Entries |
Document | Title | Date |
20080213663 | DIGITAL ALLOYS AND METHODS FOR FORMING THE SAME - Alloys of tunable compositions and corresponding optical, electrical and mechanical properties are described. Also described are their uses in optoelectronic devices and material interfaces. | 09-04-2008 |
20090004564 | Composite Negative Electrode Active Material, Method For Producing The Same And Non-Aqueous Electrolyte Secondary Battery - A composite negative electrode active material including silicon oxide particles represented by SiO | 01-01-2009 |
20090004565 | Silver manganese vanadium oxide electrodes for lithium batteries - This invention relates to electrodes for non-aqueous lithium cells and batteries. More specifically, the invention relates to silver manganese vanadium oxide positive electrodes for such cells and batteries. The silver manganese vanadium oxide electrodes may contain substituents or dopants to improve the electrochemical properties of the electrodes, cells and batteries. The silver manganese vanadium oxide electrodes optionally contain silver powder and/or silver foil to assist in current collection at the electrodes and to improve the power capability of the cells or batteries. The invention also includes a method for preparing the electrodes by decomposition of a permanganate salt, such as AgMnO | 01-01-2009 |
20090075174 | LEAD-FREE BATTERY AND VEHICLE SYSTEM USING LEAD-FREE BATTERY - The present invention provides a high-performance, high-capacity secondary battery that uses neither sulfuric acid in the electrolyte solution, nor other materials that could contribute to environmental pollution. The present invention also provides a vehicle system employing a lead-free battery that uses no lead nor sulfuric acid, which can be harmful to the environment, and that achieves a higher performance and higher capacity that lead storage batteries. Further, the vehicle system includes a supplementary charging function for charging the battery while the vehicle is running, by taking advantage of the fast-charging characteristics of the lead-free battery, which are superior to those of lead storage batteries, enabling the vehicle to travel long distances on a single external charge. The secondary battery has an electrode formed of calcium, silver oxide, and carbon as the anode, an electrode formed of zinc and carbon as the cathode, and an aqueous alkaline solution as the electrolyte solution. The vehicle system has at least first and second battery packs configured of these lead-free batteries, in-wheel generators mounted within wheels of the vehicle, an electric motor for driving the vehicle, and a charging/discharging switch device having a controller for automatically switching between the first and second battery packs. | 03-19-2009 |
20090081547 | LITHIUM ION SECONDARY BATTERY - The present invention aims to achieve both safety upon shorting by a nail penetration and safety upon overcharging. | 03-26-2009 |
20090087746 | Spherical Metal Carbonates and Lithium Metal Oxides for Lithium Rechargeable Batteries - A number of materials with the composition Li | 04-02-2009 |
20090123839 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM-ION SECONDARY BATTERY - A positive electrode for a lithium-ion secondary battery includes a positive-electrode mixture layer, which includes a positive-electrode active material containing lithium composite oxide, a conductive material, and a binder, and a current collector. The positive-electrode mixture layer contains a compound including sulfur and/or phosphorous, a first polymer serving as a main binder, and a second polymer different from the first polymer. | 05-14-2009 |
20090258295 | ELECTROCHEMICAL ENERGY SOURCE, AND METHOD FOR MANUFACTURING SUCH AN ELECTROCHEMICAL ENERGY SOURCE - The invention relates to an electrochemical energy source, comprising: a substrate, and at least one stack deposited onto said substrate, the stack comprising: an anode, a cathode, and an intermediate solid-state electrolyte separating said anode and said cathode; and at least one electron-conductive barrier layer being deposited between the substrate and the anode, which barrier layer is adapted to at least substantially preclude diffusion of active species of the stack into said substrate. The invention further relates to a method for manufacturing such an electrochemical energy source, comprising the steps of: A) depositing at least one electron-conductive barrier layer onto the substrate, and B) depositing at least one stack of an anode, an solid-state electrolyte, and a cathode successively onto said electron-conductive barrier layer. | 10-15-2009 |
20090325071 | Intercalation Electrode Based on Ordered Graphene Planes - An intercalation electrode includes an electron current collector and graphene planes deposited normal to the surface of the current collector substrate. The graphene planes are deposited on the current collector substrate from a carbon-precursor gas using, for example, chemical vapor deposition. In an embodiment of an anode for a lithium-ion battery, the graphene planes are intercalated with lithium atoms. A lithium-ion battery may include this anode, a cathode, and a non-aqueous electrolyte. In repeated charging and discharging of the anode, lithium atoms and ions are readily transported between the graphene planes of the anode and the electrolyte. | 12-31-2009 |
20100003601 | ELECTROCHEMICAL ENERGY SOURCE WITH A CATHODIC ELECTRODE COMPRISING AT LEAST ONE NON-OXIDIC ACTIVE SPECIES AND ELECTRIC DEVICE COMPRISING SUCH AN ELECTROCHEMICAL ENERGY SOURCE - The invention relates to an electrochemical energy source, comprising a substrate and at least one electrochemical cell deposited onto said substrate, wherein the cell comprises an anodic electrode, a cathodic electrode and an electrolyte separating said anodic electrode and said cathodic electrode and wherein the cathodic electrode comprises at least one non-oxidic composition, said composition comprising active species. The invention disclosed in this document describes how a battery, consisting of a lithium alloy anodic electrode and a cathodic electrode made of this different class of materials mentioned above, might be a suitable alternative for a battery stack comprising conventionally used materials, especially in applications in which a high current capability is essential. | 01-07-2010 |
20100003602 | ELECTRODE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY - Provided is an electrode material for non-aqueous secondary batteries which comprises an active material coated with a coating material containing a coating compound comprising Al and O, where peaks of | 01-07-2010 |
20100035153 | Multi-component intermetallic electrodes for lithium batteries - Multi-component intermetallic negative electrodes prepared by electrochemical deposition for non-aqueous lithium cells and batteries are disclosed. More specifically, the invention relates to composite intermetallic electrodes comprising two or more compounds containing metallic or metaloid_elements, at least one element of which can react with lithium to form binary, ternary, quaternary or higher order compounds, these compounds being in combination with one or more other metals that are essentially inactive toward lithium and act predominantly, but not necessarily exclusively, to the electronic conductivity of, and as current collection agent for, the electrode. The invention relates more specifically to negative electrode materials that provide an operating potential between 0.05 and 2.0 V vs. metallic lithium. | 02-11-2010 |
20100068623 | POROUS BATTERY ELECTRODE FOR A RECHARGEABLE BATTERY AND METHOD OF MAKING THE ELECTRODE - A porous battery electrode for a rechargeable battery includes a monolithic porous structure having a porosity in the range of from about 74% to about 99% and comprising a conductive material. An active material layer is deposited on the monolithic porous structure. The pores of the monolithic porous structure have a size in the range of from about 0.2 micron to about 10 microns. A method of making the porous battery electrode is also described. | 03-18-2010 |
20100075226 | ELECTRODES INCLUDING NOVEL BINDERS AND METHODS OF MAKING AND USING THE SAME - Provided are electrode compositions for lithium-ion electrochemical cells that include novel binders. The novel binders include lithium polysalts of carboxylic and sulfonic acids, lithium salts of copolymers of acids, lithium polysulfonate fluoropolymers, a cured phenolic resin, cured glucose, and combinations thereof. | 03-25-2010 |
20100143799 | CATHODE AND LITHIUM BATTERY USING THE SAME - A cathode and a lithium battery including the cathode have improved electrical characteristics. The cathode includes a cathode active material composition including a conducting agent, a binder, and a cathode active material, wherein the cathode active material includes a first lithium compound and a second lithium compound, the first lithium compound having an open-circuit voltage greater than an open-circuit voltage of the second lithium compound, and wherein the second lithium compound includes a metal oxide coating layer. | 06-10-2010 |
20100151323 | ELECTRODE, ELECTRODE PASTE AND ELECTRONIC PARTS USING THE SAME - The objects of the present invention are to provide a copper-base electrode which can be calcined in an oxidative atmosphere, e.g., in air, like a silver electrode, and is less expensive than a silver electrode; an electrode paste; and electronic parts using it. The other objects of the present invention are to provide a copper-base electrode which can be calcined in an inert gas atmosphere, e.g., in nitrogen, at low temperature; an electrode paste; and electronic parts using it. | 06-17-2010 |
20100190057 | METHOD - A composite electrode includes an active component directly bonded to a current collector. The direct bonding provides a low resistance contact between the current collector and the active material. The active component can be provided as fibres of silicon. The fibres can be free or attached to a support. | 07-29-2010 |
20100248031 | Anode for secondary battery and secondary battery using the same - A secondary battery includes an anode for a secondary battery, a cathode which absorbs and discharges lithium ions, and an electrolyte which is placed between the anode for the secondary battery and the cathode. The anode for the secondary battery includes an anode active material layer which absorbs and discharges lithium ions, the anode active material layer including a first layer including carbon as a chief ingredient, and a second layer including at least one first element having a theoretical capacity greater than a theoretical capacity of graphite, and at least one second element which has a theoretical capacity equal to or less than the theoretical capacity of graphite. The second layer includes particles, and the particles include the first element and the second element. | 09-30-2010 |
20100266897 | High-Powered Electrochemical Energy Storage Devices and Methods for Their Fabrication - The present invention relates to electrochemical storage devices, such as supercapacitors, batteries, etc., and more particularly to such devices that comprise an electrochemically active coaxial nanowire. The invention particularly concerns such devices in which the coaxial nanowire comprises an inner core of a transition metal oxide and an axially surrounding outer shell composed of an electroconductive organic polymer, such as poly(3,4-ethylenedioxythiophene) (PEDOT). The invention particularly relates to a facile method for achieving the self-assembly of such coaxial nanowires. | 10-21-2010 |
20100279172 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode having a composite negative active material of a metal and a carbonaceous material; a positive electrode having a mixed positive active material of about 90 to 99 wt % of a first positive active material selected from cobalt, manganese, phosphate acid-based, or combinations thereof and about 1 to about 10 wt % of a nickel-based second positive active material; and a non-aqueous electrolyte. | 11-04-2010 |
20100285359 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - A negative active material for a rechargeable lithium battery includes: a crystalline carbon core including pores; an amorphous carbon shell positioned on the core surface; metal nanoparticles dispersed inside the pores; and amorphous carbon inside the pores, wherein a first particle diameter difference (D50−D10) of the nanoparticles is from about 70 to about 150 nm and the second particle diameter difference (D90−D50) of the nanoparticles is from about 440 to about 520 nm. | 11-11-2010 |
20100297499 | SILVER OXYFLUORIDE ELECTRODE COMPOSITIONS AND METHODS - The present invention relates to a novel class of silver oxyfluoride based electrode materials based on the perovskite structure used in primary and rechargeable electromechanical energy storage systems. | 11-25-2010 |
20110014522 | PROTECTED ACTIVE METAL ELECTRODE AND BATTERY CELL WITH IONICALLY CONDUCTIVE PREOTECTIVE ARCHITECTURE - Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided. | 01-20-2011 |
20110045350 | MESOPOROUS MATERIALS FOR ELECTRODES - Mesoporous electrode materials with large particle size where the majority of particles have sizes in excess of 15 μm have a well connected internal mesopore network, and have high power capability when used as intercalation materials for a range of battery and supercapacitor chemistries that rely on intercalation mechanisms to store charge. | 02-24-2011 |
20110059362 | METHODS FOR FORMING FOAMED ELECTRODE STRUCTURES - Electrode structures may include an electronically conductive foam in contact with an electronically conductive substrate. In some embodiments, the foam may be formed by coating a porous precursor material in contact with a substrate with an electronically conductive material and subsequently removing the precursor material. In some embodiments, the foam may be formed by removing a non-conductive component of a composite material in contact with a substrate, leaving a conductive component in contact with the substrate. Electrode structures may be coated with electronically conductive materials or sintered at elevated temperature to improve durability and conductivity. | 03-10-2011 |
20110065001 | Iron Oxyfluoride Electrodes for Electrochemical Energy Storage - The present invention provides electrochemical energy storage systems comprising metallolyte composites, iron fluoride composites and iron oxyfluoride composites. The present invention further provides methods for fabricating metallolyte composites. | 03-17-2011 |
20110086270 | MESOPOROUS PARTICULATE MATERIALS - Relatively disordered mesoporous particulate materials have internal porosity, a surface area of 100 m2/g or greater with a network of pores characterised by a peak in the pore size distribution at a value between 2 and 20 nm and a ratio of the half-height width of the distribution's peak to the pore diameter axis position of the peak of at least 0.6. | 04-14-2011 |
20110104568 | Negative Electrode For Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and an active material layer formed on the current collector. The active material layer includes a solid solution of a metallic component, and an active material that is capable of forming a lithium-included compound, the metallic component selected from Cu, Ti, a Cu—X alloy, a Ti—X alloy, and a combination thereof. In the alloys, X is selected from an alkaline metal, an alkaline-earth metal, a Group | 05-05-2011 |
20110159367 | NEGATIVE ELECTRODE INCLUDING METAL/METALLOID NANOTUBES, LITHIUM BATTERY INCLUDING THE NEGATIVE ELECTRODE, AND METHOD OF MANUFACTURING THE NEGATIVE ELECTRODE - A negative electrode includes nanotubes including a metal/metalloid, disposed on a conductive substrate, and having opened ends. A lithium battery includes the negative electrode. | 06-30-2011 |
20110159368 | 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; and an electrolytic solution. The anode includes an anode active material layer including a plurality of anode active material particles. The anode active material particles each include a core section and a coating section applied to a part or a whole of a surface of the core section, and the core section includes a silicon-based material (SiO | 06-30-2011 |
20110165461 | ELECTRODE INCLUDING NANOCOMPOSITE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - The present invention provides an electrode and a method of preparing the same. The electrode of the present invention is prepared by forming a nanostructured conductor comprising a metal or metal oxide on a substrate and forming an active material comprising metal oxide nanoparticles on the surface of the nanostructured conductor. The electrode of the present invention can be used in various electrochemical devices such as energy storage devices including secondary batteries, supercapacitors, etc., photocatalyst elements, thermoelectric elements, or composite elements thereof. Moreover, the electrode of the present invention can be applied to a lithium secondary battery, in which intercalation/deintercalation of lithium ions is performed, and especially applied to a negative electrode of the lithium secondary battery. | 07-07-2011 |
20110200878 | LITHIUM CONTAINING TRANSITION METAL SULFIDE COMPOUNDS - The present invention provides composition comprising at least one lithium-containing transition metal sulfide and carbon, wherein particles of the carbon are dispersed at the microscopic level on individual particles of the lithium-containing transition metal sulfide. | 08-18-2011 |
20110244329 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY HAVING THE SAME - Provided are a cathode active material for a lithium secondary battery and a lithium secondary battery including the same. The cathode active material includes a lithium composite oxide represented by the following Chemical Formula 1. | 10-06-2011 |
20110274972 | HYDROGEN-ABSORBING ALLOY AND NICKEL-METAL HYDRIDE RECHARGEABLE BATTERY - The present invention aims to increase the discharge capacity and to improve the cycle life performance in a nickel-metal hydride rechargeable battery using a La—Mg—Ni based hydrogen-absorbing alloy as an active material of a negative electrode. The present invention provides a hydrogen-absorbing alloy represented by the general formula (1): M1 | 11-10-2011 |
20110281164 | NEGATIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING THE SAME - A negative electrode active material including mesoporous silica having mesopores filled with a metal and a lithium battery including the same. | 11-17-2011 |
20110305952 | NEGATIVE ACTIVE MATERIAL, ELECTRODE INCLUDING THE SAME, AND LITHIUM BATTERY INCLUDING ELECTRODE - A negative active material, an electrode including the same, and a lithium battery including the electrode. The negative active material has no volumetric expansion and has high solubility with respect to lithium. In addition, the negative active material is in the form of spherical particles, and thus does not require a separate granulating process. Moreover, the negative active material may enhance the capacity of a lithium battery. | 12-15-2011 |
20110311872 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR ELEVATION OF OUTPUT AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A lithium secondary battery having improved output characteristics is provided. A high voltage mixed positive electrode active material has an even profile without causing a rapid voltage drop over the entire SOC area by improving a rapid voltage drop phenomenon occurring due to the difference between the operation voltages of mixed lithium transition metal oxides, and improves output characteristics at a low voltage. The lithium secondary battery includes the mixed positive electrode active material. In particular, the lithium secondary battery can sufficiently satisfy the required conditions such as output characteristics, capacity, stability, and the like, when it is used as a power source of a midsize or large device such as an electric vehicle. | 12-22-2011 |
20120003537 | POSITIVE ELECTRODE ACTIVE SUBSTANCE, POSITIVE ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active substance comprising a lithium-containing metal oxide represented by the following general formula (1): | 01-05-2012 |
20120009474 | POSITIVE ELECTRODE ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY AND METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL - A positive electrode active material includes: a secondary particle obtained upon aggregation of a primary particle that is a lithium complex oxide particle in which at least nickel (Ni) and cobalt (Co) are solid-solved as transition metals, wherein an average composition of the whole of the secondary particle is represented by the following formula (1): | 01-12-2012 |
20120034524 | Nano-Composite Anode for High Capacity Batteries and Methods of Forming Same - A battery anode comprised of metallic nanowire arrays is disclosed. In one embodiment the lithium battery uses Silicon nanowires or another element that alloy with Lithium or another element to produce high capacity lithium battery anodes. | 02-09-2012 |
20120070741 | HIGH CAPACITY BATTERY ELECTRODE STRUCTURES - Provided are battery electrode structures that maintain high mass loadings (i.e., large amounts per unit area) of high capacity active materials in the electrodes without deteriorating their cycling performance. These mass loading levels correspond to capacities per electrode unit area that are suitable for commercial electrodes even though the active materials are kept thin and generally below their fracture limits. A battery electrode structure may include multiple template layers. An initial template layer may include nanostructures attached to a substrate and have a controlled density. This initial layer may be formed using a controlled thickness source material layer provided, for example, on a substantially inert substrate. Additional one or more template layers are then formed over the initial layer resulting in a multilayer template structure with specific characteristics, such as a surface area, thickness, and porosity. The multilayer template structure is then coated with a high capacity active material. | 03-22-2012 |
20120077087 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the carbon layer with a pore wall of specific thickness placed therebetween. | 03-29-2012 |
20120082894 | ANODE ACTIVE MATERIAL, SECONDARY BATTERY, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery includes a cathode, an anode containing an anode active material, and an electrolytic solution. The anode active material contains tin, iron, cobalt, carbon, and titanium as an element. In the anode active material, a carbon content is from 9 mass % to 30 mass % both inclusive, a ratio of cobalt to total of iron and cobalt is from 10 mass % to 80 mass % both inclusive, a ratio of the total of iron and cobalt to total of tin, iron, and cobalt is from 11.3 mass % to 26.3 mass % both inclusive, a titanium content is from 0.5 mass % to 8 mass % both inclusive, and half-width of diffraction peak obtained by X-ray diffraction (peak obtained where diffraction angle of 2θ is from 34 deg to 37 deg both inclusive) is 1 deg or more. | 04-05-2012 |
20120141872 | Rechargeable lithium battery including negative active material - A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiO | 06-07-2012 |
20120164532 | LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by the following equation (1), as a positive electrode active material, and a charge capacity (vs lithium metal) per unit volume during a charge and discharge of a first cycle is larger in the second lithium composite oxide compared to the first lithium composite oxide, and a discharge voltage (vs lithium metal) during the charge and discharge of the first cycle is lower in the second lithium composite oxide compared to the first lithium composite oxide, Li | 06-28-2012 |
20120164533 | LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery including a positive electrode; a negative electrode; and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by following formula (1) as a positive electrode active material, and wherein the second lithium composite oxide has a charge capacity greater than the first lithium composite oxide | 06-28-2012 |
20120177993 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY ANODE MATERIAL WITH A UNIFORM METAL-SEMICONDUCTOR ALLOY LAYER - The present invention relates to nonaqueous electrolyte secondary batteries and durable anode materials and anodes for use in nonaqueous electrolyte secondary batteries. The present invention also relates to methods for producing these anode materials. In the present invention, a metal-semiconductor alloy layer is formed on an anode material by contacting a portion of the anode material with a displacement solution. The displacement solution contains ions of the metal to be deposited and a dissolution component for dissolving a part of the semiconductor in the anode material. When the anode material is contacted with the displacement solution, the dissolution component dissolves a part of the semiconductor in the anode material thereby providing electrons to reduce the metal ions and deposit the metal on the anode material. After deposition, the anode material and metal are annealed to form a uniform metal-semiconductor alloy layer. | 07-12-2012 |
20120214066 | High Aspect Ratio Patterning of Silicon - A silicon nanowire array including a multiplicity of silicon nanowires extending from a silicon substrate. Cross-sectional shape of the silicon nanowires and spacing between the silicon nanowires can be selected to maximize the ratio of the surface area of the silicon nanowires to the volume of the nanowire array. Methods of forming the silicon nanowire array include a nanoimprint lithography process to form a template for the silicon nanowire array and an electroless etching process to etch the template formed by the nanoimprint lithography process. | 08-23-2012 |
20120219858 | NEGATIVE ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY AND NON-AQUEOUS SECONDARY BATTERY - The object of the present invention is to inhibit occurrence of structural collapse caused by volumetric change of primary particles of negative electrode active material and to improve adhesion between negative electrode active material and electrically conductive agent and between negative electrode mix layer and collector, whereby improvement of life is attained in negative electrode for non-aqueous secondary battery and non-aqueous secondary battery. In the negative electrode for non-aqueous secondary battery of the present invention, the negative electrode active material comprises silicon and/or tin, and at least one element selected from elements which do not react with lithium and has pores in both of the inner core portion and the outer peripheral portion of primary particles and a material which cures by a heat treatment is used as a binder. | 08-30-2012 |
20120219859 | ELECTRODE MATERIALS FOR MAGNESIUM BATTERIES - A compound of formula A | 08-30-2012 |
20120231338 | SUPPORT FOR CATALYST SUPPORTING, CARRIER WITH SUPPORTED CATALYST, ELECTRODE, AND BATTERY - A support for carrying a catalyst is obtained by carbonizing raw materials containing a nitrogen-containing organic substance and a metal. The support for carrying a catalyst may have a peak at a diffraction angle of around 26° in an X-ray diffraction pattern, the peak including 20 to 45% of a graphite-like structure component and 55 to 80% of an amorphous component. In addition, the support for carrying a catalyst may have an intensity ratio of a band at 1,360 cm | 09-13-2012 |
20120251882 | COMPOSITE, ELECTRODE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY INCLUDING THE COMPOSITE, METHOD OF PREPARING THE COMPOSITE, ANODE FOR SECONDARY LITHIUM BATTERY INCLUDING THE ELECTRODE ACTIVE MATERIAL, AND SECONDARY LITHIUM BATTERY INCLUDING THE ANODE - A composite includes a compound selected from the group consisting of a lithium lanthanum zirconium oxide and a lithium lanthanum tantalum oxide; a lanthanum oxide; and an oxide selected from the group consisting of a lanthanum zirconium oxide and a lanthanum tantalum oxide. An electrode active material for a secondary lithium battery may include such composite. Methods of preparing the composite, an electrode for a secondary lithium battery including the electrode active material, and a secondary lithium battery including the electrode are disclosed. | 10-04-2012 |
20120270105 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery disclosed in the present application includes: a positive electrode capable of absorbing and releasing lithium, containing a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystalline structure; and a negative electrode capable of absorbing and releasing lithium, containing a negative electrode active material composed of a lithium-containing transition metal oxide obtained by substituting some of Ti element of a lithium-containing titanium oxide having a spinel crystalline structure with one or more element different from Ti, wherein a retention of the negative electrode is set to be greater than a retention of the positive electrode, and an irreversible capacity rate of the negative electrode is set to be greater than an irreversible capacity rate of the positive electrode, whereby a discharge ends by negative electrode limitation. | 10-25-2012 |
20120282522 | Spray Pyrolysis Synthesis of Mesoporous Positive Electrode Materials for High Energy Lithium-Ion Batteries - A lithium metal oxide positive electrode material useful in making lithium-ion batteries that is produced using spray pyrolysis. The material comprises a plurality of metal oxide secondary particles that comprise metal oxide primary particles, wherein the primary particles have a size that is in the range of about 1 nm to about 10 μm, and the secondary particles have a size that is in the range of about 10 nm to about 100 μm and are uniformly mesoporous. | 11-08-2012 |
20120321953 | Graphene-enabled vanadium oxide cathode and lithium cells containing same - A nano graphene-enabled vanadium oxide composite composition for use as a lithium battery cathode active material, wherein the composite composition is formed of one or a plurality of graphene, graphene oxide, or graphene fluoride sheets or platelets and a plurality of nano-particles, nano-rods, nano-wires, nano-sheets, and/or nano-belts of a vanadium oxide with a size smaller than 100 nm (preferably smaller than 20 nm, further preferably smaller than 10 nm, and most preferably smaller than 5 nm), and wherein the graphene, graphene oxide, or graphene fluoride (having a thickness <20 nm, preferably <10 nm, further preferably <5 nm, and being most preferably of single-layer or less than 5 layers) is in an amount of from 0.01% to 50% (preferably <10%) by weight based on the total weight of graphene, graphene oxide or graphene fluoride and the vanadium oxide combined. This electrode material exhibits an unprecedented combination of outstanding specific capacity, capacity retention, and rate capability characteristics. | 12-20-2012 |
20120321954 | PRODUCTION PROCESS FOR COMPOSITE OXIDE, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - The present invention is a production process for composite oxide being expressed by a compositional formula: LiMn | 12-20-2012 |
20120321955 | LITHIUM-ION SECONDARY BATTERY - A lithium-ion secondary battery is characterized in that it is equipped with:
| 12-20-2012 |
20120328945 | LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY NEGATIVE ELECTRODE, BATTERY PACK, ELECTRIC VEHICLE, ELECTRICITY STORAGE SYSTEM, POWER TOOL, AND ELECTRONIC APPARATUS - A lithium ion secondary battery is provided with a positive electrode, a negative electrode containing an active material, and an electrolytic solution, wherein the active material includes a core portion capable of occluding and releasing lithium ions, an amorphous or low-crystalline coating portion disposed on at least a part of the surface of the core portion, and a fibrous carbon portion disposed on at least a part of the surface of the coating portion, and the coating portion contains Si and O as constituent elements, while the atomic ratio y (O/Si) of O relative to Si satisfies 0.5≦y≦1.8. | 12-27-2012 |
20130011737 | PROCESS OF MAKING NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY USING THE SAME - A process of electroless plating a tin or tin-alloy active material onto a metal substrate for the negative electrode of a rechargeable lithium battery comprising steps of (1) immersing the metal substrate in an aqueous plating solution containing metal ions to be plated, (2) plating tin or tin-alloy active material onto the metal substrate by contacting the metal substrate with a reducing metal by swiping one on the other, and (3) removing the plated metal substrate from the plating bath and rinsing with deionized water. A rechargeable lithium battery using tin or tin-alloy as the anode active material. | 01-10-2013 |
20130022869 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POSITIVE ELECTRODE - A positive electrode active material for a lithium secondary battery includes a lithium cobalt complex oxide containing an alkali earth metal and a transition metal in a predetermined mixture ratio. A method of preparing the positive electrode active material includes mixing a lithium salt, a transition metal precursor, and an alkali earth metal salt to form a mixture, and performing at least one thermal treatment on the mixture. A positive electrode for a lithium secondary battery includes the positive electrode active material, and a lithium secondary battery includes the positive electrode. | 01-24-2013 |
20130022870 | ANODE ACTIVE MATERIAL INCLUDING A MULTILAYER METAL NANOTUBE, ANODE INCLUDING THE ANODE ACTIVE MATERIAL, LITHIUM BATTERY INCLUDING THE ANODE, AND METHOD OF PREPARING THE ANODE ACTIVE MATERIAL - An anode active material, an anode including the anode active material, a lithium battery including the anode, and a method of preparing the anode active material. The anode active material includes: a multilayer metal nanotube including: an inner layer; and an outer layer on the inner layer, wherein the inner layer includes a first metal having an atomic number equal to 13 or higher, and the outer layer includes a second metal different from the first metal. | 01-24-2013 |
20130022871 | Active Material for an Electrode of a Galvanic Element - A material, in particular an active material, for an electrode of a galvanic element, and a method for the production of the material, a mixture for the production of an electrode for a galvanic element, and a galvanic element, in particular a battery, and a medical implant comprising such a battery. | 01-24-2013 |
20130029223 | Cathode Materials for Secondary (Rechargeable) Lithium Batteries - The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO | 01-31-2013 |
20130052534 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC DEVICE - A cathode includes a lithium transition metal complex compound including lithium, one, or two or more transition metals, magnesium, and oxygen as constituent elements. In a standardized X-ray absorption spectrum of the lithium transition metal complex compound measured by an X-ray absorption spectroscopic method, a first absorption edge having absorption edge energy E1 in X-ray absorption intensity of about 0.5 exits in a range where X-ray energy is from about 1303 eV to about 1313 eV both inclusive, in a discharged state in which a discharge voltage is about 3.0 V, and a second absorption edge having absorption edge energy E2 in X-ray absorption intensity of about 0.5 exits, in a charged state in which a charge voltage V is from about 4.3 V to about 4.5 V both inclusive. The absorption edge energies E1 and E2 and the charge voltage V satisfy a relation of E2−E1≧(V−4.25)×4. | 02-28-2013 |
20130071744 | NOVEL ELECTRODES AND RECHARGEABLE BATTERIES - The present invention provides cathodes, methods of making cathodes, and electrochemical cells (e.g., batteries) that employ these cathodes having improved properties over traditional cathodes, methods, or electrochemical cells. | 03-21-2013 |
20130071745 | ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE SAME - An electrode active material, a method of manufacturing the same, and an electrode and a lithium battery utilizing the same. The electrode active material includes a core capable of intercalating and deintercalating lithium and a coating layer formed on at least a portion of a surface of the core, wherein the coating layer includes a composite metal halide having a spinel structure. | 03-21-2013 |
20130084499 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery, a positive electrode active material includes a carbon-coated lithium vanadium phosphate and a lithium nickel composite oxide. A negative electrode active material includes a carbon-based active material capable of intercalating and deintercalating lithium ions. When a first charge capacity of a negative electrode per unit area is “x” (mAh/cm | 04-04-2013 |
20130122369 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes a carbon-nanoparticle composite including a crystalline carbon material including pores, and amorphous nanoparticles dispersed either inside the pores, or on the surface of the crystalline carbon material, or both inside the pores and on the surface of the crystalline carbon material. At least one of the amorphous nanoparticles includes a metal oxide layer in a form of a film on the surface, and the amorphous nanoparticles have a full width at half maximum of about 0.35 degree (°) or greater at a crystal plane producing the highest peak as measured by X-ray diffraction analysis. | 05-16-2013 |
20130136984 | COMPOSITE NITRIDE, METHOD OF PREPARING THE SAME, ELECTRODE ACTIVE MATERIAL INCLUDING THE COMPOSITE NITRIDE, ELECTRODE INCLUDING THE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTRODE - A composite nitride, a method of preparing the composite nitride, an electrode active material including the composite nitride, an electrode including the electrode active material, and a lithium secondary battery including the electrode, the composite nitride including a core material including a bronze-phase titanium oxide; and a nitrogen atom doped on at least part of the core material. | 05-30-2013 |
20130177808 | ANODE PROTECTOR OF LITHIUM-ION BATTERY AND METHOD FOR FABRICATING THE SAME - An anode protector of a lithium-ion battery and a method for fabricating the same are provided. A passivation protector ( | 07-11-2013 |
20130196231 | BATTERY FOR AN IMPLANTABLE MEDICAL DEVICE - A battery may include a first electrode and a second electrode. In some examples, the first electrode may include a metal substrate including a major surface, where a plurality of tunnels extend into the major surface, and an electrode composition is deposited onto the major surface of the metal substrate, where a portion of the electrode composition is positioned within the plurality of tunnels. The battery may be positioned within a housing of an implantable medical device (IMD). | 08-01-2013 |
20130244111 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME - Provided are a positive active material including a spinel lithium manganese oxide surface-coated with one or more types of nanoparticles selected from olivine-type lithium metal phosphate and metal oxide, a method of preparing the same and a lithium secondary battery using the same. The positive active material provides a lithium secondary battery having improved high-temperature cycle life characteristic and capacity per weight. | 09-19-2013 |
20130252104 | POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE - Provided is a positive electrode for a lithium ion secondary battery sequentially including a positive electrode collector, a positive electrode active material layer able to insert/extract lithium ions, and a lithium ion conductive layer. | 09-26-2013 |
20130260244 | LITHIUM MANGANESE OXIDE POSITIVE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME - Provided are a lithium manganese oxide positive active material for a lithium ion secondary battery and a lithium ion secondary battery including the same. The lithium manganese oxide positive active material includes a spinel lithium manganese oxide of three or more types of particles having different sizes mixed therein, wherein first type particles have an average diameter of 5 μm or greater, second type particles have an average diameter of 1 μm or less, third type particles have an average diameter of 200 nm or less, and the average diameter of the second type particles is greater than that of the third type particles. | 10-03-2013 |
20130266864 | FERROUS PHOSPHATE POWDERS, LITHIUM IRON PHOSPHATE POWDERS FOR LI-ION BATTERY, AND METHODS FOR MANUFACTURING THE SAME - Ferrous (II) phosphate (Fe | 10-10-2013 |
20130273425 | MIXED PHOSPHATE-DIPHOSPHATE ELECTRODE MATERIALS AND METHODS OF MANUFACTURING SAME - This invention relates generally to electrode materials, electrochemical cells employing such materials, and methods of synthesizing such materials. The electrode materials have a crystal structure with a high ratio of Li to metal M, which is found to improve capacity by enabling the transfer of a greater amount of lithium per metal, and which is also found to improve stability by retaining a sufficient amount of lithium after charging. Furthermore, synthesis techniques are presented which result in improved charge and discharge capacities and reduced particle sizes of the electrode materials. | 10-17-2013 |
20130302682 | METAL FLUORIDE AND PHOSPHATE NANOCOMPOSITES AS ELECTRODE MATERIALS - The present invention relates to primary and secondary electrochemical energy storage systems. More particularly, the present invention relates to such systems as battery cells, especially battery cells utilizing metal fluorides with the presence of phosphates or fluorophosphates, which use materials that take up and release ions as a means of storing and supplying electrical energy. | 11-14-2013 |
20130316238 | NANOSIZED PARTICLES USED IN ANODE FOR LITHIUM ION SECONDARY BATTERIES, AND METHOD FOR PRODUCING THE SAME - A nanosized particle has a first phase that is a simple substance or a solid solution of element A, which is Si, Sn, Al, Pb, Sb, Bi, Ge, In or Zn, and a second phase that is a compound of element D, which is Fe, Co, Ni, Ca, Sc, Ti, V, Cr, Mn, Sr, Y, Zr, Nb, Mo, Ru, Rh, Ba, lanthanoid elements (not including Ce and Pm), Hf, Ta, W or Ir, and element A, or a compound of element A and element M, which is Cu, Ag, or Au. The first phase and second phase are bound via an interface, and are exposed to the outer surface. The surface of the first phase other than the interface is approximately spherical. Furthermore, a lithium ion secondary battery includes the nanosized particle as an anode active material. | 11-28-2013 |
20130337326 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material including a lithium transition metal oxide with a layered or spinel structure; and a plurality of CNTs on a surface of the lithium transition metal oxide. | 12-19-2013 |
20130337327 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention relates to a cathode active material for a lithium secondary battery comprising: a core including a compound represented by chemical formula 1, and a shell including a compound represented by chemical formula 2, wherein the material composition of the core and the material composition of the shell are different; and a lithium secondary battery including the cathode active material for a lithium secondary battery. | 12-19-2013 |
20140038051 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM BATTERY, METHOD OF PREPARING THE NEGATIVE ACTIVE MATERIAL, AND LITHIUM BATTERY EMPLOYING THE NEGATIVE ACTIVE MATERIAL - A negative active material for a lithium battery with an improved cycle characteristic and capacity retention rate, and the negative active material comprises a plurality of particles comprising a plurality of first particles comprising Si, Ti, and Ni; and composite particles comprising a plurality of second particles in which at least one element selected from the group consisting of Cu, Fe, Ni, Au, Ag, Pd, Cr, Mn, Ti, B, and P is partially or completely deposited on surface(s) of other of first particles, a method of preparing the negative active material, and a lithium battery including a negative electrode including the negative active material. | 02-06-2014 |
20140045066 | FERROUS PHOSPHATE POWDERS, LITHIUM IRON PHOSPHATE POWDERS FOR LI-ION BATTERY, AND METHODS FOR MANUFACTURING THE SAME - Ferrous (II) phosphate (Fe | 02-13-2014 |
20140057171 | ANODE AND LITHIUM BATTERY INCLUDING THE SAME - An anode includes a plurality of metal fibers with a three-dimensional (3D) network structure, and a silicon-containing layer having a thickness of about 0.3 μm or less formed on a surface of and inside the 3D network structure of the plurality of metal fibers. | 02-27-2014 |
20140057172 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE COMPOSITE ANODE ACTIVE MATERIAL - In an aspect, a composite anode active material including lithium titanium oxide particles; and a TiN, and TiN a method of preparing the composite anode active material, and a lithium battery including the composite anode active material is provided. | 02-27-2014 |
20140057173 | COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE COMPOSITE ANODE ACTIVE MATERIAL - In an aspect, a composite anode active material including a lithium titanium oxide; and phosphates, a method of preparing the composite anode active material, and a lithium battery including the composite anode active material is provided. | 02-27-2014 |
20140057174 | GAS CELL DRIVEN ORIENTATION INDEPENDENT DELIVERY DEVICE - An orientation independent delivery device. The delivery device includes a gas chamber, a delivery chamber, a gas cell, and a delivery aperture. The gas chamber includes a gas-side rigid portion and a gas-side flexible barrier. The gas-side flexible barrier is sealed to the gas-side rigid portion. The delivery chamber includes a delivery-side rigid portion and a delivery-side flexible barrier. The delivery-side flexible barrier is sealed to the delivery-side rigid portion and is oriented adjacent to the gas-side flexible barrier. The gas cell is coupled to the gas-side rigid portion of the gas chamber. The gas cell increases a gas pressure within the gas chamber to expand the gas-side flexible barrier. Expansion of the gas-side flexible barrier applies a compressive force to the delivery-side flexible barrier allowing a delivery material to escape from the delivery chamber. | 02-27-2014 |
20140087254 | CATHODE COMPOSITE MATERIAL AND LITHIUM ION BATTERY USING THE SAME - A cathode composite material includes a cathode active material and a coating layer coated on a surface of the cathode active material. The cathode active material includes a layered type lithium transition metal oxide. A material of the coating layer is a lithium metal oxide having a crystal structure belonging to C2/c space group of the monoclinic crystal system. The present disclosure also relates to a lithium ion battery including the cathode composite material. | 03-27-2014 |
20140087255 | COMPOSITE ANODE ACTIVE MATERIAL, ANODE AND LITHIUM BATTERY EACH INCLUDING THE COMPOSITE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE COMPOSITE ANODE ACTIVE MATERIAL - A composite anode active material, an anode including the composite anode active material, a lithium battery including the anode, and a method of preparing the composite anode active material. The composite anode active material includes: a shell including a hollow carbon fiber; and a core disposed in a hollow of the hollow carbon fiber, wherein the core includes a first metal nanostructure and a conducting agent. | 03-27-2014 |
20140106222 | POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL - A positive active material including: a lithium-containing oxide, and a lithium-intercalatable phosphate compound disposed on the lithium-containing oxide. | 04-17-2014 |
20140170492 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM BATTERY, PREPARING METHOD THEREOF AND LITHIUM BATTERY - Provided is a positive electrode material for a lithium battery with an atomic ratio expressed by the formula (I) Li | 06-19-2014 |
20140186706 | Battery Anode with Preloaded Metals - A method is presented for fabricating an anode preloaded with consumable metals. The method provides a material (X), which may be one of the following materials: carbon, metals able to be electrochemically alloyed with a metal (Me), intercalation oxides, electrochemically active organic compounds, and combinations of the above-listed materials. The method loads the metal (Me) into the material (X). Typically, Me is an alkali metal, alkaline earth metal, or a combination of the two. As a result, the method forms a preloaded anode comprising Me/X for use in a battery comprising a M1 | 07-03-2014 |
20140186707 | Battery with an Anode Preloaded with Consumable Metals - A method is provided for fabricating a battery using an anode preloaded with consumable metals. The method forms an ion-permeable membrane immersed in an electrolyte. A preloaded anode is immersed in the electrolyte, comprising Me | 07-03-2014 |
20140234710 | NEGATIVE ACTIVE MATERIAL, NEGATIVE ELECTRODE, AND LITHIUM BATTERY - A negative active material includes a conductive unit bound in island-like form to silicon-based nanowires on a carbonaceous base. Such negative active material may improve the electrical conductivity of the silicon-based nanowires, and suppress separation of the silicon-based nanowires caused from volume expansion, and thus may improve lifetime characteristics of a lithium battery. | 08-21-2014 |
20140234711 | Energy Storage Devices - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li | 08-21-2014 |
20140234712 | Energy Storage Devices Including Support Filaments - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li | 08-21-2014 |
20140234713 | Energy Storage Devices Including Silicon and Graphite - A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li | 08-21-2014 |
20140242463 | CATHODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention provides a positive active material for a secondary lithium battery, a method of preparing the positive active material, and a secondary lithium battery including the positive active material, wherein the positive active material includes a lithium metal composite oxide core represented by the following Chemical Formula 1, and a coating layer including a fluorine compound and positioned at a shell of the lithium metal composite oxide core. | 08-28-2014 |
20140248540 | PROCESS OF MAKING NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY USING THE SAME - A process of electroless plating a tin or tin-alloy active material onto a metal substrate for the negative electrode of a rechargeable lithium battery comprising steps of (1) immersing the metal substrate in an aqueous plating solution containing metal ions to be plated, (2) plating tin or tin-alloy active material onto the metal substrate by contacting the metal substrate with a reducing metal by swiping one on the other, and (3) removing the plated metal substrate from the plating bath and rinsing with deionized water. A rechargeable lithium battery using tin or tin-alloy as the anode active material. | 09-04-2014 |
20140272583 | PRETREATMENT COMPOSITIONS AND METHODS FOR COATING A BATTERY ELECTRODE - Disclosed is a cathode of a lithium-ion battery having a conductive substrate, a first layer covering at least a portion of the conductive substrate comprising a pretreatment composition comprising a Group IIIB and/or Group IV metal, and a second layer covering at least a portion of the conductive substrate and first layer, the second layer comprising a coating composition comprising a lithium-containing compound. Also disclosed is method for treating a battery cathode and a battery having the treated cathode. | 09-18-2014 |
20140295272 | METAL OXYGEN BATTERY AND A METHOD FOR MANUFACTURING OXYGEN STORAGE MATERIAL USED THEREIN - Provided is a metal oxygen battery | 10-02-2014 |
20140315084 | METHOD AND APPARATUS FOR ENERGY STORAGE - In accordance with an example embodiment of the present invention, apparatus is provided comprising first and second electrodes, first and second current collectors, an electrolyte, and a first contact layer; wherein the electrolyte is configured to separate the first and second electrodes; and wherein the first contact layer is configured to form an electrical contact between the first current collector and the first electrode. | 10-23-2014 |
20140315085 | BATTERIES WITH NANOSTRUCTURED ELECTRODES AND ASSOCIATED METHODS - Several embodiments related to batteries having electrodes with nanostructures, compositions of such nanostructures, and associated methods of making such electrodes are disclosed herein. In one embodiment, a method for producing an anode suitable for a lithium-ion battery comprising preparing a surface of a substrate material and forming a plurality of conductive nanostructures on the surface of the substrate material via electrodeposition without using a template. | 10-23-2014 |
20140342228 | Metal/Non-Metal Co-Doped Lithium Titanate Spheres with Hierarchical Micro/Nano Architectures for High Rate Lithium Ion Batteries - The present invention is to provide a lithium titanate (LTO) material for a lithium ion battery. The LTO material has hierarchical micro/nano architecture, and comprises a plurality of micron-sized secondary LTO spheres, and a plurality of pores incorporated with metal formed by a metal dopant. Each of the micron-sized secondary LTO spheres comprises a plurality of nano-sized primary LTO particles. A plurality of the nano-sized primary LTO particles is encapsulated by a non-metal layer formed by a non-metal dopant. The LTO material of the present invention has high electrical conductivity for increasing the capacity at high charging/discharging rates, and energy storage capacity. | 11-20-2014 |
20140342229 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - Disclosed are a cathode active material for a lithium secondary battery, and a lithium secondary battery including the same. The disclosed cathode active material includes a core including a compound represented by Formula 1; and a shell including a compound represented by Formula 2, in which the core and the shell have different material compositions. | 11-20-2014 |
20140356712 | PRECURSOR OF A CATHODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, CATHODE ACTIVE MATERIAL, METHOD FOR MANUFACTURING THE CATHODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE CATHODE ACTIVE MATERIAL - Disclosed are a precursor for a rechargeable lithium battery, a positive active material including the same, a preparation method thereof, and a rechargeable lithium battery including the positive active material. More particularly, the present invention relates to a precursor including a sheet-shaped plate having a thickness of about 1 nm to about 30 nm and that is represented by the following Chemical Formula 1. | 12-04-2014 |
20140356713 | CATHODE ACTIVE MATERIAL WITH WHOLE PARTICLE CONCENTRATION GRADIENT FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode active material with whole particle concentration gradient for a lithium secondary battery, a method for preparing same, and a lithium secondary battery having same, and more specifically, to a composite anode active material, a method for manufacturing same, and a lithium secondary battery having same, the composite anode active material having excellent lifetime characteristics and charge/discharge characteristics through the stabilization of crystal structure as the concentration of a metal comprising the anode active material shows concentration gradient in the whole particle, and having thermostability even in high temperatures. | 12-04-2014 |
20150024269 | SULFATE ELECTRODES - The invention relates to electrodes that contain active materials of the formula: A | 01-22-2015 |
20150064556 | ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material. | 03-05-2015 |
20150072236 | Metal Foam for Electrode of Secondary Lithium Battery, Preparing Method Thereof, and Secondary Lithium Battery Including the Metal Foam - Using metal foams for the electrode of secondary lithium battery, preparing method thereof, and secondary lithium battery including the metal foam. A metal foam is used in an electrode of secondary lithium battery where the surface and the inner pore walls are coated with the active materials, a method of manufacturing such metal foam, and secondary lithium battery including the metal foam. | 03-12-2015 |
20150072237 | TRANSITION METAL-METAPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-metaphosphate of Chemical Formula 1: | 03-12-2015 |
20150072238 | TRANSITION METAL- PYROPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-pyrophosphate of Chemical Formula 1 below: | 03-12-2015 |
20150079471 | LITHIUM-ION BATTERY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF - The present disclosure provides a lithium-ion battery positive electrode material and a preparation method thereof. In the lithium-ion battery positive electrode material, a secondary particle comprises lithium-containing multi-element transition metal oxide primary particles and a second phase material, a second phase material forms a second phase material layer distributed on a surface of the primary particle and forms a diffusion layer together with the lithium-containing multi-element transition metal oxide by means of atoms mutual diffusion to make the second phase material layer combined with the primary particle during formation of the secondary particle from the primary particles, thereby effectively suppressing chalking of the secondary particle along boundary among the primary particles, and effectively controlling size of the primary particles and the secondary particles, and improving specific capacity, cycling performance and safety performance of a lithium-ion battery to which the lithium-ion battery positive electrode material is applied. | 03-19-2015 |
20150125748 | Corrosion Resistant Positive Grid for Lead-Acid Batteries - A battery grid comprising a continuous cast and mechanically deformed lead-based alloy that comprises lead and silver and is essentially free of calcium, wherein the silver is at a concentration that is in a range of about 0.003 to about 0.015 weight percent, and has a predominant equiaxed grain structure that comprises grain sizes that are in a range of about 0.1 to about 5 microns. Other alloy constituents include bismuth at a concentration that is in a range of about 0.003 to about 0.002 weight percent and tin at a concentration that is in a range of about 0.2 to about 1.8 weight percent. A process for making strip of said alloy for use in manufacturing said grid. A battery comprising said grid. | 05-07-2015 |
20150132650 | VANADIUM OXIDE BASED AMORPHOUS CATHODE MATERIALS FOR RECHARGEABLE MAGNESIUM BATTERY - A magnesium electrochemical cell having a positive electrode containing as an active ingredient, an amorphous material of formula [V | 05-14-2015 |
20150311512 | Bimodal Lithium Transition Metal Based Oxide Powder for Use in a Rechargeable Battery - A bimodal lithium transition metal oxide based powder for a rechargeable battery, comprising: a first lithium transition metal oxide based powder, either comprising a material having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co | 10-29-2015 |
20150311524 | Low Porosity Electrodes for Rechargeable Batteries - A positive electrode for a rechargeable battery comprising at least 95% active cathode material with an electrode loading of at least 6 mg/cm | 10-29-2015 |
20150318547 | COPPER FLUORIDE BASED NANOCOMPOSITES AS ELECTRODE MATERIALS - The present invention relates to primary and secondary electrochemical energy storage systems, particularly to such systems as battery cells, which use materials that take up and release ions as a means of storing and supplying electrical energy. | 11-05-2015 |
20150340691 | NEGATIVE ELECTRODE ACTIVE MATERIAL AND POWER STORAGE DEVICE - A power storage device with high capacity is provided. Alternatively, a power storage device with excellent cycle characteristics is provided. Alternatively, a power storage device with high charge and discharge efficiency is provided. Alternatively, a power storage device with a long lifetime is provided. A negative electrode active material includes a first region and a second region. The first region includes at least one element selected from Si, Mg, Ca, Ga, Al, Ge, Sn, Pb, Sb, Bi, Ag, Zn, Cd, As, Hg, and In. The second region includes oxygen and the same element as the one included in the first region. The crystallite size of the element included in the first region is larger than or equal to 1 nm and smaller than or equal to 10 nm. | 11-26-2015 |
20150349327 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte, and more particularly, the positive electrode includes a positive active material including lithium-metal oxide in which at least one metal has a continuous concentration gradient from the center to the surface, and the negative electrode includes a negative active material including graphite having an average lattice distance (d | 12-03-2015 |
20150357638 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides a cathode active material on which at least one coating layer is formed, a method for manufacturing the same, and a lithium secondary battery including the same. According to the present invention, since the coating layer with high electrical conductivity is formed on a surface of the cathode active material, the electrical conductivity is improved to enhance charge/discharge and cycle life characteristics and thermal stability of the battery. | 12-10-2015 |
20150357649 | BATTERY AND METHOD OF ASSEMBLING SAME - A battery is provided with a special form of conductive substrate that does not include the use of a conventional metal such that the overall weight of the battery is substantially reduced. Instead, the battery, such as the anode portion of the battery, includes a conductive base substrate made from a non-metallic, electrically conductive material. A coating material is deposited onto the base substrate, wherein the coating material includes at least one active material that is directly applied onto the base substrate. | 12-10-2015 |
20150380733 | ANODE ACTIVE MATERIAL AND METHOD OF PREPARING THE SAME - Provided are a porous silicon-based anode active material including a core part including silicon (Si) and M | 12-31-2015 |
20160013483 | TEMPLATE ELECTRODE STRUCTURES FOR DEPOSITING ACTIVE MATERIALS | 01-14-2016 |
20160020035 | ELECTRODE, POWER STORAGE DEVICE, ELECTRONIC DEVICE, AND VEHICLE - A power storage device with high capacity is provided. Alternatively, a power storage device with excellent cycle characteristics is provided. Alternatively, a power storage device with high charge and discharge efficiency is provided. Alternatively, a power storage device with a long lifetime is provided. A negative electrode active material is provided over a negative electrode current collector, and the negative electrode active material layer is formed in such a manner that first layers and second layers are alternately stacked. The first layer includes at least an element selected from Si, Mg, Ca, Ga, Al, Ge, Sn, Pb, Sb, Bi, Ag, Zn, Cd, As, Hg, and In. The second layer includes oxygen and the same element as the one included in the first layer. | 01-21-2016 |
20160028075 | SILICON-EMBEDDED COPPER NANOSTRUCTURE NETWORK FOR HIGH ENERGY STORAGE - Provided herein are nanostructure networks having high energy storage, electrochemically active electrode materials including nanostructure networks having high energy storage, as well as electrodes and batteries including the nanostructure networks having high energy storage. According to various implementations, the nanostructure networks have high energy density as well as long cycle life. In some implementations, the nanostructure networks include a conductive network embedded with electrochemically active material. In some implementations, silicon is used as the electrochemically active material. The conductive network may be a metal network such as a copper nanostructure network. Methods of manufacturing the nanostructure networks and electrodes are provided. In some implementations, metal nanostructures can be synthesized in a solution that contains silicon powder to make a composite network structure that contains both. The metal nanostructure growth can nucleate in solution and on silicon nanostructure surfaces. | 01-28-2016 |
20160036058 | METHOD OF DEPOSITING NANOSCALE MATERIALS WITHIN A NANOFIBER NETWORK AND NETWORKED NANOFIBERS WITH COATING - Provided herein is a method of manufacturing a nanoscale coated network, which includes providing nanofibers, capable of forming a network in the presence of a liquid vehicle and providing a nanoscale solid substance in the presence of the liquid vehicle. The method may also include forming a network of the nanofibers and the nanoscale solid substance and redistributing at least a portion of the nanoscale solid substance within the network to produce a network of nanofibers coated with the nanoscale solid substance. Also provided herein is a nanoscale coated network with an active material coating that is redistributed to cover and electrochemically isolate the network from materials outside the network. | 02-04-2016 |
20160049652 | METHOD FOR THE USE OF SLURRIES IN SPRAY PYROLYSIS FOR THE PRODUCTION OF NON-HOLLOW, POROUS PARTICLES - A process for preparing a metal oxide-containing powder that comprises conducting spray pyrolysis that comprises aerosolizing a slurry that comprises solidphase particles in a liquid that comprises at least one precursor compound, which comprises one or more metallic elements of at least one metal oxide, to form droplets of said slurry, and calcining the droplets to at least partially decompose the at least one precursor compound and form the metal oxide-containing powder having a non-hollow morphology. | 02-18-2016 |
20160079595 | METHOD OF MANUFACTURING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY MANUFACTURED USING THE SAME - The present disclosure relates to a method of manufacturing cathode active material for lithium secondary batteries and a lithium secondary battery manufactured using the same. Methods of manufacturing cathode active material for lithium secondary batteries according to embodiments of the inventive concept can fabricate cathode active material with improved stability and capacity by adjusting temperature of thermal treatment in accordance with concentration of transition metal which shows concentration gradient. | 03-17-2016 |
20160104884 | BATTERY, NEGATIVE ELECTRODE ACTIVE MATERIAL, AND ELECTRIC TOOL - A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 μm to 20 μm, and a covering portion that covers at least part of the core portion surface, wherein the covering portion comprises at least Si, O and at least of one element M1 selected from Li, carbon (C), Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K. | 04-14-2016 |
20160149210 | LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery, including a cathode, an anode and a non-aqueous electrolyte, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient from a core part to a surface part thereof, and is doped with transitional metal, such that the charge/discharge capacities and the power are significantly increased, and thereby it is possible to exhibit excellent performance under low temperature environments. | 05-26-2016 |
20160156030 | CATHODE ACTIVE MATERIAL FOR LITHIUM BATTERY AND METHOD OF MANUFACTURING THE SAME | 06-02-2016 |
20160172671 | Lithium Secondary Battery | 06-16-2016 |
20160181066 | LAMINATED MATERIALS, METHODS AND APPARATUS FOR MAKING SAME, AND USES THEREOF | 06-23-2016 |
20160181598 | NEGATIVE ACTIVE MATERIAL AND LITHIUM BATTERY INCLUDING NEGATIVE ACTIVE MATERIAL | 06-23-2016 |
20160181599 | Lithium Secondary Battery | 06-23-2016 |
20160190556 | ANODE MATERIAL HAVING A UNIFORM METAL-SEMICONDUCTOR ALLOY LAYER - The present invention relates to methods for producing anode materials for use in nonaqueous electrolyte secondary batteries. In the present invention, a metal-semiconductor alloy layer is formed on an anode material by contacting a portion of the anode material with a solution containing metals ions and a dissolution component. When the anode material is contacted with the solution, the dissolution component dissolves a part of the semiconductor material in the anode material and deposit the metal on the anode material. After deposition, the anode material and metal are annealed to form a uniform metal-semiconductor alloy layer. The anode material of the present invention can be in a monolithic form or a particle form. When the anode material is in a particle form, the particulate anode material can be further shaped and sintered to agglomerate the particulate anode material. | 06-30-2016 |
20160197343 | SECONDARY BATTERY | 07-07-2016 |