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Organic component is a binder

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429122000 - CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS

429209000 - Electrode

429212000 - Having active material with organic component

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DocumentTitleDate
20130045419NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, NEGATIVE ELECTRODE INCLUDING THE SAME AND METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are a negative active material for a rechargeable lithium battery, which includes a first silicon oxide (SiO02-21-2013
20130045420ANODE BATTERY MATERIALS AND METHODS OF MAKING THE SAME - In some embodiments, the present invention provides novel methods of preparing porous silicon films and particles for lithium ion batteries. In some embodiments, such methods generally include: (1) etching a silicon material by exposure of the silicon material to a constant current density in a solution to produce a porous silicon film over a substrate; and (2) separating the porous silicon film from the substrate by gradually increasing the electric current density in sequential increments. In some embodiments, the methods of the present invention may also include a step of associating the porous silicon film with a binding material. In some embodiments, the methods of the present invention may also include a step of splitting the porous silicon film to form porous silicon particles. Additional embodiments of the present invention pertain to anode materials derived from the porous silicon films and porous silicon particles.02-21-2013
20110177390Negative Electrode Mixture for Nonaqueous Electrolyte Secondary Batteries, Negative Electrode for Nonaqueous Electrolyte Secondary Batteries, and Nonaqueous Electrolyte Secondary Battery - A negative electrode mixture for nonaqueous electrolyte secondary batteries that can form a mixture layer showing excellent peel strength with a collector in the manufacturing of negative electrodes for nonaqueous electrolyte secondary batteries is provided. The negative electrode mixture for nonaqueous electrolyte secondary batteries includes at least one inorganic substance selected from hydrogen chloride, hydrogen bromide, sulfuric acid and inorganic salts represented by Formula (A) below, an electrode active material, a polar group-containing vinylidene fluoride polymer and an organic solvent, the inorganic substance being contained at 10 to 500 ppm based on 100 wt % of the electrode active material; MX . . . (A), wherein M is an alkali metal, and X is Cl or Br.07-21-2011
20100112441BINDER FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY - The present invention aims at improving binding continuity, rate property, cycle property and short circuit ratio by lowering a inner resistance of electrode in a secondary battery.05-06-2010
20100112440Lithium and vanadium Oxide li1+aV3O8 (0,1< a < 0,25), method for the preparation thereof - The invention relates to a lithium vanadium oxide.05-06-2010
20120244440RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery, which includes: a negative electrode including a silicon-based negative active material; a positive electrode (including a positive active material capable of intercalating and deintercalating lithium, and a conductive material including a fiber shaped material and a non-fiber shaped material), wherein a weight per unit area of the positive electrode (which is a loading level (LL) of the positive electrode) is about 20 mg/cm09-27-2012
20120244439LITHIUM TITANATE, NEGATIVE ELECTRODE INCLUDING THE LITHIUM TITANATE, AND SECONDARY LITHIUM BATTERY CONTAINING THE ELECTRODE - A negative electrode for a lithium secondary battery that includes, as a negative active material, a lithium titanate (Li09-27-2012
20130084498NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY, AND NEGATIVE ELECTRODE FOR LITHIUM ION BATTERY USING THE SAME - The present invention relates to a negative electrode active material including an Si—Sn—Fe—Cu based alloy, in which an Si phase has an area ratio in a range of from 35 to 80% in the entire negative electrode active material, the Si phase is dispersed in a matrix phase, the matrix phase contains an Si—Fe compound phase crystallized around the Si phase and further contains an Sn—Cu compound phase crystallized to surround the Si phase and the Si—Fe compound phase, the Si—Fe compound phase is crystallized in a ratio of from 35 to 90% in terms of an area ratio in the entire matrix phase, and the matrix phase further contains an Sn phase unavoidably crystallized in the matrix phase in a ratio of 15% or less in terms of an area ratio in the entire matrix phase,04-04-2013
20130040198Lithium Batteries Containing Lithium-Bearing Iron Phosphate and Carbon - The invention relates to lithium-bearing iron phosphate in the form of micrometric mixed aggregates of nanometric particles, to an electrode and cell resulting therefrom and to the method for manufacturing same, which is characterized by a nanomilling step.02-14-2013
20100047689Novel Silver Positive Electrode for Alkaline Storage Batteries - Silver positive electrode for alkali secondary batteries having an enhanced cycling capability, and consequently a longer lifetime in cycling of the storage batteries incorporating it, by optimizing, in recharge mode, the conditions for electrochemically reducing the oxidized silver species. The silver electrode according to the invention is of the plasticized type, and a high-porosity collector, such as a woven fabric, a felt or a reticulated cellular metal foam, is used. The active compound introduced into the collector is prepared in paste form, in which the active material consists of metallic silver particles and/or silver monoxide particles, and may advantageously include a metal oxide acting as pore-forming and wetting agent for the electrode. Such an electrode is particularly intended for mounting in silver-zinc storage batteries operating in open mode or sealed mode.02-25-2010
20100104943Lithium Insertion Electrode Materials Based on Orthosilicates Derivatives - A lithium insertion-type positive electrode material based on an orthosilicate structure and electrical generators and variable optical transmission devices of this material are provided.04-29-2010
20120164531ENERGY STORAGE COMPOSITE PARTICLE, BATTERY NEGATIVE ELECTRODE MATERIAL AND BATTERY - An energy storage composite particle is provided, which includes a carbon film, a conductive carbon component, an energy storage grain, and a conductive carbon fiber. The carbon film surrounds a space. The conductive carbon component and the energy storage grain are disposed in the space. The conductive carbon fiber is electrically connected to the conductive carbon component, the energy storage grain, and the carbon film, and the conductive carbon fiber extends from the inside of the space to the outside of the space. The energy storage composite particle has a high gravimetric capacity, a high coulomb efficiency, and a long cycle life. Furthermore, a battery negative electrode material and a battery using the energy storage composite particle are also provided.06-28-2012
20100068622Electrode Binder Compositions and Electrodes for Lithium Ion Batteries and Electric Double Layer Capacitors - An electrode binder composition comprising at least one metal chelate compound and at least one fluoropolymer. The binder composition used in a battery electrode improves the cohesion of the powdered active electrode material as well as the adhesion strength between the active material layer and the metallic current collector. The invention further relates to battery electrodes containing the binder composition for lithium ion secondary batteries and electric double layer capacitors.03-18-2010
20100021817ELECTRODE STRUCTURE FOR LITHIUM SECONDARY BATTERY AND SECONDARY BATTERY HAVING SUCH ELECTRODE STRUCTURE - An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge of lithium by electrochemical reaction, and a binder of an organic polymer; and a wherein the collector. The main active material layer includes a powder of a support material for supporting the electron conduction of the main active material layer in addition to the metal powder and the powder of the support material are particles having a spherical, pseudo-spherical or pillar shape with an average particle size of 0.3 to 1.35 times the thickness of the main active material layer. The support material is one or more selected from graphite, oxides of transition metals and metals that do not electrochemically form alloy with lithium. Organic polymer compounded with a conductive polymer is used for the binder.01-28-2010
20090311599Negative Electrode Active Material for Lithium Ion Rechargeable Battery and Negative Electrode Using the Same - There is provided a negative electrode for a lithium ion secondary battery high in discharge capacity per unit volume, small in capacity loss at the time of initial charge/discharge, and excellent in rapid charge/discharge characteristics.12-17-2009
20090311600NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME AND METHOD FOR FABRICATION OF NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are a negative electrode for a nonaqueous electrolyte secondary battery, which has a current collector and a mix layer strongly adhered to each other and can increase a capacity of a nonaqueous electrolyte secondary battery, a fabrication method of the negative electrode and a nonaqueous electrolyte secondary battery including the negative electrode.12-17-2009
20090258294Subfluorinated Graphite Fluorides as Electrode Materials - Subfluorinated graphite fluorides of formula CF10-15-2009
20090305135Conductive nanocomposite-based electrodes for lithium batteries - This invention provides a nanocomposite-based lithium battery electrode comprising: (a) A porous aggregate of electrically conductive nano-filaments that are substantially interconnected, intersected, physically contacted, or chemically bonded to form a three-dimensional network of electron-conducting paths, wherein the nano-filaments have a diameter or thickness less than 1 μm (preferably less than 500 nm); and (b) Sub-micron or nanometer-scale electro-active particles that are bonded to a surface of the nano-filaments with a conductive binder material, wherein the particles comprise an electro-active material capable of absorbing and desorbing lithium ions and wherein the electro-active material content is no less than 25% by weight based on the total weight of the particles, the binder material, and the filaments. Preferably, these electro-active particles are coated with a thin carbon layer. This electrode can be an anode or a cathode. The battery featuring such an anode or cathode exhibits an exceptionally high specific capacity, an excellent reversible capacity, and a long cycle life.12-10-2009
20130071743METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE, METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY - A method of manufacturing a lithium-ion secondary battery positive electrode comprises a coating material preparing step of preparing a positive electrode active material layer forming coating material by mixing a positive electrode active material, a binder, a conductive auxiliary, an organic solvent, and water; and an active material layer forming step of forming a positive electrode active material layer on a current collector by using the positive electrode active material layer forming coating material. The binder is polyvinylidene fluoride produced by emulsion polymerization. The positive electrode active material layer forming coating material is prepared in the coating material preparing step such that the amount of water added (% by mass) based on the total amount of the organic solvent and water and the pH of the positive electrode active material satisfy the following expression (1):03-21-2013
20110014521BATTERY WITH BATTERY ELECTRODE AND METHOD OF MANUFACTURING SAME - The invention provides a battery electrode capable of improving a lifespan characteristic (cycle characteristic at the time of high temperature endurance). The battery electrode has a collector and an active material layer formed on a surface of the collector. The active material layer includes a plurality of binders having different specific gravities. The binders are more present at the collector side of the active material layer.01-20-2011
20130164619POSITIVE ELECTRODE FOR SECONDARY BATTERY AND MANUFACTURING METHOD OF POSITIVE ELECTRODE FOR SECONDARY BATTERY - The positive electrode active material layer includes a plurality of particles of a positive electrode active material and a reaction mixture where reduced graphene oxide is bonded to a polymer having a functional group as a side chain. The reduced graphene oxide has a sheet-like shape and high conductivity and thus functions as a conductive additive by being in contact with the plurality of particles of the positive electrode active material. The reaction mixture serves as an excellent binder since the reduced graphene oxide is bonded to the polymer. Therefore, even a small amount of the reaction mixture where the reduced graphene oxide is covalently bonded to the polymer excellently serves as a conductive additive and a binder.06-27-2013
20130164618NON-AQUEOUS SECONDARY BATTERY - A negative electrode active material of a non-aqueous secondary battery of the present invention includes a first active material, a second active material, and a third active material. The first active material is a carbon material having a D/G ratio of 0.15 or less, where G represents the peak intensity observed in a Raman spectrum from 1578 to 1592 cm06-27-2013
20120237826AQUEOUS ACTIVE MATERIAL COMPOSITION, ELECTRODE, AND RECHARGEABLE LITHIUM BATTERY USING THE SAME - An aqueous active material composition, an electrode, and a rechargeable lithium battery including the same, the aqueous active material composition including an active material; a binder; and a water-soluble cellulose mixture, wherein the water-soluble cellulose mixture includes a first cellulose compound having a degree of substitution of about 0.5 to about 0.9 and a second cellulose compound having a degree of substitution of about 1.1 to about 1.5.09-20-2012
20100129713Carbon-Coated Fluoride-Based Nanomaterials for Anode Applications - Electrodes for use in electrochemical cells are provided. The electrode may include a plurality of fluoride-based nanomaterials including calcium or magnesium, wherein a carbon-based film is deposited onto at least some of the nanomaterials. Electrochemical cells comprising the electrodes of the invention are also provided; the electrodes of the invention may act as the negative electrode of the cell.05-27-2010
20130022868TRANSPARENT ELECTROCHEMICAL ENERGY STORAGE DEVICES - A transparent electrochemical energy storage device includes a pair of electrodes and an electrolyte disposed between the electrodes. Each of the electrodes includes a substrate and a set of electrode materials that are arranged across the substrate in a pattern with a feature dimension no greater than 200 μm and occupying an areal fraction in the range of 5% to 70%.01-24-2013
20110129731ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY - Disclosed is an electrode for a lithium-ion secondary battery in which a porous membrane containing an oxide particle having a particle size of 5 nm or more to 100 nm or less is layered on an electrode active material layer; a slurry for a porous membrane comprising an oxide particle having a particle size of 5 nm or more to 100 nm or less, a polymer having a glass-transition temperature of 15° C. or less and a solvent; and a lithium-ion secondary battery comprising a positive electrode, a negative electrode and an electrolyte solution in which at least one of the positive electrode and negative electrode is the electrode of the present invention. The purpose is to provide a porous membrane able to contribute to reduction of an attached matter to a roll when being wound up due to improved retention of inorganic filler on the surface part of the porous membrane for a porous protective membrane provided on the surface of an electrode used for a secondary battery and the like.06-02-2011
20100047690BINDER COMPOSITION, SLURRY FOR ELECTRODES, ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims at providing slurry for electrodes having advantageous homogeneity and stability, an electrode having advantageous homogeneous thickness and density, and further, a nonaqueous electrolyte secondary battery having small variability in battery properties.02-25-2010
20110136010NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode material mixture layer containing a positive electrode active material and a binder and provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode 4 has a tensile extension percentage of 3.0% or more. The binder is made of copolymer containing vinylidene fluoride and hexafluoropropylene.06-09-2011
20090280409BINDER COMPOSITION FOR SECONDARY BATTERY ELECTRODE, SLURRY FOR SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY ELECTRODE - There is provided a binder composition for secondary battery electrode, containing 11-12-2009
20090130558Optimised Positive Electrode Material for Lithium Cell Batteries, Method for the Production Thereof, Electrode, and Battery for Implementing Said Method - A material or compound is provided having a spinel structure and corresponding to the formula Li05-21-2009
20110262811ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery having excellent input/output characteristics and excellent adherence between its electrode material mixture layer and current collector. Disclosed is an electrode for a non-aqueous electrolyte secondary battery, having a current collector and an electrode material mixture layer attached to a surface of the current collector, in which the electrode material mixture layer includes a metal oxide-containing electrode active material and a binder; the oil absorption capacity of the electrode active material is 25 g or more and 200 g or less, per 100 g of the electrode active material; and when the thickness of the electrode material mixture layer is designated as T, an amount W10-27-2011
20120107689BINDER COMPOSITION FOR ELECTRODE - The present invention provides a binder composition for an electrode. The binder composition includes PTFE particles as primary particles uniformly dispersed in an organic solvent at a high concentration. The present invention relates to a binder composition for an electrode, comprising an organosol composition containing PTFE particles (A), a polymer (B), and a fluorine-free organic solvent (C); and no electrode active material (J), wherein the polymer (B) is soluble in the fluorine-free organic solvent (C).05-03-2012
20120107688BINDER FOR LITHIUM ION RECHARGEABLE BATTERY CELLS - An electrode for a rechargeable battery cell includes a substrate, e.g., a current collector and a particulate silicon forming active material in the electrode, along with a cellulose based binder. At least one chelating agent is provided, the chelating agent being capable of binding to the metallic impurities, e.g., divalent and/or trivalent impurities. The binder is mixed with the silicon particles to form a cohesive mass that adheres to the substrate. It has been found that cellulose based binders can also be used in cells where the active material is silicon if a chelating agent is also incorporated. The electrode can be used in a lithium ion rechargeable battery cell.05-03-2012
20120107687POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1.05-03-2012
20100124702High Energy Composite Cathodes for Lithium Ion Batteries - A battery cathode includes carbon particulates, micron-sized particles of vanadium pentoxide modified with poly(pyrrole propanesulphonate), and a polymer binder. The carbon particulates and the micron-sized particles of vanadium pentoxide modified with poly(pyrrole propanesulphonate) are disposed within the polymer binder.05-20-2010
20110171526BINDER COMPOSITION FOR SECONDARY BATTERY ELECTRODE AND METHOD FOR PRODUCING SAME - A binder composition for secondary batteries having excellent stability over time is produced. A method for producing a binder composition for secondary batteries containing at least a polymer and a dispersion medium, which comprises a metal particulate removal step wherein metal particulates contained in a polymer dispersion containing a polymer and a dispersion medium are removed. A binder composition for secondary batteries, which is obtained by the above-mentioned production method and has a metal particulate content of not more than 10 ppm, said metal particulate content is composed of particles formed from a transition metal component and having a particle diameter of not less than 20 μm. A slurry for secondary battery electrodes, which contains the binder composition for secondary batteries and an electrode active material. A secondary battery electrode wherein an electrode active material layer containing the binder composition for secondary batteries and a positive electrode active material or a negative electrode active material is adhered to a collector. A secondary battery comprising the secondary battery electrode.07-14-2011
20110269018ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE USING THE SAME - An electrode for an electrochemical device of the present invention includes an electrode mixture layer that includes a lithium-containing composite oxide expressed by the general composition formula (1): Li11-03-2011
20080286652Lithium hydride negative electrode for rechargeable lithium batteries - A lithium battery comprises a negative electrode composition that uses lithium hydride and a second metal. The negative electrode composition is activated by infusing lithium into particles of the second metal hydride to form lithium hydride and the second metal. As the battery is discharged lithium is released from the electrode and the second metal hydride formed. Charging of the battery re-infuses lithium into the negative electrode composition with the re-formation of lithium hydride.11-20-2008
20080286653NON-AQUEOUS ELECTROLYTE BATTERY AND PRODUCING METHOD THEREOF - A non-aqueous electrolyte battery of the present invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode includes a molded body made by compression molding a granulated material containing a negative electrode active material, a conductive agent, and a binder. The negative electrode active material includes a Si-containing material. Volume-based 90% particle size R (D11-20-2008
20080311471Non-aqueous electrolyte secondary battery and production method thereof - A method for producing a non-aqueous electrolyte secondary battery comprising the steps of: (i) mixing a positive electrode active material, a first binder A and a dispersion medium to prepare a paste A, the active material comprising a lithium-containing transition metal oxide; (ii) mixing a conductive agent, a second binder B and a dispersion medium to prepare a paste B, the conductive agent comprising carbon black; (iii) mixing the paste A and the paste B to prepare a positive electrode material paste C; (iv) applying the positive electrode material paste C onto a positive electrode core member and rolling and drying the resultant member to prepare a positive electrode; and (v) fabricating a battery using the positive electrode, a negative electrode and a non-aqueous electrolyte, wherein contact angle θ12-18-2008
20110143198BINDER AND POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A rechargeable lithium battery includes a binder for a rechargeable lithium battery, and a positive active material composition. The binder for the rechargeable lithium battery includes a nitrile-based polymer nanoparticle and a fluorine-containing polymer nanoparticle.06-16-2011
20090136846NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative electrode for rechargeable lithium batteries includes a current collector, a porous active material layer having a metal-based active material disposed on the current collector, and a high-strength binder layer on the porous active material layer. The high-strength binder layer has a strength ranging from 5 to 70 MPa. The negative active material for a rechargeable lithium battery according to the present invention can improve cycle-life characteristics by suppressing volume expansion and reactions of an electrolyte at the electrode surface.05-28-2009
20110206986NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative active material for a rechargeable lithium battery including a flake powder including a plurality of flakes, each flake including a plurality of silicon atoms and a plurality of oxygen atoms, wherein an oxygen atom amount for each flake ranges from 5 wt % to 38 wt % based on a total amount of silicon atoms and oxygen atoms, each flake having a thickness ranging from 30 nm to 500 nm and a ratio of an average longest dimension to the thickness ranging from 10 to 100.08-25-2011
20090186273NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A negative active material for rechargeable lithium batteries and a method of manufacturing the negative active material are provided. The negative active material for rechargeable lithium batteries includes at least one generally spherical assembly having flake-shaped materials that are capable of doping and dedoping lithium, and are arranged in a generally spherical shape defining a central pore. The negative active material imparts improved cycle-life characteristics.07-23-2009
20090186272CATHODE AND LITHIUM BATTERY INCLUDING THE SAME - Provided are a cathode and a lithium battery including the cathode. The cathode includes a cathode active material that includes an oxide represented by the following Formula 1:07-23-2009
20090061313NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCING METHOD OF ELECTRODE - A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, an electrolyte, and a porous protective film formed on either one or both surfaces of the positive and negative electrodes. The porous protective film includes a binder, fine particles, and a surfactant.03-05-2009
20090246632Lithium secondary battery and method of manufacturing the same - A lithium secondary battery contains a negative electrode binder containing a polyimide resin having a structure represented by the following chemical formula (1), and the polyimide resin having a molecular weight distribution such that the weight ratio of a polyimide resin having a molecular weight of less than 100,000 and a polyimide resin having a molecular weight from 100,000 to less than 200,000 is from 50:50 to 90:10:10-01-2009
20110143199NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes: a positive electrode 4 including a positive electrode current collector and a positive electrode material mixture layer containing a positive electrode active material and a binder and provided on the positive electrode current collector; a negative electrode 5; a porous insulating layer 6 interposed between the positive electrode 4 and the negative electrode 5; and a nonaqueous electrolyte. The positive electrode 4 has a tensile extension percentage of 3.0% or more. The binder is made of polyvinylidene fluoride. The positive electrode current collector has a softening temperature lower than a crystalline melting point of the binder.06-16-2011
20110229760CARBOXYMETHYLCELLULOSE OR SALT THEREOF FOR ELECTRODES OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND AQUEOUS SOLUTION THEREOF - The present invention provides carboxymethylcellulose or a salt thereof that can prevent defects such as streaks and pinholes from occurring in the obtained electrode when it is used as a binder for an electrode of a nonaqueous electrolyte secondary battery.09-22-2011
20090117461Electrode for lithium primary and secondary (rechargeable) batteries and the method of its production - The present invention relates to a method for production of electrodes for Li-primary and Li-ion batteries based of using two types of binder. The first binder is soluble in organic solvent and second binder is insoluble in organic solvent during the process of slurry preparation. Combination of the slurry composition and conditions of the electrode temperature treatment decrease the cathode production complexity, improve electrochemical characteristics of the electrode, increase adhesion properties and flexibility of coating, and reduce the interface resistance between the current collector and electrode mass.05-07-2009
20090239147POLYMER COMPOSITION, PASTE FOR USE IN ELECTRODE FOR SECONDARY BATTERY, AND ELECTRODE FOR SECONDARY BATTERY - A polymer composition comprising (a) a fluorine-containing polymer and (b) a functional group-containing polymer which contains a structural unit originating from an alkyl (meth)acrylate and a structural unit originating from at least one monomer selected from the group consisting of a sulfonic acid group-containing unsaturated monomer, an amide group-containing unsaturated monomer, and a sulfonic acid group and amide group-containing unsaturated monomer is provided.09-24-2009
20120196184NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a nonaqueous electrolyte secondary battery in which a negative-electrode active material containing a graphite material and silicon or a silicon compound is used and which has an excellent charge-discharge cycle characteristic. In the nonaqueous electrolyte secondary battery, the negative-electrode active material used is an active material containing a graphite material and silicon or a silicon compound, and the negative electrode binder used comprises a polyimide and polyvinylpyrrolidone.08-02-2012
20130216910HIGH CAPACITY ALLOY ANODES AND LITHIUM-ION ELECTROCHEMICAL CELLS CONTAINING SAME - A lithium-ion electro-chemical cell that includes a cathode that includes an electrochemically-active metal oxide coating on a first current collector, an electrolyte, and an anode that includes an electrochemically-active alloy coating on a second current collector. Both the anode and the cathode have a reversible capacity of greater than 4.5 mAh/cm08-22-2013
20100323242ELECTRODE BINDER FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME - Disclosed is an electrode binder for a secondary battery, an electrode including the electrode binder, and the secondary battery. The disclosed electrode binder for the secondary battery includes a polymer whose cohesion force with a metal (loid) electrode active material is equal to or more than 100 gf/cm, and adhesion force with an electrode current collector ranges from 0.1 gf/mm to 70 gf/mm, the metal (loid) electrode active material being capable of reversibly storing and discharging lithium, wherein the polymer includes at least one kind selected from the group including polyamide imide, polyamide, polyacrylonitrile, polyacrylic acid and polyvinyl alcohol.12-23-2010
20090087743ELECTRODE, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE ELECTRODE - An electrode includes a current collector and an active material layer on top of the current collector, wherein the active material layer includes an active material and a binder, and a complex of a first conductive agent and a binding agent is formed on a surface of the active material; a method of manufacturing the same, and a lithium battery including the electrode.04-02-2009
20080274404Graphite Particles and Lithium Secondary Battery Using The Same As Negative Electrode - A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8 m11-06-2008
20110117431LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - A lithium secondary battery including an electrode assembly and a non-aqueous electrolyte impregnated in the electrode assembly, the electrode assembly containing a positive electrode, a negative electrode having a negative electrode current collector and a negative electrode mixture layer formed on the negative electrode current collector, the negative electrode mixture layer containing a binder and negative electrode active material particles, the negative electrode active material particles containing at least one of silicon and a silicon alloy, and a separator interposed between the negative electrode and the positive electrode. The binder contains a polyimide resin having a branch structure formed by imidizing a polyvalent amine having a valency of 3 or more and a tetracarboxylic dianhydride.05-19-2011
20100297498PLASTICIZED ELECTRODE FOR AN ALKALINE SECONDARY CELL - There are provided a non-sintered positive electrode for an alkaline secondary cell comprising a current conductive support and a paste comprising an electrochemically active material and a binder comprising at least one polymer a) other than a fluorinated polymer or a thickener and containing at least one acrylate or acetate function, in a weight percentage less than or equal to 1% of the weight of the paste, at least one fluorinated polymer b), in a weight percentage of from 0.5 to 4% of the weight of the paste and at least one thickener c) in a weight percentage less than or equal to 0.3% of the weight of the paste, and a method of producing a non-sintered electrode.11-25-2010
20110111295ANODE COMPOSITE FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL - To provide an anode composite for a nonaqueous electrolyte secondary cell, whereby the properties of the material constituting an electrode can be fully obtained.05-12-2011
20110008676ANODE FOR LITHIUM-ION CELL AND METHOD OF MAKING THE SAME - The disclosure of the present application provides various compositions, and methods for preparing the same, which may be useful, for example, to prepare one or more anodes of the present disclosure. Such anodes may be useful, for example, to prepare one or more batteries which themselves, for example, may be useful in connection with a vehicle as referenced herein. In at least one embodiment of an anode of the present disclosure, the anode comprises lithium-based compound having the formula Li01-13-2011
20110244326ELECTRODE FOR SECONDARY BATTERY AND MANUFACTURING PROCESS FOR THE SAME - It is an assignment to be solved to provide an electrode for secondary battery, electrode in which the active material is suppressed from coming off or falling down from the electricity collector, and that has excellent cyclic performance.10-06-2011
20110003203ELETRODE AND BATTERY HAVING THE SAME - An electrode includes: a collector; and an active material layer provided on the collector, containing a copolymer obtained by copolymerizing, as a comonomer, at least one member selected from monomers represented by the following general formulae (1) to (4) with vinylidene fluoride or vinylidene fluoride and a copolymerizable monomer thereof01-06-2011
20110086268ELECTRODES INCLUDING POLYACRYLATE BINDERS AND METHODS OF MAKING AND USING THE SAME - Provided is an electrode composition comprising a powdered material capable of undergoing lithiation and delithiation, and a non-elastomeric binder comprising lithium polyacrylate, along with methods of making and using the same, as well as electrochemical cells incorporating the same.04-14-2011
20110212364POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE AND METHOD OF MANUFACTURING THE SAME - A positive electrode for a non-aqueous electrolyte secondary battery, having a positive electrode current collector and a positive electrode active material layer formed on the positive electrode current collector and containing LiCoO09-01-2011
20110081575ACTINIC AND ELECTRON BEAM RADIATION CURABLE ELECTRODE BINDERS AND ELECTRODES INCORPORATING SAME - A process for manufacturing an electrode utilizing electron beam (EB) or actinic radiation to cure electrode binding polymers is provided. A process is also disclosed for mixing specific actinic or EB radiation curable chemical precursors with electrode solid particles, application of the mixture to an electrode current collector, followed by the application of actinic or EB radiation to the current collector for curing the polymer, thereby binding the electrode material to the current collector. Lithium ion batteries, electric double layer capacitors, and components produced therefrom are also provided.04-07-2011
20120202118LITHIUM PRIMARY BATTERY - A lithium primary battery including: a positive electrode 1 using iron disulfide as a positive electrode active material, wherein the positive electrode 1 includes a positive electrode mixture containing the positive electrode active material and a conductive agent, and a positive electrode core which is made of a porous metal member, and is filled with the positive electrode mixture, the iron disulfide has an average particle size of 20-50 μm, the conductive agent has a specific surface area of 300 m08-09-2012
20090111022ELECTRODE COMPOSITIONS AND METHODS - Provided is an electrode composition comprising an active material that includes cobalt, tin, and carbon along with methods of making and using the same. Also provided are electrodes that include the provided electrode compositions, electrochemical cells that include the provided electrodes, and battery packs that include at least one of the provided electrochemical cells. In some embodiments, the composition also includes iron.04-30-2009
20110052985ELECTRODE STRUCTURE AND ELECTRIC ENERGY STORAGE DEVICE - Provided is an electrode structure having a high power density and being superior in repetitive charge/discharge efficiency and an electric energy storage device using the electrode structure. The electrode structure includes an electrode material layer including an electrode material including active material particles containing at least one of silicon, tin and alloys containing at least one of them, and a binder binding the active material particles, the binder has the following characteristics: tensile modulus: 2000 MPa or more, breaking strength: 100 MPa or more, break elongation: 20% to 120% and the ratio of breaking strength/break elongation >1.4 (MPa/%), and an average particle size of the particles is 0.5 μm or less, the electrode structure has a maximum thermal history temperature less than 350° C. and lower than the glass transition temperature of the binder. The electric energy storage device uses, as its negative electrode, the electrode structure.03-03-2011
20100330421CORE-SHELL HIGH CAPACITY NANOWIRES FOR BATTERY ELECTRODES - Provided are nanostructures containing electrochemically active materials, battery electrodes containing these nanostructures for use in electrochemical batteries, such as lithium ion batteries, and methods of forming the nanostructures and battery electrodes. The nanostructures include conductive cores, inner shells containing active materials, and outer shells partially coating the inner shells. The high capacity active materials having a stable capacity of at least about 1000 mAh/g can be used. Some examples include silicon, tin, and/or germanium. The outer shells may be configured to substantially prevent formation of Solid Electrolyte lnterphase (SEI) layers directly on the inner shells. The conductive cores and/or outer shells may include carbon containing materials. The nanostructures are used to form battery electrodes, in which the nanostructures that are in electronic communication with conductive substrates of the electrodes.12-30-2010
20110136009RECHARGEABLE BATTERY USING AN AQUEOUS BINDER - A battery includes a positive electrode mix having a positive electrode active material, a water soluble binder including a poly (acrylonitrile-co-acrylamide) polymer and water, and a conductive additive. The battery also includes a negative electrode mix having a negative electrode active material, a water soluble binder including a poly (acrylonitrile-co-acrylamide) polymer and water, and a conductive additive or additives. The battery also includes an electrolyte.06-09-2011
20100183922ACTIVE MATERIAL FOR BATTERY AND BATTERY HAVING THE SAME - An active material for a battery includes an electrochemically reversibly oxidizable and reducible base material selected from the group consisting of a metal, a lithium-containing alloy, a sulfur-based compound, and a compound that can reversibly form a lithium-containing compound by a reaction with lithium ions and a surface-treatment layer formed on the base material and comprising a compound of the formula MXO07-22-2010
20100159322CATHODE AND BATTERY INCLUDING SAME - A cathode and a battery including the cathode are provided. The cathode includes a cathode mixture layer with a cathode active material and a binder. The binder can include, for example, a synthetic rubber latex and a thickener, polyvinylidene fluoride denaturalized by maleic acid and/or the like.06-24-2010
20100159323Graphite Particles And Lithium Secondary Battery Using The Same As Negative Electrode - A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8 m06-24-2010
20120034523NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material may include a metal oxide in an amount of about 20 wt % or more, and has a specific surface area of about 500 m02-09-2012
20090202907NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING ELECTRODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery comprising a positive electrode 08-13-2009
20110189541SECONDARY LITHIUM BATTERY - It is an object to provide a cathode for a secondary lithium battery in which adhesiveness and flexibility thereof are simultaneously achieved and the thickness thereof is made large, and the secondary lithium ion battery that has a large capacity and is excellent in safety and cycle life using the cathode.08-04-2011
20110189542Graphite Particles And Lithium Secondary Battery Using The Same As Negative Electrode - A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8 m08-04-2011
20120308889NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative electrode including a shape memory polymer represented by the following Chemical Formula 1 and having a weight average molecular weight ranging from 5,000 to 300,000 and a rechargeable lithium battery including the negative electrode:12-06-2012
20090186274BATTERY - A battery including a positive electrode, a negative electrode and an electrolytic solution, wherein the negative electrode has a negative electrode active material layer containing a carbon material and a binder and having a thickness per one face of 70 μm or more and not more than 120 μm; and the binder contains a copolymer A which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride (PVDF) and from 0 to 4 parts by weight of hexafluoropropylene (HFP) and a copolymer B which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride and from 5 to 12 parts by weight of hexafluoropropylene in a mass content ratio of A/B of from 60/40 to 90/10.07-23-2009
20110111294High Capacity Anode Materials for Lithium Ion Batteries - High capacity silicon based anode active materials are described for lithium ion batteries. These materials are shown to be effective in combination with high capacity lithium rich cathode active materials. Supplemental lithium is shown to improve the cycling performance and reduce irreversible capacity loss for at least certain silicon based active materials. In particular silicon based active materials can be formed in composites with electrically conductive coatings, such as pyrolytic carbon coatings or metal coatings, and composites can also be formed with other electrically conductive carbon components, such as carbon nanofibers and carbon nanoparticles. Additional alloys with silicon are explored.05-12-2011
20110305951BINDER RESIN PRECURSOR SOLUTION COMPOSITION FOR ELECTRODE - A binder resin precursor solution composition for electrode containing at least (A) a polyamic acid having repeating units represented by chemical formulae (1) and (2) in a (1) to (2) molar ratio of 2:8 to 8.5:1.5 and having a tetracarboxylic acid component to diamine component molar ratio of 0.94 to 0.99, (B) a carboxylic acid compound having two pairs of carboxyl groups in the molecule thereof or an ester thereof, and (C) a solvent.12-15-2011
20120040246Fiber Electrode for Lithium Secondary Battery, Fabrication Method Therefor, and Lithium Secondary Battery Including Fiber Electrode - Provided is a method for mass manufacturing, at low cost, of a fiber positive electrode for a lithium secondary battery, which has excellent charge/discharge cycle characteristics, and which is capable of charging/discharging with high current density, and a main active material of which is a lithium-doped transition metal oxide. The method includes the steps of: (a) forming a tubular coating of either a transition metal oxide or a transition metal hydroxide on a carbon fiber current collector; and (b) performing, in a lithium ion containing solution in a sealed system under presence of an oxidant or a reductant, heat treatment at 100 to 250° C. on the carbon fiber current collector, on which the tubular coating of either the transition metal oxide or the transition metal hydroxide is formed, to obtain a coating of a lithium-doped transition metal oxide on the carbon fiber current collector. Further provided are: a fiber negative electrode for a lithium secondary battery, which has high current density, high energy density, and excellent charge/discharge cycle characteristics, and which can be fabricated in a relatively easy manner; and a method for fabricating the fiber negative electrode. The fiber negative electrode for a lithium secondary battery includes: (c) a carbon fiber current collector; (d) an outer layer which is a tubular composite layer of a Sn oxide and M02-16-2012
20100062336PLASTICIZED ELECTRODE FOR AN ALKALINE BATTERY - An electrode comprising a metallic conductive support and a paste comprising an electrochemically active substance and a binder; the binder comprising at least one ethylene-vinyl acetate copolymer in a proportion by weight of at least approximately 0.25% relative to the weight of said paste, the binder comprising neither polystyrene nor butadiene copolymer. An alkaline-electrolyte battery comprising such an electrode.03-11-2010
20110318638POSITIVE ELECTRODE MIXTURE SLURRY FOR LITHIUM SECONDARY BATTERIES, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY THAT USE SAID SLURRY - The invention provides a stable positive-electrode mixture slurry that is not subject to gelation, a positive electrode with abundant flexibility, and a lithium secondary battery with excellent battery characteristics. The slurry comprises a positive-electrode active material, a binder, and an organic solvent, the positive-electrode active material is a lithium-containing complex metal oxide represented by Formula: Li12-29-2011
20120003533METAL OXIDE NEGATIVE ELECTRODES FOR LITHIUM-ION ELECTROCHEMICAL CELLS AND BATTERIES - Provided are negative electrode compositions for lithium-ion electrochemical cells that include metal oxides and polymeric binders. Also provided are electrochemical cells and battery packs that include electrodes made with these compositions.01-05-2012
20120015246WATERBORNE FLUOROPOLYMER COMPOSITION - This invention relates to a waterborne fluoropolymer composition useful for the fabrication of Li-Ion-Battery (LIE) electrodes. The fluoropolymer composition contains an organic carbonate compound, which is more environmentally friendly than other fugitive adhesion promoters currently used in waterborne fluoropolymer binders. An especially useful organic carbonate compound is ethylene carbonate (EC) and vinylene carbonate (VC), which are solids at room temperature, and other carbonates which are liquid at room temperature such as propylene carbonate, methyl carbonate and ethyl carbonate. The composition of the invention is low cost, environmentally friendly, safer, and has enhanced performance compared to current compositions.01-19-2012
20110165459LITHIUM ION BATTERY - In a lithium ion battery, one or more chelating agents may be attached to a microporous polymer separator for placement between a negative electrode and a positive electrode or to a polymer binder material used to construct the negative electrode, the positive electrode, or both. The chelating agents may comprise, for example, at least one of a crown ether, a podand, a lariat ether, a calixarene, a calixcrown, or mixtures thereof. The chelating agents can help improve the useful life of the lithium ion battery by complexing with unwanted metal cations that may become present in the battery's electrolyte solution while, at the same time, not significantly interfering with the movement of lithium ions between the negative and positive electrodes.07-07-2011
20090042100NON-AQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE USED THEREIN - In a negative electrode for a non-aqueous electrolyte battery, in which a negative electrode active material layer (02-12-2009
20120064407POLYMER ACIDS AS PH-REDUCING BINDER OR AGENT FOR AQUEOUS LITHIUM-ION BATTERIES - A positive electrode includes positive active material, conductive additive, water soluble polymer, water coated on the current collector. The slurry includes an active material, a water soluble binder, water, and a carboxylic acid-containing polymer sufficient to reduce the pH of the liquid slurry to a level below about 11.8. A method of forming an electrode is also disclosed.03-15-2012
20120070737BINDER COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, AND ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a binder composition for a rechargeable lithium battery including a cross-linked compound of polyacrylic acid substituted with an alkali cation and polyvinyl alcohol and an electrode and rechargeable lithium battery including the same. The cross-linked compound of polyacrylic acid and polyvinyl alcohol is obtained by heating polyacrylic acid and polyvinyl alcohol to effect a cross-linking reaction via esterification. The cross-linked compound of polyvinyl alcohol and polyacrylic acid substituted with an alkali cation may improve phase stability of a binder, and has high cross-linking ratio, thereby providing for excellent performance of a rechargeable lithium battery.03-22-2012
20120107690ELECTRODE FOR SECONDARY BATTERY, SLURRY FOR SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY - A secondary battery electrode which suppresses decrease in capacity and lithium deposition at low temperatures is provided. An electrode for a secondary battery includes an electrode active material layer containing a polymer having a cationic group, an anion corresponding to the cationic group, and an electrode active material, and the cation density in the polymer is 0.1 to 15 meq/g.05-03-2012
20110091771COATING LIQUID, COATING LIQUID FOR MANUFACTURING ELECTRODE PLATE, UNDERCOATING AGENT, AND USE THEREOF - This invention relates to a coating formulation, a coating formulation for manufacturing an electrode plate and an undercoating formulation, and their use. These coating formulations are all characterized by containing, in a polar solvent, a hydroxyl-containing resin and an organic acid and/or a derivative thereof. The hydroxyl-containing resin is at least one of (1) a polyvinyl acetal resin, (2) an ethylene-vinyl alcohol copolymer, (3) a modified and/or unmodified polyvinyl alcohol, and (4) a cyanoethyl-containing polymer. According to the present invention, there is provided a coating formulation capable of forming a coating of excellent adhesion and solvent resistance on a surface of a metal material such as an aluminum material. Also provided are a coating formulation for manufacturing an electrode plate for a battery or a polarizable electrode plate for a capacitor, in which an active material layer has excellent adhesion to a collector made of an aluminum foil, copper foil or the like and is also equipped with excellent electrolyte resistance and improved contact resistance to the collector, an undercoating formulation, the electrode plate and its manufacturing process, the battery, and the capacitor.04-21-2011
20120315543COIN-TYPE LITHIUM SECONDARY BATTERY - A coin-type lithium secondary battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The negative electrode includes a negative electrode active material including a silicon alloy material, a conductive agent including a carbon material, and a binder. The silicon alloy material includes a phase A including a lithium-silicon alloy and a phase B including an intermetallic compound of a transition metal element and silicon. In the lithium-silicon alloy, a ratio of lithium atoms relative to silicon atoms is 2.75 to 3.65 in a 100% state-of-charge.12-13-2012
20120129048BINDER FOR LITHIUM SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, BINDER PRECURSOR SOLUTION FOR LITHIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY - Provided is a binder capable of realizing a lithium secondary battery that includes a negative electrode including a negative-electrode active material layer containing at least one of silicon and a silicon alloy as a negative-electrode active material and also containing a binder and has an excellent charge-discharge cycle characteristic. The binder for the lithium secondary battery contains a polyimide resin that is formed by imidizing either a tetracarboxylic acid or a tetracarboxylic anhydride and a diamine, the polyimide resin having a hydrolyzable silyl group.05-24-2012
20110183204Polymer materials as binder for a CFx cathode - Lithium anode based battery systems can use polymeric binding materials to act as particulate binders for fluorinated carbon based electrodes. The binders mechanically hold electrochemically active particles together, while inhibiting lithium fluoride crystallization that generates unwanted heat release in a discharging battery. Polymeric binders that include positively-charged groups, negatively-charged groups, electron deficient π-anion receptor groups, or boronate-based fluoride receptor group can be used alone or in combination.07-28-2011
20110183203Polymer supported electrodes - Methods and devices arising from the practice thereof for making and using battery electrodes formed onto ion permeable, electrically non-conductive substrates, preferably battery separators are disclosed herein. Electrodes are formed onto substrates using a variety of methods including, but not limited to, spray coating and electrophoretic deposition. Electrically conductive layers may be applied to the electrode coating layer side opposite or adjacent to the substrate to act as current collectors for the battery. Multilayer devices having alternating layers of conductive layers, electrode layers and substrates, wherein the conductive layers may be in electrical communication with other conductive layers to form a battery.07-28-2011
20120135308BINDER FOR LITHIUM ION RECHARGEABLE BATTERY CELLS - An electrode for lithium ion recharged battery cell includes current collectors, a cathode layer, a separator and a cohesive anode mass. The cohesive anode mass includes silicon as an active material and a polymeric binder. The polymeric binder is a homo-polymer or copolymer of one or more monomers selected from the group consisting of acrylic acid, 3-butenoic acid, 2-methacrylic acid, 2-pentenoic acid, 2,3-dimethylacrylic acid, 3,3-dymethylacrylic acid, trans-butenedioc acid, cis-butenedioc acid and itaconic acid and optionally an alkali metal salt thereof. The silicon can include 20 to 100% of the active material in the cohesive mass. The binder is mixed with the silicon to form the cohesive mass that adheres to the current collector and maintains the cohesive mass in electrical contact with the current collector.05-31-2012
20100173196POLYMER COMPOSITION, PASTE FOR USE IN ELECTRODE FOR SECONDARY BATTERY, AND ELECTRODE FOR SECONDARY BATTERY - A paste for a secondary battery electrode, comprising an electrode active material and a polymer composition comprising (a) a fluorine-containing polymer and (b) a functional group-containing polymer which contains a structural unit originating from an alkyl (meth)acrylate and a structural unit originating from at least one monomer selected from the group consisting of a sulfonic acid group-containing unsaturated monomer, an amide group-containing unsaturated monomer, and a sulfonic acid group and amide group-containing unsaturated monomer is provided.07-08-2010
20120251881Galvanic Element - A galvanic element, for example a battery or an accumulator, in particular a lithium-ion cell, includes a negative electrode, a positive electrode, and a separator lying between the negative electrode and the positive electrode. In order to increase the specific capacitance, the negative electrode includes at least one layer system, said layer system including at least two graphene layers and at least one polymer layer. A polymer layer lies between two graphene layers.10-04-2012
20090053603Binder for Electrode of Non-Aqueous Electrolyte Secondary Battery, Electrode, and Non-Aqueous Electrolyte Secondary Battery - The present invention provides a binder for an electrode of a non-aqueous electrolyte secondary battery comprising a copolymer, wherein the copolymer contains 0.0005˜0.05 moles of group of an acid having nitrogen family element or chalcogen element or 0.0005˜0.05 moles of group of salts of the acid per 100 g of the copolymer. The binder exhibits excellent dispersion of an active material for an electrode.02-26-2009
20100273052NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery using electrodes including a mixture layer formed on a current collector by using an aqueous slurry is provided to enable efficient battery production, have a high adhesion strength in the electrode and enable improved battery performance. The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte, wherein at least one of the positive and negative electrodes is an electrode obtained by: forming a precoat layer 10-28-2010
20090061312Method of producing graphite-carbon composite electrodes for supercapacitors - A method of producing a composite electrode having a specific surface area of at least 100 m03-05-2009
20120315542ELECTRODE COATED WITH METAL DOPED CARBON FILM - Disclosed is an electrode coated with a metal-doped carbon film.12-13-2012
20090325069BINDER FOR ELECTRODE FORMATION, SLURRY FOR ELECTRODE FORMATION USING THE BINDER, ELECTRODE USING THE SLURRY, RECHARGEABLE BATTERY USING THE ELECTRODE, AND CAPACITOR USING THE ELECTRODE - Disclosed is a binder for electrode formation, which is obtained by dispersing a polyolefin resin containing 50 to 98% by mass of an unsaturated hydrocarbon having 3 to 6 carbon atoms and 0.5 to 20% by mass of an unsaturated carboxylic acid unit in an aqueous medium together with a basic compound. This binder for electrode formation is also characterized in that the content of a nonvolatile water-compatibilizing agent is 5 parts by mass or less per 100 parts by mass of the polyolefin resin.12-31-2009
20110123864POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR MANUFACTURING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive electrode for a rechargeable lithium battery including a net-type current collector and a positive active material layer formed on both sides of the current collector and also including a positive active material and a binder and having a thickness of about 150 μm or more, a method of manufacturing the same, and a rechargeable lithium battery including the same.05-26-2011
20120231337AQUEOUS PASTE FOR ELECTROCHEMICAL CELL, ELECTRODE PLATE FOR ELECTROCHEMICAL CELL OBTAINED BY APPLYING THE AQUEOUS PASTE, AND BATTERY COMPRISING THE ELECTRODE PLATE - The aqueous paste for an electrochemical cell of the present invention comprises an aqueous dispersion for an electrochemical cell that comprises an olefin copolymer (a); an active material; and a conductive assistant, wherein the olefin copolymer (a) has a weight average molecular weight of not less than 50,000 and is at least one kind selected from a random propylene copolymer (a-1) containing 50% by weight to less than 85% by weight of a structural unit derived from propylene; an acid-modified random propylene copolymer (a-2) obtained by modifying the copolymer (a-1) with an acid; and an ethylene-(meth) acrylic acid copolymer (a-3) containing 5% by weight to less than 25% by weight of a structural unit derived from (meth) acrylic acid.09-13-2012
20120231336ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrode for a rechargeable lithium battery includes an electrode active material and a copolymer represented by09-13-2012
20080299457NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery including a positive electrode including a positive electrode current collector carrying a positive electrode material mixture layer thereon, a negative electrode including a negative electrode current collector carrying a negative electrode material mixture layer thereon, a separator provided between the positive electrode and the negative electrode and a nonaqueous electrolyte solution, wherein the positive electrode current collector is a conductive body containing aluminum and the positive electrode material mixture layer includes a first material mixture layer and a second material mixture layer formed on the first material mixture layer. The first material mixture layer is made of a first material mixture containing a first organic material which is soluble or dispersible in water and the second material mixture layer is made of a second material mixture containing a second organic material which is soluble or dispersible in an organic solvent.12-04-2008
20110039156CATHODE PLATE OF A LITHIUM ION BATTERY AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a cathode plate of a lithium ion battery. The cathode plate includes a carbon film cathode current collector and a cathode film containing cathode active material formed on the carbon film cathode current collector. The carbon film cathode current collector can remarkably improve the electrochemical performance and the safety performance of the lithium ion battery.02-17-2011
20100178560Negative active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same - A negative active material for a rechargeable lithium battery, a method of preparing the negative active material, and a rechargeable lithium battery including the negative active material. The negative active material for a rechargeable lithium battery includes lithium titanium oxide (Li07-15-2010
20100233538Open porous electrically conductive nanocomposite material - Nanocomposits of conductive, nanoparticulate polymer and electronically active material, in particular PEDOT and LiFePO09-16-2010
20120094178COMPOSITION FOR A SECONDARY BATTERY CELL - Composite electrode material for a rechargeable battery cell includes an electroactive material; and a polymeric binder including pendant carboxyl groups, characterised in that (i) the electroactive material includes one or more components selected from the group including an electroactive metal, an electroactive semi-metal, an electroactive ceramic material, an electroactive metalloid, an electroactive semi-conductor, an electroactive alloy of a metal, an electroactive alloy of a semi metal and an electroactive compound of a metal or a semi-metal, (ii) the polymeric binder has a molecular weight in the range 300,000 to 3,000,000 and (iii) 50 to 90% of the carboxyl groups of the polymeric binder are in the form of a metal ion carboxylate salt. A method of making a composite electrode material, an electrode, cells including electrodes and devices using such cells are also disclosed.04-19-2012
20120276451METHOD FOR PREPARING AN ELECTRODE COMPOSITION - A method for preparing an electrode composition, including a step of forming a suspension, in an unbuffered aqueous acid medium having a pH of 1 or in a buffered acid medium having a pH less than or equal to 4, containing an electrode active material in the form of particles of an element M selected from Si, Sn, and Ge, a polymer binder having reactive groups capable of reacting with hydroxyl groups in an acid medium, and an agent generating electronic conductivity. The invention also relates to the electrode obtained according to the method, as well as to a battery including such an electrode.11-01-2012
20100167125METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE, METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE, AND LITHIUM-ION SECONDARY BATTERY - A method of manufacturing a lithium-ion secondary battery positive electrode comprises a coating material preparing step of preparing a positive electrode active material layer forming coating material by mixing a positive electrode active material, a binder, a conductive auxiliary, an organic solvent, and water; and an active material layer forming step of forming a positive electrode active material layer on a current collector by using the positive electrode active material layer forming coating material. The binder is polyvinylidene fluoride produced by emulsion polymerization. The positive electrode active material layer forming coating material is prepared in the coating material preparing step such that the amount of water added (% by mass) based on the total amount of the organic solvent and water and the pH of the positive electrode active material satisfy the following expression (1):07-01-2010
20100129712ENERGY STORAGE DEVICES - An energy storage device is provided. The energy storage device includes a positive electrode including a polyacrylate aqueous binder blended therewith, a negative electrode and an electrolyte. The polyacrylate aqueous binder is as shown in Formula (I):05-27-2010
20110159364NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery has an electrode composed of a positive and negative electrodes containing an active material, and a separator between the positive electrode and the negative electrode; wherein one of the positive electrode and the negative electrode contains a binder and is formed on a current collector; the current collector has a structure composed of a resin layer so as to melt upon an abnormal heat generation and a metal layer as an electric conductor formed on both sides of the resin layer; the resin layer has a melting point of 120 to 250° C.; and the binder has a melting point between 70° C. and a lower temperature than above mentioned melting point of the resin layer by 40° C.06-30-2011
20110159363COMPOSITION FOR ELECTRODE OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A composition for an electrode of a nonaqueous electrolyte secondary battery contains an active material and a binder resin. The composition contains a vinylpyrrolidone-based polymer as the binder resin. The hydroxyl group equivalent of the vinylpyrrolidone-based polymer is within the range of 250 to 2500.06-30-2011
20130177807BINDER FOR ELECTRODE OF LITHIUM BATTERY AND LITHIUM BATTERY CONTAINING THE BINDER - A binder for an electrode of a lithium battery, and a lithium battery containing the binder. The binder includes: a carbon nanotube; and a polymer chemically bonded to the carbon nanotube, and thus may form a conducting path by improving dispersion of the carbon nanotube. Accordingly, the binder may have high capacity and improve the lifetime of the lithium battery.07-11-2013
20110269017POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES AND USE THEREOF - The invention provides a positive electrode for lithium secondary batteries, comprising a conductive layer overlaid on the surface of a positive electrode collector, and an active material layer overlaid on the conductive layer, wherein the conductive layer comprises at least one water-insoluble polymer, as a binder, that is soluble in organic solvents, and a conductive material; the active material layer comprises at least one aqueous polymer, as a binder, that is soluble or dispersible in water, a positive electrode active material, and a conductive material; and the average particle size (D11-03-2011
20130101898LEAD MANGANESE-BASED CATHODE MATERIAL FOR LITHIUM ELECTROCHEMICAL SYSTEMS - A lead manganese-based cathode material is provided. Furthermore, a lithium or lithium ion rechargeable electrochemical cell is provided incorporating lead manganese-based cathode material in a positive electrode. In addition, a process for preparing a stable lead manganese-based cathode material is provided.04-25-2013
20100009258Negative electrode for lithium ion secondary battery, method for producing the same, lithium ion secondary battery and method for producing the same - A negative electrode for a lithium ion secondary battery, including: a negative electrode material mixture including an active material powder capable of reversibly absorbing and desorbing lithium, and a binder, wherein the active material includes at least one element selected from the group consisting of Si and Sn, and the binder includes at least one selected from the group consisting of an ethylene-acrylic acid copolymer and an ethylene-methacrylic acid copolymer.01-14-2010
20110274971POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND PRODUCTION METHOD OF SAME - A positive electrode for a lithium secondary battery provided by the present invention includes an electrically conductive layer and an active material layer on a surface of a positive electrode current collector. The electrically conductive layer contains at least one type of water-insoluble polymer that is soluble in an organic solvent as a binder, the active material layer contains at least one type of water-soluble and/or water-dispersible polymer that dissolves or disperses in water as a binder, and a mass ratio (B/A) of mass (B) per unit surface area of the binder in the active material layer to mass (A) per unit surface area of the binder in the electrically conductive layer satisfies a relationship of 0.06≦B/A≦0.35.11-10-2011
20110311871NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY - A negative electrode for lithium secondary batteries includes a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is formed on the negative electrode current collector. The negative electrode active material layer contains a binder and negative electrode active material particles containing at least one of silicon and a silicon alloy. The binder is a polyimide resin formed by imidization of a tetracarboxylic acid or tetracarboxylic anhydride and a diamine. The diamine contains a diamine having at least one hydroxyl group.12-22-2011
20110311870Electrode for lithium-ion secondary battery - Disclosed is an electrode for a lithium-ion secondary battery which includes a porous membrane layer that is inhibited from decreasing in flexibility. The electrode for lithium-ion secondary battery comprises a current collector and, formed thereon in the following order, an electrode active-material layer comprising an electrode active material, a thickener, and a binder and a porous membrane layer containing an inorganic filler, wherein the binder is one which, when used to form a composite film comprising the binder and the thickener, forms a spherical island phase in a cross section of the composite film, the island phase having an average diameter of 0.5 μm or larger. The binder preferably is an unsaturated carboxylic acid ester polymer having a content of alkyl acrylate monomer units of 85 mass % or higher.12-22-2011
20130202963Binder For Secondary Battery Providing Excellent Cycle Property - Provided is a binder for secondary battery electrodes wherein the content of a gel comprising a polymer particle obtained by copolymerizing three or more types of monomers is 50 to 100% by weight and a swelling index of the binder to an electrolyte is 1.1 to 5.0. The binder fundamentally improves electrode stability due to the gel content defined above and increases ionic conductivity due to the swelling index, thus providing secondary batteries with superior cycle properties.08-08-2013
20120088155ALGINATE-CONTAINING COMPOSITIONS FOR USE IN BATTERY APPLICATIONS - A silicon-based anode comprises an alginate-containing binder. The many carboxy groups of alginate bind to a surface of silicon, creating strong, rigid hydrogen bonds that withstand battery cycling. The alginate-containing binder provides good performance to the anode by (1) improving the capacity of the anode in comparison to other commercially-available binders, (2) improving Columbonic efficiency during charging and discharging cycles, and (3) improving stability during charging and discharging cycles.04-12-2012
20120094179NEGATIVE ELECTRODE ACTIVE MATERIAL OF LITHIUM SECONDARY BATTERY, NEGATIVE ELECTRODE OF LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY FOR VEHICLE INSTALLATION USING THE NEGATIVE ELECTRODE ACTIVE MATERIAL AND NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING THE NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative electrode active material of lithium secondary battery include: at least one of a petroleum-derived green coke and a coal-derived green coke, and at least one of a petroleum-derived calcined coke and a coal-derived calcined coke within a mass ratio range of 90:10 to 10:90; a phosphorous compound within a range of 0.1 to 6.0 parts by mass in amount equivalent to phosphor relative to 100 parts by mass of the at least one of the green cokes and the at least one of the calcined cokes; and a boron compound within a range of 0.1 to 6.0 parts by mass in amount equivalent to boron relative to 100 parts by mass of the at least one of the green cokes and the at least one of the calcined cokes.04-19-2012
20130209882COMPOSITE BINDER FOR BATTERY, AND ANODE AND BATTERY INCLUDING THE COMPOSITE BINDER - In one aspect, a composite binder for a battery, including an inorganic particle; a binder polymer; and an organic-inorganic coupling agent, a negative electrode including the composite binder, and a lithium battery including the negative electrode is provided.08-15-2013

Patent applications in class Organic component is a binder