRODE MATERIAL CONJUGATED WITH FINE CARBON FIBER - The present invention provides an electrode material for a secondary battery wherein the inside and the surface of a lithium-titanium complex oxide is composited with a fine carbon fiber as a network. | 06-13-2013 |
20130157137 | Lithium Rechargeable Battery - A lithium rechargeable battery having a nonaqueous electrolyte held between a positive electrode and a negative electrode is provided. The lithium rechargeable battery has a high energy density and a high battery capacity by enhancing a filling factor of an active material of the positive electrode or the negative electrode. In the lithium rechargeable battery includes the positive electrode, the negative electrode, and the nonaqueous electrolyte held between the positive electrode and the negative electrode, the positive electrode or the negative electrode is comprised of a lithium titanate sintered body. The lithium titanate sintered body has a mean fine pore diameter of 0.10 to 0.20 μm, a specific surface area of 1.0 to 3.0 m | 06-20-2013 |
20130171526 | PRODUCING METHOD OF COMPOSITE ACTIVE MATERIAL, COATING APPARATUS, COMPOSITE ACTIVE MATERIAL AND ALL SOLID STATE BATTERY - A method of producing a composite active material having an active material and a coat layer containing an ion conductive oxide and formed on a surface of the active material, including: applied film forming step of forming an applied film by applying a coating liquid for coat layer, containing an alkoxide compound as a raw material of the ion conductive oxide, on a surface of the active material under an atmosphere of lower dew-point temperature than dew-point temperature where the active material deteriorates; hydrolysis promoting step of promoting hydrolysis of the alkoxide compound by exposing the applied film under an atmosphere of higher dew-point temperature than dew-point temperature in the applied film forming step; and heat-treating step of forming the coat layer by heat-treating the applied film after the hydrolysis promoting step. | 07-04-2013 |
20130177810 | METHOD FOR SYNTHESIZING NANO SCALE ELECTRODE MATERIALS USING AN ULTRA-FAST COMBUSTION METHOD, AND NANO SCALE ELECTRODE MATERIALS SYNTHESIZED BY THE METHOD - Provided are embodiments of a method of synthesizing nano scale electrode materials using an ultrafast combustion technique and nano scale electrode materials synthesized using the method. The method does not require a process of annealing reaction products required for synthesis of electrode materials or any other additional processes, such as cleaning, filtering, and drying processes, so that it can take only several seconds to several minutes to obtain a resultant product. | 07-11-2013 |
20130189583 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING COMPOSITE ANODE ACTIVE MATERIAL, AND ANODE AND LITHIUM BATTERY INCLUDING COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material includes matrix particles including lithium titanate; and at least one nanoparticle dispersed in the matrix particles. The at least one nanoparticle includes at least one selected from the group a metal capable of forming alloys with lithium and a non-transition metal oxide. | 07-25-2013 |
20130189584 | ACTIVE MATERIAL, ACTIVE MATERIAL PRODUCTION METHOD, NONAQUEOUS ELECTROLYTE BATTERY, AND BATTERY PACK - According to one embodiment, an active material includes a lithium-titanium composite oxide. The lithium-titanium composite oxide includes a lithium compound including at least one of lithium carbonate and lithium hydroxide. A lithium amount of the lithium compound is within a range of 0.017 to 0.073 mass %. | 07-25-2013 |
20130202968 | LITHIUM TITANIUM OXIDE, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING THE NEGATIVE ELECTRODE - A lithium titanium oxide spinel having a ratio of FWHM1/FWHM2 at a spinning rate of about 5 kHz to about 50 kHz of about 1.70 or less, wherein FWHM1 is a full width at half maximum of a | 08-08-2013 |
20130209888 | SECONDARY BATTERY - A secondary battery according to the present invention has a current collector and a positive electrode mixture layer that coats the current collector. The positive electrode mixture layer includes a positive electrode active material, an electrically conductive material, and a binder, and the positive electrode active material is constituted by hollow-structure secondary particles formed by the aggregation of a plurality of primary particles of a lithium transition metal oxide and has a through hole penetrating from outside to a hollow portion. In addition, a particle porosity A | 08-15-2013 |
20130209889 | BATTERY ELECTRODE AND USE THEREOF - An objective is to reduce the sheet resistance and gas evolution in a battery electrode comprising a conductive intermediate layer capable of reducing or shutting off a current when overcharged. A battery electrode ( | 08-15-2013 |
20130216914 | MULTILAYER MATERIAL, METHOD FOR MAKING SAME AND USE AS ELECTRODE - A multilayer material including a solid substrate and at least two superimposed solid layers containing particles of an electrochemically active material, the first solid layer adhering to the solid substrate and the second solid layer adhering to the first solid layer. The multilayer material has a constant thickness of upper layer not less than 95% and a depth of penetration of the second layer into the first layer which is less than 10% of the thickness of the first layer, and enables as electrode constituent, generators having a low risk of overload degradation to be prepared. | 08-22-2013 |
20130260251 | LITHIUM-TITANIUM COMPLEX OXIDE, AND BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING SAME - A lithium-titanium complex oxide containing Li | 10-03-2013 |
20130260252 | COMPOSITE ELECTRODE ACTIVE MATERIAL, ELECTRODE AND LITHIUM BATTERY CONTAINING THE COMPOSITE ELECTRODE ACTIVE MATERIAL, AND METHOD OF PREPARING THE COMPOSITE ELECTRODE ACTIVE MATERIAL - In some aspects, a composite electrode active material including a core capable of intercalating and deintercalating lithium and a coating layer formed on at least a part of the surface of the core, wherein the coating layer includes a porous carbonaceous material is provided. | 10-03-2013 |
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 |
20130302690 | METHOD FOR COATING CARBON ON LITHIUM TITANIUM OXIDE-BASED ANODE ACTIVE MATERIAL NANOPARTICLES AND CARBON-COATED LITHIUM TITANIUM OXIDE-BASED ANODE ACTIVE MATERIAL NANOPARTICLES PRODUCED BY THE METHOD - Disclosed is a method for carbon coating on lithium titanium oxide-based anode active material nanoparticles. The method includes (a) introducing a lithium precursor solution, a titanium precursor solution and a surface modifier solution into a reactor, and reacting the solutions under supercritical fluid conditions to prepare a solution including nanoparticles of an anode active material represented by Li | 11-14-2013 |
20130309576 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - An object of the present invention is to provide a positive electrode active material for a nonaqueous electrolyte secondary battery etc. which are capable of suppressing a reaction between a positive electrode and an electrolyte decomposition product moved from a negative electrode and a reaction between the positive electrode and the electrolyte, and which are thereby capable of significantly improving battery characteristics such as continuous charge characteristics (particularly, continuous charge characteristics at a high temperature), cycling characteristics, etc. The positive electrode active material includes a compound containing a rare earth element and fluorine and adhered to a surface of a lithium transition metal composite oxide, the compound having an average particle diameter of 1 nm or less and 100 nm or more. | 11-21-2013 |
20130316242 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - According to one embodiment, a non-aqueous electrolyte secondary battery is provided. A negative electrode layer in the battery includes a lithium titanium oxide, and has first region(s) and a second region on a surface. The first region(s) is/are surrounded by the second region and have a lower lithium concentration. The second region has a higher lithium concentration. The negative electrode layer satisfies the formula (I): T | 11-28-2013 |
20130330629 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - According to one embodiment, there is provided a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode including a negative electrode active material layer, and a non-aqueous electrolyte. The negative electrode active material layer contains carbon dioxide and releases the carbon dioxide in the range of 0.1 ml to 5 ml per 1 g when heated at 200° C. for 1 minute. | 12-12-2013 |
20130344389 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - According to one embodiment, there is provided a nonaqueous electrolyte secondary battery. A negative electrode current collector comprises a coated portion on which the negative electrode active material layer is provided and a noncoated portion which is adjacent to the coated portion, in which the negative electrode active material layer is not present. A density of the negative electrode active material layer is within a range of 2.1 g/cc to 2.4 g/cc. A ratio W | 12-26-2013 |
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 |
20140030598 | LITHIUM SECONDARY BATTERY - The present invention provides a lithium secondary battery having reduced internal resistance. The lithium secondary battery comprises a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode comprises, as a positive electrode active material | 01-30-2014 |
20140038057 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a lithium compound and a negative electrode current collector supporting the lithium compound. A log differential intrusion curve obtained when a pore size diameter of the negative electrode is measured by mercury porosimetry has a peak in a pore size diameter range of 0.03 to 0.2 μm and attenuates with a decrease in pore size diameter from an apex of the peak. A specific surface area (excluding a weight of the negative electrode current collector) of pores of the negative electrode found by mercury porosimetry is 6 to 100 m | 02-06-2014 |
20140072875 | POSITIVE-ELECTRODE ACTIVE MATERIAL PARTICLE FOR ALL-SOLID BATTERY AND METHOD FOR PRODUCTION THEREOF - A positive-electrode active material particle for an all-solid battery which includes a sulfide-based solid electrolyte includes an active material core and a reaction-inhibiting layer which contains carbon and with which the active material core is coated. | 03-13-2014 |
20140080003 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - The nonaqueous electrolyte secondary battery of the present invention includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The positive electrode contains a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystal structure. The negative electrode contains a negative electrode active material composed of a Ti-based oxide and an additive composed of fluorinated carbon that reacts with lithium at a more noble potential as compared to the negative electrode active material. In the nonaqueous electrolyte secondary battery of the present invention, the battery voltage reaches a discharge cut-off voltage by a potential change in the negative electrode. | 03-20-2014 |
20140087265 | CATHODE ACTIVE MATERIAL FOR A LITHIUM ION SECONDARY BATTERY AND A LITHIUM ION SECONDARY BATTERY - A cathode active material for a lithium secondary battery, includes secondary particles, each being formed of a large number of primary particles whose mean particle size is equal to or larger than 0.01 μm and equal to or smaller than 5 μm, and includes the following features. An oriented ratio of a (003) plane is equal to or larger than 60%. A mean particle size is equal to or larger than 1 μm and equal to or smaller than 100 μm. An aspect ratio is equal to or larger than 1.0 and is smaller than 2. A voidage is equal to or larger than 3% and equal to or smaller than 30%. A ratio of opened pore is equal to or larger than 70%. A mean pore size of the opened pore is equal to or larger than 0.1 μm and equal to or smaller than 5 μm. | 03-27-2014 |
20140193715 | Lithium Secondary Battery - A lithium secondary battery including an anode active material including mesoporous TiO | 07-10-2014 |
20140212758 | CATHODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND PROCESS FOR ITS PRODUCTION - To provide a cathode active material for a lithium ion secondary battery excellent in the cycle characteristics and rate characteristics even when charging is conducted at a high voltage. A cathode active material for a lithium ion secondary battery, which comprises particles (III) having a covering layer comprising a metal oxide (I) containing at least one metal element selected from the group consisting of elements in Groups 3 and 13 of the periodic table and lanthanoid elements, and a compound (II) containing Li and P, on the surface of a lithium-containing composite oxide comprising lithium and a transition metal element, wherein the atomic ratio of said P to said metal element (P/metal element) contained within 5 nm of the surface layer of the particles (III) is from 0.03 to 0.45. | 07-31-2014 |
20140220448 | PRODUCTION OF NANOSTRUCTURED LI4TI5O12 WITH SUPERIOR HIGH RATE PERFORMANCE - A process of preparing nanostructured lithium titanate particles. The process contains the steps of providing a solvent containing a soft-template compound, a lithium ion-containing compound, and a titanium ion-containing compound; removing the solvent to obtain a lithium titanate precursor; and calcining the precursor followed by milling and annealing. Also disclosed is a nanostructured lithium titanate particle prepared by this process. | 08-07-2014 |
20140242468 | COMPOSITE POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND POSITIVE ELECTRODE AND LITHIUM BATTERY CONTAINING THE MATERIAL - A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi | 08-28-2014 |
20140287314 | SHEET COMPOSITE, MANUFACTURING METHOD THEREOF, AND ELECTRODE AND ELECTROCHEMICAL ELEMENT EMPLOYING SAID COMPOSITE - The present invention relates to a sheet composite of a metal oxide active material 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. The present invention is a sheet composite of a composite material of a metal compound capable of occluding and releasing lithium supported on a carbon material molded in a sheet-shape with a fibrous carbon binder, wherein the fibrous carbon binder of the composite material comprises any of carbon nanotubes, carbon nanofibers, and carbon fibers having a specific surface area of less than 600 m | 09-25-2014 |
20140322609 | PREPARATION METHOD OF LITHIUM TITANIUM COMPOSITE OXIDE DOPED WITH DISSIMILAR METAL, AND LITHIUM TITANIUM COMPOSITE OXIDE DOPED WITH DISSIMILAR METAL PREPARED THEREBY - The present invention relates to a preparation method of a lithium titanium composite oxide doped with a dissimilar metal, and a lithium titanium composite oxide doped with a dissimilar metal prepared thereby, and more particularly, to a preparation method of a lithium titanium composite oxide doped with a dissimilar metal in which sizes of primary particles are finely controlled by doping a dissimilar metal and using a spray-drying method, and a lithium titanium composite oxide doped with a dissimilar metal prepared thereby. | 10-30-2014 |
20140329149 | METHOD FOR PREPARING ELECTRODE MATERIALS AND ELECTRODE MATERIALS PRODUCED THEREFROM - The present invention provides a method for preparing an electrode material, comprising providing an acidic plating bath; adding titanium dioxide in the form of powder, metal salt, and reductant to said acidic plating bath to obtain a precursor; and heat treating said precursor to obtain an electrode material. When the electrode material obtained by said method is applied to batteries, the batteries have not only high capacity, but also long lifetime. | 11-06-2014 |
20140335415 | Battery electrode having elongated particles embedded in active medium - The battery includes one or more electrodes that each has an active layer on a current collector. The active layer including active particles. The active particles include elongated particles embedded in an active medium such that at least a portion of the elongated particles each extends from within the active medium past a surface of the active medium. | 11-13-2014 |
20140335416 | ELECTRIC ENERGY STORAGE DEVICE - An electric energy storage device comprises first and second conductor layers, and positive and negative electrodes. The first conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The second conductor layer has both surfaces coated with ionic or dipole material across entire surface thereof. The positive electrode is attached to the first conductor layer. The negative electrode is attached to the second conductor. The stored electrical energy is discharged and output to the electrodes by using an external AC voltage in a predetermined frequency range as a trigger power. | 11-13-2014 |
20140335417 | LITHIUM-ION SECONDARY BATTERY - A lithium-ion secondary battery ( | 11-13-2014 |
20140363738 | Electrochemical Cells With Glass Containing Separators - A coated method for the preparation of a separator comprising multiple layers of glass or glass and ceramic particles for use in an electrochemical cell, an electrochemical cell comprising such a separator and the use of such an electrochemical cell. The method comprises the steps of providing a mixture of an organic polymeric material, glass or glass and ceramic particles and at least one solvent, and preparing a multilayer by phase inversion. | 12-11-2014 |
20150024273 | LITHIUM COMPOSITE OXIDE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to lithium composite oxide particles which can be produced by mixing nickel-cobalt-manganese-based compound particles, a zirconium raw material and a lithium raw material with each other and then calcining the resulting mixture, and comprise a Zr compound that is allowed to be present on a surface thereof, in which the Zr compound is represented by the chemical formula: | 01-22-2015 |
20150030929 | CONDENSED POLYANION ELECTRODE - The invention relates to electrodes that contain active materials of the formula: Na | 01-29-2015 |
20150044568 | LITHIUM TITANATE AND PRODUCTION METHOD AND USE FOR SAME - A method for manufacturing lithium titanate (Li | 02-12-2015 |
20150050557 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY AND SODIUM-ION BATTERY - A negative electrode active material for a sodium-ion battery includes a Li | 02-19-2015 |
20150140431 | METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERIES, POSITIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY - A method for producing a positive electrode active material for nonaqueous secondary batteries, the positive electrode active material using a polyanionic active material. The method includes the steps of mixing raw materials of the positive electrode active material with each other, pre-calcining the mixed raw materials in an oxidizing atmosphere at a temperature ranging from 400 to 600° C. both inclusive, mixing carbon or an organic substance with a pre-calcinated material yielded through the pre-calcining step, and the step of calcining the pre-calcinated material, with which the carbon or the organic substance is mixed in a reducing atmosphere or an inert atmosphere. | 05-21-2015 |
20150140432 | NONAQUEOUS-SOLVENT BASED ELECTRONIC STORAGE DEVICE - To provide an electric storage device that has excellent charging characteristics, particularly at a low temperature. Provided is a nonaqueous solvent-based electric storage device containing as positive electrode active materials, at least one of a lithium nickel aluminum complex oxides and a spinel-type lithium manganese oxide active material having LiMn | 05-21-2015 |
20150140433 | BATTERY ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A battery active material of the present embodiment includes a first active material and a second active material. The first active material contains a neutral or acidic active material substrate formed of a titanium oxide or a titanate compound, and an inorganic compound layer covering a surface of the active material substrate. The second active material is basic and is formed of a titanium oxide or a titanate compound. The first active material and/or the second active material are covered with a carbon coating layer. | 05-21-2015 |
20150147655 | LITHIUM TRANSITION METAL COMPOSITE PARTICLES, PREPARATION METHOD THEREOF, AND CATHODE ACTIVE MATERIAL INCLUDING THE SAME - Provided are lithium transition metal composite particle including a lithium transition metal oxide particle, a metal-doped layer formed by doping the lithium transition metal oxide particle, and LiF formed on the lithium transition metal oxide particle including the metal-doped layer, a preparation method thereof, and a lithium secondary battery including the lithium transition metal composite particles. | 05-28-2015 |
20150325854 | STRUCTURE OF ELECTRODE FOR ALL-SOLID-STATE BATTERIES - An electrode of an all-solid-state battery has an ionic conductive coating active material and an electronically conductive coating active material. Based on a thickness of the electrode, 50% of the electrode near a current collector is V | 11-12-2015 |
20150333321 | COMPOSITE - According to one embodiment, there is provided a composite. The composite includes active material particles of a titanium composite oxide or oxide of titanium, and a graphene structure including a carbon material. The carbon material has a graphene framework defining a graphene surface. The graphene structure is located in between the active material particles. The graphene structure has at least one side surface in contact with the active material particle. The side surface includes the carbon material whose graphene surface is slanted relative to the side surface. | 11-19-2015 |
20150333322 | COMPOSITE - According to one embodiment, there is provided a composite. The composite includes active material particles of a titanium composite oxide or oxide of titanium, and a graphene structure including a carbon material. The carbon material has a graphene framework defining a graphene surface. The graphene structure is located in between the active material particles. The graphene structure has at least one side surface in contact with the active material particle. The side surface includes the carbon material whose graphene surface is slanted relative to the side surface. | 11-19-2015 |
20150372288 | METHOD FOR PREPARING ANODE FOR SECONDARY BATTERY WITH IMPROVED LIFE PROPERTY - The present invention relates to an anode for secondary battery in which an anode current collector; a buffer layer; and an active material layer are stacked sequentially. The buffer layer of the present invention has a smaller volume change during charge and discharge than the active material layer, and separation of the active material layer from the buffer layer is prevented. | 12-24-2015 |
20160012981 | NEGATIVE ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE | 01-14-2016 |
20160013472 | Lithium Metal Composite Oxide Powder | 01-14-2016 |
20160013482 | Complexometric Precursor Formulation Methodology for Industrial Production of Fine and Ultrafine Powders and Nanopowders of Lithium Metal Oxides for Battery Applications | 01-14-2016 |
20160028081 | LITHIATED TRANSITION METAL OXIDES - Process for the fabrication of an electrode structure comprising an electrochemically active material suitable for use in an energy storage device. The method includes electrodepositing the electrochemically active material onto an electrode in electrodeposition bath containing a non-aqueous electrolyte. The electrode structure can be used for various applications such as electrochemical energy storage devices including high power and high-energy lithium-ion batteries. | 01-28-2016 |
20160036040 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY MODULE, AND BATTERY PACK - According to one embodiment, there is provided a nonaqueous electrolyte battery including a nonaqueous electrolyte, a positive electrode and a negative electrode. The positive electrode includes a positive electrode current collector containing Al, and a positive electrode active material containing layer. The negative electrode includes a negative electrode current collector containing Al, and a negative electrode active material containing layer. The negative electrode active material containing layer includes titanium-containing oxide particles having an average secondary particle size of more than 5 μm. The nonaqueous electrolyte battery satisfies a formula (1) of Lp02-04-2016 | |
20160036048 | COMPOSITE - According to one embodiment, there is provided a composite. The composite includes a graphene sheet material, active material particles, and a carbon layer located between the graphene sheet material and the active material particles. The graphene sheet material includes at least one of a planar graphene sheet of a monoatomic layer and a laminate of 10 layers or less of the planar graphene sheets. The active material particles include a titanium-niobium composite oxide. The carbon layer includes a carbon material having a n-electron system. | 02-04-2016 |
20160049653 | CATHODE COMPOSITIONS FOR SODIUM-ION BATTERIES AND METHODS OF MAKING SAME - A cathode composition for a sodium-ion battery. The cathode composition may have the formula | 02-18-2016 |
20160056457 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES INCORPORATING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCORPORATING THE POSITIVE ELECTRODE - A positive electrode active material according to an aspect of the present invention for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide that has a compound in contact with its surface, the compound containing a rare earth metal and silicic acid and/or boric acid. A positive electrode according to an aspect of the present invention has a positive electrode collector and a positive electrode mixture layer formed on at least one surface of the positive electrode collector. The positive electrode mixture layer contains a positive electrode active material, a binder, and a conductive agent. The positive electrode active material contains a lithium transition metal composite oxide that has a compound in contact with its surface, the compound containing a rare earth metal and silicic acid and/or boric acid. | 02-25-2016 |
20160064728 | ANODE ACTIVE MATERIAL FOR SODIUM ION BATTERY AND SODIUM ION BATTERY - The present invention aims to provide an anode active material for a sodium ion battery with favorable rate characteristic. The object is attained by providing an anode active material for a sodium ion battery comprising an active substance having an MNb | 03-03-2016 |
20160079594 | MANUFACTURING METHOD OF LITHIUM-TITANIUM COMPOSITE OXIDE IN WHICH DIFFERENT METALS ARE DOPED, AND LITHIUM-TITANIUM COMPOSITE OXIDE MANUFACTURED THEREBY IN WHICH DIFFERENT METALS ARE DOPED - Provided is a manufacturing method of a lithium-titanium composite oxide doped with different metals, solid-phase mixing after adjusting a mixing ratio of two kinds of different metals and pulverizing the same, and spray drying the same to adjust contents of impurities, and a lithium-titanium composite oxide doped with different metals manufactured therefrom. By doping two kinds of different metals on the surface of the lithium-titanium composite oxide after adjusting the ratio of the two different metals to be a desirable ratio, the contents of rutile-type titanium dioxide, anatase-type titanium dioxide and Li | 03-17-2016 |
20160104894 | ANODE AND BATTERY USING THE SAME - An anode, an anode current collector, an anode active material and a battery using the anode are provided. The anode includes the anode current collector and the anode active material. The anode current collector has a projection. The anode active material layer is formed via at least one of a vapor deposition method, a liquid-phase deposition method, a sintering method and the like. | 04-14-2016 |
20160118657 | PROCESS FOR MANUFACTURING LITHIUM TITANIUM OXIDES - Provided is lithium titanate that is readily pulverized, and readily dispersed in a binding agent. The lithium titanate is characterized in that the value of a degree of pulverization Zd representing the ratio of the 50% cumulative diameter pre- and post-pulverization is 2 or greater. The lithium titanate is produced by the following steps (1)-(3). (1) a step in which titanyl sulfate or titanium sulfate is thermally hydrolyzed to produce metatitanic acid; (2) a step in which a slurry containing the metatitanic acid is prepared, and the slurry, subsequent to neutralization to bring the pH to 6.0-9.0, undergoes solid-liquid separation, to produce a metatitanic acid-containing titanium starting material having a BET specific surface area of 100-400 m | 04-28-2016 |
20160126545 | PROCESS FOR THE PREPARATION OF LITHIUM TITANIUM SPINEL AND ITS USE - A composite oxide with x wt.—parts Li | 05-05-2016 |
20160141615 | ANODE ACTIVE MATERIAL FOR SODIUM ION BATTERY AND SODIUM ION BATTERY - The problem of the present invention is to provide an anode active material for a sodium ion battery, which may intend to improve safety of the battery. The present invention solves the problem by providing an anode active material for a sodium ion battery including an MNb | 05-19-2016 |
20160149215 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive active material for a rechargeable lithium battery includes a lithium intercalation compound; and lithium titanium oxide represented by Chemical Formula 1 on the surface of the lithium intercalation compound surface. | 05-26-2016 |
20160164083 | NON-STOICHIOMETRIC TITANIUM COMPOUND-CARBON COMPOSITE, METHOD FOR PRODUCING SAME, NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM ION SECONDARY BATTERY - A composite material including a carbon-containing material and a non-stoichiometric titanium compound shown by a chemical formula of Li | 06-09-2016 |
20160190566 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode for a nonaqueous electrolyte secondary battery according to an embodiment of the present disclosure includes a positive electrode current collector mainly composed of aluminum (Al), a protective layer disposed on the positive electrode current collector, and a positive electrode mixture layer containing a lithium-containing transition metal oxide and disposed on the protective layer. The protective layer has a thickness of 1 to 5 μm and contains an electroconductive material and an inorganic compound having an oxidation power lower than that of the lithium-containing transition metal oxide. | 06-30-2016 |
20160190574 | ALKALI METAL TITANIUM OXIDE HAVING ANISOTROPIC STRUCTURE, TITANIUM OXIDE, ELECTRODE ACTIVE MATERIAL CONTAINING SAID OXIDES, AND ELECTRICITY STORAGE DEVICE - Provided are an alkali metal titanium oxide and titanium oxide that have a novel form and are industrially advantageous. The alkali metal titanium oxide is obtained by firing the result of impregnating the surface and interior of pores of porous titanium compound particles with an aqueous solution of an alkali metal-containing component, and has the form of secondary particles resulting from the aggregation of primary particles having an anisotropic structure. The titanium oxide is obtained using the alkali metal titanium oxide as a starting material. The secondary particles can further assume a clumped structure, have a suitable size, and are easily handled, and so are industrially advantageous. In particular, the H | 06-30-2016 |
20160197348 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME | 07-07-2016 |
20160254525 | NEGATIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING A NEGATIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM ION SECONDARY BATTERY | 09-01-2016 |
20190148731 | BINDER FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND USE THEREOF | 05-16-2019 |