| Entries |
| Document | Title | Date |
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| 20080226986 | Power Storage Device - An object of the present invention is to provide a power storage device with low internal resistance, employing a cathode containing a nitroxyl polymer. To attain the object in the present invention, in the power storage device employing a cathode comprising a nitroxyl polymer, a cathode collector having a conductive auxiliary layer comprising carbon as a main component formed and integrated on an aluminum electrode is used. | 09-18-2008 |
| 20090017379 | SECONDARY BATTERY, POWER SUPPLY SYSTEM USING SAME AND USAGE OF POWER SUPPLY SYSTEM - A secondary battery is equipped with a reaction container and a current collector that is built in at least one of a positive electrode side and a negative electrode side. The positive electrode side and the negative electrode side are separated from each other by an ion conductive separator. In the reaction container, an organic matter excluding a metal complex and a radical and capable of reversibly being electrochemically oxidized and reduced is used as an active material together with a supporting salt. The active material and the supporting salt form a liquid. On the surface of the current collector, the active material contained in the liquid is charged and discharged. | 01-15-2009 |
| 20090053602 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME, AND NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a positive electrode for a non-aqueous electrolyte battery includes: applying a positive electrode slurry onto a positive electrode current collector, the positive electrode slurry containing a positive electrode active material, a conductive agent, carboxymethylcellulose, and a latex-based plastic. The method is characterized by including: a first step of dispersing and mixing the carboxymethylcellulose and the conductive agent in an aqueous solution to prepare a conductive agent slurry; and a second step of dispersing and mixing the positive electrode active material and the latex-based plastic in the conductive agent slurry, to prepare the positive electrode slurry. | 02-26-2009 |
| 20090142664 | POLYPYRROLE AND SILVER VANADIUM OXIDE COMPOSITE - In one embodiment of the present disclosure, a composite electrode for a battery is provided. The composite electrode includes silver vanadium oxide present in an amount from about 75 weight percent to about 99 weight percent and polypyrrole present in an amount from about 1 weight percent to about 25 weight percent. | 06-04-2009 |
| 20090142665 | Active material for rechargeable lithium battery and rechargeable lithium battery including the same - An active material for a rechargeable lithium battery is provided with a non-carbon-based material on which nanofiber-shaped carbon having an oxygen-included functional group is grown. The negative active material for a rechargeable lithium battery has good conductivity and cycle life characteristics. | 06-04-2009 |
| 20090186271 | NON-AQUEOUS ELECTROLYTE BATTERY AND ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery including a positive electrode; a negative electrode; and a non-aqueous electrolyte, wherein at least one of the positive electrode and the negative electrode has an active material layer containing an ambient temperature molten salt and polyvinylpyrrolidone. | 07-23-2009 |
| 20090214952 | ANODE AND SECONDARY BATTERY - A secondary battery capable of providing a high energy density and superior cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer containing a carbon material and a lithium-containing compound (Li | 08-27-2009 |
| 20090246631 | ELECTRICITY STORAGE DEVICE - Disclosed is an electricity storage device which can be charged/discharged at high rate and have high output, high capacity and excellent repeating charge/discharge characteristics, although it uses a non-carbon material as a negative electrode active material. Specifically disclosed is an electricity storage device comprising: a positive electrode collector; a positive electrode disposed on the positive electrode collector and including a positive electrode active material which can reversibly absorb/desorb at least anions; a negative electrode collector; and a negative electrode disposed on the negative electrode collector and including a negative electrode active material which can substantially absorb/desorb lithium ions reversibly. The negative electrode active material is composed of at least one substance selected from the group consisting of silicon, a silicon-containing alloy, a silicon compound, tin, a tin-containing alloy, and a tin compound; and the negative electrode is formed as a thin film having a thickness of 10 μm or less. | 10-01-2009 |
| 20090311597 | Conductive lithium storage electrode - A compound comprising a composition A | 12-17-2009 |
| 20090325067 | WET-TO-USE ORGANIC CELL BATTERY - A wet-to-use organic cell battery includes a container filled with an electrolyte that is made from organic materials, an electrolyte solution, such as water, can be repeatedly added into the container to mix with the electrolyte, and two electrodes electrically connected to a mixture of the electrolyte and the electrolyte solution, and insulated from each other. Thus, the organic cell battery of the present invention has the advantages of being able to preserve the electrodes from consumption and rustiness, being refreshable, and being benign to environment and public health. | 12-31-2009 |
| 20100009256 | POLYRADICAL COMPOUND-CONDUCTIVE MATERIAL COMPOSITE, METHOD FOR PRODUCING THE SAME, AND BATTERY USING THE SAME - Disclosed is a composite body of an electrode active material and a conductivity-imparting agent, which has high capacity density and enables to take out a large current. Also disclosed are a method for producing such a composite body, and a battery having high energy density and a large output power. Specifically, a polyradical compound as an electrode active material and a conductive material are heated and mixed at a temperature not less than the softening temperature but less than the decomposition temperature of the polyradical compound, thereby for forming a composite body of the polyradical compound and the conductive material. By producing an electrode using such a composite body, there can be obtained a novel battery having high energy density and large output power. | 01-14-2010 |
| 20100047688 | PHENANTHRENEQUINONE COMPOUND, ELECTRODE ACTIVE MATERIAL, AND POWER STORAGE DEVICE - Disclosed is a novel organic compound synthesized by oligomerizing or polymerizing a specific quinone compound having two quinone groups at the ortho position and having a property such that the electron transfer occurs associated with a reversible redox reaction, the organic compound being insoluble in an organic solvent and having a high energy density, and thus being useful as an electrode active material for a power storage device. Using this organic compound as an electrode active material can improve the energy density, reduce the weight and size, and improve the functionality of the power storage device. | 02-25-2010 |
| 20100151319 | HIGHLY ELECTRON CONDUCTIVE POLYMER AND ELECTROCHEMICAL ENERGY STORAGE DEVICE WITH HIGH CAPACITY AND HIGH POWER USING THE SAME - Disclosed is a method for preparing a highly electron conductive polymer, the method comprising a step of doping a conductive polymer with a dopant capable of introducing movable charge carriers into the repeating units of the polymer, wherein a voltage higher than a conduction band of the polymer is applied to the polymer while the polymer is doped with the dopant, so as to modify electron conductivity of the conductive polymer. A highly electron conductive polymer obtained by the method, an electrode comprising the highly electron conductive polymer, and an electrochemical device including the electrode arc also disclosed. The novel doping method for improving the electron conductivity of a conductive polymer can provide a conductive polymer with a conductivity comparable to the conductivity of a conventional conductive agent. | 06-17-2010 |
| 20100239904 | PHOSPHORATED POLYMER, METHOD FOR MAKING THE SAME, AND LITHIUM-ION BATTERY USING THE SAME - A phosphorated polymer includes a conductive polymer main-chain and a side-chain connected to the conductive polymer main-chain. The side-chain includes an electrochemically active phosphorated group Pm. A method for making the phosphorated polymer and a lithium-ion battery using the phosphorated polymer is also provided. | 09-23-2010 |
| 20100239905 | PHOSPHORATED COMPOSITE, METHOD FOR MAKING THE SAME, AND LITHIUM-ION BATTERY USING THE SAME - A phosphorated composite capable of electrochemical reversible lithium storage includes a conductive matrix and a red phosphorus. The conductive matrix includes a material being selected from the group consisting of conductive polymer and conductive carbonaceous material. A weight percentage of the conductive matrix in the phosphorated composite ranges from about 10% to about 85%. A weight percentage of the red phosphorus in the phosphorated composite ranges from about 15% to about 90%. A method for making the phosphorated composite and a lithium-ion battery using the phosphorated composite is also provided. | 09-23-2010 |
| 20100255372 | PROCESS FOR PRODUCING POLYRADICAL COMPOUND AND BATTERY CELL - Disclosed is a polyradical compound which can be used as an electrode active material for at least one of a positive electrode and a negative electrode. The polyradical compound has a repeating unit represented by general formula (1) and is crosslinked using a bifunctional crosslinking agent having two polymerizing groups in the molecule represented by general formula (2), wherein R | 10-07-2010 |
| 20100273051 | COMPOSITE ELECTRODE AND METHOD FOR MANUFACTURING THE SAME - A composite electrode and a method for manufacturing the same are disclosed. By using a composite electrode that includes a porous support made of ceramic or metal and a conductive polymer or a metal oxide formed on a surface of the porous support, a capacitor or secondary cell that provides increased charge/discharge capacity and increased energy/output density, as well as high-temperature stability and high reliability, can be manufactured. | 10-28-2010 |
| 20110052984 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL, METHOD OF MANUFACTURING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY CELL - A negative electrode for a nonaqueous electrolyte secondary cell, includes: a negative electrode active material layer containing a negative electrode active material, a polyvinylidene fluoride component including polyvinylidene fluoride and/or a derivative having polyvinylidene fluoride as a main chain, a styrene-butadiene component including a styrene-butadiene polymer and/or a derivative having a styrene-butadiene polymer as a main chain, a nonionic surfactant having an HLB of 10 to 15, and N-methylpyrrolidone; and a foil-shaped negative electrode current collector provided with the negative electrode active material layer on at least one principal surface of the collector. | 03-03-2011 |
| 20110070490 | CARBON ELECTRODES FOR ELECTROCHEMICAL APPLICATIONS - Systems and methods are provided for producing high-surface-area three-dimensional electrodes for electrochemical applications. In one embodiment, sheets of precursor material are interleaved with sheets of a sacrificial material and then bonded to a base comprising a precursor material with a precursor bonding material. The precursor sheets, base and bonding material preferably formed from the same precursor material. The bonded structure is then pyrolyzed to create a lithium intercalating structure and remove the sacrificial material. In another embodiment, a reactive-ion etching process is used to pattern 3D structures into a sheet of precursor material. The 3D structure is then converted into a lithium intercalating structure through pyrolysis. In both embodiments, the components of the structure to be heat treated preferably comprise the same lithium intercalating precursor material. As a result, micro-scale high-aspect-ratio 3D electrode features having very fine structures can be patterned and created. | 03-24-2011 |
| 20110129730 | SECONDARY BATTERY AND CARBON INK FOR CONDUCTIVE AUXILIARY LAYER OF THE SAME - A secondary battery using a polymer radical material and a conducting additive in which the performance of a conductive auxiliary layer is further improved and the internal resistance is reduced, thereby achieving a higher output. Specifically disclosed is a secondary battery in which at least one of a positive electrode and a negative electrode uses, as an electrode active material, a polymer radical material and a conducting additive having electrical conductivity. By providing a conductive auxiliary layer between a current collector and the polymer radical material/conducting additive electrode which is mainly composed of graphite, fibrous carbon or a granular carbon having a DBP absorption of not more than 110 cm | 06-02-2011 |
| 20110136008 | LITHIUM-ION SECONDARY BATTERY, ANODE FOR LITHIUM-ION SECONDARY BATTERY, POWER TOOL, ELECTRIC VEHICLE AND ENERGY STORAGE SYSTEM - A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes: a cathode; an anode including an anode active material layer; and an electrolytic solution. The anode active material layer includes an anode active material and an inorganic compound, and the inorganic compound includes one or both of an alkoxysilane compound and a hydrolysate thereof. | 06-09-2011 |
| 20110189540 | CONDUCTIVE AGENT FOR BATTERY ELECTRODE, ELECTRODE CONTAINING THE SAME, AND BATTERY - Disclosed is a highly reliable secondary battery, as well as an electrode and a conductive agent used therefor, which battery has a long cycle life and is also less likely to be damaged or rupture even when the battery temperature becomes abnormally high. The conductive agent of the battery electrode contains, as the main component, a reaction product between a π-conjugated carbon material and a soluble polyimide, preferably a soluble block copolymerized polyimide. The battery electrode is formed by coating a composition containing this conductive agent and an electrode active substance onto a current collector. The battery comprises this electrode. | 08-04-2011 |
| 20110195308 | Secondary particle and lithium battery including secondary particle - A secondary particle and a lithium battery including the same are provided wherein the secondary particle includes a plurality of primary particles and each primary particle contains n polycyclic nano-sheets disposed upon one another. The polycyclic nano-sheets include hexagonal rings of six carbon atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 08-11-2011 |
| 20110200874 | ANODIC CARBON MATERIAL FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY ANODE, LITHIUM SECONDARY BATTERY, AND METHOD FOR MANUFACTURING ANODIC CARBON MATERIAL FOR LITHIUM SECONDARY BATTERY - The invention provides an anodic carbon material for a lithium secondary battery and a lithium secondary battery anode having excellent charge/discharge cycle characteristics, and a lithium secondary battery using the same. More specifically, an anodic carbon material for a lithium secondary battery according to the present invention comprises: composite particles composed of silicon-containing particles containing an alloy, oxide, nitride, or carbide of silicon capable of occluding and releasing lithium ions and a resinous carbon material enclosing the silicon-containing particles; and a network structure formed from nanofibers and/or nanotubes that bond to surfaces of the composite particles and that enclose the composite particles, and wherein: the network structure contains silicon. | 08-18-2011 |
| 20110200875 | SULFUR-MODIFIED POLYACRYLONITRILE, MANUFACTURING METHOD THEREFOR, AND APPLICATION THEREOF - Provided is a sulfur-modified polyacrylonitrile manufacturing method that is characterized in that a starting base powder that comprises sulfur powder and polyacrylonitrile powder is mixed and the mixture is heated in a non-oxidizing environment while outflow of sulfur vapor is prevented. Also provided are a cathode for lithium batteries that uses, as the active substance, the sulfur-modified polyacrylonitrile manufactured with the method, and a lithium secondary battery that includes the cathode as a component element. This enables the practical use of an inexpensive sulfur-based material as the cathode material for lithium secondary batteries, and in particular, a sulfur-based cathode material that enables higher output and has excellent cycle life characteristics, as well as other characteristics, and secondary lithium batteries using the same can be obtained. | 08-18-2011 |
| 20110229759 | ELECTRODES INCORPORATING NANOSTRUCTURED POLYMER FILMS FOR ELECTROCHEMICAL ION STORAGE - Ion storage electrodes formed by coating an underlying substrate with a nanofibrillar film of structured conjugate polymer nanofibers and methods of forming such electrodes are described herein. The electrical properties of the electrodes may be customized by modifying the structure of the polymer nanofibers, the thickness of the nanofiber film, and the pore size of the nanofiber films. | 09-22-2011 |
| 20110256448 | MOLTEN SALT-CONTAINING METAL ELECTRODE FOR RECHARGEABLE OXIDE-ION BATTERY CELLS OPERATING BELOW 800?C - A rechargeable oxide-ion battery cell | 10-20-2011 |
| 20110256449 | ORGANIC COATED FINE PARTICLE POWDERS - Solid organic matter coated fine solid particles and the applications of such coated particles are described. These uniformly coated carbonaceous particles provide an improved material for use as an electrochemical material. In one example, methods of manufacturing uniformly coated particles from lignin and graphite are described. In another embodiment, petroleum pitch coated calcined coke powder is demonstrated. | 10-20-2011 |
| 20110256450 | ELECTROCHEMICAL CELLS COMPRISING POROUS STRUCTURES COMPRISING SULFUR - The present invention relates to the use of porous structures comprising sulfur in electrochemical cells. Such materials may be useful, for example, in forming one or more electrodes in an electrochemical cell. For example, the systems and methods described herein may comprise the use of an electrode comprising a conductive porous support structure and a plurality of particles comprising sulfur (e.g., as an active species) substantially contained within the pores of the support structure. | 10-20-2011 |
| 20110269015 | CONDUCTIVE AGENT, POSITIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT, AND LITHIUM SECONDARY BATTERY INCLUDING THE CONDUCTIVE AGENT - A conductive agent having a nonzero surface charge, a positive electrode slurry composition of a lithium secondary battery, including the conductive agent, and a lithium secondary battery including the conductive agent. | 11-03-2011 |
| 20110269016 | METHOD FOR PRODUCING ANODE FOR LITHIUM SECONDARY BATTERY AND ANODE COMPOSITION, AND LITHIUM SECONDARY BATTERY - The invention relates to an anode for lithium secondary battery comprising vapor grown carbon fiber uniformly dispersed without forming an agglomerate of 10 μm or larger in an anode active material using natural graphite or artificial graphite, which anode is excellent in long cycle life and large current characteristics. Composition used for production for the anode can be produced, for example, by mixing a thickening agent solution containing an anode active material, a thickening agent aqueous solution and styrene butadiene rubber as binder with a composition containing carbon fiber dispersed in a thickening agent with a predetermined viscosity or by mixing an anode active material with vapor grown carbon fiber in dry state and then adding polyvinylidene difluoride thereto. | 11-03-2011 |
| 20110274970 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY - A negative active material containing super-conductive nanoparticles coated with a high capacity negative material and a lithium battery including the same are provided, wherein the super-conductive nanoparticles have a structure in which polycyclic nano-sheets are stacked upon one another along a direction perpendicular to a first plane. The polycyclic nano-sheets include hexagonal rings of six carbons atoms linked to each other, wherein a first carbon and a second carbon have a distance therebetween of L | 11-10-2011 |
| 20110281163 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode for a non-aqueous electrolyte secondary battery includes a negative electrode core member and a negative electrode mixture layer adhering to the negative electrode core member. The negative electrode mixture layer includes graphite particles, a water-soluble polymer coating the surfaces of the graphite particles, and a binder bonding the graphite particles coated with the water-soluble polymer. The negative electrode mixture layer has a specific surface area of 2.2 to 3 m | 11-17-2011 |
| 20120034522 | Active material for rechargeable lithium battery and rechargeable lithium battery - An active material for a rechargeable lithium battery and a rechargeable battery, the active material including an active material core; and a thin film graphite layer on the core. | 02-09-2012 |
| 20120045692 | Electrical Appliance - An object is to increase the conductivity of an electrode including active material particles and the like, which is used for a battery. Two-dimensional carbon including 1 to 10 graphenes is used as a conduction auxiliary agent, instead of a conventionally used conduction auxiliary agent extending only one-dimensionally at most, such as graphite particles, acetylene black, or carbon fibers. A conduction auxiliary agent extending two-dimensionally has higher probability of being in contact with active material particles or other conduction auxiliary agents, so that the conductivity can be improved. | 02-23-2012 |
| 20120064405 | POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m | 03-15-2012 |
| 20120064406 | ELECTRODE MATERIAL, METHOD FOR PRODUCING SAME, AND LITHIUM ION SECONDARY BATTERY - Secondary batteries for automobiles require good input/output characteristics and low internal resistance. Conventionally, the surface of an active material is coated with metal particles to reduce the internal resistance of a battery, but without achieving remarkable improvement in the conductivity of the active material or decreasing the internal resistance of the battery since an oxide film is formed on the metal particle surfaces. The present electrode material is produced by mixing and dispersing an active material and a metal source compound, then depositing metal particles on the surface of the active material by thermal decomposition, vapor phase reduction, liquid phase reduction or a chemical reaction combining any of these. Since an oxide film is not formed on the metal particles, an electrode material having high conductivity is obtained. The electrode material decreases the internal resistance of a battery and improves the input/output characteristics of a battery. | 03-15-2012 |
| 20120088154 | Graphene-Sulfur Nanocomposites for Rechargeable Lithium-Sulfur Battery Electrodes - Rechargeable lithium-sulfur batteries having a cathode that includes a graphene-sulfur nanocomposite can exhibit improved characteristics. The graphene-sulfur nanocomposite can be characterized by graphene sheets with particles of sulfur adsorbed to the graphene sheets. The sulfur particles have an average diameter less than 50 nm. | 04-12-2012 |
| 20120107685 | ELECTROPOSTIVE PLATE, BATTERY, VEHICLE BATTERY-MOUNTED DEVICE, AND ELECTROPOSITIVE PLATE MANUFACTURING METHOD - Provided is a positive electrode plate, which is high in the peeling strength of an anode activating substance layer and which is suppressed in the increase of a battery resistance. Also provided are a battery using the positive electrode plate, a vehicle having the battery mounted thereon, a battery-mounting device, and a positive electrode plate manufacturing method capable of manufacturing the anode activating substance layer properly. The positive electrode plate includes a substrate having conductivity, and a positive electrode active material layer formed in the substrate and containing positive electrode active material particles, a conductive material and binders. These binders are made of either only polyethylene oxide, or only polyethylene oxide and carboxymethyl cellulose. | 05-03-2012 |
| 20120121981 | Electrode Active Material, Electrode, And Electricity Storage Device - This invention relates to an electrode active material, an electrode containing the active material, and an electricity storage device including the electrode. The electrode active material comprises a silicon-containing carbon-based composite material obtained by preparing a uniform phase comprising at least (A) a crosslinkable composition that includes a silicon-containing compound having a crosslinkable group, and (B) a liquid or melt that does not participate in the crosslinking reaction of the crosslinkable composition; then crosslinking the component (A), causing phase-separation from the component (B) for obtaining silicon-containing crosslinked particles or a dispersion wherein the silicon-containing crosslinked particles are dispersed in the component (B); and then baking the silicon-containing crosslinked particles or the dispersion in an inert gas or in a vacuum at 300 to 1,500° C. The electrode active material is particularly suitable as an electrode of a lithium secondary battery, displays high reversible capacity and stable charge and discharge cycle characteristics, and is characterized by having little electrical potential loss when lithium is discharged. | 05-17-2012 |
| 20120121982 | Electrode Active Material, Electrode, And Electricity Storage Device - An electrode active material comprising a silicon-containing carbon-based composite material obtained by: preparing a cured product of (A) a silicon-free organic compound having a crosslinkable group, and (B) a silicon-containing compound capable of crosslinking the component (A); and baking the cured product in an inert gas or in a vacuum at 300 to 1,500° C.; an electrode comprising the electrode active material; and an electricity storage device comprising the electrode. The electrode active material has high reversible capacity and stable charge and discharge cycle characteristics, has little electrical potential loss when lithium is discharged, and furthermore, can be manufactured via a simple manufacturing process. Therefore, an electrode active material that is particularly suitable for an electrode of a lithium secondary battery can be provided, and an electricity storage device having an electrode comprising the electrode active material can also be provided. | 05-17-2012 |
| 20120148919 | ORGANIC NEGATIVE ELECTRODE AND BATTERY USING THE ORGANIC NEGATIVE ELECTRODE - An organic negative electrode is provided in the present application. The organic negative electrode comprises a first element having conductive material, a second element formed by a high polymer solution and set on the first element, and a third element having chlorophyll and formed on the second element. A battery with said organic negative electrode is also provided. | 06-14-2012 |
| 20120171569 | CERAMIC MATERIAL - A method of manufacturing a composite material, the method comprising: (i) providing a ceramic powder comprising ceramic agglomerates, the agglomerates having an intra-agglomerate void volume space; (ii) providing a polymer; (iii) mixing the polymer with the ceramic powder to form a mixture comprising the agglomerates at least partially impregnated with the polymer, wherein the volume of polymer in the mixture is at least 80% of the total intra-agglomerate void volume space, but less than 130% of the total intra-agglomerate void volume space; (iv) optionally shaping the mixture to form a preform; (v) and treating the mixture to provide ceramic agglomerates which are at least partially impregnated with solid polymer. | 07-05-2012 |
| 20120196182 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS SECONDARY BATTERY - The present invention provides a positive electrode active material for nonaqueous solvent secondary batteries, comprising, as an active ingredient, a 1,4-benzoquinone compound having lower alkoxy groups as substitutes, and a nonaqueous secondary battery comprising the positive electrode active material as a constituent. According to the invention, a nonaqueous secondary battery having a high energy density and excellent cycle characteristics can be obtained by using a positive electrode active material composed of an organic compound with a low environmental load. | 08-02-2012 |
| 20120208086 | PROCESS FOR COATING FINE PARTICLES WITH CONDUCTIVE POLYMERS - A process for coating fine particles, in which the feed mixture contains: a monomer and/or an oligomer of aromatic compounds or unsaturated hydrocarbon compounds suitable for forming an electroconductive oligomer, polymer, copolymer, block copolymer or graft copolymer; at least one type of anions which (1) are and/or can be incorporated as doping ions into the structure of the conductive polymer; (2) can be discharged from said structure in the event of a potential fall of the conductive polymer (reduction); and (3) can have an anti-corrosive effect in the presence of a metallic surface; at least one type of particles; if necessary, at least one oxidising agent and water and/or at least another solvent. A coating is formed from the feed mixture on the particle surface, the feed mixture being converted by oxidation into a conductive polymer in the presence of at least one type a of mobile anti-corrosive anion. | 08-16-2012 |
| 20120231335 | CATHODE ACTIVE MATERIAL, CATHODE THEREWITH AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). | 09-13-2012 |
| 20120244437 | POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m | 09-27-2012 |
| 20120244438 | ANODES WITH MESOPOROUS SILICON PARTICLES - The present invention provides anode materials, methods of producing them, electrochemical cells, and lithium-ion batteries, where the anode material comprises mesoporous silicon and carboxymethyl cellulose. In certain embodiments, the mesoporous silica additionally comprises other materials within its pores, such as lithium. | 09-27-2012 |
| 20120251880 | LITHIUM ION STORAGE DEVICE - There is provided a lithium ion storage device including a positive electrode having a positive electrode active material that is a lithium-containing compound and is capable of absorbing and desorbing lithium ions, and a negative electrode having a negative electrode active material capable of absorbing and desorbing lithium ions. The irreversible capacity of the positive electrode active material that is a capacity at which lithium ions cannot be reabsorbed after being desorbed from the positive electrode active material is 6% to 40% of a usage capacity of the negative electrode that is a capacity at which lithium ions are reversibly absorbed and desorbed by the negative electrode active material. | 10-04-2012 |
| 20120258360 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY - A negative electrode for a lithium secondary battery includes a negative-electrode active material having a specific surface area of Sx (m | 10-11-2012 |
| 20120264016 | METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE SUBSTANCE, AND USE OF SAID ACTIVE SUBSTANCE - A method of producing a positive electrode active substance comprising steps of:
| 10-18-2012 |
| 20120276450 | SURFACE MODIFICATION AGENTS FOR LITHIUM BATTERIES - A method includes modifying a surface of an electrode active material including providing a solution or a suspension of a surface modification agent; providing the electrode active material; preparing a slurry of the solution or suspension of the surface modification agent, the electrode active material, a polymeric binder, and a conductive filler; casting the slurry in a metallic current collector; and drying the cast slurry. | 11-01-2012 |
| 20120288762 | GRAPHENE-COATED PYROLYTIC CARBON STRUCTURES, METHODS OF MAKING, AND METHODS OF USE THEREOF - Embodiments of the present disclosure provide for flexible graphene-coated pyrolytic carbon materials or structures, methods of making, methods of use, materials including the graphene-coated pyrolytic carbon material or structure, structures including the graphene-coated pyrolytic carbon material or structure, and the like. | 11-15-2012 |
| 20120301784 | NONAQUEOUS SECONDARY BATTERY - The nonaqueous secondary battery of the present invention comprises a positive electrode having a positive electrode mixture layer containing a lithium-containing composite oxide as a positive electrode active material, a negative electrode, a separator, and a nonaqueous electrolyte. The surface of the positive electrode active material or the positive electrode mixture layer is coated with polyvalent organic metal salt, particularly preferably with fluorine-containing polyvalent organic lithium salt. | 11-29-2012 |
| 20120328944 | ELECTRODE AND ELECTRICITY STORAGE DEVICE - An electrode of the present invention includes: an electrically conductive support ( | 12-27-2012 |
| 20130004846 | NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL - A negative active material, a method of preparing the same, and a lithium battery including the negative active material are disclosed. The negative active material includes a silicon-based nanocore and a first amorphous carbonaceous coating layer that is formed of carbonized organic material and that is uniformly and continuously formed on a surface of the silicon-based nanocore, whereby irreversible capacity losses due to volumetric expansion/contraction caused when a lithium battery is charged and discharged are compensated and cycle lifetime characteristics are enhanced. | 01-03-2013 |
| 20130017445 | DEGRADABLE IMPLANTABLE BATTERYAANM Hodgkinson; Gerald N.AACI GuilfordAAST CTAACO USAAGP Hodgkinson; Gerald N. Guilford CT USAANM Powers; WilliamAACI CheshireAAST CTAACO USAAGP Powers; William Cheshire CT USAANM Hadba; Ahmad RobertAACI MiddlefieldAAST CTAACO USAAGP Hadba; Ahmad Robert Middlefield CT US - A biodegradable battery is provided. The battery includes an anode comprising a material including an inner surface and an outer surface, wherein electrochemical oxidation of the anode material results in the formation of a reaction product that is substantially non-toxic and a cathode comprising a material including an inner surface and an outer surface, the inner surface of the cathode being in direct physical contact with the inner surface of the anode, wherein electrochemical reduction of the cathode material results in the formation of a reaction product that is substantially non-toxic, and wherein the cathode material presents a larger standard reduction potential than the anode material. | 01-17-2013 |
| 20130034775 | CARBON NEGATIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND LITHIUM SECONDARY BATTERY USING THE SAME - A carbon negative electrode material for a lithium secondary battery includes: a core carbon material; and a coated layer covering the core carbon material and comprising a carbon coating material and carbon fiber. | 02-07-2013 |
| 20130040197 | Polymer-Sulfur Composite Materials for Electrodes in Li-S Energy Storage Devices - Composite materials containing sulfurized polymers and sulfur-containing particles can be used in lithium-sulfur energy storage devices as a positive electrode. The composite material exhibits relatively high capacity retention and high charge/discharge cycle stability. In one particular instance, the composite comprises a sulfurized polymer having chains that are cross-linked through sulfur bonds. The polymer provides a matrix in which sulfide and/or polysulfide intermediates formed during electrochemical charge-discharge processes of sulfur can be confined through chemical bonds and not mere physical confinement or sorption. | 02-14-2013 |
| 20130059202 | POLYMER-COATED ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY USING THE SAME - Provided is a lithium ion secondary battery including a cathode that is capable of occluding and emitting lithium ions, and an anode that is capable of occluding and emitting the lithium ions. A polymer compound containing a polyether portion and a carboxylic acid bonding portion is bonded to an active material as shown with a structure I, a structure II, a structure III, and a structure IV. | 03-07-2013 |
| 20130059203 | ANODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - Provided are an anode active material for a lithium secondary battery, a method for preparing same, and a lithium secondary battery including same. An anode active material for a lithium secondary battery according to the present invention includes: active particles by means of which lithium ions may be absorbed/released; and a coating layer coated on the surface of the active particles, wherein the coating layer includes a first material which is a hollow nanofiber and a second material which is a carbon precursor or LTO. | 03-07-2013 |
| 20130071742 | LITHIUM ION BATTERIES - A lithium ion battery includes a positive electrode, a negative electrode, and a microporous polymer separator soaked in an electrolyte solution. The microporous polymer separator is disposed between the positive electrode and the negative electrode. An ion exchange polymer material is any of i) incorporated as a binder in any of the positive electrode or the negative electrode, ii) deposited onto a surface of any of the positive electrode or the negative electrode, iii) incorporated into the microporous polymer separator, or iv) deposited onto a surface of the microporous polymer separator. Examples of methods for making the ion exchange polymer material for use in the lithium ion batteries are also disclosed herein. | 03-21-2013 |
| 20130078516 | NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a negative electrode material for a non-aqueous electrolyte secondary battery that includes particles of a silicon-based active material, the particles of a silicon-based active material being coated with a film of an organosilicon compound that contains a perfluoropolyether group, and a non-aqueous electrolyte secondary battery therewith. As a result, there is provided a negative electrode material for a non-aqueous electrolyte secondary battery that is high in capacity, excellent in initial charge/discharge efficiency and cycle characteristics and high in safety and reliability, and a non-aqueous electrolyte secondary battery that uses the negative electrode material. | 03-28-2013 |
| 20130089783 | Negative Active Material and Lithium Battery Containing the Negative Active Material - A negative active material and a lithium battery including the same are disclosed. Due to the inclusion of silicon nanowires formed on a spherical carbonaceous base material, the negative active material may increase the capacity and cycle lifespan characteristics of the lithium battery. | 04-11-2013 |
| 20130089784 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY CONTAINING THE NEGATIVE ACTIVE MATERIAL - A negative active material and a lithium battery including the negative active material. The negative active material includes primary particles, each including: a crystalline carbonaceous core having a surface on which silicon-based nanowires are disposed; and an amorphous carbonaceous coating layer that is coated on the crystalline carbonaceous core so as not to expose at least a portion of the silicon-based nanowires. Due to the inclusion of the primary particles, an expansion ratio is controlled and conductivity is provided and thus, a formed lithium battery including the negative active material may have improved charge-discharge efficiency and cycle lifespan characteristics. | 04-11-2013 |
| 20130115513 | ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE SAME - An electrode active material includes a core capable of intercalating and deintercalating lithium; and a surface treatment layer disposed on at least a portion of a surface of the core, wherein the surface treatment layer includes a lithium-free oxide having a spinel structure, and an intensity of an X-ray diffraction peak corresponding to impurity phase of the lithium-free oxide, when measured using Cu—Kα radiation, is at a noise level of an X-ray diffraction spectrum or less. | 05-09-2013 |
| 20130122367 | LITHIUM PRIMARY CELL - The lithium primary battery of the present invention includes a positive electrode including a first active material capable of absorbing lithium ions and a second active material capable of absorbing and desorbing lithium ions. The second active material is automatically charged by the first active material while the lithium primary battery is in an open circuit state. The first active material is, for example, graphite fluoride or manganese dioxide. The second active material is, for example, an organic compound having two or more ketone groups in a molecule. The second active material may be a polymer. | 05-16-2013 |
| 20130130109 | Nanostructured Metal Oxides Comprising Internal Voids and Methods of Use Thereof - The present invention relates to nano structures of metal oxides having a nanostructured shell (or wall), and an internal space or void. Nanostructures may be nanoparticles, nanorod/belts/arrays, nanotubes, nanodisks, nanoboxes, hollow nanospheres, and mesoporous structures, among other nanostructures. The nanostructures are composed of polycrystalline metal, oxides such as SnO | 05-23-2013 |
| 20130130110 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein the lithium nickel-manganese-cobalt oxide has a nickel content of at least 40% among overall transition metals and is coated with a conductive polymer at a surface thereof. A lithium secondary battery having the disclosed cathode active material has advantages of not deteriorating electrical conductivity while enhancing high temperature stability, so as to efficiently provide high charge capacity. | 05-23-2013 |
| 20130164617 | ANODE MATERIAL, LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING ANODE MATERIAL - The main object of the present invention is to provide an anode material capable of improving cycling characteristics of a lithium secondary battery. The present invention solves the problem by providing an anode material comprising a reactant between: a metal oxide represented by a general formula of M | 06-27-2013 |
| 20130171522 | POSITIVE ELECTRODE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY INCLUDING THE SAME - A positive electrode for a lithium rechargeable battery, the positive electrode including a positive electrode active material; a binder; and a positive electrode additive represented by the following Formula 1: | 07-04-2013 |
| 20130209881 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL - A negative active material and a lithium battery including the negative active material. The negative active material includes a non-carbonaceous nanoparticle capable of doping or undoping lithium; and a crystalline carbonaceous nano-sheet, wherein at least one of the non-carbonaceous nanoparticle and the crystalline carbonaceous nano-sheet includes a first amorphous carbonaceous coating layer on its surface, and thus an electrical conductivity thereof is improved. In addition, a lithium battery including the negative active material has an improved efficiency and lifetime. | 08-15-2013 |
| 20130216909 | ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY - An electrode active material is based on an organic compound containing in the structural unit thereof a pyrazine structure bound to cycloalkane. The electrode active material and a secondary battery containing it have large energy density, outputting high power, and having excellent cycle characteristics with little reduction in capacity even after repetition of charging and discharging. | 08-22-2013 |
| 20130252096 | Nonaqueous Electrolyte Rechargeable Battery Having Electrode Containing Conductive Polymer - A nonaqueous electrolyte rechargeable battery includes a positive electrode, a negative electrode, and an electrolyte solution. The positive electrode includes a positive-electrode active material that occludes and discharges an alkali metal ion. The negative electrode includes a negative-electrode active material that occludes and discharges an alkali metal ion. At least one of the positive electrode and the negative electrode contains a conductive polymer. The conductive polymer has a fiber-form or a three-dimensional structure provided by the fiber-form as a base, the fiber-form having a fiber diameter of equal to or less than 100 nm and an aspect ratio of equal to or greater than 10. | 09-26-2013 |
| 20130252097 | METHOD TO PREPARE SILICON PARTICLES FOR USE IN LITHIUM SECONDARY BATTERY ANODES - The disclosure describes a process to fabricate composite anodes for lithium secondary batteries using silicon particles obtained from the byproducts of silicon manufacturing processes. Silicon particles are obtained from the byproducts of solar cell manufacturing or silicon wafer manufacturing steps such as sawing, polishing and deposition processes. Said silicon particles are mechanically resized, mixed with carbonaceous materials and formed into an anode for a lithium secondary battery. | 09-26-2013 |
| 20130252098 | NEGATIVE ELECTRODE BASE MEMBER - A battery having high output voltage, high energy density and excellent charge and discharge cycle characteristics is achieved through the use of one of the following negative electrode base members as a negative electrode base member for lithium ion secondary batteries: a negative electrode base member where a metal film is formed on a support having an organic film; such a negative electrode base member where the surface layer of the organic film is covered with a metal oxide film; a negative electrode base member where a metal film is formed on a support having a composite film formed from a composite film-forming material containing an organic component and an inorganic component; and a negative electrode base member where a silica coating is formed, on a support having a photoresist pattern, from a silica film-forming coating liquid and a metal film is formed on the support after removing the photoresist pattern. | 09-26-2013 |
| 20130252099 | NEGATIVE ELECTRODE BASE MEMBER - A battery having high output voltage, high energy density and excellent charge and discharge cycle characteristics is achieved through the use of one of the following negative electrode base members as a negative electrode base member for lithium ion secondary batteries: a negative electrode base member where a metal film is formed on a support having an organic film; such a negative electrode base member where the surface layer of the organic film is covered with a metal oxide film; a negative electrode base member where a metal film is formed on a support having a composite film formed from a composite film-forming material containing an organic component and an inorganic component; and a negative electrode base member where a silica coating is formed, on a support having a photoresist pattern, from a silica film-forming coating liquid and a metal film is formed on the support after removing the photoresist pattern. | 09-26-2013 |
| 20130260238 | LAYERED MATERIALS WITH IMPROVED MAGNESIUM INTERCALATION FOR RECHARGEABLE MAGNESIUM ION CELLS - Electrochemical devices which incorporate cathode materials that include layered crystalline compounds for which a structural modification has been achieved which increases the diffusion rate of multi-valent ions into and out of the cathode materials. Examples in which the layer spacing of the layered electrode materials is modified to have a specific spacing range such that the spacing is optimal for diffusion of magnesium ions are presented. An electrochemical cell comprised of a positive intercalation electrode, a negative metal electrode, and a separator impregnated with a nonaqeuous electrolyte solution containing multi-valent ions and arranged between the positive electrode and the negative electrode active material is described. | 10-03-2013 |
| 20130302678 | LITHIUM ION BATTERY - A lithium ion battery includes a cathode electrode, an anode electrode, and an electrolyte. The anode electrode is spaced from the cathode electrode. The anode electrode includes an anode active material. The anode active material includes sulfur grafted poly(pyridinopyridine). The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and sulfur dispersed in the poly(pyridinopyridine) matrix. The electrolyte is located between the cathode electrode and the anode electrode. | 11-14-2013 |
| 20130302679 | RECHARGEABLE BATTERY, FUNCTIONAL POLYMER, AND METHOD FOR SYNTHESIS THEREOF - A safer rechargeable battery is offered. More concretely, The secondary battery composed to prevent the overcharge is offered. | 11-14-2013 |
| 20130302680 | ANODE ACTIVE MATERIAL AND THE SECONDARY BATTERY COMPRISING THE SAME - Disclosed is an anode active material comprising a lithium metal oxide represented by the following Formula 1, wherein the anode active material is surface-coated with a silane compound and a silicon content of the silane compound is 0.01 to 5% by weight, based on the total amount of the anode active material: | 11-14-2013 |
| 20130302681 | CATHODE ACTIVE MATERIAL AND THE SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a cathode active material comprising a lithium nickel manganese composite oxide with a spinel structure represented by the following Formula 1, wherein the cathode active material is surface-coated with a silane compound and a silicon content of the silane compound is 0.01 to 5% by weight, based on the total amount of the cathode active material: | 11-14-2013 |
| 20130309570 | POSITIVE ELECTRODE SLURRY COMPOSITION FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY COMPRISING THE SAME AND METHOD OF MAKING THE LITHIUM SECONDARY BATTERY - Provided are a positive electrode slurry composition for a lithium secondary battery, which can be prepared by an improved preparation method by preventing slurry from being gelled by adding an inorganic additive in preparing slurry of a nickel (Ni) based positive active material, a lithium secondary battery comprising the same and a method of making the lithium secondary battery. The positive electrode slurry includes a nickel (Ni) based positive active material; a binder; and an inorganic additive. | 11-21-2013 |
| 20130309571 | NEGATIVE ELECTRODE FOR LITHIUM BATTERY, LITHIUM BATTERY INCLUDING THE SAME, AND METHODS OF MANUFACTURE THEREOF - A negative electrode including: a metal layer including lithium; and a platy carbonaceous material layer including a carbonaceous material having a plate structure and disposed on the metal layer. | 11-21-2013 |
| 20130316236 | Anode Material Including Nanofibers For A Lithium Ion Cell - An anode material for a galvanic element, in particular a lithium-ion cell. To improve the current density and thermal stability of galvanic elements, the anode material includes nanofibers made of a metal, a metal alloy, a carbon-metal oxide composite material, a carbon-metal alloy composite material, a conductive polymer, a polymer-metal composite material, a polymer-metal alloy composite material or a combination thereof. The nanofibers may be in the form a nanofiber netting, a nonwoven and/or a network and may be connected to a current conductor. | 11-28-2013 |
| 20130330619 | SULFUR CONTAINING NANOPOROUS MATERIALS, NANOPARTICLES, METHODS AND APPLICATIONS - Sulfur containing nanoparticles that may be used within cathode electrodes within lithium ion batteries include in a first instance porous carbon shape materials (i.e., either nanoparticle shapes or “bulk” shapes that are subsequently ground to nanoparticle shapes) that are infused with a sulfur material. A synthetic route to these carbon and sulfur containing nanoparticles may use a template nanoparticle to form a hollow carbon shape shell, and subsequent dissolution of the template nanoparticle prior to infusion of the hollow carbon shape shell with a sulfur material. Sulfur infusion into other porous carbon shapes that are not hollow is also contemplated. A second type of sulfur containing nanoparticle includes a metal oxide material core upon which is located a shell layer that includes a vulcanized polymultiene polymer material and ion conducting polymer material. The foregoing sulfur containing nanoparticle materials provide the electrodes and lithium ion batteries with enhanced performance. | 12-12-2013 |
| 20130330620 | GRAPHITE MATERIAL, CARBON MATERIAL FOR BATTERY ELECTRODES, AND BATTERIES - A graphite composite material obtained by mixing graphite material 1 having diversity in the sizes of optical anisotropic structure and optical isotropic structure, the ratio thereof, and crystal direction, and graphite material 2 having a rhombohedron structure, which is different from graphite material 1 and has an average interplanar spacing d | 12-12-2013 |
| 20130344385 | ELECTRODE ACTIVE MATERIAL, ELECTRODE, AND SECONDARY CELL - An electrode active material has the general formula (I) or (II) in a constituent unit. In the formulas, X is C or Si; and Y | 12-26-2013 |
| 20140023926 | GRAPHENE-CONTAINING ELECTRODES - A battery includes a first electrode including a plurality of particles containing lithium, a layer of carbon at least partially coating a surface of each particle, and electrochemically exfoliated graphene at least partially coating one or more of the plurality of particles. The battery includes a second electrode and an electrolyte. At least a portion of the first electrode and at least a portion of the second electrode contact the electrolyte. | 01-23-2014 |
| 20140030593 | ORGANIC RADICAL POLYIMIDE ELECTRODE ACTIVE MATERIAL, AND ELECTROCHEMICAL DEVICE COMPRISING SAME - Disclosed herein is an organic radical polyimide, represented by Formula I below: | 01-30-2014 |
| 20140030594 | CONDUCTIVE POLYMER/POROUS CARBON MATERIAL COMPOSITE AND ELECTRODE MATERIAL USING SAME - The purpose of the present invention is to provide: an electric double-layer capacitor, a lithium ion secondary battery, and a lithium ion capacitor, each of which has excellent cycle characteristics; an electrode material which is capable of providing the electric double-layer capacitor, the lithium ion secondary battery, and the lithium ion capacitor; and a composite which is used in the electrode material. The composite of the present invention is a composite produced by compositing from 0.5 to 5 parts by mass of nitrogen atom-containing conductive polymer per 100 parts by mass of porous carbon material. The composite of the present invention is a composite where the peak area ratio (nitrogen/carbon ratio) of peak area derived from nitrogen atoms to peak area derived from carbon atoms in the spectrum by X-ray photoelectron spectroscopy becomes 0.005 to 0.05. | 01-30-2014 |
| 20140038045 | ELECTRODE HAVING 3-DIMENSIONAL PORE NETWORK STRUCTURE, LITHIUM BATTERY INCLUDING ELECTRODE, AND METHOD OF MANUFACTURING ELECTRODE - An electrode having a three-dimensional pore network structure including a fibrous pore channel is disclosed. A lithium battery including the electrode and a method of manufacturing the electrode are also disclosed. The three-dimensional pore network structure formed in the electrode allows for improved mobility of lithium ions in the electrode. Therefore, a lithium battery including the electrode may have improved output characteristics. | 02-06-2014 |
| 20140045064 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE USING THE SAME AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material includes: a particle containing a positive electrode material capable of intercalating and deintercalating an electrode reactant; and a film provided in at least a part of the particle and having a peak of C | 02-13-2014 |
| 20140050983 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - In an aspect, a negative active material for a rechargeable lithium battery that includes a silicon-based active material including a core including carbon and SiO | 02-20-2014 |
| 20140072871 | Rechargeable lithium cell having a chemically bonded phthalocyanine compound cathode - A rechargeable lithium cell comprising: (a) an anode comprising an anode active material; (b) a cathode comprising a hybrid cathode active material composed of an electrically conductive substrate and a phthalocyanine compound chemically bonded to or immobilized by the conductive substrate, wherein the phthalocyanine compound is in an amount of from 1% to 99% by weight based on the total weight of the conductive substrate and the phthalocyanine compound combined; and (c) electrolyte or a combination of electrolyte and a porous separator, wherein the separator is disposed between the anode and the cathode and the electrolyte is in ionic contact with the anode and the cathode. This secondary cell exhibits a long cycle life, the best cathode specific capacity, and best cell-level specific energy of all rechargeable lithium-ion cells ever reported. | 03-13-2014 |
| 20140072872 | DEGRADABLE IMPLANTABLE BATTERY - A biodegradable battery is provided. The battery includes an anode comprising a material including an inner surface and an outer surface, wherein electrochemical oxidation of the anode material results in the formation of a reaction product that is substantially non-toxic and a cathode comprising a material including an inner surface and an outer surface, the inner surface of the cathode being in direct physical contact with the inner surface of the anode, wherein electrochemical reduction of the cathode material results in the formation of a reaction product that is substantially non-toxic, and wherein the cathode material presents a larger standard reduction potential than the anode material. | 03-13-2014 |
| 20140079997 | ANODES OF LI-ION BATTERIES - The use of a methylated amorphous silicon alloy as the active material in an anode of Li-ion battery is described. Lithium storage batteries and anodes manufactured using the material, as well as a method for manufacturing the electrodes by low-power PECVD are also described. | 03-20-2014 |
| 20140127575 | POSITIVE ACTIVE MATERIAL FOR LITHIUM SULFUR BATTERY AND LITHIUM SULFUR BATTERY COMPRISING SAME - The present invention relates to a positive active material for a lithium sulfur battery and a lithium sulfur battery comprising the same, and the positive active material for a lithium sulfur battery comprises a core comprising Li | 05-08-2014 |
| 20140127576 | ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING THE SAME, AND NEGATIVE ELECTRODE INCLUDING THE SAME - The invention provides an active material for nonaqueous electrolyte secondary batteries which contains a silicon oxide as an active material and can suppress the generation of gas during storage at high temperatures, a method for producing such active materials, a negative electrode for nonaqueous electrolyte secondary batteries including the active material, and a nonaqueous electrolyte secondary battery including the negative electrode. An active material for nonaqueous electrolyte secondary batteries is used which includes a silicon oxide having a surface coated with a polyacrylonitrile or a modified product thereof that has been heat treated. | 05-08-2014 |
| 20140154571 | COMPOSITE AND METHOD OF PREPARING ANODE SLURRY INCLUDING THE SAME - Provided are a composite and a method of preparing an anode slurry including the same. More particularly, the present invention provides a composite including a (semi) metal oxide, a conductive material on a surface of the (semi) metal oxide, and a binder, and a method of preparing an anode slurry including preparing a composite by dispersing a conductive material in an aqueous binder and then mixing with a (semi) metal oxide, and mixing the composite with a carbon material and a non-aqueous binder. | 06-05-2014 |
| 20140178757 | NONAQUEOUS SECONDARY BATTERY AND METHOD OF USING THE SAME - A nonaqueous secondary battery having a positive electrode having a positive electrode mixture layer, a negative electrode, and a nonaqueous electrolyte, in which the positive electrode contains, as an active material, a lithium-containing transition metal oxide containing a metal element selected from the group consisting of Mg, Ti, Zr, Ge, Nb, Al and Sn, the positive electrode mixture layer has a density of 3.5 g/cm | 06-26-2014 |
| 20140186703 | POSITIVE ELECTRODE FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE - Provided is a positive electrode for a power storage device, which has an excellent discharge characteristic irrespective of an oxidized state of polyaniline as a positive active material and which is excellent in storability and handleability. The positive electrode for a power storage device includes polyaniline, where a ratio of a polyaniline oxidized body in the positive electrode is 0.01 to 75% to the entire polyaniline. | 07-03-2014 |
| 20140199591 | PASTED NICKEL HYDROXIDE ELECTRODE AND ADDITIVES FOR RECHARGEABLE ALKALINE BATTERIES - A pasted positive nickel hydroxide electrode for use in battery cells (e.g., in nickel zinc cells, and nickel metal hydride cells) includes nickel hydroxide particles, a cobalt metal and/or cobalt compound and a sulfur-containing complexing agent capable of forming a complex with cobalt. The presence of the sulfur-containing complexing agent, such as dialkyldithiocarbamate (e.g., sodium diethyldithiocarbamate) improves lifetime and capacity utilization of the nickel electrode. The resulting pasted nickel hydroxide electrode includes a CoOOH conductive matrix after formation. The surface of the nickel hydroxide particles in the electrode is modified in some embodiments by providing a cobalt-containing coating onto the surface of the nickel hydroxide particles, followed by oxidation with a strong oxidizing agent. The complexing agent can be added before, after, or during the oxidation. | 07-17-2014 |
| 20140199592 | HIGH SULFUR CONTENT COPOLYMERS AND COMPOSITE MATERIALS AND ELECTROCHEMICAL CELLS AND OPTICAL ELEMENTS USING THEM - The present invention relates generally to high sulfur content polymeric materials and composites, methods for making them, and devices using them such as electrochemical cells and optical elements. In one aspect, a polymeric composition comprising a copolymer of sulfur, at a level in the range of at least about 50 wt % of the copolymer, and one or more monomers each selected from the group consisting of ethylenically unsaturated monomers, epoxide monomers, and thiirane monomers, at a level in the range of about 0.1 wt % to about 50 wt % of the copolymer. | 07-17-2014 |
| 20140205902 | Graphene Hybrid Structures for Energy Storage Applications - Aspects of the invention are directed to a method for forming a hybrid structure. Initially, a wire is received and an encapsulating film is deposited on the wire. Subsequently, the wire is selectively removed to leave a hollow tube formed of the encapsulating film. A plurality of active particles are then placed into the hollow tube by immersing the hollow tube in a suspension comprising the plurality of active particles and a liquid. Lastly, the hollow tube and the plurality of active particles therein are removed from the suspension and allowed to dry so as to form a cluster of active particles at least partially encapsulated by the encapsulating film. | 07-24-2014 |
| 20140205903 | Single Component Sulfur-based Cathodes For Lithium and Lithium-ion Batteries - The present invention pertains to the selection of cathode materials. The cathode materials of concern are the conducting polymer or backbone and the redox active species or sulfur species. The selection of the materials is based on the characteristics of the materials relating to the other components of the batteries and to each other. The present invention also pertains to the resultant cathode materials, particularly a selected cathode material of a single component sulfur-based conducting polymer with the sulfur species covalently linked to the conducting polymer, and most particularly a thiophene based polymer with covalently linked sulfur species. The conducting polymers have been covalently-derivatized with sulfides and/or sulfide-containing groups as battery cathode materials. The present invention also pertains to a battery employing the selection method and resultant cathode materials. | 07-24-2014 |
| 20140212753 | ORGANOMETALLIC - INORGANIC HYBRID ELECTRODES FOR LITHIUM-ION BATTERIES - Disclosed are embodiments of active materials for organometallic and organometallic-inorganic hybrid electrodes and particularly active materials for organometallic and organometallic-inorganic hybrid cathodes for lithium-ion batteries. In certain embodiments the organometallic material comprises a ferrocene polymer. | 07-31-2014 |
| 20140212754 | BATTERY - Provided is a battery having a high charging/discharging capacity density as compared with a conventional one. The battery ( | 07-31-2014 |
| 20140220438 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND CATHODE SHEET THEREFOR - The invention provides a nonaqueous electrolyte secondary battery having a cathode and an anode arranged so as to be opposite to each other, and an electrolyte layer put therebetween;
| 08-07-2014 |
| 20140248535 | ELECTRODE ACTIVE MATERIAL , ELECTRODE AND SECONDARY BATTERY - An electrode active material has, as a main component, a mixture of an organic compound containing a rubeanic acid and cyanomethanesulfonylamide. The rubeanic acid is represented by the following general formula: | 09-04-2014 |
| 20140248536 | ELECTRODE ACTIVE MATERIAL , PRODUCTION METHOD FOR SAID ELECTRODE ACTIVE MATERIAL, ELECTRODE AND SECONDARY BATTERY - An electrode active material has, as a main component, a mixture of an organic compound containing a rubeanic acid and oxamide. The rubeanic acid is represented by the following general formula: | 09-04-2014 |
| 20140255780 | ELECTROCHEMICAL CELLS COMPRISING FIBRIL MATERIALS, SUCH AS FIBRIL CELLULOSE MATERIALS - The use of fibril materials, such as fibril cellulose materials and other similar materials, in electrochemical cells and components thereof is generally described. | 09-11-2014 |
| 20140272569 | COATING FOR SEPARATOR OR CATHODE OF LITHIUM-SULFUR OR SILICON-SULFUR BATTERY - A battery with a sulfur-containing cathode, an anode, and a separator between the cathode and the anode has a coating comprising a single-lithium ion conductor on at least one of the cathode or the separator. | 09-18-2014 |
| 20140272570 | High Energy Cathode Material - A composition for use in a battery electrode including lithium-sulfur particles coated with a transition metal species bonded to a sulfur species. Methods and materials for preparing such a composition. Use of such a compound in a battery. | 09-18-2014 |
| 20140287306 | ELECTRODE MATERIAL, METHOD FOR MANUFACTURING ELECTRODE MATERIAL, AND SECONDARY BATTERY - An electrode material is provided. The electrode material includes a porous carbon material, wherein the porous carbon material has a half-width of diffraction intensity peak of a (100) face or a (101) face of 4 degrees or less with reference to a diffraction angle 2 theta on a basis of an X-ray diffraction method. An absolute value of a differential value of mass can be obtained when a mixture of the porous carbon material and S | 09-25-2014 |
| 20140295267 | SILICON BASED COMPOSITE MATERIAL, AND PREPARATION METHOD AND USE THEREOF - The present disclosure provides a silicon based composite material, and a preparation method and a use thereof. The silicon based composite material comprises silicon nano-particles and polyaniline coating layers on surfaces of the silicon nano-particles, and Si—C covalent bonds are formed between the silicon nano-particles and the polyaniline coating layers. The silicon based composite material provided by the present disclosure is advantageous in improving the coating effect of polyaniline on silicon particles. | 10-02-2014 |
| 20140308581 | Aqueous Energy Storage Devices with Organic Electrode Materials - An aqueous metal-ion battery and a method for constructing same. In one embodiment, the battery includes an aqueous electrolyte and at least one electrode comprising at least one organic electrode material. A method comprises incorporating an organic electrode material into the electrode of an aqueous metal-ion battery. The organic electrode material further comprises at least one material chosen from carbonyl compounds. | 10-16-2014 |
| 20140315082 | COMPOSITE CONDUCTIVE ELECTRODE AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a composite conductive electrode and a manufacturing method thereof, belonging to the field of vanadium battery manufacturing. The method comprises: selecting a carbon felt as a conductive substrate, selecting a conductive resin as the connecting substance for spaces in the carbon felt so as to enhance the conductive properties of the carbon felt; the conductive resin comprises a conductive plastic material or an epoxy resin. | 10-23-2014 |
| 20140342222 | Si-BLOCK COPOLYMER CORE-SHELL NANOPARTICLES TO BUFFER VOLUMETRIC CHANGE AND ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY USING THE SAME - The Si-block copolymer core-shell nanoparticles include: a Si core; and a block copolymer shell including a block having relatively relatively high affinity for Si and a block having relatively low affinity for Si and forming a spherical micelle structure around the Si core. Since the Si-block copolymer core-shell nanoparticles exhibit excellent dispersibility and stability in a mixed solution including the same, the Si-block copolymer core-shell nanoparticles are easily applied to an anode active material for lithium secondary battery by carbonization thereof. In addition, since the anode active material for lithium secondary battery using the Si-block copolymer core-shell nanoparticles includes carbonized Si-block copolymer core-shell nanoparticles and pores, the anode active material has long lifespan, high capacity and high energy density, and the block copolymer shell of the carbonized Si-block copolymer core-shell nanoparticles can improve lifespan of lithium secondary battery by buffering volumetric change thereof during charge and discharge. | 11-20-2014 |
| 20140349183 | STRUCTURED SILICON PARTICLES - A composite particle is provided. The particle comprises a first particle component and a second particle component in which: (a) the first particle component comprises a body portion and a surface portion, the surface portion comprising one or more structural features and one or more voids, whereby the surface portion and body portion define together a structured particle; and (b) the second component comprises a removable filler; characterised in that (i) one or both of the body portion and the surface portion comprise an active material; and (ii) the filler is contained within one or more voids comprised within the surface portion of the first component. The use of the particle in applications such as electrochemical cells, metal-ion batteries such as secondary battery applications, lithium air batteries, flow cell batteries, fuel cells, solar cells, filters, sensors, electrical and thermal capacitors, micro-fluidic devices, gas or vapour sensors, thermal or dielectric insulating devices, devices for controlling or modifying the transmission, absorption or reflectance of light or other forms of electromagnetic radiation, chromatography or wound dressings is disclosed. | 11-27-2014 |
| 20140356707 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - The present invention relates to a negative electrode active material for a rechargeable lithium battery, a method for preparing the same, and a rechargeable lithium battery including the same. This invention provides a negative electrode active material for a rechargeable lithium battery, comprising a core part including a spherical graphite, and a coating layer containing a low crystalline carbon material and coated on a surface of the core part, wherein a pore volume of less than or equal to 2000 nm is 0.08 ml/g or less, and a tap density is 1.1 g/cm | 12-04-2014 |
| 20140370379 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - To increase the capacity and energy density of a secondary battery by using a novel material as a material for a negative electrode in order to increase the amount of lithium ions transferred in charge and discharge. In the case where the negative electrode includes a current collector and a negative electrode active material layer, gallium is used as the negative electrode active material, and the negative electrode active material layer contains resin at 2 wt % or more, preferably 10 wt % or more, adhesion between the current collector and the negative electrode active material can be increased. This inhibits separation between the current collector and the negative electrode active material due repeated expansion and contraction, resulting in longer lifetime of the secondary battery. | 12-18-2014 |
| 20140377647 | ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE FORM, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An active material comprising silica-attached particles in the form of host particles of silicon or silicon compound having spherical silica nano-particles attached to surfaces thereof is suited for use in nonaqueous electrolyte secondary batteries. The spherical silica nano-particles have an average particle size of 5-1000 nm, a particle size distribution D | 12-25-2014 |
| 20140377648 | HYBRID RADICAL ENERGY STORAGE DEVICE AND METHOD OF MAKING - Hybrid radical energy storage devices, such as batteries or electrochemical devices, and methods of use and making are disclosed. Also described herein are electrodes and electrolytes useful in energy storage devices, for example, radical polymer cathode materials and electrolytes for use in organic radical batteries. | 12-25-2014 |
| 20150017527 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY,METHOD FOR PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY USING THE SAME - The present invention relates to a negative electrode active material for a rechargeable lithium battery, a method for preparing the same, and a rechargeable lithium battery using the same, and provides a negative electrode active material for a rechargeable lithium battery of a carbon-metal complex or a mixture type, containing a carbon-based active material including a first ceramic coating layer, a metal-based active material or a metal-base active material including a first ceramic coating layer, and a carbon-based active material. | 01-15-2015 |
| 20150017528 | POLYMER-NANOCARBON COMPOSITES, METHODS OF MAKING COMPOSITES, AND ENERGY STORAGE DEVICES INCLUDING THE COMPOSITE - Embodiments of the present disclosure, in one aspect, relate to composites including a carbon nanomaterial having a redox-active material, such as a polymer containing redox groups, disposed on the carbon nanomaterial, methods of making the composite, methods of storing energy, and the like. | 01-15-2015 |
| 20150044556 | Cathode active material-coated discrete graphene sheets for lithium batteries and process for producing same - The present invention provides a cathode (positive electrode) of a lithium battery and a process for producing this cathode. The electrode comprises a cathode active material-coated graphene sheet and the graphene sheet has two opposed parallel surfaces, wherein at least 50% area (preferably >80%) of one of the two surfaces is coated with a cathode active material coating. The graphene material is in an amount of from 0.1% to 99.5% by weight and the cathode active material is in an amount of at least 0.5% by weight (preferably >80% and more preferably >90%), all based on the total weight of the graphene material and the cathode active material combined. The cathode active material is preferably an inorganic material, an organic or polymeric material, a metal oxide/phosphate/sulfide, or a combination thereof. The invention also provides a lithium battery, including a lithium-ion, lithium-metal, or lithium-sulfur battery. | 02-12-2015 |
| 20150044557 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY, AND SODIUM-ION BATTERY - A negative electrode active material for a sodium-ion battery includes a compound including an aromatic ring structure and two or more COOX groups in which X is Li or Na, and which are bonded to ends of the aromatic ring structure, the aromatic ring structure including an aromatic heterocyclic ring that contains nitrogen in the ring. | 02-12-2015 |
| 20150044558 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY, SODIUM-ION BATTERY AND METHOD OF PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION BATTERY - A negative electrode active material for a sodium-ion battery includes a negative electrode active material ingredient that is a compound having an aromatic ring structure and two or more COOX groups in which X is Li or Na, and which are bonded to ends of the aromatic ring structure; and a carbon material. The carbon material has an interlayer distance d002 equal to or smaller than 3.5 Å or a D/G ratio equal to or smaller than 0.80, the D/G ratio being obtained by Raman spectrometry. | 02-12-2015 |
| 20150111100 | ELECTRODE ACTIVE MATERIAL OF LITHIUM ION BATTERY AND METHOD FOR MAKING THE SAME - A method for making an electrode active material of a lithium ion battery is provided. A sulfur grafted poly(pyridinopyridine) is synthesized. The sulfur grafted poly(pyridinopyridine) includes a poly(pyridinopyridine) matrix and a plurality of poly-sulfur groups dispersed in the poly(pyridinopyridine) matrix. The electrically conductive polymer is coated on a surface of the sulfur grafted poly(pyridinopyridine). An electrode active material of a lithium ion battery is also provided. | 04-23-2015 |
| 20150132640 | ELECTRODE MATERIAL AND METHOD OF SYNTHESIZING - The present disclosure provides a phosphate framework electrode material for sodium ion battery and a method for synthesizing such electrode material. A surfactant and precursors including a sodium precursor, a phosphate precursor, a transition metal precursor are dissolved in a solvent and stirred for sufficient mixing and reaction. The precursors are reacted to yield a precipitate of particles of Na | 05-14-2015 |
| 20150140423 | COMPOSITE PARTICLE - A composite particle for inclusion in a composite material of the sort used in electrochemical cells, metal ion batteries such as lithium-ion batteries, lithium air batteries, flow cell batteries, other energy storage devices such as fuel cells, thermal batteries, photovoltaic devices such as solar cells, filters and the like is provided. The composite particle comprises a particle core and a polymeric coating applied thereto. The present invention provides a composite material including a composite particle, methods of manufacturing both composite particles and composite materials and devices including such materials and particles. | 05-21-2015 |
| 20150295230 | NEGATIVE-ELECTRODE ACTIVE MATERIAL AND ELECTRIC STORAGE APPARATUS - A negative-electrode active material is provided, the negative-electrode active material including: a lamellar polysilane having a structure in which multiple six-membered rings constituted of a silicon atom are disposed one after another, and expressed by a compositional formula, (SiH) | 10-15-2015 |
| 20150295244 | ELECTRODE ACTIVE MATERIAL FOR POWER STORAGE DEVICE, AND POWER STORAGE DEVICE - An electrode active material for an electricity storage device disclosed in this application includes a heteroaromatic compound including two or more carbonyl groups and containing two or more nitrogen atoms, and carbon atoms of the two or more carbonyl groups and the two or more nitrogen atoms are included in a framework of the heteroaromatic compound. | 10-15-2015 |
| 20150303457 | Cathode Material for a Li-S Battery and the Method for Preparing the Same, a Cathode Made of the Cathode Material and a Li-S Battery Comprising the Cathode - The present invention provides a cathode material for a Li—S battery. The cathod material comprises dehydrogenized acrylonitrile based polymer, sulfur and GNS (Graphene Nano Sheet), wherein the cathode material particles are spherical, the content of dehydrogenized acrylonitrile based polymer is 20-79 wt %, the content of sulfur is 20-79 wt % and the content of GNS is 1-30 wt %. Also provided a method for preparing a cathode material, a cathode made of the cathod material and a Li—S battery comprising the cathode. | 10-22-2015 |
| 20150303468 | NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD OF PRODUCING THE SAME, NEGATIVE ELECTRODE ACTIVE MATERIAL LAYER FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a negative electrode material for a non-aqueous electrolyte secondary battery, comprising negative electrode active material particles containing a silicon compound expressed by SiO | 10-22-2015 |
| 20150303475 | POWER STORAGE DEVICE, ELECTRODE USED THEREIN, AND POROUS SHEET - In order to achieve a novel power storage device having high-speed charge/discharge and a high capacity density, an electrode which is used in the power storage device, and a porous sheet, the present invention provides a power storage device which includes an electrolyte layer | 10-22-2015 |
| 20150303476 | POWER STORAGE DEVICE, AND ELECTRODE AND POROUS SHEET USED IN SAME - A power storage device including an electrolyte layer, and a positive electrode and a negative electrode provided, with the electrolyte layer interposed therebetween. At least one of the electrodes is a composite including at least a thiophene polymer (A) having electrical conductivity varied by ion insertion/desertion, and a polycarboxylic acid (B). The polycarboxylic acid (B) is fixed in the electrode. A high-performance power storage device having an excellent capacity density per active substance weight and excellent high-speed charge and discharge characteristics is provided. | 10-22-2015 |
| 20150303477 | Use of Conductive Polymers in Battery Electrodes - Described are a composition at least comprising complexes of polythiophene and polyanions, at least one lithium-containing compound, and at least one solvent, wherein the composition comprises less than 1 g of a material comprising elemental carbon, based on 1 g of the polythiophenes, or comprises no material at all comprising elemental carbon, and a process for the preparation of a composition, the composition obtainable by this process, the use of a composition and a cathode in an Li ion accumulator. | 10-22-2015 |
| 20150311509 | PARTICULATE ACTIVE MATERIAL, POWER STORAGE DEVICE POSITIVE ELECTRODE, POWER STORAGE DEVICE, AND PRODUCTION METHOD FOR PARTICULATE ACTIVE MATERIAL - A particulate active material for a power storage device positive electrode having a higher energy density is provided, which includes particles of an electrically conductive polymer and a conductive agent, wherein the electrically conductive polymer particles each have a surface coated with the conductive agent. | 10-29-2015 |
| 20150311515 | Antimony and Layered Carbon Network Battery Anode - A method is provided for fabricating an antimony anode. The method disperses antimony (Sb) particles in a layered carbon network using a process such as mechanical mixing, ball milling, stirring, or ultrasound sonication, forming a Sb/carbon composite. The Sb/carbon composite is mixed with a binder, forming a mixture, and the mixture is deposited on a current collector. Advantageously, the binder may be an aqueous (water soluble) binder. In one aspect, prior to dispersing the Sb particles in the layered carbon network, the Sb particles are coated with carbon. For example, the Sb particles may be dispersed in a solution including a polymer, where the solution may be an aqueous or organic. Alternatively, the Sb particles may be dispersed in a solution including a monomer. The monomer solution is polymerized to form polymer sheathed Sb core-shell structures, and then carbonized. Associated Sb anodes and Sb anode batteries are also provided. | 10-29-2015 |
| 20150311532 | BATTERIES AND CATHODES CONTAINING CARBON NANOTUBES - Cathodes containing active materials and carbon nanotubes are described. The use of carbon nanotubes in cathode materials can provide a battery having increased longevity and volumetric capacity over batteries that contain a cathode that uses conventional conductive additives such as carbon black or graphite. | 10-29-2015 |
| 20150318540 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (α) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption: | 11-05-2015 |
| 20150318549 | ELECTRICITY STORAGE DEVICE, ELECTRODE USED THEREIN, AND POROUS SHEET - For achievement of a novel electricity storage device excellent in charge and discharge velocity and in capacity density, and an electrode and a porous sheet for use in the same, an electricity storage device including an electrolyte layer, a positive electrode, and a negative electrode is provided, wherein the electrolyte layer is interposed between the electrodes, and wherein at least one of the electrodes is a porous film made from a solution having an electrically conductive polymer in a reduced state. | 11-05-2015 |
| 20150325840 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND POSITIVE ELECTRODE USED THEREIN - A novel nonaqueous electrolyte secondary battery having a high weight energy density far exceeding the weight energy density of a conventional secondary battery is provided. A nonaqueous electrolyte secondary battery including an electrolyte layer, a positive electrode and a negative electrode with the electrolyte layer interposed there between. The positive electrode includes (a) an electrically conductive polymer, and (b) a phosphorus-containing polymer. The negative electrode includes a base metal or a material capable of insertion/extraction of a base metal ion. | 11-12-2015 |
| 20150333331 | ELECTROCHEMICAL ENERGY STORAGE DEVICES COMPRISING SELF-COMPENSATING POLYMERS - The disclosed technology relates generally to devices comprising conductive polymers and more particularly to electrochemical devices comprising self-compensating conductive polymers. In one aspect, electrochemical energy storage device comprises a negative electrode comprising an active material including a redox-active polymer. The device additionally comprises a positive electrode comprising an active material including a redox-active polymer. The device further comprises an electrolyte material interposed between the negative electrode and positive electrode and configured to conduct mobile counterions therethrough between the negative electrode and positive electrode. At least one of the negative electrode redox-active polymer and the positive electrode redox-active polymer comprises a zwitterionic polymer unit configured to reversibly switch between a zwitterionic state in which the zwitterionic polymer unit has first and second charge centers having opposite charge states that compensate each other, and a non-zwitterionic state in which the zwitterionic polymer unit has one of the first and second charge centers whose charge state is compensated by mobile counterions. | 11-19-2015 |
| 20150349337 | NEGATIVE-ELECTRODE ACTIVE MATERIAL, PRODUCTION PROCESS FOR THE SAME AND ELECTRIC STORAGE APPARATUS - A negative-electrode active material is used for a negative electrode, the negative-electrode active material including: agglomerated particles including nanometer-size silicon produced by heat treating a lamellar polysilane having a structure in which multiple six-membered rings constituted of a silicon atom are disposed one after another, and expressed by a compositional formula, (SiH) | 12-03-2015 |
| 20150349341 | NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF - A reduction in irreversible capacity is attained without degrading other battery characteristics. A negative electrode material, a negative electrode for lithium ion secondary battery, a lithium ion secondary battery, and a manufacturing method thereof, the negative electrode material containing a carbonaceous material, in which the interplanar spacing (d | 12-03-2015 |
| 20150357631 | ACTIVE MATERIAL, AND SODIUM ION BATTERY AND LITHIUM ION BATTERY USING THE SAME - Provided is an active material used for a sodium ion battery or a lithium ion battery, the active material including: (COONa) | 12-10-2015 |
| 20150357636 | SECONDARY BATTERY-USE ACTIVE MATERIAL, SECONDARY BATTERY-USE ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The cathode contains an active material capable of inserting and extracting an electrode reactant. A ratio IS/IF of a peak intensity IS derived from SO | 12-10-2015 |
| 20150357645 | ACTIVE MATERIAL FOR SODIUM ION BATTERY, AND SODIUM ION BATTERY - Provided is an active material for a sodium ion battery including: (t-butyl) | 12-10-2015 |
| 20160006036 | CARBON MATERIAL AND ELECTRODE MATERIAL USING SAME - An object of the present invention is to provide an electrode material and a carbon material used in an electrode material that enable an electrochemical element to be obtained with high electrostatic capacitance. The carbon material according to the present invention is a carbon material that has a specific surface area of 750 to 3000 m | 01-07-2016 |
| 20160009741 | ALUMINUM-MODIFIED POLYSILAZANES FOR POLYMER-DERIVED CERAMIC NANOCOMPOSITES | 01-14-2016 |
| 20160020465 | MANUFACTURING METHOD OF CARBON-SILICON COMPOSITE - Disclosed herein are a manufacturing method of a carbon-silicon composite, including: (a) preparing a slurry solution including silicon (Si)-block copolymer core-shell particles; (b) mixing the slurry solution with a carbon raw material to manufacture a mixed solution; (c) performing a primary carbonization process on the mixed solution, followed by pulverization, to manufacture a primary carbon-silicon composite; and (d) performing a secondary carbonization process on the primary carbon-silicon composite, followed by pulverization, to manufacture a secondary carbon-silicon composite, the carbon-silicon composite, an anode for a secondary battery manufactured by applying the carbon-silicon composite, and a secondary battery including the anode for a secondary battery. | 01-21-2016 |
| 20160028076 | CATHODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - Provided are a method of manufacturing a cathode active material including a first step of preparing a metal glycolate solution, a second step of mixing lithium-containing transition metal oxide particles and the metal glycolate solution and stirring in a paste state, a third step of drying the paste-state mixture, and a fourth step of performing a heat treatment on the dried mixture, a cathode active material including a metal oxide layer which is manufactured by the above method, and a secondary battery composed of a cathode including the cathode active material. | 01-28-2016 |
| 20160043386 | LITHIUM ACCUMULATOR COMPRISING A POSITIVE ELECTRODE MATERIAL BASED ON A SPECIFIC CARBON MATERIAL FUNCTIONALIZED BY SPECIFIC ORGANIC COMPOUNDS - The invention relates to a lithium accumulator comprising at least one electrochemical cell comprising an electrolyte positioned between a positive electrode and a negative electrode, said positive electrode comprising a positive electrode material comprising a carbonaceous material selected from carbon nanotubes, graphene or derivatives of graphene selected from graphene oxides, reduced graphene oxides, said carbonaceous material is covalently functionalized by at least one organic compound comprising at least one electron attractor group. | 02-11-2016 |
| 20160043400 | POWER STORAGE DEVICE ELECTRODE, AND POWER STORAGE DEVICE EMPLOYING THE ELECTRODE - A power storage device electrode is provided, which includes a layer made of a composite material containing an organic sulfide compound (A) as an electrode active material and a sulfide-containing organic polymer (B) as a binder, and a current collector stacked on the layer. The power storage device electrode is used as a positive electrode of a power storage device. Therefore, the power storage device is less liable to suffer from reduction in capacity during repeated charge/discharge, and has a higher capacity density and a higher energy density. | 02-11-2016 |
| 20160049262 | Melanins as Active Components in Energy Storage Materials - In one aspect, an energy storage device comprises one or more organic electrodes comprising one or more melanin-based energy storage materials and cations, with the one or more melanin-based energy storage materials reversibly binding the cations while the biocompatible energy storage device is in an inactive state, and the one or more melanin-based energy storage materials releasing the cations to provide energy while the energy storage device is in an active state. | 02-18-2016 |
| 20160049656 | THREE-DIMENSIONAL, POROUS ANODE FOR USE IN LITHIUM-ION BATTERIES AND METHOD OF FABRICATION THEREOF - A three-dimensional, porous anode material suitable for use in a lithium-ion cell. The three-dimensional, porous anode material includes active anode particles embedded within a carbon matrix. The porous structure of this novel anode material allows for the expansion and contraction of the anode without the anode delaminating or breaking apart, thus improving the life-cycle of the lithium-ion cell. An example of this three-dimensional porous anode material is a porous silicon-carbon composite formed using a bi-continuous micro-emulsion (BME) template. | 02-18-2016 |
| 20160064736 | Single Component Sulfur-Based Cathodes For Lithium And Lithium-Ion Batteries - The present invention pertains to the selection of cathode materials. The cathode materials of concern are the conducting polymer or backbone and the redox active species or sulfur species. The selection of the materials is based on the characteristics of the materials relating to the other components of the batteries and to each other. The present invention also pertains to the resultant cathode materials, particularly a selected cathode material of a single component sulfur-based conducting polymer with the sulfur species covalently linked to the conducting polymer, and most particularly a thiophene based polymer with covalently linked sulfur species. The conducting polymers have been covalently-derivatized with sulfides and/or sulfide-containing groups as battery cathode materials. The present invention also pertains to a battery employing the selection method and resultant cathode materials. | 03-03-2016 |
| 20160087263 | ENCAPSULATED LITHIUM PARTICLES AND METHODS OF MAKING AND USE THEREOF - An encapsulated lithium particle including:
| 03-24-2016 |
| 20160087266 | ENCAPSULATED SULFUR SUB-MICRON PARTICLES AS ELECTRODE ACTIVE MATERIAL - A core-shell elemental sulfur sub-micron particle having a core of elemental sulfur and a shell of a membrane containing alternating layers of oppositely charged polyelectrolytes is provided. A functionalized conductive carbon material is optionally present in one or more of the core and an outer layer. A cathode containing the core-shell elemental sulfur sub-micron particle and a lithium-sulfur battery constructed with the cathode are also provided. | 03-24-2016 |
| 20160093883 | SURFACE MODIFICATION OF ACTIVE MATERIAL STRUCTURES IN BATTERY ELECTRODES - Provided herein are methods of processing electrode active material structures for use in electrochemical cells or, more specifically, methods of forming surface layers on these structures. The structures are combined with a liquid to form a mixture. The mixture includes a surface reagent that chemically reacts and forms a surface layer covalently bound to the structures. The surface reagent may be a part of the initial liquid or added to the mixture after the liquid is combined with the structures. In some embodiments, the mixture may be processed to form a powder containing the structures with the surface layer thereon. Alternatively, the mixture may be deposited onto a current collecting substrate and dried to form an electrode layer. Furthermore, the liquid may be an electrolyte containing the surface reagent and a salt. The liquid soaks the previously arranged electrodes in order to contact the structures with the surface reagent. | 03-31-2016 |
| 20160111714 | ANODE ACTIVE MATERIAL AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed herein are an anode active material and a secondary battery comprising the same, and more specifically, an anode active material comprising a graphite carbon material coated with an amorphous carbon material comprising metal particles, and a secondary battery comprising the same. | 04-21-2016 |
| 20160118650 | CORE-SHELL TYPE ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERIES CONTAINING THE SAME - The invention pertains to a core-shell type anode active material for lithium secondary batteries, comprising: a core made of a silicon-containing electroactive material; and a metallic shell formed outside the core, wherein the metallic shell is composed of at least one metallic compound comprising at least one metal [compound (M)]. The invention further discloses a method for manufacturing said core-shell type anode active material, which uses electroless plating. Additionally, the invention also relates to a process for manufacturing an anode structure using the core-shell type anode active material, and to an electrochemical device comprising said anode structure. | 04-28-2016 |
| 20160118651 | ION-CONDUCTIVE COMPOSITE FOR ELECTROCHEMICAL CELLS - Articles and methods including composite layers for protection of electrodes in electrochemical cells are provided. In some embodiments, the composite layers comprise a polymeric material and a plurality of particles. | 04-28-2016 |
| 20160118652 | ANODE MATERIAL FOR LITHIUM ION BATTERY AND LITHIUM ION BATTERY INCLUDING THE SAME - Provided is an anode material for a lithium ion battery including an anode active material, an organic modified layer, and a lithium-containing inorganic layer. The organic modified layer is disposed on the anode active material. The lithium-containing inorganic layer is disposed on the organic modified layer. Moreover, based on 100 parts by weight of the anode active material, the organic modified layer accounts for about 0.1 to 5 parts by weight, and the lithium-containing inorganic layer accounts for about 0.1 to 20 parts by weight. A lithium ion battery including the anode material is further provided. | 04-28-2016 |
| 20160126538 | ELECTRODE MATERIAL AND USE THEREOF IN LITHIUM ION BATTERIES - The invention relates to an electrode material for lithium ion batteries, comprising 5-85% by weight of nanoscale silicon particles, which are not aggregated and of which the volume-weighted particle size distribution is between the diameter percentiles d | 05-05-2016 |
| 20160133928 | Functionalized Boron Nitride Materials as Electroactive Species in Electrochemical Energy Storage Devices - There is provided an improved electrochemical energy storage device. The storage device includes using functionalized boron nitride nanoparticles as electroactive materials in the electrodes. | 05-12-2016 |
| 20160133935 | ELECTRODE BINDER COMPOSITION AND ELECTRODE - The present invention relates to an electrode binder composition including a high-molecular-weight poly(amic acid) having a weight-average molecular weight of 5,000 or more and 100,000 or less and a low-molecular-weight poly(amic acid) having a weight-average molecular weight of 100 or more and 2,000 or less, and the present invention can provide an electrode binder composition that leads to a secondary battery having a high capacity superior in the initial charge/discharge efficiency and the cycle characteristics. | 05-12-2016 |
| 20160141607 | CATHODE ACTIVE MATERIAL, SECONDARY BATTERY COMPRISING THE SAME, AND METHOD OF MANUFACTURING THE POSITIVE ACTIVE MATERIAL - A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material. | 05-19-2016 |
| 20160141622 | Battery - The present invention relates to a battery that includes at least one electrochemical cell. The at least one electrochemical cell includes a first electrode, a second electrode, a first electroactive material, a second electroactive material, and an electrolyte which is in contact with both electrodes, and at least one of the first electroactive material and the second electroactive material includes a radialene compound. Also provided is an electroactive material as well as a radialene compound. | 05-19-2016 |
| 20160149207 | SURFACE TREATED SILICON CONTAINING ACTIVE MATERIALS FOR ELECTROCHEMICAL CELLS - Provided are active materials for electrochemical cells. The active materials include silicon containing structures and treatment layers covering at least some surface of these structures. The treatment layers may include aminosilane, a poly(amine), and a poly(imine). These layers are used to increase adhesion of the structures to polymer binders within active material layers of the electrode. As such, when the silicon containing structures change their size during cycling, the bonds between the binder and the silicon containing structure structures or, more specifically, the bonds between the binder and the treatment layer are retained and cycling characteristics of the electrochemical cells are preserved. Also provided are electrochemical cells and fabricated with such active materials, methods of fabricating these active materials and electrochemical cells and devices containing electrochemical cells fabricated with such active materials. | 05-26-2016 |
| 20160172667 | Multilayered Sulfur Composite Cathodes for Lithium Sulfur Batteries | 06-16-2016 |
| 20160190571 | SILICON-CONTAINING NEGATIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, NEGATIVE ELECTRODE INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING NEGATIVE ELECTRODE - A silicon-containing negative active material may include a silicon particle and a coating layer surrounding the silicon particle, and the coating layer may include carbon and a metallic particle. | 06-30-2016 |
| 20160190587 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a nonaqueous electrolyte battery is provided. This nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Li insertion/extraction potential of 0.8 V (vs. Li/Li | 06-30-2016 |
| 20160380255 | METHODS OF COATING AN ELECTRICALLY CONDUCTIVE SUBSTRATE AND RELATED ELECTRODEPOSITABLE COMPOSITIONS INCLUDING GRAPHENIC CARBON PARTICLES - Methods are disclosed in which an electrically conductive substrate is immersed in electrodepositable composition including graphenic carbon particles, the substrate serving as an electrode in an electrical circuit comprising the electrode and a counter-electrode immersed in the composition, a coating being applied onto or over at least a portion of the substrate as electric current is passed between the electrodes. The electrodepositable composition comprises an aqueous medium, an ionic resin, and solid particles including graphenic carbon particles. The solid particles may also include lithium-containing particles. | 12-29-2016 |
| 20160380261 | CARBONACEOUS MATERIALS FOR LEAD ACID BATTERIES - Disclosed herein are compositions, which can be used to coat electrode plates, comprising at least one carbonaceous material and at least one additive, wherein the at least one additive comprises a metal ion selected from calcium, barium, potassium, magnesium, and strontium ion, and wherein the metal ion is present in an amount ranging from 0.5 wt. % to 3 wt. % relative to the total weight of carbonaceous material. Also disclosed are electrodes and lead acid batteries comprising such compositions, and methods of making the compositions. | 12-29-2016 |
| 20190148714 | IMPROVED POLYMER LAYER MORPHOLOGY FOR INCREASED ENERGY AND CURRENT DELIVERY FROM A BATTERY-SUPERCAPACITOR HYBRID | 05-16-2019 |
| 20190148734 | ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY | 05-16-2019 |
| 20190148778 | METHOD OF MANUFACTURING LITHIUM ION BATTERY DEVICE AND LITHIUM ION BATTERY DEVICE | 05-16-2019 |
| 20220140322 | ANODE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - An anode material includes silicon-containing particles including a silicon composite substrate and an oxide MeO | 05-05-2022 |
