| Entries |
| Document | Title | Date |
|---|
| 20080261110 | Non-Aqueous Electrochemical Cells - An electrochemical secondary cell is disclosed. The cell includes a cathode, an anode, a cathode current collector including stainless steel, and an electrolyte containing a perchlorate salt and a second salt. | 10-23-2008 |
| 20080318124 | BATTERY - A battery capable of ensuring storage characteristics and overcharge characteristics is provided. The battery comprising a cathode, an anode, and an electrolytic solution. The cathode has a cathode current collector and a cathode active material layer provided on the cathode current collector. The cathode active material layer includes an aromatic compound having three or more benzene rings. The electrolytic solution includes at least one of an ester carbonate containing a halogen and an ester carbonate containing an unsaturated bond. | 12-25-2008 |
| 20090017374 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 01-15-2009 |
| 20090029250 | Polymer Electrolyte The Use Thereof And An Electrochemical Device Containing Said Polymer Electrolyte - The present invention relates to a polymer electrolyte having a lithium salt component and a polymer component, wherein the polymer component comprises at least one polymer compound, the repetitive units of which have at least partially groups which interact with the anions of the lithium salt component such that the dissociation of the lithium salt is enhanced. Thereby, a high ion conductivity of the polymer electrolyte is ensured by the interaction of the polymer component with the anions of the lithium salt component without a liquid component, i.e. without plasticizer and solvent. The polymer electrolyte according to the present invention is particularly suitable for the use in an electrochemical device, in particular in a battery and a secondary battery. Furthermore, the present invention relates to the use of the polymer electrolyte for producing an electrochemical device, in particular a battery and a secondary battery, an electrochemical device comprising the polymer electrolyte as well as a method for increasing the ion conductivity of polymer electrolytes. | 01-29-2009 |
| 20090035656 | ORGANIC ELECTROLYTIC SOLUTION COMPRISING GLYCIDYL ETHER COMPUND AND LITHIUM BATTERY EMPLOYING THE SAME - An organic electrolytic solution includes a lithium salt; an organic solvent containing a high dielectric constant solvent and/or a low boiling point solvent; and a glycidyl ether compound represented by Formula 1: | 02-05-2009 |
| 20090053598 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - The present invention provides a nonaqueous electrolytic solution exhibiting excellent battery characteristics such as electrical capacity, cycle property and storage property and capable of maintaining the battery characteristics for a long tire, and a lithium secondary battery using the nonaqueous electrolytic solution. | 02-26-2009 |
| 20090053599 | ELECTROLYTIC SOLUTION AND BATTERY - An electrolytic solution capable of suppressing the battery swollenness and improving the battery characteristics such as the charge and discharge efficiency and a battery using it are provided. A cathode ( | 02-26-2009 |
| 20090053600 | Lithium Battery - Systems, methods, and apparatus are described for batteries including a positive electrode ( | 02-26-2009 |
| 20090061311 | Non-aqueous electrolyte secondary battery - An object of the invention is to provide a non-aqueous electrolyte secondary battery that allows a good charge/discharge cycle characteristic to be obtained. The non-aqueous electrolyte secondary battery according to the invention includes a negative electrode containing silicon as a negative electrode active material, a positive electrode, and a non-aqueous electrolyte, the average particle size of the negative electrode active material is not less than 5 μm nor more than 20 μm, and the weight of the negative electrode active material is at least 10% of the weight of the non-aqueous electrolyte. | 03-05-2009 |
| 20090081544 | THIN BATTERY WITH LONGER LIFE TIME - The thin battery has an anode material and a cathode material applied as pastes on one or more separator paper layers there between. The battery also has an aqueous electrolyte solution, binders and additives. The cathode paste furthermore has conductive material at least partly of carbon nanotubes. The thin battery has an anode material and a cathode material applied as pastes on one or more separator paper layers there between. The battery also has an aqueous electrolyte solution, binders and additives. The cathode paste furthermore has a conductive material at least partly of carbon nanotubes. The conductive material can additionally have one or more other allotropes of carbon, such as carbon powder, e.g. graphite powder. | 03-26-2009 |
| 20090111019 | ANODE AND BATTERY - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material layer provided on an anode current collector. The coat contains a fluorine resin. A terminal of the fluorine resin is a hydroxyl group or the like capable of being fixed (for example, being absorbed or bound) on the surface of the anode active material layer (anode active material). | 04-30-2009 |
| 20090130555 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes positive and negative electrodes and an electrolyte, wherein the electrolyte includes succinic anhydride and at least one of lithium difluoro(oxalate)borate presented in Chemical Formula (1) and lithium bis(oxalate)borate presented in Chemical Formula (2). | 05-21-2009 |
| 20090155686 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery of this invention includes a positive electrode including a positive electrode mixture, a negative electrode including a negative electrode mixture, and a non-aqueous electrolyte. The negative electrode mixture includes a material capable of absorbing and desorbing Li and a carbon material. The material capable of absorbing and desorbing Li includes at least one element selected from the group consisting of Si and Sn, and the amount of the carbon material is 3 to 60% by weight of the negative electrode mixture. At least one of the positive electrode, the negative electrode, and the non-aqueous electrolyte contains a lithium perfluoroalkylsulfonyl imide represented by the following general formula (1): | 06-18-2009 |
| 20090181301 | LITHIUM SECONDARY BATTERY - A lithium secondary battery includes a positive electrode, a negative electrode, a separator separating the positive electrode and the negative electrode, and an electrolyte. The negative electrode active material of the negative electrode includes a material that is capable of reversibly intercalating and deintercalating lithium ions and a metallic material capable of alloying with lithium. The electrolyte includes a chemical compound containing a nitrile (—CN) radical. | 07-16-2009 |
| 20090197168 | STORAGE ELEMENT - There is provided a battery device having a high operating voltage and a low capacity degradation rate. The battery device comprising: a positive electrode having at least a positive electrode active material layer and a positive electrode collector; a negative electrode; a separator; and an organic electrolytic solution, wherein the positive electrode active material layer contains non-porous carbon having a specific surface area of 500 m | 08-06-2009 |
| 20090214949 | NON-AQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE - A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the negative electrode contains a negative electrode mixture containing a binder; and the binder contains polyvinylidene fluoride and polyacrylonitrile, with a mass ratio of polyvinylidene fluoride to polyacrylonitrile ranging from 99.9/0.1 to 95.1/4.9. | 08-27-2009 |
| 20090246623 | ELECTROLYTE COMPOSITION FOR NICKEL-ZINC BATTERIES - Electrodes and electrolytes for nickel-zinc secondary battery cells possess compositions that limit dendrite formation and other forms of material redistribution in the zinc electrode. In addition, the electrolytes may possess one or more of the following characteristics: good performance at low temperatures, long cycle life, low impedance and suitability for high rate applications. | 10-01-2009 |
| 20090286155 | LITHIUM DIFLUOROPHOSPHATE, ELECTROLYTE CONTAINING LITHIUM DIFLUOROPHOSPHATE, PROCESS FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE, PROCESS FOR PRODUCING NONAQUEOUS ELECTROLYTE, NONAQUEOUS ELECTROLYTE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY CONTAINING THE SAME - A difluorophosphate salt, which is expensive and not readily available, can be produced with a high purity readily and efficiently from inexpensive and readily available materials. A nonaqueous electrolyte secondary battery that exhibits low-temperature discharge and heavy-current discharge characteristics and high-temperature preservation and cycle characteristics without impairing the battery safety. A hexafluorophosphate salt is reacted with a compound having a bond represented by the following formula (1) in the molecule: | 11-19-2009 |
| 20090325065 | NON-AQUEOUS LIQUID ELECTROLYTE AND NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY BATTERY - A non-aqueous liquid electrolyte secondary battery using negative-electrode active material having Si, Sn and/or Pb, with high charge-capacity, superior characteristics including discharge-capacity retention rate over long is provided. Its non-aqueous liquid electrolyte contains carbonate having unsaturated bond and/or halogen and compounds like LiPF | 12-31-2009 |
| 20100003597 | ELECTROLYTE, ELECTROLYTE SOLUTION FOR LITHIUM-ION SECONDARY BATTERY COMPRISING THE ELECTROLYTE, AND LITHIUM-ION SECONDARY BATTERY USING THE ELECTROLYTE SOLUTION - An object of the present invention is to provide an electrolyte solution for lithium-ion secondary batteries comprising a tetraalkylphosphonium salt which improves the cycle characteristics and safety of lithium-ion batteries, and to provide a lithium-ion secondary battery using the electrolyte solution. Disclosed is an electrolyte comprising a tetraalkylphosphonium salt represented by general formula (1) | 01-07-2010 |
| 20100075222 | SLURRY FOR SECONDARY BATTERY ELECTRODE, ELECTRODE FOR SECONDARY BATTERY, PROCESS FOR PRODUCTION OF ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY - There is provided a slurry for a secondary battery electrode and an electrode for a secondary battery that produce satisfactory charge-discharge characteristics for secondary batteries, as well as a secondary battery that exhibits satisfactory charge-discharge characteristics. | 03-25-2010 |
| 20100119938 | BATTERY SEPARATOR - The present invention is of a battery separator comprising a reaction product of a polymer and a polyvalent metal. The present invention further provides a method of forming a battery separator comprising applying a polymer such as an acrylic polymer such that it reacts with a polyvalent metal in a battery component layer to form a separator. In some embodiments applying is by a printing technique. Further, the present invention is of a battery including a separator of the present invention and a method of making same. | 05-13-2010 |
| 20100178556 | Negative electrode for lithium ion battery - The methods and devices described herein generally relate to Li | 07-15-2010 |
| 20100178557 | NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY USING THE SAME - Disclosed is an electrolyte for a secondary battery comprising an electrolyte salt and an electrolyte solvent, the electrolyte comprising both a lactam-based compound and a sulfinyl group-containing compound. Also, disclosed is an electrode having a solid electrolyte interface (SEI) film partially or totally formed on a surface thereof, the SEI film being formed by electrical reduction of the above compounds. Further, a secondary battery comprising the electrolyte and/or the electrode is disclosed. | 07-15-2010 |
| 20100196756 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein the positive electrode contains a positive electrode active material having an olivine structure, and the nonaqueous electrolyte contains at least one member of sulfone compounds represented by the following formulae (1) and (2). | 08-05-2010 |
| 20100196757 | LITHIUM SULPHIDE BATTERY AND METHOD OF PRODUCING THE SAME - A chemical source of electrical energy may include a positive electrode (cathode) made of an electrically conductive material, a mixture of lithium sulphide and sulphur, a permeable separator or membrane, and a negative electrode (anode) made of an electrically conductive material or a material that is able reversibly to intercalate lithium ions, wherein an aprotic electrolyte comprising at least one lithium salt in at least one solvent is provided between the electrodes. | 08-05-2010 |
| 20100216017 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 08-26-2010 |
| 20100221604 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: | 09-02-2010 |
| 20100255370 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. The electrolyte includes a lithium salt, trialkylsilyl(meth)acrylate compound represented by the following Chemical Formula 1, a halogenated carbonate compound, and an organic solvent. | 10-07-2010 |
| 20100323240 | Method for Producing Lithium Difluorophosphate and Nonaqueous Electrolyte Battery Using the Same - [Problems] An object of the present invention is to provide: a production method for commercially advantageously producing lithium difluorophosphate or an electrolyte solution containing the lithium difluorophosphate, the lithium difluorophosphate serving as an additive useful for improving performance of a nonaqueous electrolyte battery; and a nonaqueous electrolyte battery employing the electrolyte solution for the nonaqueous electrolyte battery which solution contains the lithium difluorophosphate produced by the production method. | 12-23-2010 |
| 20110039155 | METHOD FOR PRODUCING POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An object of the invention is to inhibit the entry of LiOH and Li | 02-17-2011 |
| 20110045346 | BATTERY STRUCTURES, SELF-ORGANIZING STRUCTURES AND RELATED METHODS - An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector. | 02-24-2011 |
| 20110052980 | NONAQUEOUS SECONDARY BATTERY AND ELECTRONIC DEVICE - In the nonaqueous secondary battery of the present invention, a positive electrode mixture layer included in a positive electrode contains a lithium-containing complex oxide defined by the general formula Li | 03-03-2011 |
| 20110070485 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A non-aqueous electrolyte solution is provided that realizes a large capacity, exhibits high storage characteristics and cycle characteristics, and is capable of inhibiting gas generation. | 03-24-2011 |
| 20110076557 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - According to one embodiment, there is provided a nonaqueous electrolyte battery. The negative electrode of the battery includes a negative electrode active material which can absorb and release lithium ions at a negative electrode potential of 0.4 V (V.S. Li/Li | 03-31-2011 |
| 20110076558 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - The present invention provides a non-aqueous electrolyte secondary cell that has high voltage, high capacity and excellent high-temperature cycle characteristics at a low cost. | 03-31-2011 |
| 20110091768 | NONAQUEOUS ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolytic solution effective in improving cycle characteristics and used for a nonaqueous electrolyte secondary battery including a positive electrode having a positive-electrode active material capable of storing and releasing metal ions and a negative electrode having a negative-electrode active material containing at least one atom selected from the group consisting of Si, Sn, and Pb includes an electrolyte, a nonaqueous solvent, and an isocyanate compound having at least one aromatic ring in its molecule. | 04-21-2011 |
| 20110091769 | IONIC LIQUID - Disclosed is an ionic liquid having a low melting point, a low viscosity, and high electrical conductivity. Specifically disclosed is an anion represented by [CF | 04-21-2011 |
| 20110097626 | PROCESS FOR PRODUCTION HEXAFLUOROPHOSPHATES - An object is to provide a method of manufacturing a hexafluorophosphate, that can simply and easily manufacture an inexpensive and high-quality hexafluorophosphate while suppressing the manufacturing cost, an electrolytic solution containing a hexafluorophosphate, and an electricity storage device including the electrolytic solution. The present invention relates to a method of manufacturing a hexafluorophosphate, which comprises reacting at least a phosphorus compound with a fluoride represented by MF | 04-28-2011 |
| 20110104563 | ELECTROCHEMICAL CELL - An electrochemical cell is provided. The electrochemical cell comprises a cathode compartment. The cathode compartment comprises a cathodic metal, a metal halide, and a molten electrolyte. The cathodic metal comprises a high surface area metal powder and a low surface area metal powder. The electrochemical cell also comprises an anode compartment. The anode compartment comprises a molten anodic metal. A method of manufacturing the electrochemical cell is also provided. | 05-05-2011 |
| 20110104564 | METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY SYSTEM - To provide a method for manufacturing a lithium secondary battery, characterized by having: a processing lithium secondary battery preparing step for preparing a processing lithium secondary battery that has a positive electrode layer containing LiFePO | 05-05-2011 |
| 20110111287 | METAL-AIR BATTERY - Cathodes for use in open electrochemical cells, open electrochemical cells, and devices comprising the cathodes and open electrochemical cells are disclosed. The open electrochemical cells generally comprise a cathode, an electrolyte, and an anode. One example cathode comprises: (i) a catalyst; (ii) an electronic conductor; and (iii) a hydrophobic gas permeable binder. The open electrochemical cells may function as metal-air batteries. | 05-12-2011 |
| 20110111288 | PRODUCTION PROCESS OF DIFLUOROPHOSPHATE, NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTIC SECONDARY BATTERY - To provide a technique for simply and easily producing a high-purity difluorophosphate and provide a production process of an electrolytic solution using the obtained difluorophosphate, an electrolytic solution and a secondary battery. | 05-12-2011 |
| 20110143195 | NEGATIVE ELECTRODE FOR LITHIUM ION BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION BATTERY - A negative electrode | 06-16-2011 |
| 20110189538 | PROCESSES FOR PRODUCTION OF PHOSPHORUS PENTAFLUORIDE AND HEXAFLUOROPHOSPHATES - A method of manufacturing phosphorus pentafluoride and hexafluorophosphate can suppress the manufacturing cost and also can manufacture high-quality phosphorus pentafluoride from an inexpensive and low-quality raw material. The raw material for the method can include at least a phosphorus atom and a fluorine atom. These are brought into contact with a carrier gas, and a phosphorus pentafluoride is extracted and separated into the carrier gas. A method of manufacturing hexafluorophosphate includes reacting fluoride with the resulting phosphorus pentafluoride according to the following chemical reaction scheme: sPF | 08-04-2011 |
| 20110223476 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - A non-aqueous electrolyte and a lithium secondary battery using the same are provided, which satisfy both flame retardancy and charge-discharge cycle characteristics, and attain a longer lifetime of the battery. A mixture of a chain carbonate, vinylene carbonate, a fluorinated cyclic carbonate and a phosphate ester is used as the non-aqueous electrolyte. It is desirable that the phosphate ester includes trimethyl phosphate and a fluorinated phosphate ester. Further, it is desirable that ethylene carbonate is further contained. | 09-15-2011 |
| 20110250495 | Electrolyte Composition Electrochemical Cell Including A Contrast Agent And Method For Manufacturing Cells Using Same - An electrolyte composition including a detectable contrast agent and an electrochemical cell including the electrolyte composition, wherein the contrast agent allows for detection of spillage or leakage of electrolyte during or after cell construction. In some embodiments, the contrast agent is able to change the color intensity of the electrolyte composition over time after addition to the cell. Methods for detecting spillage or leakage of the contrast agent-containing electrolyte composition during cell construction are disclosed. | 10-13-2011 |
| 20110294003 | POLYETHER-FUNCTIONALIZED REDOX SHUTTLE ADDITIVES FOR LITHIUM ION BATTERIES - Compounds may have general Formula I, II, or III: | 12-01-2011 |
| 20110311864 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a nonaqueous solvent; an electrolyte salt; a hydrocarbon compound having a nitrile group; and at least one of a heteropolyacid and a heteropolyacid compound. | 12-22-2011 |
| 20110311865 | IONIC LIQUID, ELECTROLYTE, LITHIUM SECONDARY BATTERY USING THE SAME, AND PROCESS FOR PRODUCING IONIC LIQUID - The present invention provides an ionic liquid useful for a lithium secondary battery, which is excellent in performance as an electrolyte material, such that the liquid has ionic conductance and a wide potential window, and is excellent in safety, as well as an electrolyte using the same. The present invention relates to an ionic liquid including a cyanophosphate-based anion represented by the following general formula (1), and an electrolyte using the same, a lithium secondary battery, and a process for producing the ionic liquid. | 12-22-2011 |
| 20120064396 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR FABRICATNG NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode containing a positive-electrode active material, a negative electrode containing a negative-electrode active material, and a non-aqueous electrolyte, and is characterized in that the non-aqueous electrolyte contains 1.0 wt % or less of a compound represented by formula (1) and 2.0 wt % or less of a cyclic sulfate ester represented by formula (2), based on the total weight of the non-aqueous electrolyte. By using the non-aqueous electrolyte including a specified amount of the compound represented by formula (1) and a specified amount of the cyclic sulfate ester, when the battery is used at a low temperature after being stored at a high temperature, the increase of the internal resistance is inhibited. | 03-15-2012 |
| 20120077079 | Redox Flow Batteries Based on Supporting Solutions Containing Chloride - Redox flow battery systems having a supporting solution that contains Cl | 03-29-2012 |
| 20120107679 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention is a non-aqueous electrolyte secondary battery including at least a positive electrode, a negative electrode and a non-aqueous electrolyte, the positive and negative electrodes being capable of occluding and emitting lithium ions, wherein the negative electrode is composed of particles each having a structure that silicon nanoparticles are dispersed to silicon oxide, each of the particles is coated with a carbon coating, and the non-aqueous electrolyte includes lithium oxalatoborate in the range of 5 to 10 mass %, as the electrolyte. As a result, there is provided a non-aqueous electrolyte secondary battery having high capacity, superior first charge and discharge efficiency, superior cycle performance, and high safety, while a manufacturing method and structure thereof are not complex. | 05-03-2012 |
| 20120121973 | NEGATIVE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY WITH THE SAME, AND METHOD FOR MANUFACTURING THE LITHIUM SECONDARY BATTERY - Disclosed herein is a negative active material for a lithium secondary battery. The negative active material according to an exemplary embodiment of the present invention includes nanoparticles having a multi layer structure in which a plurality of layers are stacked. | 05-17-2012 |
| 20120129046 | NONAQUEOUS SECONDARY BATTERY AND FLAME RETARDANT FOR THE SAME - A nonaqueous secondary battery, comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, the nonaqueous electrolyte solution containing at least a cyclic compound having, in the molecule, a functional group having an ester bond to which a nitrogen atom is attached, in which is the general formula (I). | 05-24-2012 |
| 20120156556 | ACTIVE MATERIAL, ELECTRODE INCLUDING THE ACTIVE MATERIAL AND MANUFACTURING METHOD THEREOF, AND SECONDARY BATTERY - An electrode in which a silicon layer is provided over a current collector, a thin film layer having a thickness within a certain range is provided on a surface of the silicon layer, and the thin film layer contains fluorine, is used for a power storage device. The thickness of the thin film layer containing fluorine is greater than 0 nm and less than or equal to 10 nm, preferably greater than or equal to 4 nm and less than or equal to 9 nm. The fluorine concentration of the thin film layer containing fluorine is preferably as high as possible, and the nitrogen concentration, the oxygen concentration, and the hydrogen concentration thereof are preferably as low as possible. | 06-21-2012 |
| 20120164524 | COMPOSITION, ENERGY STORAGE DEVICE, AND RELATED PROCESSES - A positive electrode composition is provided. The positive electrode composition includes at least one electroactive metal, such as titanium, vanadium, niobium, molybdenum, nickel, cobalt, chromium, manganese, silver, antimony, cadmium, tin, lead, and zinc. The electroactive metal is present in an amount in a range from about 10 volume percent to about 20 volume percent, based on the volume of the positive electrode composition. The composition further includes iron, present in an amount in a range from about 0.2 volume percent to about 3 volume percent, based on the volume of the positive electrode composition; at least one first alkali metal halide; and an electrolyte salt. The electrolyte salt can be based on a reaction product of a second alkali metal halide and an aluminum halide, and has a melting point of less than about 300 degrees Celsius. An article, an energy storage device, and an uninterruptable power supply device that includes the positive electrode composition are also described; as is a method of forming the energy storage device. | 06-28-2012 |
| 20120171563 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery, which includes a lithium salt, a nonaqueous organic solvent and at least one additive selected from the group consisting of vitamin G (vitamin B | 07-05-2012 |
| 20120202111 | CARBON ACTIVE MATERIAL FOR BATTERY ELECTRODES - There is provided a battery device having a high operating voltage and a low capacity degradation rate. The battery device comprising: a positive electrode having at least a positive electrode active material layer and a positive electrode collector; a negative electrode; a separator; and an organic electrolytic solution, wherein the positive electrode active material layer contains non-porous carbon having a specific surface area of 500 m | 08-09-2012 |
| 20120219852 | NEGATIVE ELECTRODE FOR A LITHIUM ION BATTERY - A negative electrode for a lithium ion battery includes an active electrode material, a conductive additive, and a binder for holding the active electrode material and the conductive additive together. The binder is chosen from polyethyleneimine, copolymers of polyethyleneimine, amine functionalized polyamides, proteins, and combinations thereof. | 08-30-2012 |
| 20120219853 | LITHIUM SECONDARY BATTERY OF IMPROVED HIGH-TEMPERATURE CYCLE LIFE CHARACTERISTICS - Disclosed is a lithium secondary battery comprising a cathode including a lithium-containing transition metal oxide, and a non-aqueous electrolyte with addition of a compound of formula (1). Incorporation of the compound (1) into the electrolyte significantly improves the high-temperature performance and cycle life characteristics of the battery. | 08-30-2012 |
| 20120244425 | NONAQUEOUS-ELECTROLYTE BATTERIES AND NONAQUEOUS ELECTROLYTIC SOLUTIONS - The invention is to provide a nonaqueous-electrolyte battery which comprises a current collector, a positive electrode containing a lithium-containing phosphoric acid compound represented by LixMPO | 09-27-2012 |
| 20120258357 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the electrolyte includes a lithium salt composition including a first lithium salt; and a second lithium salt of lithium bisfluorosulfonyl imide represented by the following Chemical Formula 1 at a mole ratio of 1:0.05 to 1:1, and a non-aqueous organic solvent. | 10-11-2012 |
| 20120276445 | PURE FORMS OF LITHIUM BORATE SALTS AND THE PROCESS PRODUCING SUCH FORMS - An electrolytic solution comprising a purified lithium borate salt that when used in lithium ion battery, delivers superior performances that include negligible irreversible capacity upon cell formation, low impedance on both cathode and anode, and excellent stability when operated at high temperatures. | 11-01-2012 |
| 20120276446 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for non-aqueous electrolyte secondary battery, comprising particles of a lithium transition metal complex oxide represented by the general formula: | 11-01-2012 |
| 20120308881 | NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQEUOUS-ELECTROLYTE SECONDARY BATTERY - An object of the invention is to provide a nonaqueous electrolytic solution which is capable of bringing about a nonaqueous-electrolyte secondary battery improved in initial charge capacity, input/output characteristics, and impedance characteristics. The invention relates to a nonaqueous electrolytic solution which comprises: a nonaqueous solvent; LiPF | 12-06-2012 |
| 20120315536 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 12-13-2012 |
| 20130004839 | NONAQUEOUS SECONDARY BATTERY AND FLAME RETARDANT FOR USE IN THE SAME - A nonaqueous secondary battery comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains: a cyclic nitrogen-containing compound represented by the general formula (1): | 01-03-2013 |
| 20130011727 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature. | 01-10-2013 |
| 20130052523 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, POWER TOOL, AND ELECTRONIC APPLIANCE - A secondary battery includes: an electrolytic solution; a positive electrode; and a negative electrode, at least one of the positive electrode, the negative electrode, and the electrolytic solution containing an alkyl carbonate represented by the following formula (1) | 02-28-2013 |
| 20130071730 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a nonaqueous electrolyte secondary battery having improved durability properties in terms of cycling, storage and the like. The nonaqueous electrolyte secondary battery comprises a nonaqueous electrolyte solution that contains a lithium salt and a nonaqueous solvent that dissolves the lithium salt, a negative electrode capable of absorbing and releasing lithium ions, and a positive electrode. The negative electrode contains a negative electrode active material made up of graphite particles having a rhombohedral rate ranging from 0% to 35%, and the nonaqueous electrolyte solution contains a compound represented by formula (1). As a result, a nonaqueous electrolyte secondary battery that achieves the above object is provided. | 03-21-2013 |
| 20130089777 | MATERIAL FOR USE AS ELECTROLYTE, LITHIUM SECONDARY BATTERY ELECTROLYTE, LITHIUM SECONDARY BATTERY EMPLOYING THE SAME, AND NOVEL LITHIUM SALT - An inventive electrolyte material contains a lithium salt comprising the following components (A1) and (B), or contains the following components (A1), (A2) and (B):
| 04-11-2013 |
| 20130108920 | Composite electrodes for lithium ion battery and method of making | 05-02-2013 |
| 20130115510 | ANODE FOR SECONDARY BATTERY, ANODE CURRENT COLLECTOR, PRODUCTION METHOD THEREOF, AND SECONDARY BATTERY - A chargeable and dischargeable secondary battery for use in electronic devices, industrial machines, electric-powered vehicles, is provided, along with an anodic electrode and a copper foil for anode current collector. It is an anode for secondary battery that utilizes non-aqueous electrolyte, which comprises a silicon-type active material film formed on one side or both sides of a current collector made of copper foil or copper alloy foil, wherein 1 g/m | 05-09-2013 |
| 20130122361 | FLUORIDE ION ELECTROCHEMICAL CELL - Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems. | 05-16-2013 |
| 20130143112 | Method for Producing a Lithium Hexafluorophosphate Concentrated Liquid - Disclosed is a method for forming lithium hexafluorophosphate by reacting together phosphorus trichloride, chlorine and lithium chloride in a nonaqueous organic solvent and then making the reaction product formed in the solvent react with hydrogen fluoride. This method is characterized by that a lithium hexafluorophosphate concentrated liquid is obtained by conducting a filtration after making the reaction product formed in the solvent react with hydrogen fluoride and then subjecting the filtrate to a concentration by degassing. By this method, it is possible to easily produce a high-purity, lithium hexafluorophosphate concentrated liquid at a low cost. | 06-06-2013 |
| 20130189573 | Solid Type Secondary Battery Using Silicon Compound and Method for Manufacturing the Same - A solid type secondary battery manufactured at low cost and which rarely causes an environmental problem by employing a silicon compound in a cathode and an anode, includes silicon carbide having a chemical formula SiC in a positive electrode | 07-25-2013 |
| 20130196224 | Intermediate Temperature Sodium Metal-Halide Energy Storage Devices - Sodium metal-halide energy storage devices utilizing a substituting salt in its secondary electrolyte can operate at temperatures lower than conventional ZEBRA batteries while maintaining desirable performance and lifetime characteristics. According to one example, a sodium metal-halide energy storage device operates at a temperature less than or equal to 200° C. and has a liquid secondary electrolyte having M | 08-01-2013 |
| 20130202956 | Methods and Energy Storage Devices utilizing electrolytes having surface-smoothing additives - Electrodeposition and energy storage devices utilizing an electrolyte having a surface-smoothing additive can result in self-healing, instead of self-amplification, of initial protuberant tips that give rise to roughness and/or dendrite formation on the substrate and anode surface. For electrodeposition of a first metal (M1) on a substrate or anode from one or more cations of M1 in an electrolyte solution, the electrolyte solution is characterized by a surface-smoothing additive containing cations of a second metal (M2), wherein cations of M2 have an effective electrochemical reduction potential in the solution lower than that of the cations of M1. | 08-08-2013 |
| 20130202957 | Lithium-Ion Rechargeable Battery - Provided is a technique of achieving a longer-life lithium ion secondary battery. The lithium ion secondary battery includes a cathode including a cathode active material containing Mn, an anode including an anode active material containing graphite and non-aqueous electrolytic solution including electrolyte, and LiBF | 08-08-2013 |
| 20130209871 | ACTIVE MATERIAL, PROCESS FOR PRODUCTION OF ACTIVE MATERIAL, AND LITHIUM ION SECONDARY BATTERY - An active material having high capacity and excellent charging/discharging cycle durability at high potential is provided. The active material has a layered structure and is represented by the following composition formula (1): | 08-15-2013 |
| 20130216898 | INHIBITOR OF REDUCTION OF LIFE CYCLE OF REDOX SHUTTLE ADDITIVE AND NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY COMPRISING THE SAME - Disclosed is an inhibitor of the reduction of life cycle of a redox shuttle additive that undergoes oxidation-reduction cycling, the inhibitor being at least of one compound selected from the group consisting of vinylene carbonates, ethylene carbonates, cyclic sulfites and unsaturated sultones. Also, Disclosed is a non-aqueous electrolyte and secondary battery comprising the same inhibitor. | 08-22-2013 |
| 20130216899 | LITHIUM ION SECONDARY BATTERY - A lithium-ion secondary battery capable of securing safety at a time of battery abnormality and restricting a drop in a high rate discharge property is provided. A lithium-ion secondary battery | 08-22-2013 |
| 20130224575 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery containing a negative electrode active material containing Si and O as constituent elements and exhibiting excellent charge-discharge cycle characteristics. The lithium ion secondary battery has a positive electrode having a positive electrode material mixture layer, a negative electrode, a separator and a nonaqueous electrolyte containing at least an electrolyte salt and an organic solvent, where the negative electrode has a negative electrode material mixture layer containing a negative electrode active material containing Si and O as constituent elements (the atomic ratio x of O to Si is 0.5≦x≦1.5). The nonaqueous electrolyte contains the electrolyte salt at a concentration exceeding a concentration at which conductivity in the nonaqueous electrolyte containing the electrolyte salt and the organic solvent is maximized, and the conductivity at 25° C. is 6.5 to 16 mS/cm | 08-29-2013 |
| 20130224576 | IONIC LIQUID, LITHIUM SECONDARY BATTERY ELECTROLYTE COMPRISING THE IONIC LIQUID, AND LITHIUM SECONDARY BATTERY COMPRISING THE ELECTROLYTE - The object of the present invention is to provide an ionic liquid having a chiral center in the structure of a cation contained therein, a lithium secondary battery electrolyte includes the ionic liquid, and a lithium secondary battery including the electrolyte. | 08-29-2013 |
| 20130230769 | Silicon and lithium silicate composite anodes for lithium rechargeable batteries - The present invention provides composite anodes comprising particles composed of a silicon core and a lithium silicate outer layer, active and inactive anode materials, and a binder, ibr lithium rechargeable batteries, wherein the particles composed of a silicon core and a lithium silicate outer layer are prepared via treating silicon nanoparticles with lithium hydroxide in a wet process. A lithium rechargeable battery that comprises the composite anode is also contemplated. Cycle life and characteristics and capacity of a rechargeable battery adopting the composite anode can be greatly improved. | 09-05-2013 |
| 20130230770 | NON-AQUEOUS SECONDARY BATTERY - A non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte. The positive electrode includes a lithium-containing composite oxide as a positive electrode active material, expressed by a general compositional formula (1): Li | 09-05-2013 |
| 20130244100 | IRON PHOSPHATES: NEGATIVE ELECTRODE MATERIALS FOR AQUEOUS RECHARGEABLE SODIUM ION ENERGY STORAGE DEVICES - Various embodiments of the present invention relate to electrode materials based on iron phosphates that can be used as the negative electrode materials for aqueous sodium ion batteries and electrochemical capacitors. At least one embodiment includes a negative electrode material for an aqueous sodium ion based energy storage device. The negative electrode material with a non-olivine crystal structure includes at least one phosphate selected from iron hydroxyl phosphate, Na | 09-19-2013 |
| 20130252084 | SUBSTRATE AND SECONDARY BATTERY - According to one embodiment, a substrate includes a semiconductor layer. The semiconductor layer comprises tungsten oxide particles having a first peak in a range of 268 to 274 cm | 09-26-2013 |
| 20130266852 | LITHIUM SECONDARY BATTERY OF IMPROVED HIGH-TEMPERATURE CYCLE LIFE CHARACTERISTICS - Disclosed is a lithium secondary battery comprising a cathode including a lithium-containing transition metal oxide, an anode including a carbon-based material, and a non-aqueous electrolyte with addition of a compound (A) and a compound (B) of formula (1). Incorporation of the compounds (A) and (B) into the electrolyte significantly improves the high-temperature performance and cycle life characteristics of the battery. | 10-10-2013 |
| 20130266853 | LITHIUM PRIMARY BATTERY AND MANUFACTURING METHOD FOR SAME - The lithium primary battery comprises: a positive electrode; a negative electrode including lithium or a lithium alloy; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. A surface of the negative electrode on a side of the carbon material layer has first ruggedness and adheres to a surface of the carbon material layer on a side of the negative electrode. A surface of the carbon material layer on a side of the separator has second ruggedness. The first ruggedness and the second ruggedness correspond to each other. The first ruggedness and the second ruggedness may be ruggedness formed by pressing the carbon material layer onto the surface of the negative electrode, thereby deforming the carbon material layer and the surface of the negative electrode. | 10-10-2013 |
| 20130288113 | NON-AQUEOUS ELECTROLYTE STORAGE ELEMENT - To provide a non-aqueous electrolyte storage element, including: a positive electrode which includes a positive-electrode active material capable of intercalating or deintercalating anions; a negative electrode which includes a negative-electrode active material capable of storing or releasing metallic lithium or lithium ion, or both thereof, a first separator between the positive electrode and the negative electrode; and a non-aqueous electrolyte which includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolyte storage element includes a solid lithium salt at 25° C. and a discharge voltage of 4.0V, wherein the non-aqueous electrolyte storage element includes an ion-exchange membrane between the first separator and the positive electrode, between the first separator and the negative electrode, or between the first separator and the positive electrode and between the first separator and the negative electrode. | 10-31-2013 |
| 20130309563 | COMPOSITE ANODE FROM SILICON KERF - The disclosure relates to a composite anode for a lithium rechargeable battery comprising silicon particles from kerf. Said silicon particles are mixed with carbonaceous materials, other anode active materials and a polymer binder, and formed into a lithium insertion anode for a lithium rechargeable battery. The battery featuring such an anode exhibits superior electrochemical performance, an exceptionally high specific capacity, an excellent reversible capacity, and a long cycle life. | 11-21-2013 |
| 20140004412 | SECONDARY BATTERY | 01-02-2014 |
| 20140023915 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - The present invention aims to productively provide a non-aqueous electrolyte secondary cell having high capacity. This object can be achieved by adopting the following configuration. A non-aqueous electrolyte secondary cell comprises a non-aqueous electrolyte and an electrode assembly having a positive electrode, a negative electrode and a separator; the positive electrode has a positive electrode core and a positive electrode active material layer; the negative electrode has a negative electrode core and a negative electrode active material layer; a protective layer is provided on the positive electrode active material layer and/or the negative electrode active material layer; the total thickness of the protective layers is 10 to 40% of that of the separator; a porosity of the protective layer is larger than that of any of the positive and negative electrode active material layer; and the non-aqueous electrolyte contains a non-aqueous solvent and two or more kinds of lithium compounds. | 01-23-2014 |
| 20140038037 | MAGNESIUM BOROHYDRIDE AND ITS DERIVATIVES AS MAGNESIUM ION TRANSFER MEDIA - An electrolyte for a magnesium battery includes a magnesium salt having the formula MgB | 02-06-2014 |
| 20140045056 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide with high productivity a non-aqueous electrolyte secondary battery having superior battery characteristics and a high capacity. | 02-13-2014 |
| 20140045057 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide with high productivity a non-aqueous electrolyte secondary battery having high capacity. | 02-13-2014 |
| 20140079989 | LITHIUM-SULFUR BATTERY WITH PERFORMANCE ENHANCED ADDITIVES - A battery includes an anode containing a lithium material, a cathode containing sulfur and a porous conducting medium, and an electrolyte, wherein the electrolyte contains an additive selected from the group consisting of an organic surfactant additive, an inorganic additive, and a mixture thereof. The organic surfactant additive may be a fluorosurfactant | 03-20-2014 |
| 20140134478 | SECONDARY BATTERY AND METHOD FOR ITS MANUFACTURING - The present invention provides a secondary battery which includes a negative electrode (anode) comprising at least one of a first metal, a first alloy, and a host material, which reacts with or intercalates a chloride ion as an anode material, a positive electrode (cathode) comprising at least one of a chloride of a second metal, of a second alloy, and a chloride intercalation compound, as a cathode material, a separator configured to separate the cathode material from the anode material, and an electrolyte with a chloride ionic conductivity. The present invention also provides a method for manufacturing the secondary battery. | 05-15-2014 |
| 20140141323 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - According to one embodiment, there is provided an electrode. The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative electrode contains as an active material a titanium composite oxide. A lithium absorption/release reaction potential of the titanium composite oxide is higher than 0.5 V vs. Li/Li | 05-22-2014 |
| 20140170478 | LITHIUM-ION ELECTROCHEMICAL CELL, COMPONENTS THEREOF, AND METHODS OF MAKING AND USING SAME - An electrochemical cell including at least one nitrogen-containing compound is disclosed. The at least one nitrogen-containing compound may form part of or be included in: an anode structure, a cathode structure, an electrolyte and/or a separator of the electrochemical cell. Also disclosed is a battery including the electrochemical cell. | 06-19-2014 |
| 20140170479 | SALINE BATTERY - Saline battery concepts and method of fabrication are disclosed. The battery includes a base structure having electrode alloys. An inter-connective matrix is formed between the electrode alloys. The cathode and anode side are integrated within the base structure to exhibit a voltage pyramid. A high amperage output is configured to have a low gain in resistance and to have a minimized loss across the inter-connective matrix between the electrode alloys to provide a synergistic gain in excess of entropic losses. | 06-19-2014 |
| 20140170480 | Composite electrodes for lithium ion battery and method of making - A method for making a composite electrode for a lithium ion battery comprises the steps of: preparing a slurry containing particles of inorganic electrode material(s) suspended in a solvent; preheating a porous metallic substrate; loading the metallic substrate with the slurry; baking the loaded substrate at a first temperature; curing the baked substrate at a second temperature sufficient to form a desired nanocrystalline material within the pores of the substrate; calendaring the cured composite to reduce internal porosity; and, annealing the calendared composite at a third temperature to produce a self-supporting multiphase electrode. Because of the calendaring step, the resulting electrode is self-supporting, has improved current collecting properties, and improved cycling lifetime. Anodes and cathodes made by the process, and batteries using them, are also disclosed. | 06-19-2014 |
| 20140178751 | LITHIUM ION SECONDARY BATTERY AND ELECTROLYTE ADDITIVE FOR THE SAME - Provided is an electrolyte additive for a lithium ion secondary battery including an organic lithium compound and a hyper-branched structure material. The electrolyte additive enhances the decomposition voltage of the electrolyte up to 5.5 V, and increases the heat endurable temperature by 10° C. or more. The safety of the battery is thus improved. | 06-26-2014 |
| 20140186696 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a nonaqueous electrolyte secondary battery, containing: a positive electrode, which contains a positive electrode active material capable of inserting and detaching anions; a negative electrode, which contains a negative electrode active material capable of accumulating and releasing metal lithium, or lithium ions, or both thereof; and a nonaqueous electrolyte formed by dissolving a lithium salt in a nonaqueous solvent, wherein the nonaqueous electrolyte secondary battery contains a solid lithium salt at 25° C., and discharge voltage of 4.0 V. | 07-03-2014 |
| 20140234700 | ELECTRODE FOR STORAGE BATTERY - With a small amount of a conductive additive, an electrode for a storage battery including an active material layer which is highly filled with an active material is provided. The use of the electrode enables fabrication of a storage battery having high capacity per unit volume of the electrode. By using graphene as a conductive additive in an electrode for a storage battery including a positive electrode active material, a network for electron conduction through graphene is formed. Consequently, the electrode can include an active material layer in which particles of an active material are electrically connected to each other by graphene. Therefore, graphene is used as a conductive additive in an electrode for a sodium-ion secondary battery including an active material with low electric conductivity, for example, an active material with a band gap of 3.0 eV or more. | 08-21-2014 |
| 20140234701 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The object is to provide a nonaqueous electrolyte secondary battery which can improve performance (increase in capacity) and reduce cost by improvement in heat stability. There are provided a positive electrode including a metal halide and a positive electrode active material containing a lithium transition metal oxide which includes nickel and manganese, a negative electrode including a negative electrode active material, and a nonaqueous electrolyte including a nonaqueous solvent, a fluorine-containing lithium salt, and a lithium salt which includes an oxalate complex as an anion. | 08-21-2014 |
| 20140234702 | GRAPHENE OXIDE AS A SULFUR IMMOBILIZER IN HIGH PERFORMANCE LITHIUM/SULFUR CELLS - The loss of sulfur cathode material as a result of polysulfide dissolution causes significant capacity fading in rechargeable lithium/sulfur cells. Embodiments of the invention use a chemical approach to immobilize sulfur and lithium polysulfides via the reactive functional groups on graphene oxide. This approach obtains a uniform and thin (˜tens of nanometers) sulfur coating on graphene oxide sheets by a chemical reaction-deposition strategy and a subsequent low temperature thermal treatment process. Strong interaction between graphene oxide and sulfur or polysulfides demonstrate lithium/sulfur cells with a high reversible capacity of 950-1400 mAh g | 08-21-2014 |
| 20140255773 | ADDITIVE OF ELECTROLYTE OF LITHIUM BATTERY AND ELECTROLYTE OF LITHIUM BATTERY USING THE SAME - An additive of an electrolyte of a lithium battery at least includes an initiator, where the initiator is decomposed at a temperature higher than a default temperature to generate free radicals. Also disclosed is an electrolyte of a lithium battery, at least including the above additive, carbonates, and a lithium salt. | 09-11-2014 |
| 20140295261 | ELECTROCHEMICAL DEVICE AND METHOD FOR SUPPRESSING DETERIORATION OF THE ELECTROCHEMICAL DEVICE - An object is to provide an electrochemical device in which lithium deposition and reduction in battery capacity can be inhibited even when the concentration of a lithium salt in an electrolytic solution is lower than 1.0 M. Lithium deposition can be inhibited and lithium whiskers can be dissolved by applying an inversion pulse current for a short time more than once in a charging period of a secondary battery which deteriorates. By applying the inversion pulse current more than once, deterioration of a lithium-ion secondary battery due to repeated charging can be suppressed even when it is a secondary battery in which the concentration of a lithium salt in an electrolytic solution is lower than 1.0 M and therefore lithium is easily deposited. | 10-02-2014 |
| 20140308579 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE, AND SODIUM ION SECONDARY BATTERY - Provided are a positive electrode active material for a sodium ion secondary battery, and a positive electrode and a sodium ion secondary battery using the material. The positive electrode active material for a sodium ion secondary battery comprises a lithium sodium-based compound containing lithium (Li), sodium (Na), iron (Fe), and oxygen (O). | 10-16-2014 |
| 20140322597 | METAL-METAL BATTERY - An electrochemical cell includes a metal containing anode M′ capturing and releasing cations, a metal containing cathode M″ and an electrolyte including an anion X | 10-30-2014 |
| 20140329141 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a coating derived from lithium bis(oxalate)borate. The coating derived from lithium bis(oxalate)borate includes a coating containing boron element and a coating containing oxalate ion. A ratio of the boron element contained in the coating derived from lithium bis(oxalate)borate to the oxalate ion is equal to or more than 5. Accordingly, it is possible to provide a non-aqueous electrolyte secondary battery capable of reliably obtaining the effect due to the formation of a coating. | 11-06-2014 |
| 20140335405 | NONAQUEOUS ELECTROLYTES AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERIES EMPLOYING THE SAME - A nonaqueous electrolyte containing a monofluorophosphate and/or a difluorophosphate and a compound having a specific chemical structure or specific properties. The nonaqueous electrolyte can contain at least one of a saturated chain hydrocarbon, a saturated cyclic hydrocarbon, an aromatic compound having a halogen atom and an ether having a fluorine atom. | 11-13-2014 |
| 20150050552 | LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - Provided is a lithium ion secondary battery demonstrating improved manganese dissolution inhibition performance when the lithium ion secondary battery is charged and discharged. In the lithium ion secondary battery, a positive electrode ( | 02-19-2015 |
| 20150064551 | LITHIUM SILICATES - The invention relates to lithium perfluoroalkylfluorosilicates, to their preparation, and to their use as conductive salts in electrochemical cells, more particularly in lithium batteries, lithium ion batteries or lithium ion capacitors, and also to electrolytes or electrochemical cells comprising these lithium perfluoroalkylfluorosilicates. | 03-05-2015 |
| 20150079465 | COMPOSITE CATHODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND CATHODE AND LITHIUM BATTERY CONTAINING THE SAME - A composite cathode active material including a lithium metal oxide including an oxide Formula 1 and sulfur, | 03-19-2015 |
| 20150099166 | FULLERENES AS HIGH CAPACITY CATHODE MATERIALS FOR A RECHARGEABLE MAGNESIUM BATTERY - A magnesium electrochemical cell having a positive electrode containing a carbon cluster compound as an active material is provided. In a preferred embodiment the carbon cluster material is a comminuted fullerene. | 04-09-2015 |
| 20150099167 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND LITHIUM-ION SECONDARY BATTERY - A positive electrode active material layer comprises positive electrode active material particles containing a Li compound or a Li solid solution selected from Li | 04-09-2015 |
| 20150118549 | LITHIUM BATTERY - The present invention is to provide a lithium battery with a higher initial capacity than ever before. Disclosed is a lithium battery containing: a cathode containing LiMPO | 04-30-2015 |
| 20150140421 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery includes: a cathode including a lithium-oxygen-containing compound; an anode; and non-aqueous electrolytic solution including one or more first anions represented by Formula (1). | 05-21-2015 |
| 20150147643 | Purified Metal Complex Having Oxalic Acid as Ligand, and Method For Producing Purified Solution of Said Metal Complex in Non-Aqueous Solvent - The present invention provides a purified metal complex having oxalic acid as a ligand and a method for industrially producing a purified non-aqueous solvent solution of the metal complex at low cost. In the method of the present invention, oxalic acid contained in a non-aqueous solvent solution of a metal complex having oxalic acid as a ligand is decomposed by a reaction with a thionyl halide in a non-aqueous solvent, and the decomposition product of the reaction and the unreacted thionyl halide are removed by deaeration. | 05-28-2015 |
| 20150303513 | NONAQUEOUS ELECTROLYTIC STORAGE ELEMENT - To provide nonaqueous electrolytic storage element, containing: a positive electrode, which contains a positive electrode active material capable of accumulating and releasing anions; a negative electrode containing a negative electrode active material capable of accumulating and releasing cations; and a nonaqueous electrolyte containing an electrolyte salt, wherein a capacity of the negative electrode per unit area is larger than a capacity of the positive electrode per unit area, and wherein an amount of the electrolyte salt in the nonaqueous electrode at the time of completion of charging after 50 cycles of charging and discharging is 0.2 mol/L to 1 mol/L, where the cycle of charging and discharging contains charging the nonaqueous electrolytic storage element to 5.2 V with constant electric current of 0.5 mA/cm | 10-22-2015 |
| 20150303519 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - Provided is a nonaqueous electrolyte secondary battery having both superior output characteristics and durability. The positive electrode and the negative electrode of this battery are respectively provided with a film containing lithium ions and fluoride ions. The film of the positive electrode is such that a ratio (C | 10-22-2015 |
| 20150325857 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and an electrolyte solution containing a supporting salt having ionic conductivity, wherein the positive electrode contains an electrically conductive polymer, the negative electrode contains a carbonaceous material capable of lithium ion insertion/desertion, and the electrolyte solution contains a negative electrode film-forming agent. Consequently, the nonaqueous electrolyte secondary battery, which uses the electrically conductive polymer in the positive electrode and the carbonaceous material in the negative electrode, has an excellent weight energy density and can effectively suppress deterioration of battery performance. | 11-12-2015 |
| 20150340675 | ELECTROSTATIC DISSIPATIVE POLYESTER TPU AND COMPOSITIONS THEREOF - The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof. The invention further provides for methods of making said thermoplastic polyurethane composition, polymer blends containing said thermoplastic and polymer articles made from said thermoplastic. | 11-26-2015 |
| 20150340696 | CATHODE ACTIVE MATERIAL FOR LITHIUM-SULFUR BATTERY AND MANUFACTURING METHOD THEREFOR - The present invention relates to a cathode active material for a lithium-sulfur battery and a method of preparing the same, and more particularly, to a cathode active material for a lithium-sulfur battery comprising: an amphiphilic polymer comprising hydrophilicity parts and hydrophobicity parts; and a sulfur-carbon composite, and a method of preparing the same. When a lithium-sulfur battery is prepared using the cathode active material, there is an effect which may enhance the electric conductivity in an electrode, cycle characteristics and capacity. | 11-26-2015 |
| 20150349338 | Antimony-Based Anode on Aluminum Current Collector - An electrochemical battery is provided with an aluminum anode current collector and an antimony (Sb)-based electrochemically active material overlying the aluminum current collector. The Sb-based electrochemically active material may be pure antimony, Sb with other metal elements, or Sb with non-metal elements. For example, the Sb-based electrochemically active material may be one of the following: Sb binary or ternary alloys of sodium, silicon, tin, germanium, bismuth, selenium, tellurium, thallium, aluminum, gold, cadmium, mercury, cesium, gallium, titanium, lead, carbon, and combinations thereof. The aluminum current collector may additionally include a material such as magnesium, iron, nickel, titanium, and combinations thereof. In one aspect, the anode further composed of a coating interposed between the aluminum current collector and the Sb-based electrochemically active material. This coating may be a non-corrodible metal or a carbonaceous material. The cathode is may be composed of a number of different active materials including sodium-based Prussian Blue analogues. | 12-03-2015 |
| 20150357646 | Sodium and Potassium Ion Batteries with Halogen Salts - A sodium or potassium battery is provided, prior to an initial charge and discharge cycle, with a halogen salt additive. As is conventional, the battery is made up of the following components: an anode, a cathode, and an electrolyte. In addition, the battery includes a halogen salt (MX), where M is a metal and X is a halogen element. The halogen salt is added to the anode, the cathode, the electrolyte, or combinations thereof. The concentration MX with respect to the component(s) to which it is added is in the range of 0.01% to 10% in weight. The element X can be selected from the group of halogen elements listed in the Periodic Table. M is a material such as lithium, sodium, potassium, cesium, magnesium, calcium, barium, titanium, manganese, iron, cobalt, nickel, copper, zinc, ammonium, or combinations thereof. Advantageously, the electrolyte may be either aqueous or non-aqueous. | 12-10-2015 |
| 20150364798 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY AND PRODUCTION PROCESS FOR THE SAME, AND LITHIUM-ION SECONDARY BATTERY - A positive-electrode active-material layer is formed of positive-electrode active-material particles including an Li compound or solid solution selected from the group consisting of Li | 12-17-2015 |
| 20160020459 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention has a main object to improve the thermal stability of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to an aspect of the present invention includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode contains a positive electrode active material and a metal fluoride. The positive electrode active material contains particles of a lithium transition metal oxide. At least one portion of the surface of each of the lithium transition metal oxide particles has a rare-earth compound attached thereto. The nonaqueous electrolyte contains a fluorine-containing lithium salt. The rare-earth compound is preferably a hydroxide, an oxyhydroxide, or an oxide. | 01-21-2016 |
| 20160043437 | PURE ELECTROLYTE - The present invention relates to pure lithium hexafluorophosphate and its use in an electrolyte and also a process for reducing the content of fluoride in lithium hexafluorophosphate. | 02-11-2016 |
| 20160056504 | ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte is employed in the lithium battery so as to improve cycle characteristics of the lithium battery that is operable at high voltages. | 02-25-2016 |
| 20160064738 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An aspect of the invention resides in a nonaqueous electrolyte secondary battery ( | 03-03-2016 |
| 20160064775 | ENERGY STORAGE DEVICE - Provided is an energy storage device including an electrolyte solution including a compound represented by the general formula (1), a compound represented by the general formula (2), and a compound represented by the general formula (3): | 03-03-2016 |
| 20160090310 | LOW-CHLORIDE ELECTROLYTE - The present invention relates to a method for preparing low-chloride lithium hexafluorophosphate starting from lithium fluoride and phosphorus pentafluoride and use thereof in an electrolyte. | 03-31-2016 |
| 20160099486 | SECONDARY BATTERY ELECTROLYTE AND SECONDARY BATTERY - The present invention relates to a secondary battery electrolyte, which contains a first fluorine-containing ether compound, a second fluorine-containing ether compound, and at least one selected from fluorine-containing phosphate ester compounds and sulfone compounds, wherein the fluorine substitution rate of the first fluorine-containing ether compound is lower than that of the second fluorine-containing ether compound, and the content of the first fluorine-containing ether compound is higher than that of the second fluorine-containing ether compound. According to the present invention, with respect to batteries operating at a high voltage, and batteries supposed to be used at a high temperature for a long period, there can be provided a lithium secondary battery suppressed in the decomposition reaction of the electrolyte and improved in the life characteristics. | 04-07-2016 |
| 20160104890 | ELECTRODE COMPOSITIONS AND RELATED ENERGY STORAGE DEVICES - A positive electrode composition is presented. The composition includes granules that comprise an electroactive metal, an alkali metal halide, sulfur and carbon. A molar ratio of the electroactive metal to an amount of sulfur in the composition is between about 1.5:1 and about 10:1. Carbon is present in an amount greater than about 0.1 and less than about 5 weight percent, based on a total weight of the granules. An energy storage device and a related energy storage system are also described. | 04-14-2016 |
| 20160118644 | LITHIUM-ION STORAGE BATTERY AND FABRICATING METHOD THEREOF - A lithium-ion storage battery with a high capacity retention rate is provided. A lithium-ion storage battery with a longer lifetime is provided. A method for fabricating a lithium-ion storage battery with a high capacity retention rate is provided. A lithium-ion storage battery includes a positive electrode, a negative electrode, and an electrolyte solution. A coating film which includes lithium oxide is provided over the surface of the negative electrode. The electrolyte solution may include LiTFSA or LiFSA. The method for fabricating a lithium-ion storage battery includes a first step of enclosing a positive electrode, a negative electrode, and an electrolyte solution in an exterior body and a second step of keeping the exterior body including the positive electrode, the negative electrode, and the electrolyte solution at temperature higher than or equal to 70 degrees Celsius for longer than or equal to 24 hours after the first step. | 04-28-2016 |
| 20160118649 | POSITIVE ELECTRODE ACTIVE MATERIAL CONTAINING SOLID SOLUTION ACTIVE MATERIAL, POSITIVE ELECTRODE CONTAINING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - A method capable of suppressing elution of a transition metal, particularly manganese, in a positive electrode active material for a non-aqueous electrolyte secondary battery provides a positive electrode active material for a non-aqueous electrolyte secondary battery, including: a solid solution active material represented by formula Li | 04-28-2016 |
| 20160118689 | LITHIUM-ION STORAGE BATTERY - A lithium-ion storage battery with a favorable cycle life at high temperatures is provided. A lithium-ion storage battery with a longer lifetime due to reduction of the capacity decrease is provided. A lithium-ion storage battery where reaction between a positive electrode active material and an electrolyte in an electrolyte solution is inhibited is provided. One embodiment of the present invention is a lithium-ion storage battery including a positive electrode, a negative electrode, an electrolyte solution. The positive electrode includes an active material, the active material includes a metal, and the electrolyte solution includes at least one of LiTFSA and LiFSA. Note that, in the lithium-ion storage battery of one embodiment of the present invention, the positive electrode may include a current collector, and the current collector may include Al. In the lithium-ion storage battery, the electrolyte solution may further include LiPF | 04-28-2016 |
| 20160141718 | COMPOSITE SEPARATOR AND ELECTROLYTE FOR SOLID STATE BATTERIES - Separator and electrolyte composites are disclosed. The composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. The electrolyte films may contain a glyme or mixture of glymes, LiX salt and complexing agent, such as PEO. The porous self-supporting separator film may be used dry or wetted with a liquid electrolyte composition. Solid state batteries using the described separator and electrolyte composites in combination with an anode and a cathode are also disclosed. | 05-19-2016 |
| 20160141719 | IONIC LIQUID, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE - A nonaqueous electrolyte of the present invention includes an ionic liquid including a first alicyclic quaternary ammonium cation having one or more substituents, a second alicyclic quaternary ammonium cation having an alicyclic skeleton that is the same as an alicyclic skeleton of the first alicyclic quaternary ammonium cation, and a counter anion to the first alicyclic quaternary ammonium cation and the second alicyclic quaternary ammonium cation and an alkali metal salt. In the second alicyclic quaternary ammonium cation, one of substituents bonded to a nitrogen atom in the alicyclic skeleton is a substituent including a halogen element. In the ionic liquid, the amount of a salt including the second alicyclic quaternary ammonium cation is less than or equal to 1 wt % per unit weight of the ionic liquid, or is less than or equal to 0.8 wt % per unit weight of the nonaqueous electrolyte. | 05-19-2016 |
| 20160155534 | Thermally-Drawn Fiber Including Porosity | 06-02-2016 |
| 20160164103 | CATHODE FOR LITHIUM-SULFUR BATTERY AND MANUFACTURING METHOD THEREFOR - The present application relates to a cathode for a lithium-sulfur battery and a method of preparing the same. More specifically, the cathode for a lithium-sulfur battery according to an exemplary embodiment of the present application includes: a cathode active part including a sulfur-carbon composite; and a cathode coating layer including an amphiphilic polymer provided on at least one portion of a surface of the cathode active part and including a hydrophilic portion and a hydrophobic portion. | 06-09-2016 |
| 20160181660 | NONAQUEOUS ELECTROLYTE COMPOSITIONS COMPRISING LITHIUM MALONATOBORATE AND FLUORINATED SOLVENT | 06-23-2016 |
| 20160181664 | ELECTROLYTE FOR SODIUM ION SECONDARY BATTERY | 06-23-2016 |
| 20160190558 | SULFUR NANOSPONGE CATHODE FOR LITHIUM-SULFUR BATTERY AND METHODS OF MANUFACTURE THEREOF - The present invention is directed to lithium-sulfur batteries exhibiting a high capacity, high cycle life with low production cost and improved safety. | 06-30-2016 |
| 20160190561 | CATHODE FOR LITHIUM-SULFUR BATTERY AND PREPARATION METHOD THEREFOR - The present application relates to a cathode for a lithium-sulfur battery and a method of preparing the same. A cathode for a lithium-sulfur battery according to an exemplary embodiment of the present application includes: a cathode active part including a sulfur-carbon composite; and a cathode coating layer provided on at least a portion of a surface of the cathode active part and including an inorganic oxide. | 06-30-2016 |
| 20160190595 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery with reduced resistance in a low SOC range, with the battery having a coating on its negative electrode active material. This invention provides a non-aqueous electrolyte secondary battery comprising a positive electrode that has a positive electrode active material layer comprising a positive electrode active material, a negative electrode that has a negative electrode active material layer comprising a negative electrode active material, and a non-aqueous electrolyte. The negative electrode active material has a coating. The coating comprises an oxalato complex-derived component and an N-methyl-2-pyrrolidone-derived component. The non-aqueous electrolyte secondary battery internally comprises tungsten. The tungsten content per unit capacity of the non-aqueous electrolyte secondary battery is 0.0048 g/Ah to 0.0078 g/Ah. | 06-30-2016 |
| 20160204426 | LITHIUM ION SECONDARY BATTERY, AND METHOD OF MANUFACTURING LITHIUM ION SECONDARY BATTERY | 07-14-2016 |
| 20160380306 | GRAPHENE OXIDE BASED ELECTROCHEMICAL CELL AND BATTERY - A graphene oxide based electrochemical cell and a battery containing a plurality of electrochemical cells, at least one of which is the graphene oxide based electrochemical cell. The graphene oxide based electrochemical cell includes an aqueous electrolyte solution, an anode and a cathode contained in a vessel, wherein the aqueous electrolyte solution includes water, graphene oxide nanosheets and CuCl | 12-29-2016 |
| 20160380308 | ELECTROLYTE FORMULATIONS FOR LITHIUM ION BATTERIES - Electrolyte solutions including additives or combinations of additives that provide low temperature performance and high temperature stability in lithium ion battery cells. | 12-29-2016 |
