Entries |
Document | Title | Date |
20080296537 | Gas-phase functionalization of carbon nanotubes - In a method for functionalizing a carbon nanotube surface, the nanotube surface is exposed to at least one vapor including at least one functionalization species that non-covalently bonds to the nanotube surface, providing chemically functional groups at the nanotube surface, producing a functionalized nanotube surface. A functionalized nanotube surface can be exposed to at least one vapor stabilization species that reacts with the functionalization layer to form a stabilization layer that stabilizes the functionalization layer against desorption from the nanotube surface while providing chemically functional groups at the nanotube surface, producing a stabilized nanotube surface. The stabilized nanotube surface can be exposed to at least one material layer precursor species that deposits a material layer on the stabilized nanotube surface. | 12-04-2008 |
20080308773 | NOVEL COCRYSTALLINE METALLIC COMPOUNDS AND ELECTROCHEMICAL REDOX ACTIVE MATERIAL EMPLOYING THE SAME - The present invention includes an electrochemical redox active material. The electrochemical redox active material includes a cocrystalline metallic compound having a general formula A | 12-18-2008 |
20090057623 | DNA-BASED FUNCTIONALIZATION OF SINGLE WALLED CARBON NANOTUBES FOR DIRECTED ASSEMBLY - Disclosed herein is an article comprising a nucleic acid-carbon nanotube molecular composite in selective communication with at least one of a plurality of material phases; the selective communication being the result of an affinity of functional groups present in the nucleic acid-carbon nanotube molecular composite for the at least one of the plurality of material phases; the material phases being at least a part of a substrate; the nucleic acid-carbon nanotube molecular composite comprising at least one of i) a nucleic acid disposed on a functionalized carbon nanotube; ii) a functionalized nucleic acid disposed on a carbon nanotube; and iii) a functionalized nucleic acid disposed on a functionalized carbon nanotube to form a nucleic acid-carbon nanotube molecular composite. | 03-05-2009 |
20090072203 | Carbon-Coated Li-Containing Powders and Process for Production Thereof - The invention provides a new route for the synthesis of carbon-coated powders having the olivine or NASICON structure, which form promising classes of active products for the manufacture of rechargeable lithium batteries. Carbon-coating of the powder particles is necessary to achieve good performances because of the rather poor electronic conductivity of said structures. For the preparation of coated LiFePO | 03-19-2009 |
20090236564 | MIXED MATERIAL OF LITHIUM IRON PHOSPHATE AND CARBON, ELECTRODE CONTAINING SAME, BATTERY COMPRISING SUCH ELECTRODE, METHOD FOR PRODUCING SUCH MIXED MATERIAL, AND METHOD FOR PRODUCING BATTERY - Disclosed is a mixed material of lithium iron phosphate and carbon, which contains secondary particles as aggregates of lithium iron phosphate primary particles and a fibrous carbon which is present inside the secondary particles. An electrode containing such a mixed material, a battery comprising such an electrode, a method for producing such a mixed material, and a method for producing a battery are also disclosed. | 09-24-2009 |
20090309072 | Bacterial cellulose film and carbon nanotubes-like thin film structures developed from bacterial cellulose - A carbon nanotubes-like material is disclosed. The carbon nanotubes-like material comprises bacterial cellulose carbonized under an oxygen-free atmosphere. Also disclosed is a cathode material containing bacterial cellulose and LiFePO | 12-17-2009 |
20100019207 | Ternary Metal Transition Metal Non-Oxide Nano-Particles, Methods and Applications Thereof - The present invention is related to ternary metal transition metal non-oxide nano-particle compositions, methods for preparing the nano-particles, and applications relating in particular to the use of said nano-particles in dispersions, electrodes and capacitors. The nano-particle compositions of the present invention can include a precursor which includes at least one material selected from the group consisting of alkoxides, carboxylates and halides of transition metals, the material including transition metal(s) selected from the group consisting of vanadium, niobium, tantalum, tungsten and molybdenum. | 01-28-2010 |
20100019208 | CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND CATHODE AND LITHIUM BATTERY CONTAINING THE MATERIAL - Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active material to the average particle diameter of the small diameter active material ranges from about 6:1 to about 100:1. Mixing the large and small diameter active materials in a proper weight ratio improves packing density Additionally, including highly stable materials and highly conductive materials in the composite cathode active materials improves volume density, discharge capacity and high rate discharge capacity. | 01-28-2010 |
20100059717 | GaN CRYSTAL PRODUCING METHOD, GaN CRYSTAL, GaN CRYSTAL SUBSTRATE, SEMICONDUCTOR DEVICE AND GaN CRYSTAL PRODUCING APPARATUS - A method for producing a GaN crystal capable of achieving at least one of the prevention of nucleation and the growth of a high-quality non-polar surface is provided. The production method of the present invention is a method for producing a GaN crystal in a melt containing at least an alkali metal and gallium, including an adjustment step of adjusting the carbon content of the melt, and a reaction step of causing the gallium and nitrogen to react with each other. According to the production method of the present invention, nucleation can be prevented, and as shown in FIG. | 03-11-2010 |
20100065786 | Metal complexes for enhanced dispersion of nanomaterials, compositions and methods therefor - Metal complexes (“compatibilizers”) having properties particularly useful for treating and compatibilizing nanomaterials (i.e. carbon nanotubes, nanofibers, nanographite) include metal cations and anionic surfactants. The treated nanomaterials can be isolated as solid treated nanomaterial and used in further applications where increased dispersion is desirable. | 03-18-2010 |
20100065787 | METHOD FOR SYNTHESIS OF CARBON-COATED REDOX MATERIALS WITH CONTROLLED SIZE - A method for the synthesis of compounds of the formula C—Li | 03-18-2010 |
20100084615 | Synthesis of Crystalline Nanometric LiFeMPO4 - The present invention relates to lithium secondary batteries and more specifically to positive electrode materials operating at potentials greater than 2.8 V vs. Li | 04-08-2010 |
20100187483 | VOLTAGE SWITCHABLE DIELECTRIC COMPOSITION USING BINDER WITH ENHANCED ELECTRON MOBILITY AT HIGH ELECTRIC FIELDS - A binder for VSD composition is selected to have enhanced electron mobility in presence of high electric fields. | 07-29-2010 |
20100213420 | FINE PARTICLE COMPOSITE, METHOD FOR PRODUCING THE SAME, CATALYST USED FOR SOLID POLYMER FUEL CELL, AND SOLID POLYMER FUEL CELL - This invention provides a fine particle composite comprising fine particles of a sulfide or sulfide complex comprising at least one element selected from the group consisting of molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re) and conductive fine particles via a step of preparing a solvent mixture from a compound containing conductive carbon powder, at least one compound containing an element selected from among molybdenum (Mo), rhodium (Rh), ruthenium (R), and rhenium (Re), and sulfur (S) and a step of conducting a hydrothermal or solvothermal reaction at a pressure and temperature that convert the solvent mixture into a supercritical or subcritical water or solvent. | 08-26-2010 |
20100308277 | ELECTRICALLY CONDUCTIVE NANOCOMPOSITE MATERIAL COMPRISING SACRIFICIAL NANOPARTICLES AND OPEN POROUS NANOCOMPOSITES PRODUCED THEREOF - Nanocomposites of conductive, nanoparticulate polymer and electronically active material, in particular PEDOT and LiFePO | 12-09-2010 |
20100308278 | COMPOSITE FOR LI-ION CELLS AND THE PREPARATION PROCESS THEREOF - Disclosed herein is a composite for Li-ion cells, comprising an active material particle for Li-ion cells and an electronically conductive elastic material bound or attached to the active material particle. According to the present invention, the electronically conductive elastic material bound or attached to the active material particle allows the particle to maintain electronic contact with the electrode laminate matrix despite ongoing movement or expansion and contraction of the active material particles, such that the cycling efficiency and reversible capacity of the Li-ion cells prepared from the composite of the present invention is improved. | 12-09-2010 |
20110001094 | ELECTROCONDUCTIVE MATERIAL AND POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION SECONDARY BATTERY USING THE SAME - Disclosed is an electroconductive material which contains at least a vanadium oxide and a phosphorus oxide, and has a crystalline structure composed of a crystalline phase and an amorphous phase, in which the crystalline phase contains a monoclinic vanadium-containing oxide, and a volume of the crystalline phase is larger than that of the amorphous phase. | 01-06-2011 |
20110084238 | PROCESS FOR PREPARING LITHIUM VANADIUM OXIDES AND THEIR USE AS CATHODE MATERIAL - The present invention relates to a process for preparing lithium vanadium oxides and also a process for producing mixtures of a lithium vanadium oxide and at least one electrically conductive material. Furthermore, the invention relates to the use of lithium vanadium oxides or of mixtures of a lithium vanadium oxide and at least one electrically conductive material for producing cathodes for batteries and in electrochemical cells. In addition, the invention relates to cathodes which comprise a lithium vanadium oxide or a mixture of a lithium vanadium oxide and at least one electrically conductive material. | 04-14-2011 |
20110108774 | THERMOELECTRIC NANOCOMPOSITE, METHOD FOR MAKING THE NANOCOMPOSITE AND APPLICATION OF THE NANOCOMPOSITE - A thermoelectric nanocomposite is formed from homogeneous ceramic nanoparticles formed from at least one kind of tellurium compound. The ceramic nanoparticles have an average particle size from about 5 nm to about 30 nm and particularly to about 10 nm. The ceramic nanoparticles are coated with a particle coating in each case. The particle coating is formed from at least one layer of nanostructured, substantially intact carbon material. The nanocomposite may be formed by providing a precursor powder of homogeneous ceramic nanoparticles with at least one kind of a tellurium compound. A precursor coating of nanostructured, substantially intact carbon material is provided for the precursor nanoparticles. Heat treatment of the precursor powder generates the nanocomposite by conversion of the precursor coating into the particle coating. | 05-12-2011 |
20110127471 | DOPED GRAPHENE, METHOD OF MANUFACTURING THE DOPED GRAPHENE, AND A DEVICE INCLUDING THE DOPED GRAPHENE - A composition including graphene; and a dopant selected from the group consisting of an organic dopant, an inorganic dopant, and a combination including at least one of the foregoing. | 06-02-2011 |
20110210293 | Method for improving the electrochemical performances of an alkali metal oxyanion electrode material and alkali metal oxyanion electrode material obtained therefrom - Process for improving the electrochemical performance of an alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon, comprising a heat treatment under a humidified atmosphere where the heat treatment is performed at a temperature in the range of about 300° C. to about 950° C. | 09-01-2011 |
20110272639 | SYNTHESIS OF LITHIUM-METAL-PHOSPHATES UNDER HYDROTHERMAL CONDITIONS - The present invention relates to a process for the preparation of compounds of general formula (I) Li | 11-10-2011 |
20110284806 | ELECTRODE MATERIAL AND USE THEREOF FOR PRODUCTION OF ELECTROCHEMICAL CELLS - A compound of the general formula (I) | 11-24-2011 |
20110291055 | PRODUCTION PROCESS FOR LITHIUM-SILICATE-SYSTEM COMPOUND - The present invention is one which provides a production process for lithium-silicate-system compound, the production process being characterized in that: a lithium-silicate compound being expressed by Li | 12-01-2011 |
20110297889 | METHOD FOR MANUFACTURING A COMPOSITE MATERIAL OF SnO2 AND CARBON NANOTUBES AND/OR CARBON NANOFIBERS, MATERIAL OBTAINED BY THE METHOD, AND LITHIUM BATTERY ELECTRODE COMPRISING SAID MATERIAL - A method for manufacturing a composite material including tin oxide particles and a fibrillar carbon material, including synthesising tin hydroxide particles obtained from a tin salt by precipitation/nucleation in a water-alcohol medium, in the presence of the fibrillar carbon material and an acid, the fibrillar carbon material being nanotubes, carbon nanofibres, or a mixture of the two. The method can be used for the production of negative electrodes for lithium-ion batteries. | 12-08-2011 |
20120012797 | SYNTHESIS OF LITHIUM-IRON-PHOSPHATES UNDER HYDROTHERMAL CONDITIONS - The present invention relates to a process for the preparation of compounds of general formula (I) Li | 01-19-2012 |
20120018681 | PROCESS FOR OPTIMUM THERMOELECTRIC PROPERTIES - A process for forming a thermoelectric component having optimum properties is provided. The process includes providing a plurality of core-shell nanoparticles, the nanoparticles having a core made from silica, metals, semiconductors, insulators, ceramics, carbon, polymers, combinations thereof, and the like, and a shell containing bismuth telluride. After the core-shell nanoparticles have been provided, the nanoparticles are subjected to a sintering process. The result of the sintering provides a bismuth telluride thermoelectric component having a combined electrical conductivity and Seebeck coefficient squared of greater than 30,000 μV | 01-26-2012 |
20120025148 | SPUTTERING TARGET OF OXIDE SEMICONDUCTORS AND THE MANUFACTURING METHODS OF OXIDE SEMICONDUCTOR LAYERS - A technique capable of forming an oxide semiconductor target with a high quality in a low cost is provided. In a step of manufacturing zinc tin oxide (ZTO target) used in manufacturing an oxide semiconductor forming a channel layer of a thin-film transistor, by purposely adding the group IV element (C, Si, or Ge) or the group V element (N, P, or As) to a raw material, excessive carriers caused by the group III element (Al) mixed in the step of manufacturing the ZTO target are suppressed, and a thin-film transistor having good current (Id)-voltage (Vg) characteristics is achieved. | 02-02-2012 |
20120025149 | BATTERY GRADE CATHODE COATING FORMULATION - A process for preparing a formulation comprising a carbon-deposited lithium metal phosphate, as precursor of a lithium ion battery electrode coating slurry. | 02-02-2012 |
20120032119 | METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE - A method for producing lithium iron phosphate includes: an aqueous solution preparing step of preparing an aqueous solution containing a phosphoric acid and a carboxylic acid; a first forming step of adding iron particles containing 0.5 mass % or more of oxygen to the aqueous solution, and making the phosphoric acid and the carboxylic acid and the iron particles react with each other in the aqueous solution under an oxidizing atmosphere, to form a first reaction liquid is formed by; the second forming step of adding a lithium source to the first reaction liquid obtained in the synthesizing step to form a second reaction liquid; the precursor forming step of drying the second reaction liquid to form a lithium iron phosphate precursor; and the primary baking step of baking the lithium iron phosphate precursor under a non-oxidizing atmosphere thus obtaining lithium iron phosphate. | 02-09-2012 |
20120068123 | USE OF PHTHALOCYANINE COMPOUNDS WITH ARYL OR HETARYL SUBSTITUENTS IN ORGANIC SOLAR CELLS - The present invention relates to organic solar cell comprising at least one photoactive region comprising an organic donor material in contact with an organic acceptor material and forming a donor-acceptor heterojunction, wherein the photoactive region comprises at least one compound of the formulae Ia and/or Ib where M, (R | 03-22-2012 |
20120085975 | Synthesis of Crystalline Nanometric LiFeMPO4 - The invention relates to crystalline nanometric olivine-type LiFe | 04-12-2012 |
20120091400 | METHOD FOR THE PRODUCTION OF COMPOSITE MATERIALS - The present invention relates to a process for producing a nanocomposite material from
| 04-19-2012 |
20120097901 | PROCESS FOR THE PREPARATION OF LIFEPO4-CARBON COMPOSITES - The present invention relates to a process for the preparation of particles comprising at least one compound according to general formula (I) M | 04-26-2012 |
20120119160 | TRANSPARENT INTERMEDIATE TRANSFER MEMBERS CONTAINING ZINC OXIDE, POLYARYLSULFONE, AND POLYETHERAMINE - An intermediate transfer member including an optional supporting substrate, and in contact with the supporting substrate in the configuration of a layer a polyarylsulfone, a polyetheramine, and nano-size zinc oxide particles. | 05-17-2012 |
20120119161 | CATHODE ACTIVE MATERIAL FOR METAL-SULFUR BATTERY AND METHOD OF PREPARING THE SAME - A cathode active material for a metal-sulfur battery is provided. By using a cathode active material for a metal-sulfur battery comprising a sulfur-carbon composite composed of composited spherical sulfur compound particle and carbon material particle, electric conductivity of the cathode for a lithium-sulfur battery is increased to improve initial capacity close to theoretical capacity and polysulfide lost in the cathode during charging and discharging is minimized to increase sulfur utilization. Reaction between a metal anode and the polysulfide is minimized to increase life span and stability of the metal-sulfur battery. | 05-17-2012 |
20120132860 | PROCESS FOR PREPARING PRECURSORS FOR TRANSITION METAL MIXED OXIDES - A process for preparing transition metal mixed oxide precursors, including:
| 05-31-2012 |
20120153232 | THERMOPLASTIC MOLDING COMPOSITION - The thermoplastic molding composition comprises, based on the thermoplastic molding composition,
| 06-21-2012 |
20120153233 | THERMOPLASTIC MOLDING COMPOSITION - The thermoplastic molding composition comprises, based on the thermoplastic molding composition,
| 06-21-2012 |
20120161081 | COMPOSITION FOR PRINTING ELECTRODES - The invention relates to a composition for printing electrodes on a substrate, comprising 30 to 90% by weight of electrically conductive particles, 0 to 7% by weight of glass frit, 0.1 to 5% by weight of at least one absorbent for laser radiation, 0 to 8% by weight of at least one matrix material, 0 to 8% by weight of at least one organometallic compound, 3 to 50% by weight of water as a solvent, 0 to 65% by weight of at least one retention aid and 0 to 5% by weight of at least one additive, based in each case on the total mass of the composition. The invention further relates to a use of the composition. | 06-28-2012 |
20120168686 | Continuous Synthesis of Carbon-Coated Lithium-Iron-Phosphate - The invention relates to a continuous process for preparing carbon-coated lithium-iron-phosphate particles, wherein the carbon-coated lithium-iron-phosphate particles have a mean (d | 07-05-2012 |
20120168687 | 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. | 07-05-2012 |
20120205594 | ELECTRODE MATERIALS AND PROCESS FOR PRODUCING THEM - Process for producing electrode materials, wherein
| 08-16-2012 |
20120211703 | Lead-Acid Batteries and Pastes Therefor - A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m | 08-23-2012 |
20120217451 | PROCESS FOR PRODUCING PHOSPHATE COMPOUND AND METHOD FOR PRODUCING SECONDARY BATTERY - Solid particles of a compound (Y) having a composition represented by A | 08-30-2012 |
20120217452 | MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a mixed cathode active material including lithium manganese oxide expressed as Chemical Formula 1 and a stoichiometric spinel structure Li | 08-30-2012 |
20120248382 | ELECTRICAL TRACKING RESISTANCE COMPOSITIONS, METHODS & ARTICLES OF MANUFACTURE - This disclosure relates to polycarbonate compositions, methods, and articles of manufacture that at least meets certain electrical tracking resistance requirements. The compositions, methods, and articles of manufacture that meet these requirements contain at least a polycarbonate; a polysiloxane block co-polycarbonate; and a transition metal oxide, e.g. titanium dioxide. | 10-04-2012 |
20120248383 | LEAD-ACID BATTERIES AND PASTES THEREFOR - A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles. | 10-04-2012 |
20120305855 | POSITIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A positive electrode material for a secondary battery and a method for manufacturing the same are provided, in which manganese fluorophosphate containing lithium or sodium can be used as an electrode material. That is, a positive electrode material for a lithium/sodium battery is provided, in which intercalation/deintercalation of sodium/lithium ions is possible due to a short lithium diffusion distance caused by nanosizing of particles. Furthermore, a positive electrode material for a lithium/sodium battery is provided, which has electrochemical activity due to an increase in electrical conductivity by effective carbon coating. | 12-06-2012 |
20120313053 | HYDROGEN STORING CARBON MATERIAL - Provided is a hydrogen-storing carbon material with improved hydrogen storage capacity. The hydrogen-storing carbon material has a total pore volume of 0.5 cm | 12-13-2012 |
20130015410 | POSITIVE ELECTRODE ACTIVE MATERIALAANM Hashiba; YujiAACI NaritaAACO JPAAGP Hashiba; Yuji Narita JPAANM Yoshimura; KeiAACI InzaiAACO JPAAGP Yoshimura; Kei Inzai JPAANM Tachizono; ShinichiAACI NaritaAACO JPAAGP Tachizono; Shinichi Narita JPAANM Naito; TakashiAACI FunabashiAACO JPAAGP Naito; Takashi Funabashi JPAANM Aoyagi; TakuyaAACI HitachiAACO JPAAGP Aoyagi; Takuya Hitachi JPAANM Fujieda; TadashiAACI MitoAACO JPAAGP Fujieda; Tadashi Mito JP - A lithium ion secondary battery has a high cycle retention rate, and has its battery capacity increased. A positive electrode active material is used which includes a crystal phase having a structure formed by collecting a plurality of crystallites | 01-17-2013 |
20130043437 | MULTICOMPONENT NANOPARTICLE MATERIALS AND PROCESS AND APPARATUS THEREFOR - Multicomponent nanoparticles materials and apparatuses and processes therefor are disclosed. In one aspect of the disclosure, separate particles generated from solution or suspension or by flame synthesis or flame spray pyrolysis, and the resultant particles are mixed in chamber prior to collection or deposition. In another aspect of the disclosure, nanoparticles are synthesized in stagnation or Bunsen flames and allowed to deposit by theirnophoresis on a moving substrate. These techniques are scalable allowing mass production of multicomponent nanoparticles materials and films. The foregoing techniques can be used to prepare composites and component devices comprising one ore more lithium based particles intimately mixed with carbon particles. | 02-21-2013 |
20130062573 | NANOSTRUCTURED HIGH VOLTAGE CATHODE MATERIALS - Objects of the present invention include creating cathode materials that have high energy density and are cost-effective, environmentally benign, and are able to be charged and discharged at high rates for a large number of cycles over a period of years. One embodiment is a battery material comprised of a doped nanocomposite. The doped nanocomposite may be comprised of Li—Co—PO4; C; and at least one X, where said X is a metal for substituting or doping into LiCoPO4. In certain embodiments, the doped nanocomposite may be LiCoMnPO4/C. Another embodiment of the present invention is a method of creating a battery material comprising the steps of high energy ball milling particles to create complex particles, and sintering said complex particles to create a nanocomposite. The high energy ball milling may dope and composite the particles to create the complex particles. | 03-14-2013 |
20130069012 | COMPOSITIONS AND METHODS FOR MANUFACTURING A CATHODE FOR LITHIUM SECONDARY BATTERY - Disclosed are compositions and methods for producing a cathode for a secondary battery, where lithium manganese fluorophosphate such as Li | 03-21-2013 |
20130099174 | LITHIUM MANGANESE BORATE COMPOUNDS - The present invention generally relates to certain lithium materials, including lithium manganese borate materials. Such materials are of interest in various applications such as energy storage. Certain aspects of the invention are directed to lithium manganese borate materials, for example, having the formula Li | 04-25-2013 |
20130126794 | CARBON NANOFIBER CONTAINING METAL OXIDE OR INTERMETALLIC COMPOUND, PREPARATION METHOD THEREOF, AND LITHIUM SECONDARY BATTERY USING SAME - The present invention relates to a method for preparing a carbon nanofiber in which a nano-sized metal oxide or an intermetallic compound is dispersed, and more specifically, provides a preparation method comprising the step of electrospinning a metal precursor/carbon fiber precursor solution and heat treating the same. The carbon nanofiber containing a metal oxide or an intermetallic compound can be used as an anode material for a secondary battery. According to the present invention, a secondary battery using the carbon nanofiber containing a metal oxide or an intermetallic compound as an anode material has excellent capacity, and shows excellent cycle stability, in other words, maintains a capacity of 90% or more of the initial capacity even after 100 cycles, and the like. | 05-23-2013 |
20130134362 | CATHODE MATERIAL FOR SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME - Disclosed are a cathode material for a secondary battery, and a manufacturing method of the same. The cathode material includes a lithium manganese phosphate LiMnPO | 05-30-2013 |
20130153830 | FABRICATING POROUS MATERIALS USING INTREPENETRATING INORGANIC-ORGANIC COMPOSITE GELS - Porous materials are fabricated using interpenetrating inorganic-organic composite gels. A mixture or precursor solution including an inorganic gel precursor, an organic polymer gel precursor, and a solvent is treated to form an inorganic wet gel including the organic polymer gel precursor and the solvent. The inorganic wet gel is then treated to form a composite wet gel including an organic polymer network in the body of the inorganic wet gel, producing an interpenetrating inorganic-organic composite gel. The composite wet gel is dried to form a composite material including the organic polymer network and an inorganic network component. The composite material can be treated further to form a porous composite material, a porous polymer or polymer composite, a porous metal oxide, and other porous materials. | 06-20-2013 |
20130161570 | MANGANESE OXIDE/GRAPHENE NANOCOMPOSITE AND PRODUCING METHOD OF THE SAME - The present disclosure provides a method for producing a manganese oxide/graphene nanocomposite including synthesizing a manganese oxide/graphene nanocomposite through liquid phase reaction at a room temperature, a manganese oxide/graphene nanocomposite produced by the method, and an electrode material and a super-capacitor electrode including the manganese oxide/graphene nanocomposite. | 06-27-2013 |
20130168611 | COMPOSITE ELECTRODE MATERIAL, MANUFACTURING METHOD AND APPLICATION THEREOF - The invention relates to a composite electrode material, a manufacturing method and application thereof. The composite electrode material comprises manganese oxide, graphene and graphite oxide. The manufacturing method includes the following steps, first step: adequately milling graphene then ultrasonic dispersing it into water; second step: dissolving hypermanganate into the water containing graphene and obtaining the aqueous solution containing permanganate ion and graphene; third step: adding polyethylene glycol into the aqueous solution of second step under stirring and obtaining mixed solution; fourth step: stirring the mixed solution until fuchsia completely faded, then filtering, washing and drying precipitate and obtaining the composite electrode material. The composite electrode material has the following advantages: high specific surface area, high conductivity and high specific capacity, and can be applied to supercapacitor electrode material. | 07-04-2013 |
20130175482 | MATERIALS, AND THE PRODUCTION AND USE THEREOF - A material of the general formula (I) | 07-11-2013 |
20130193383 | CONDUCTIVE ADHESIVE - A conductive adhesive is provided useful for providing electrically conductive joints in joins between panels, particularly conductive carbon composite panels in a WESP, is prepared from a corrosion resistant resin and particulate carbon black which is uniformly dispersed in the resin. | 08-01-2013 |
20130214211 | COMPOSITION MADE OF POLYMERS AND ELECTRICALLY CONDUCTIVE CARBON - Polymer compositions which are antistatic or have been made conductive and the production thereof. | 08-22-2013 |
20130221283 | LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE MATERIAL FOR IMPROVING OUTPUT CHARACTERISTICS AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a positive electrode active material for improving an output and a lithium secondary battery including the same. Particularly, graphite and conductive carbon which have shapes and sizes different from each other, may be simultaneously coated on a mixed positive electrode material of a 3-component system lithium-containing metal oxide having a layered structure and expressed as following Chemical Formula 1 and LiFePO | 08-29-2013 |
20130228725 | CATHODE BASED UPON TWO KINDS OF COMPOUNDS AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a cathode for lithium secondary batteries comprising a combination of one or more compounds selected from Formula 1 and one or more compounds selected from Formula 2. The cathode provides a high-power lithium secondary battery composed of a non-aqueous electrolyte which exhibits long lifespan, long-period storage properties and superior stability at ambient temperature and high temperatures. | 09-05-2013 |
20130240798 | METHOD OF MANUFACTURE OF HOMODISPERSED SILICON CARBIDE-DERIVED CARBON COMPOSITES - The present invention concerns a method of manufacture of the homodispersed composite of the synthetic carbon material derived from carbide and silicon where the powder of the carbon material is first dispersed mechanically with the powder of silicon to homodispersed mixture, then the homodispersed mixture of the carbon material and silicon is sintered in an inert environment at a temperature between 1200 to 1500° C. to synthetic homodispersed composite of the silicon carbide and silicon. The homodispersed composite of the silicon carbide and silicon is heated in an inert environment at a temperature between 800 to 1100° C. and then the homodispersed composite of the silicon carbide and silicon is chlorinated at a temperature from 800 to 100° C. | 09-19-2013 |
20130248773 | DIRECT SYNTHESIS OF LITHIUM ION BATTERY ELECTRODE MATERIALS USING GRAPHENE TREATED RAW MATERIALS AS THE REACTANT - In one embodiment, a composition for use in making active materials for a lithium ion battery, the composition comprising a processed, homogenous mix of graphene-treated reactant, conductive material, and a Li and phosphate-based salt, the composition comprising a surface area of less than approximately 10 m | 09-26-2013 |
20130277618 | Bulk Purification and Deposition Methods for Selective Enrichment in High Aspect Ratio Single-Walled Carbon Nanotubes - The present disclosure includes purification and deposition methods for single-walled carbon nanotubes (SWNTs) that allow for purification without damaging the SWNTs. The present disclosure includes methods for reducing electrical resistance in SWNT networks. | 10-24-2013 |
20130277619 | PROCESS FOR THE PREPARATION OF HIGH VOLTAGE NANO COMPOSITE CATHODE (4.9vV) FOR LITHIUM ION BATTERIES - An olivine structured nano-composite LiM | 10-24-2013 |
20130277620 | METHOD FOR MODIFYING POSITIVE ELECTRODE MATERIALS FOR LITHIUM-ION BATTERIES - A method for modifying a positive electrode material for a lithium-ion battery. The method includes: a) stirring a liquid polyacrylonitrile (LPAN) solution at the temperature of between 80 and 300° C. for between 8 and 72 h to yield a cyclized LPAN solution; b) adding positive electrode material for a lithium-ion battery, in a powder form, to the cyclized LPAN solution, and evenly mixing a resulting mixture; c) grinding the mixture, and drying the mixture at room temperature; and d) calcining the mixture at the temperature of between 500 and 1800° C. for between 6 and 24 h in the presence of an inert gas to form a graphene-like structure by the cyclized LPAN. The graphene-like structure is evenly distributed in the positive electrode material of the lithium-ion battery to yield a graphene-like structure modified positive electrode material of the lithium-ion battery. | 10-24-2013 |
20130313485 | METHOD OF FABRICATING LiFePO4 CATHODE ELECTROACTIVE MATERIAL BY RECYCLING, AND LiFePO4 CATHODE ELECTROACTIVE MATERIAL, LiFePO4 CATHODE, AND LITHIUM SECONDARY BATTERY FABRICATED THEREBY - The present invention relates to a method for fabricating a LiFePO4 cathode electroactive material for a lithium secondary battery by recycling, and a LiFePO4 cathode electroactive material for a lithium secondary battery, a LiFePO4 cathode, and a lithium secondary battery fabricated thereby. The present invention is characterized in that a cathode scrap is heat treated in air for a cathode electroactive material to be easily dissolved in an acidic solution, and amorphous FePO | 11-28-2013 |
20130313486 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are an electrode for a non-aqueous electrolyte secondary battery capable of improving the dispersibility of a conducting agent in the electrode and forming a good conductive network, a method for producing the same, and a non-aqueous electrolyte secondary battery. An electrode for a non-aqueous electrolyte secondary battery includes an active material, a binder, carbon nanotubes, and a non-fibrous conductive carbon material, characterized in that the electrode includes a polyvinylpyrrolidone-based polymer in an amount in the range of 5 to 25 parts by mass relative to 100 parts by mass of the carbon nanotubes. | 11-28-2013 |
20130327993 | SYSTEM AND METHODS FOR A CATHODE ACTIVE MATERIAL FOR A LITHIUM ION BATTERY CELL - A material includes a first lithium metal oxide (LMO) component formed using a spray-dry technique and a second LMO component formed using a co-precipitation technique. In particular, the LMO components may include lithium nickel manganese cobalt oxide (NMC). The material may further include a binder and a conductive component. | 12-12-2013 |
20140001412 | CARBON-FEF2 AND CARBON-FE203 NANOCOMPOSITES, THEIR PREPARATION AND USE AS ELECTROCHEMICAL STORAGE MATERIAL | 01-02-2014 |
20140001413 | ACTIVE MATERIAL, ELECTRODE, LITHIUM ION SECONDARY BATTERY, AND METHOD FOR MANUFACTURING ACTIVE MATERIAL | 01-02-2014 |
20140042372 | METHOD FOR PRODUCING CATHODE-ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - The present invention provides a method for producing a cathode-active material containing an olivine-type lithium metal phosphate for a lithium secondary battery which does not need washing or sintering after hydrothermal synthesis, the method including a step in which hydrothermal synthesis is carried out by using a mixture containing HMnPO | 02-13-2014 |
20140084219 | DOPED MULTIWALLED CARBON NANOTUBE FIBERS AND METHODS OF MAKING THE SAME - In some embodiments, the present invention pertains to carbon nanotube fibers that include one or more fiber threads. In some embodiments, the fiber threads include doped multi-walled carbon nanotubes, such as doped double-walled carbon nanotubes. In some embodiments, the carbon nanotubes are functionalized with one or more functional groups. In some embodiments, the carbon nanotube fibers are doped with various dopants, such as iodine and antimony pentafluoride. In various embodiments, the carbon nanotube fibers of the present invention can include a plurality of intertwined fiber threads that are twisted in a parallel configuration with one another. In some embodiments, the carbon nanotube fibers include a plurality of fiber threads that are tied to one another in a serial configuration. In some embodiments, the carbon nanotube fibers of the present invention are also coated with one or more polymers. Additional embodiments of the present invention pertain to methods of making the aforementioned carbon nanotube fibers. | 03-27-2014 |
20140103263 | CATHODE MATERIAL - Provided is a cathode material capable of obtaining high energy density and superior instantaneous output characteristics in a lithium ion secondary battery. The cathode material is used in a lithium ion secondary battery ( | 04-17-2014 |
20140103264 | POSITIVE ELECTRODE MATERIALS FOR LITHIUM-ION BATTERIES AND METHOD FOR PREPARING THE SAME - A method for modifying a positive electrode material for a lithium-ion battery. The method includes: a) grinding a mixture of manganese dioxide and lithium carbonate, and calcining the mixture at no less than a temperature of 600° C. for no less than 20 hrs in the presence of air, to yield a powdery lithium manganese oxide (LiMn | 04-17-2014 |
20140110635 | METHOD FOR PRODUCING A CARBON-COATED LITHIUM SULFIDE AND USE THEREOF - The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS | 04-24-2014 |
20140124708 | METHOD FOR PRODUCING A CARBON-COATED LITHIUM SULFIDE AND USE THEREOF - The invention relates to a novel method for producing a carbon-doped lithium sulfide powder, according to which elementary lithium is reacted with elementary sulfur and/or a sulfur-containing compound selected from the group containing CS | 05-08-2014 |
20140145120 | IRON (III) ORTHOPHOSPHATE-CARBON COMPOSITE - A method for producing an iron(III)orthophosphate-carbon composite which contains iron(III)orthophosphate of the general formula FePO | 05-29-2014 |
20140145121 | NOVEL METHOD AND PRODUCT - The present invention relates to a combustion method for producing a lithium insertion material for a cathode in a Li-ion battery, the material comprising iron, lithium, silicon, and carbon. | 05-29-2014 |
20140151609 | SLURRY COMPOSITION FOR COMPOSITE PARTICLES FOR POSITIVE ELECTRODE AND METHOD FOR PRODUCING COMPOSITE PARTICLES FOR POSITIVE ELECTRODE - A slurry composition for composite particles for a positive electrode includes a positive electrode active material, a conductive material, a water soluble resin including a monomeric unit containing an acidic functional group, and a granular binder resin. The moisture content is at most 25% by mass, and the viscosity at a shear velocity of 10 s | 06-05-2014 |
20140175337 | Modified Maleimide Oligomer, Preparation Method Thereof and Composition Containing the Same - A modified maleimide oligomer is disclosed. The modified maleimide oligomer is made by performing a reaction of a compound having a barbituric acid structure, a free radical capture, and a compound having a maleimide structure. A composition for a battery is also disclosed. The composition includes the modified maleimide oligomer. | 06-26-2014 |
20140203218 | PRODUCTION METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - A method is employed for producing a positive electrode active material for a lithium secondary battery that comprises mixing lithium phosphate having a particle diameter D | 07-24-2014 |
20140231720 | POSITIVE ELECTRODE ACTIVE MATERIAL WITH IMPROVED OUTPUT AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - A mixed positive electrode active material comprising a lithium manganese oxide represented by following [Chemical Formula 1] and a second positive electrode active material represented by following [Chemical Formula 2], and a lithium secondary battery comprising the same are disclosed. | 08-21-2014 |
20140231721 | LITHIUM SILICATE-BASED COMPOUND, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY USING THE SAME - Provided is a novel lithium silicate-based material useful as a positive electrode material for lithium ion secondary battery. | 08-21-2014 |
20140239235 | AUTO-THERMAL EVAPORATIVE LIQUID-PHASE SYNTHESIS METHOD FOR CATHODE MATERIAL FOR BATTERY - Provided is an auto-thermal evaporative liquid-phase synthesis method for cathode material for battery, comprising the following steps: (1) Adding a synthetic raw material of cathode material into a solvent to obtain a mixture A, the synthetic raw material of the cathode material containing lithium source, adding an accelerant into the mixture A, which makes the mixture A achieve a strong auto-thermal reaction to release heat to evaporate the solvent, and obtaining a solid precursor of the cathode material; (2) Drying the precursor, sintering in an atmosphere furnace and obtaining the cathode material. The method is simple in process, low in energy consumption, requirements for equipment and cost, and is applicable to industrial mass production and application. The cathode material obtained through the method is stability in batch, easy to process, low in internal resistance and high in capacity and has an excellent charging and discharging performance. | 08-28-2014 |
20140264185 | RECYCLING METHOD OF OLIVINE-BASED CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE MATERIAL FABRICATED THEREFROM, AND CATHODE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a method for recycling LiFePO | 09-18-2014 |
20140264186 | Ion producing and infrared emitting composition - The present invention provides for a natural, non-toxic, environmentally friendly, “green” mineral based composition that produces ions and emits far infrared heat and the composition comprises tourmaline microcrystals and at least one activating element. | 09-18-2014 |
20140284526 | METHOD FOR FORMING METAL FLUORIDE MATERIAL - The present invention is directed to processing techniques and systems of metal fluoride based material, including but not limited to nickel difluoride, copper difluoride, manganese fluoride, chromium fluoride, bismuth fluoride, iron trifluoride, iron difluoride, iron oxyfluoride, metal doped iron fluorides, e.g., Fe | 09-25-2014 |
20140306162 | METHOD FOR THE RECOVERY OF LITHIUM COBALT OXIDE FROM LITHIUM ION BATTERIES - A method of recovering lithium cobalt oxide from spent lithium ion batteries, wherein said method is more environmentally friendly than the methods presently known in the art. The method includes a froth flotation step using renewable and biodegradable solvents such as terpenes and formally hydrated terpenes. The method can also include a relithiation step to return the Li:Co ratio back to about 1:1 for use in second-life applications. | 10-16-2014 |
20140332731 | Electrode Composition for Battery - Carbon nanotube-based compositions and methods of making an electrode for a battery are disclosed. It is an objective of the instant invention to disclose a composition for an electrode of a battery incorporating three dimensional networks of carbonaceous materials comprising a bi-modal diameter distribution of carbon nanotubes, CNT(A) and CNT(B), graphene, carbon black and, optionally, other forms of carbon-based pastes. | 11-13-2014 |
20140346409 | CARBON FIBER FOR COMPOSITE MATERIALS HAVING IMPROVED CONDUCTIVITY - A carbon fiber with a conductive finish includes carbon fiber filaments including a metal coating, wherein the carbon fiber filaments have a finish on the metal coating based on at least one polymer binder and containing conductive nanoparticles. The concentration of the metal coating is 8 to 25 wt. % and the concentration of the carbon nanotubes is 0.1 to 1 wt. %, each relative to the weight of the carbon fiber provided with the metal coating and finish. A method for producing fibers of this type is set forth, as well as a fiber-reinforced composite material comprising carbon fibers including carbon fiber filaments, wherein the carbon fiber filaments are coated with a metal, and a polymer-based matrix, wherein the percent by volume of the fibers in the composite material is 30 to 70 vol. % and the composite material additionally contains conductive nanoparticles which are dispersed at least partially in the matrix. | 11-27-2014 |
20140346410 | POSITIVE COMPOSITE MATERIAL FOR LITHIUM ION BATTERIES AND PREPARATION METHOD THEREOF - An anode composite material for lithium ion battery and a preparation method thereof. The composite material is a composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with Li | 11-27-2014 |
20140353555 | METHOD OF MANUFACTURING A MULTICOMPONENT SYSTEM LITHIUM PHOSPHATE COMPOUND PARTICLE HAVING AN OLIVINE STRUCTURE - A method of manufacturing a multicomponent lithium phosphate compound particle with an olivine structure of formula Li | 12-04-2014 |
20140361226 | Negative Electrode Active Material and Use of Same - This invention relates to an anode active material comprising at least one iron oxide selected from the group consisting of amorphous iron oxides, ferrihydrite, and lepidocrocite. The invention also relates to a lithium ion secondary battery anode material comprising the anode active material as a constituent component, a lithium ion secondary battery anode comprising the lithium ion secondary battery anode material, and a lithium ion secondary battery comprising the lithium ion secondary battery anode. | 12-11-2014 |
20150014601 | METHOD FOR PRODUCING LITHIUM METAL PHOSPHATE - Method for the production of lithium metal phosphate, wherein a dry mixture containing a lithium compound, a metal compound, wherein the metal is selected from Fe, Mn and mixtures thereof, and a phosphate is provided, the dry mixture is converted to LiMPO | 01-15-2015 |
20150028264 | POSITIVE ELECTRODE FOR BATTERY, AND BATTERY - A positive electrode for a battery includes a positive active material, a conductive agent, and a copolymer. The copolymer includes a constituent unit (a) represented by the following general formula (1) and a constituent unit (b) represented by the following general formula (2): | 01-29-2015 |
20150069305 | DOPED, PASSIVATED GRAPHENE NANOMESH, METHOD OF MAKING THE DOPED, PASSIVATED GRAPHENE NANOMESH, AND SEMICONDUCTOR DEVICE INCLUDING THE DOPED, PASSIVATED GRAPHENE NANOMESH - A doped, passivated graphene nanomesh includes a graphene nanomesh, a plurality of nanoholes formed in a graphene sheet, and a plurality of carbon atoms which are formed adjacent to the plurality of nanoholes; a passivating element bonded to the plurality of carbon atoms; and a dopant bonded to the passivating element, the dopant comprising one of an electron-donating element for making the graphene nanomesh an n-doped graphene nanomesh, and an electron-accepting element for making the graphene nanomesh a p-doped graphene nanomesh. | 03-12-2015 |
20150083975 | COMPOSITE BINDER COMPOSITION FOR SECONDARY BATTERY, CATHODE AND LITHIUM BATTERY CONTAINING THE BINDER COMPOSITION - In an aspect, a binder composition, a cathode including the same, and a lithium battery including the cathode, wherein the binder composition includes a first fluorine containing binder including a polar functional group; a second fluorine containing binder not including a polar functional group; and a non-fluorine containing binder including a repeating unit resulting from polymerization of an acryl monomer and a repeating unit resulting from polymerization of an olefin monomer, wherein the first fluorine containing binder is a vinylidene fluoride containing binder is provided. | 03-26-2015 |
20150090940 | PROCESS FOR THE PREPARATION OF CRYSTALLINE LITHIUM-, IRON- AND PHOSPHATE-COMPRISING MATERIALS - The present application relates to a process for the preparation of compounds of general formula (I) | 04-02-2015 |
20150102267 | METHOD FOR PREPARING GRAPHENE-BASED LiFePO4/C COMPOSITE MATERIAL - The present invention relates to a method for preparing a graphene-based LiFePO | 04-16-2015 |
20150108411 | METHOD OF PREPARING GRAPHENE NANOPLATE, PREPARED GRAPHENE NANOPLATE, GRAPHENE NANOPLATE PASTE, AND CONDUCTIVE LAYER INCLUDING THE GRAPHENE NANOPLATE - A method for preparing graphene nanoplate (GNP) is provided and includes preparing expanded graphite (EG) and exfoliating, grinding, or cracking the expanded graphite to crack the EG induced by gas-phase-collision. A graphene nanoplate paste and a conductive coating layer formed of the graphene nanoplate paste are provided and are prepared by the method for preparing graphene nanoplate. | 04-23-2015 |
20150115206 | PREDOPING METHOD FOR LITHIUM, LITHIUM-PREDOPED ELECTRODE, AND ELECTRICITY STORAGE DEVICE - A predoping method for lithium, which is characterized by mixing and kneading, in the presence of a solvent, lithium metal with (a) silicon and a composite dispersion of silicon and silicon dioxide, (b) particles represented by SiOx (wherein 0.5≦x<1.6) and having a fine structure wherein fine silicon particles are dispersed in a silicon-based compound, and (c) an Si-based material that is a mixture of one or more oxides selected from among the lower oxides of silicon represented by the above-mentioned formula and that is capable of absorbing and desorbing lithium ions; a lithium-predoped electrode which uses the predoping method for lithium; and an electricity storage device. | 04-30-2015 |
20150123042 | Lead-Acid Batteries and Pastes Therefor - A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m | 05-07-2015 |
20150303448 | Cathode for a Battery - An electrode for an electrochemical cell including an active electrode material and an intrinsically conductive coating wherein the coating is applied to the active electrode material by heating the mixture for a time and at a temperature that limits degradation of the cathode active material. | 10-22-2015 |
20150325841 | METHOD OF MANUFACTURE OF AN ELECTRODE MATERIAL AND AN ELECTRODE MATERIAL - The present invention relates to a method of manufacturing an amorphous electrode material comprising the steps of:
| 11-12-2015 |
20150333319 | POSITIVE ELECTRODE ACTIVE MATERIAL/GRAPHENE COMPOSITE PARTICLES, AND POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION CELL - To provide: positive electrode active material/graphene composite particles, which are for a positive electrode active material of a lithium ion battery having low electron conductivity, and with which electron conductivity is improved while suppressing hindrance of lithium ion extraction/insertion into active material particles; and a positive electrode material for a lithium ion battery, said positive electrode material comprising said composite particles. [Solution] The present invention provides: positive electrode active material/graphene composite particles; and a composite particle-like positive electrode material which is used in a lithium ion battery, and which is obtained by combining, with a matrix including graphene, positive electrode active material particles, said positive electrode material wherein, a value obtained by dividing the proportion of carbon (%) in a material surface measured by way of an X-ray photoelectron measurement, by the proportion of carbon (%) in the whole material, is in the range 1.5 to 7 inclusive. | 11-19-2015 |
20150360952 | METHOD FOR MANUFACTURING OF THREE-DIMENSIONAL FREESTANDING POROUS THIN-GRAPHITE WITH HIERARCHICAL POROSITY - The present invention includes an apparatus and a method of making a three dimensional graphite structure with a controlled porosity comprising: plating a metal layer on at least one of a nickel, an iron or a cobalt foam substrate; annealing the metal and the nickel, iron or cobalt foam into a porous metal-nickel, iron or cobalt catalyst, wherein the catalyst has a smooth and a porous surface; etching the smooth surface of the annealed porous metal-nickel, iron or cobalt catalyst; growing a carbonaceous layer on the porous surface of the annealed porous metal-nickel, iron or cobalt catalyst; and completely etching the porous metal-nickel, iron or cobalt catalyst to obtain the graphite layer. | 12-17-2015 |
20150364749 | METHOD FOR PREPARING ELECTRODE ACTIVE MATERIAL SLURRY, AND ELECTRODE ACTIVE MATERIAL SLURRY PREPARED BY METHOD - The present invention relates to a method for preparing electrode active material slurry, and an electrode active material slurry prepared by the method, the method comprising the steps of: (S1) mixing a conductive agent and a first dispersion medium to thus prepare a conductive agent dispersion, and mixing an electrode active material and a second dispersion medium to thus prepare an electrode active material dispersion; and (S2) dispersing the conductive agent dispersion while adding the same to the electrode active material dispersion. The present invention first prepares an electrode active material dispersion and a conductive agent dispersion having a whole zeta-potential while maintaining a stable state of a mixed material, and thereafter mixes the electrode active material dispersion and the conductive agent dispersion to thus prepare an electrode active material slurry, thereby having the effects of, compared with a conventional method, being capable of uniformly dispersing an electrode active material and a conductive agent within an electrode active material slurry and furthermore, even if using a conductive agent having a characteristic of difficulty dispersibility, being capable of adequately dispersing the conductive agent, and, compared with prior art, not lowering the cycle characteristics of a cell even if reducing the content of the conductive agent. | 12-17-2015 |
20150364750 | CARBON NANOTUBE-METAL NANOCOMPOSITES AS FLEXIBLE, FREE STANDING, BINDER FREE HIGH PERFORMANCE ANODE FOR LI ION BATTERY - The present invention relates to carbon nanotubes-metal nano composite by chemical route and the corresponding development of strong and flexible, light weight, self-supporting anode through simple vacuum filtration technique, which is favored by the high aspect ratio of the Multi-walled carbon nanotubes. The self-supported anode has an added advantage that it can be used as electrodes without binder and electrical conductor (unlike other carbonaceous powder materials) that helps us to elucidate the precise electrochemical properties. The metals used can be Sn, Si, Al, etc. The developed high capacity, free-standing anode can be used in rechargeable Li-ion batteries and is demonstrated successfully in powering solar lantern. | 12-17-2015 |
20160013490 | Aliginates as binders for battery cathodes | 01-14-2016 |
20160093884 | HIGH CAPACITY PRELITHIATION REAGENTS AND LITHIUM-RICH ANODE MATERIALS - Described here is a method for making an anode of a rechargeable battery, comprising incorporating a composition comprising Li | 03-31-2016 |
20160133938 | NOVEL COMPOSITE CONDUCTIVE MATERIAL - A novel active material comprising graphene-fibrous carbon composite and a method of making it is provided. The composite is highly uniform and conductive. The composite comprises graphene or nanoporous graphene and fibrous carbon, preferably vapor grown carbon fibers (VGCF) and optionally a lithiummetalphosphate (LMP), preferably lithiumferrophosphate or lithiummanganesephosphate. | 05-12-2016 |
20160141114 | NANOCOMPOSITE OF MULTILAYER FULLERENES WITH TRANSITION METAL OXIDE NANOPARTICLES AND A PROCESS FOR THE PREPARATION THEREOF - Disclosed herein is a simple, cheaper and green approach for low temperature synthesis of functionalized multilayer fullerene from the pure ghee (clarified butter) to get activated multishell graphitized non-porous fullerene in the form of nano-onions (CNOs), for fabricating high performance exohedral type of super capacitors by incorporating suitable transition metal oxide. Further the invention relates to an exohedral type supercapacitor composite, comprising non-porous CNOs and transition metal oxide nanoparticles with enhanced specific capacitance in 0.5 M H | 05-19-2016 |
20160141618 | LITHIUM ION SECONDARY BATTERY - The present invention relates to a secondary battery, specifically, a secondary battery having excellent stability and improved output characteristic and low temperature characteristic by including a cathode active material in which at least one of metals forming the cathode active material has a concentration gradient in an entire region from a central portion up to a surface portion; and a conductive material mixture in which carbon nanotube is mixed with carbon black at an appropriate ratio, the carbon black being a spherical nanoparticle. | 05-19-2016 |
20160156019 | METHOD FOR PREPARING POLYANION-CARBON NANOFIBER COMPOSITE CATHODE ACTIVE MATERIAL | 06-02-2016 |
20160197347 | LMFP Cathode Materials with Improved Electrochemical Performance | 07-07-2016 |
20160197349 | ADDITIVES FOR IMPROVING THE IONIC CONDUCTIVITY OF LITHIUM-ION BATTERY ELECTRODES | 07-07-2016 |
20190148724 | LITHIUM ION SECONDARY BATTERY | 05-16-2019 |