| Entries |
| Document | Title | Date |
|---|
| 20080206652 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery | 08-28-2008 |
| 20080220336 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME - The electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent including 10 to 20 volume % of cyclic carbonate, a dinitrile-based compound, and a lithium salt. The electrolyte can prevent a voltage drop when the rechargeable lithium battery is exposed to high temperatures for a long period of time. | 09-11-2008 |
| 20080233485 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprises: a positive electrode using a positive electrode active material consisting of metal composite oxide containing lithium having a laminated structure; a negative electrode; and a non-aqueous electrolyte dissolving an electrolyte in a non-aqueous solvent; wherein the positive electrode active material contains 50 mol % or more of nickel in metal excluding lithium, and cyclic ether is added in the range of 0.1 volume % to 2.0 volume % to the non-aqueous electrolyte. | 09-25-2008 |
| 20080241701 | LITHIUM SECONDARY BATTERY - The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume. | 10-02-2008 |
| 20080241702 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery according to an embodiment of the invention, a nonaqueous electrolyte contains: a tertiary carboxylate ester represented by the following general formula (1) in an amount of a range of 3% by mass or more and 80% by mass or less based on the total mass of the nonaqueous solvent: | 10-02-2008 |
| 20080292972 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery including: a negative electrode comprising lithium-vanadium oxide having the following Formula 1 and being capable of intercalating and deintercalating lithium ions, and a carbon-based material; a positive electrode comprising a positive active material capable of intercalating and deintercalating lithium ions; and an electrolyte comprising a monomer including alkylene oxide and a reactive double bond, a lithium salt, and a non-aqueous organic solvent. | 11-27-2008 |
| 20090023076 | POLYMER ELECTROLYTE AND BATTERY USING SAME - A polymer electrolyte with the superior chemical stability and the high ion conductivity and a battery using it are provided. A polymer electrolyte ( | 01-22-2009 |
| 20090111031 | ANODE ACTIVE MATERIAL, 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 anode has an anode active material layer that contains an anode active material containing silicon on an anode current collector, and intensity ratio I | 04-30-2009 |
| 20090117473 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - A negative electrode for a nonaqueous electrolyte secondary battery having a small surface film resistance and a high negative electrode strength, wherein the negative electrode includes a collector and an active material layer formed thereon, wherein the active material layer contains an active material and a binder composition, wherein the active material is a material in which metal oxide fine particles having an average particle diameter of 250 nm or less are attached to the surface thereof, and wherein the binder composition contains a binder having an olefinic unsaturated bond. | 05-07-2009 |
| 20090305143 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - This invention relates to a non-aqueous electrolyte secondary battery including a positive electrode including a positive electrode mixture, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode mixture includes a positive electrode active material, and the positive electrode active material includes a lithium nickel composite oxide. The non-aqueous electrolyte includes a non-aqueous solvent and a lithium salt dissolved in the non-aqueous solvent. The amount of moisture contained in the positive electrode mixture is greater than 1000 ppm and equal to or less than 6000 ppm. By adjusting the amount of moisture contained in the positive electrode mixture in the above range, it is possible to improve the cycle characteristics of the non-aqueous electrolyte secondary battery including the lithium nickel composite oxide as the positive electrode active material. | 12-10-2009 |
| 20090305144 | ELECTROCHEMICAL DEVICE - There is provided an electrochemical device provided with an electrolytic solution comprising (I) a solvent for dissolving an electrolyte salt comprising (A) a fluorine-containing ether represented by the formula (1): | 12-10-2009 |
| 20100028784 | ELECTROLYTE COMPOSITION, LITHIUM-CONTAINING ELECTROCHEMICAL CELL, BATTERY PACK, AND DEVICE INCLUDING THE SAME - A nonflammable electrolyte composition comprises: a homogenous solvent mixture and a lithium salt dissolved therein. The homogenous solvent mixture comprises a cyclic carbonate and a highly fluorinated compound selected from the group consisting of highly fluorinated acyclic carbonates, CF | 02-04-2010 |
| 20100055575 | LITHIUM SECONDARY BATTERY OF ELECTROLYTE CONTAINING AMMONIUM COMPOUNDS - Disclosed is a lithium secondary battery using a cathode containing a lithium-containing transition metal oxide and an anode containing graphitized carbon, characterized in that an ammonium compound capable of providing ammonium ions is added to a non-aqueous electrolyte. Therefore, the present invention provides a lithium secondary battery having improved high-temperature performance by reducing decreases of residual capacity and recovery capacity resulting from high-temperature storage of the battery, via addition of such an ammonium compound. | 03-04-2010 |
| 20100062345 | NON-AQUEOUS ELECTROLYTE FOR BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY COMPRISING THE SAME - This invention relates to a non-aqueous electrolyte for a battery having high flame retardance and capable of giving high heat resistance to a positive electrode material of a battery, and more particularly to a non-aqueous electrolyte for a battery characterized by comprising a non-aqueous solvent containing a cyclic phosphazene compound represented by the following general formula (I): | 03-11-2010 |
| 20100104950 | FLUORINATED COMPOUNDS FOR USE IN LITHIUM BATTERY ELECTROLYTES - Provide are fluorinated cyclic and acyclic carbonate solvent compositions such as various fluorine substituted 1,3-dioxolane-2-one compounds and fluorine substituted 1,3-dioxane-2-one compounds, which are useful as electrolyte solvents for lithium ion batteries. | 04-29-2010 |
| 20100119953 | ELECTROLYTE FOR NON-AQUEOUS CELL AND NON-AQUEOUS SECONDARY CELL - In a rechargeable non-aqueous electrolyte secondary battery using positive electrodes, negative electrodes and a non-aqueous electrolytic solution, additives to the electrolytic solution are used in combination, preferably in combination of at least two compounds selected from o-terphenyl, triphenylene, cyclohexylbenzene and biphenyl, and thus there are provided batteries excellent in safety and storage characteristics. | 05-13-2010 |
| 20100119954 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE ELECTROLYTE SOLUTION - A non-aqueous electrolyte for a secondary battery includes a solvent and an electrolyte containing a lithium salt. The solvent contains 4-fluoroethylene carbonate and a chain carboxylic ester represented by the formula R | 05-13-2010 |
| 20100124708 | NON-AQUEOUS ELECTROLYTE AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte is provided that includes a non-aqueous solvent and an electrolyte salt, wherein the non-aqueous solvent contains a fluorinated ether (1) represented by the following Formula: HCF | 05-20-2010 |
| 20100209781 | 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 of formula (1). Incorporation of the compound (1) into the electrolyte significantly improves the high-temperature performance and cycle life characteristics of the battery. | 08-19-2010 |
| 20100209782 | Flame Retardant Electrolyte for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including the Same - Flame retardant electrolyte solutions for rechargeable lithium batteries and lithium batteries including the electrolyte solutions are provided. The flame retardant electrolyte solution includes a lithium salt, a linear carbonate-based solvent, at least one ammonium cation, a phosphoric acid-based solvent, and an additive including oxalatoborate. | 08-19-2010 |
| 20100221616 | NON-AQUEOUS CELL HAVING AMORPHOUS OR SEMI-CRYSTALLINE COPPER MANGANESE OXIDE CATHODE MATERIAL - The present disclosure relates generally to a high capacity cathode material suitable for use in a non-aqueous electrochemical cell that comprises copper manganese oxide, which may be in amorphous or semi-crystalline form, and optionally fluorinated carbon. The present disclosure additionally relates to a non-aqueous electrochemical cell comprising such a cathode material and, in particular, to such a non-aqueous electrochemical cell that can deliver a higher capacity than conventional cell. | 09-02-2010 |
| 20100248037 | Lithium Secondary Battery - A lithium secondary battery is intended to suppress deterioration upon storage at high temperature of 50° C. or higher without deteriorating the output characteristics at a room temperature. The battery includes a positive electrode capable of occluding and releasing lithium ions, a negative electrode capable of occluding and releasing lithium ions, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. The electrolyte contains a compound having a double bond in the molecule and a compound having a plurality of polymerizable functional groups in the molecule, and the electrolyte contains a compound represented by formula (4): | 09-30-2010 |
| 20100248038 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a lithium/manganese-containing oxide represented by Li | 09-30-2010 |
| 20100273065 | Non-Aqueous Electrolyte Solution For Lithium Ion Secondary Battery And Lithium Ion Secondary Battery Having The Same - A non-aqueous electrolyte solution for a lithium ion secondary battery includes a lithium salt and an organic solvent. The organic solvent includes a carbonate compound, a linear ester compound and a linear ester decomposition inhibitor. This non-aqueous electrolyte solution restrains swelling while improving low temperature charging/discharging characteristics of the secondary battery in comparison to a conventional electrolyte since it contains the linear ester compound and the linear ester decomposition inhibitor. The non-aqueous electrolyte solution may be used in making a lithium ion secondary battery. | 10-28-2010 |
| 20100310943 | SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY BATTERY - There are provided a solvent for dissolving an electrolyte salt of lithium secondary battery comprising at least one fluorine-containing solvent (I) selected from the group consisting of a fluorine-containing ether, a fluorine-containing ester and fluorine-containing chain carbonate, 1,2-dialkyl-1,2-difluoroethylene carbonate (II) and other carbonate (III), a non-aqueous electrolytic solution comprising the solvent and an electrolyte salt, and a lithium secondary battery using the non-aqueous electrolytic solution. The solvent for dissolving an electrolyte salt provides a lithium secondary battery being excellent particularly in discharge capacity, rate characteristic and cycle characteristic and has enhanced incombustibility (safety) and the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt. | 12-09-2010 |
| 20110008682 | SOLVENT FOR NON-AQUEOUS ELECTROLYTIC SOLUTION OF LITHIUM SECONDARY BATTERY - There is provided a solvent for non-aqueous electrolytic solution of lithium secondary battery comprising a non-fluorine-containing cyclic carbonate (I), a non-fluorine-containing chain carbonate (II) and 1,2-dialkyl-1,2-difluoroethylene carbonate (III), wherein assuming that the total amount of (I), (II) and (III) is 100% by volume, the non-fluorine-containing cyclic carbonate (I) is contained in an amount of 10 to 50% by volume, the non-fluorine-containing chain carbonate (II) is contained in an amount of 49.9 to 89.9% by volume and the 1,2-dialkyl-1,2-difluoroethylene carbonate (III) is contained in an amount of not less than 0.1% by volume and less than 30% by volume. Also, there are provided a non-aqueous electrolytic solution comprising the mentioned solvent and a lithium secondary battery using the non-aqueous electrolytic solution. The solvent for non-aqueous electrolytic solution of lithium secondary battery provides a lithium secondary battery having specifically excellent discharge capacity, rate characteristic, cycle characteristic and safety. | 01-13-2011 |
| 20110059371 | MULTI-LAYER STRUCTURED CARBONACEOUS MATERIAL, PROCESS FOR PRODUCING THE SAME, AND NONAQUEOUS SECONDARY BATTERY ADOPTING THE SAME - It is aimed at providing: a negative electrode material for a nonaqueous secondary battery, which has a higher capacity, is low in irreversible capacity upon initial charge and discharge, and has excellent cycle characteristics; and a nonaqueous secondary battery adopting the negative electrode material. The object is achieved by: a multi-layer structured carbonaceous material obtained by mixing graphitic carbon particles with an organic compound and by thermally treating the mixture, wherein loop structures are present at an edge portion of each of the graphitic carbon particles, and wherein the graphitic carbon particles have carbonized products of the organic compound affixed to surfaces of the particles, respectively, while maintaining the loop structures; and a nonaqueous secondary battery adopting the multi-layer structured carbonaceous material. | 03-10-2011 |
| 20110117446 | INHIBITION OF ELECTROLYTE OXIDATION IN LITHIUM ION BATTERIES WITH ELECTROLYTE ADDITIVES - A lithium ion battery electrolyte for use in lithium ion batteries. The electrolyte includes LiPF | 05-19-2011 |
| 20110117447 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE ELECTROLYTE SOLUTION - A non-aqueous electrolyte for a secondary battery includes a solvent and an electrolyte containing a lithium salt. The solvent contains 4-fluoroethylene carbonate and a chain carboxylic ester represented by the formula R | 05-19-2011 |
| 20110123873 | Quaternary ammonium salt and composition, and electrochemical device - A quaternary ammonium salt of the formula (1), a composition containing the quaternary ammonium salt and an organic solvent, and an electrochemical device using the salt | 05-26-2011 |
| 20110136019 | LITHIUM ION BATTERY WITH HIGH VOLTAGE ELECTROLYTES AND ADDITIVES - Desirable electrolyte compositions are described that are suitable for high voltage lithium ion batteries with a rated charge voltage at least about 4.45 volts. The electrolyte compositions can comprise ethylene carbonate and solvent composition selected from the group consisting of dimethyl carbonate, methyl ethyl carbonate, γ-butyrolactone, γ-valerolactone or a combination thereof. The electrolyte can further comprise a stabilization additive. The electrolytes can be effectively used with lithium rich positive electrode active materials. | 06-09-2011 |
| 20110143217 | ELECTROCHEMICAL CELL COMPRISING A SEPARATOR COMPRISING A NANOWEB CONSISTING ESSENTIALLY OF NANOFIBERS OF FULLY AROMATIC POLYIMIDE - This invention provides an electrochemical cell comprising a housing having disposed therewithin, an electrolyte, and a multi-layer article at least partially immersed in the electrolyte; the multi-layer article comprising a first metallic current collector, a first electrode material in electrically conductive contact with the first metallic current collector, a second electrode material in ionically conductive contact with the first electrode material, a porous separator disposed between and contacting the first electrode material and the second electrode material; and, a second metallic current collector in electrically conductive contact with the second electrode material, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a process for preparing the multi-layer article. Further provided is an electrochemical cell wherein the separator is a polyimide nanoweb with enhanced properties. | 06-16-2011 |
| 20110165474 | ELECTROLYTE FOR A HIGH VOLTAGE BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte for lithium secondary batteries that allows the batteries to operate safely at a charging voltage up to 4.35V, wherein the electrolyte comprises a combination of a fluoroethylene carbonate compound and a linear ester compound as solvent. Also, the present invention provides a lithium secondary battery that can operate at a charging voltage up to 4.35V, which comprises a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate compound and linear ester compound as solvent. | 07-07-2011 |
| 20110189548 | IONIC ADDITIVES FOR ELECTROCHEMICAL DEVICES USING INTERCALATION ELECTRODES - An electrochemical cell comprising a cathode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations and molecules; an anode comprising an electrode active material that reversibly intercalates and de-intercalates any of cations, anions, and molecules; a separator material that separates the cathode from the anode; and an electrolyte comprising a base electrolyte composition, an ionic compound additive, and a solvent comprising any of aqueous and non-aqueous electrolyte solvents, wherein the additive dissolves in the base electrolyte composition as well a majority of the aqueous or non-aqueous electrolyte solvents, wherein the additive comprises a solubility of at least approximately 0.01 in the base electrolyte composition, wherein the additive dissociates into corresponding cations and anions upon dissolution, and wherein the cations originate from a metal element and reduce to an elemental form at a potential that is at least approximately 0.50 V above that of lithium. | 08-04-2011 |
| 20110195317 | SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY CELL - A solvent for a non-aqueous electrolytic solution providing a lithium secondary cell being specifically excellent in discharge capacity, rate characteristic and cycle characteristic and having improved incombustibility (safety), a non-aqueous electrolytic solution using the solvent, and further a lithium secondary cell are provided. The solvent for dissolving an electrolyte salt of a lithium secondary cell comprises at least one fluorine-containing solvent (I) selected from the group consisting of fluorine-containing ether, fluorine-containing ester and fluorine-containing chain carbonate, a fluorine-containing aromatic compound (II), in which a part or the whole of hydrogen atoms are replaced by fluorine atoms, and other carbonate (III), the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt, and the lithium secondary cell uses the non-aqueous electrolytic solution. | 08-11-2011 |
| 20110195318 | LITHIUM ION BATTERY - A lithium ion battery capable of maintaining for a long time fire resistance of a nonaqueous electrolytic solution at a time of battery abnormality to secure safety is provided. In the lithium ion battery, two kinds of organic solvent, EC and DEC, are used for mixed organic solvent which forms the nonaqueous electrolytic solution, and liquid flame retardant formed by phosphazene A having a boiling point closely to that of EC and phosphazene B having a boiling point closely to that of DEC is added to the electrolytic solution. At battery abnormality, when the battery temperature goes up due to internal short circuit of positive and negative electrodes caused by melting of separators to decompose each of EC and DEC, the phosphazene A and B, each having the boiling point closely to that of EC and DEC, decompose timely to function, thereby fire resistance of the electrolytic solution can be maintained for a long time to secure safety of the battery at the time of battery abnormality. | 08-11-2011 |
| 20110206998 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a positive electrode including a positive active material and an activated carbon, a negative electrode including a negative active material, and a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes about 30 volume % to about 90 volume % of propylene carbonate. | 08-25-2011 |
| 20110223490 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In the nonaqueous electrolyte secondary battery, the positive electrode active material is composed of a mixture of a lithium-cobalt composite oxide containing at least both zirconium and magnesium, and a lithium-manganese-nickel composite oxide containing at least both manganese and nickel. The nonaqueous electrolyte includes fluoroethylene carbonate and dimethyl carbonate as a nonaqueous solvent and further includes an additive expressed by General Formula (1), which having a capability to form an SEI surface film, and a higher oxidation resistance than that of VC. Thus, the negative electrode active material is unlikely to react with the organic solvent. Therefore, decomposition of the organic solvent is suppressed. Thus the battery having a long cycling life even when it is charged at a positive electrode charging potential of 4.4 to 4.6 V based on lithium and having a high residual capacity after storage at high temperature in a charged state is provided. | 09-15-2011 |
| 20110250504 | LITHIUM SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTIC SOLUTION - The sudden generation of heat being frequently caused in the case of the overcharge of a lithium secondary cell which have a positive electrode comprising a composite metal oxide of lithium and cobalt or a composite metal oxide of lithium and nickel, a negative electrode comprising metallic lithium, a lithium alloy or a material capable of occluding and releasing lithium, and a nonaqueous electrolyte solution comprising a nonaqueous solvent and an electrolyte dissolved therein can be efficiently prevented by the addition, to the nonaqueous electrolyte solution, of an organic compound which, when the lithium secondary cell is overcharged, decomposes into a decomposition product capable of dissolving out the cobalt or nickel contained in the positive electrode and depositing it ion the negative electrode (for example, a tert-alkylbenzene derivative). | 10-13-2011 |
| 20110269026 | NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME - A nonaqueous electrolytic solution which may suppress the overcharge of a battery and a nonaqueous electrolyte secondary battery using the solution are provided. The overcharge of the battery is suppressed by undergoing the electrolytic polymerization in the solution when the battery is overcharged, and simultaneously more effectively suppressed by increasing the internal resistance of the battery. The nonaqueous electrolytic solution comprises a polymer which undergoes the electrolytic polymerization in the range of 4.3V or more to 5.5V or less at the lithium metal standard voltage, having a repeating unit represented by the formula (1), an electrolytic salt and a nonaqueous solvent. | 11-03-2011 |
| 20110274986 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTIC SOLUTION FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode having a positive-electrode active material, a negative electrode having a negative-electrode active material, and a nonaqueous electrolytic solution having a nonaqueous solvent dissolving a solute. The negative-electrode active material includes powdered silicon and/or a silicon alloy, the nonaqueous electrolytic solution includes additives composed of at least one fluorinated lithium phosphate selected from the group consisting of lithium monofluorophosphate, lithium difluorophosphate, and lithium trifluorophosphate and a diisocyanate compound, and the nonaqueous solvent includes a chain carbonate compound. | 11-10-2011 |
| 20110281178 | NONAQUEOUS ELECTROLYTE AND LITHIUM-ION SECONDARY BATTERY USING THEREOF - A nonaqueous electrolyte and a lithium-ion secondary battery using the same, wherein a mixture of a cyclic carbonate, a chain carbonate, a first phosphoric acid ester wherein bonding between carbons is a single bond, and a second phosphoric acid ester wherein bonding between carbons contains a double bond is used as the nonaqueous electrolyte. It is desirable that the first phosphoric acid ester is a trimethyl phosphate. In addition, it is desirable that the second phosphoric acid ester is a dimethylisopropenyl phosphate. | 11-17-2011 |
| 20110281179 | NON-AQUEOUS ELECTROLYTIC SOLUTION, AND LITHIUM BATTERY COMPRISING SAME - Provided are a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, which is characterized by containing a fluorine-containing phenol represented by the following general formula (I) in an amount of from 0.01 to 3% by mass of the nonaqueous electrolytic solution, and is excellent in storage property of a primary battery, cycle property upon use of a secondary battery at a high temperature, and suppressing effect on the generation of a gas during the charged battery storing of the secondary battery, and a lithium battery using the solution. | 11-17-2011 |
| 20120034533 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqueous electrolyte solution includes a lithium salt, an organic solvent and additives. The additives include: 1 to 10% by weight of a mixture of a particular halogenated cyclic carbonate and a compound containing a vinylene or vinyl group; and 0.1 to 9% by weight of a nitrile compound having a C | 02-09-2012 |
| 20120058400 | RECHARGEABLE BATTERY USING AN AQUEOUS BINDER - A battery includes a positive electrode mix having a positive electrode active material, a water soluble binder including a poly(acrylonitrile-co-acrylamide) polymer and water, and a conductive additive. The battery also includes a negative electrode mix having a negative electrode active material, a water soluble binder including a poly(acrylonitrile-co-acrylamide) polymer and water, and a conductive additive or additives. The battery also includes an electrolyte. | 03-08-2012 |
| 20120088161 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is a non-aqueous electrolyte solution for a lithium secondary battery. The non-aqueous electrolyte solution includes an electrolyte salt and an organic solvent. The non-aqueous electrolyte solution further includes (a) a polyfunctional compound including two or more functional groups, at least one of which is an acryl group, and (b) an anion receptor selected from the group consisting of a borane compound, a borate compound and a mixture thereof. Further disclosed is a lithium secondary battery including the non-aqueous electrolyte solution. A stable solid electrolyte interface (SEI) film is formed on an anode of the lithium secondary battery. The amount of LiF in the SEI film is controlled, achieving improved cycle life characteristics of the battery. | 04-12-2012 |
| 20120100435 | METHOD FOR PRODUCING DIFLUOROPHOSPHATE, NON-AQUEOUS ELECTROLYTE FOR SECONDARY CELL AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A difluorophosphate effective as an additive for a nonaqueous electrolyte for secondary battery is produced by a simple method from inexpensive common materials. | 04-26-2012 |
| 20120100436 | LITHIUM-ION SECONDARY BATTERY - Disclosed is a lithium-ion secondary battery which includes a carbonaceous material in an anodic active material mix, and a cyclic carbonate and a chain carbonate both in an electrolytic solution. The solvent contains an additive which is a substance having a LUMO energy determined through molecular orbital calculation of lower than the LUMO energy of ethylene carbonate determined through molecular orbital calculation and having a HOMO energy lower than the HOMO energy of vinylene carbonate determined through molecular orbital calculation, the electrolytic solution contains LiPF | 04-26-2012 |
| 20120115043 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte solution containing a nonaqueous solvent. The positive electrode active material contains a lithium-containing transition metal oxide represented by general formula (1), Li | 05-10-2012 |
| 20120121989 | ELECTROLYTES FOR RECHARGEABLE BATTERIES - Provided are novel electrolytes for use in rechargeable lithium ion cells containing high capacity active materials, such as silicon, germanium, tin, and/or aluminum. These novel electrolytes include one or more pyrocarbonates and, in certain embodiments, one or more fluorinated carbonates. For example, dimethyl pyrocarbonate (DMPC) may be combine with mono-fluoroethylene carbonate (FEC). Alternatively, DMPC or other pyrocarbonates may be used without any fluorinated carbonates. A weight ratio of pyrocarbonates may be between about 0% and 50%, for example, about 10%. Pyrocarbonates may be combined with other solvents, such as ethylene carbonate (EC), propylene carbonate (PC), dimethyl carbonate (DMC), diethyl carbonate (DEC), and/or ethyl-methyl carbonate (EMC). Alternatively, pyrocarbonates may be used without such solvents. Experimental results conducted using electrochemical cells with silicon based electrodes demonstrated substantial improvements in cycle life when pyrocarbonate containing electrolytes were used in comparison with pyrocarbonate free electrolytes. | 05-17-2012 |
| 20120129053 | NON-AQUEOUS ELECTROLYTE AND ELECTROCHEMICAL DEVICE WITH AN IMPROVED SAFETY - Disclosed is an electrochemical device comprising a cathode having a complex formed between a surface of a cathode active material and an aliphatic di-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula 1 or its decomposition product based on the weight of the electrolyte. | 05-24-2012 |
| 20120135315 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery is provided that uses as a positive electrode active material a low-cost lithium-containing transition metal composite oxide containing Ni and Mn as its main components, to improve the output power characteristics so that it can be used suitably for an electric power source for, for example, hybrid electric vehicles. A non-aqueous electrolyte secondary battery has a positive electrode ( | 05-31-2012 |
| 20120141884 | NONAQUEOUS ELECTROLYTE LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium-ion secondary battery with excellent high-temperature storage characteristics. The lithium-ion secondary battery provided by the present invention has positive and negative electrodes capable of absorbing and desorbing lithium ions, and an electrolyte solution containing a lithium salt as a supporting salt in an organic solvent. The nonaqueous electrolyte contains not only the lithium salt, but also at least one type of dicarboxylic acid as additive A; and at least one type of additive selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B. | 06-07-2012 |
| 20120156572 | ELECTRODE ACTIVE MATERIAL FOR POWER STORAGE DEVICE, POWER STORAGE DEVICE, AND ELECTRONIC AND TRANSPORTATION DEVICE - Disclosed are an electrode active material for a power storage device and a power storage device including the same. The electrode active material includes a polymer that includes: a tetravalent group derived from a compound selected from the group consisting of EBDT and derivatives thereof, TTF and derivatives thereof, a condensation product of EBDT and TTF and derivatives thereof, and a TTF dimer and derivatives thereof; and a divalent group —S-A-S— where A is a divalent aliphatic group or a divalent group represented by the formula -E-D-E- where D represents a divalent alicyclic group, a divalent aromatic group, or a carbonyl group, and two Es each independently represent a divalent aliphatic group. Adjacent two tetravalent groups mentioned above are linked by one or two divalent groups mentioned above. | 06-21-2012 |
| 20120177999 | ELECTROLYTE SOLVENT FOR IMPROVING SAFETY OF BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte solvent for batteries, which comprises fluoroethylene carbonate and linear ester solvent. Also, the present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate and linear ester solvent. The inventive electrolyte solvent can improve the battery safety without deteriorating the battery performance. | 07-12-2012 |
| 20120183866 | Fluorinated Arylboron Oxalate as Anion Receptors and Additives for Non-Aqueous Battery Electrolytes - The present invention relates to electrochemical storage devices containing a non-aqueous lithium based electrolyte with high ionic conductivity, low impedance, and high thermal stability. More particularly, this invention relates to the design, synthesis and application of novel fluorinated arylboron oxalate based compounds which act as anion receptors and/or additives for non-aqueous batteries. When used as an anion receptor for non-aqueous battery electrolytes, the fluorinated arylboron oxalate enhances conductivity, lithium ion transference number and Solid Electrolyte Interface (SEI) formation capability during the formation cycling. | 07-19-2012 |
| 20120183867 | SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY - The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %. | 07-19-2012 |
| 20120196191 | LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery. The lithium secondary battery includes a cathode, an anode, a separator and a non-aqueous electrolyte solution. The separator includes a porous substrate, and a coating layer coated on at least one surface of the porous substrate and including a mixture of inorganic particles and a binder polymer. The non-aqueous electrolyte solution contains an ionizable lithium salt, an organic solvent, and a dinitrile compound having a specific structure. The lithium secondary battery is very safe without side reactions of the electrolyte solution. Therefore, the lithium secondary battery exhibits excellent cycle life and output performance characteristics. | 08-02-2012 |
| 20120202124 | LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery. The lithium secondary battery includes a cathode, an anode, a separator and a non-aqueous electrolyte solution. Either the cathode or the anode or both include metal oxide coating layers on electrode active material particles forming the electrode or a metal oxide coating layer on the surface of an electrode layer formed on a current collector. The non-aqueous electrolyte solution contains an ionizable lithium salt, an organic solvent, and a dinitrile compound having a specific structure. In the lithium secondary battery, degradation of the electrode is prevented and side reactions of the electrolyte solution are inhibited. Therefore, the lithium secondary battery exhibits excellent cycle life and output performance characteristics. | 08-09-2012 |
| 20120219866 | NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS-ELECTROLYTE BATTERY EMPLOYING THE SAME - This invention relates to a nonaqueous electrolytic solution including a lithium salt and an organic solvent containing: a carbonate and/or an ester in a total proportion exceeding 90% by volume; and a fluorine-substituted aromatic ester represented by formula (I) in an amount of 0.01%-10% by weight based on the weight of the electrolytic solution: | 08-30-2012 |
| 20120321965 | LITHIUM ION SECONDARY BATTERY - Disclosed is a lithium ion secondary battery including: a positive electrode, a negative electrode including a negative electrode active material layer comprising an alloy-type active material, a lithium ion-permeable insulating layer interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The negative electrode active material layer includes lithium which has been absorbed therein beforehand. The non-aqueous electrolyte includes a lithium salt and a non-aqueous solvent, and the non-aqueous solvent includes: at least one fluorine-containing compound selected from hydrogen fluoride and a specific fluoroethylene carbonate compound (A); and a carbonate-based solvent (B) other than the fluoroethylene carbonate compound (A). | 12-20-2012 |
| 20130034779 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - In one aspect, an electrolyte for a rechargeable lithium battery that includes a lithium salt, an organic solvent including ethylene carbonate and an additive including diphenyl carbonate, and a rechargeable lithium battery including the same are provided. | 02-07-2013 |
| 20130052542 | ELECTROLYTE COMPOSITIONS FOR LITHIUM AND LITHIUM-ION BATTERIES - The present invention provides an electrolyte composition for a lithium or lithium-ion battery comprising a lithium salt in a liquid carrier comprising (a) a linear alkyl carbonate solvent, a cyclic alkyl carbonate solvent, or a combination thereof, and (b) a glycerol carbonate derivative compound of Formula (I): | 02-28-2013 |
| 20130065136 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery which meets the requirement [1] of satisfying the formulae (a) to (c) or the requirement [2] of satisfying the formulae (b), (d), and (e): (a) 5≦A≦25, (b) 10≦B≦60, (c) 40≦2A+B≦90, (d) 0.2≦C≦1.2, and (e) −80 200C<3B≦150, wherein A (μm) represents an average particle size of a positive electrode active material; B (vol. %) represents a volume concentration of a fluorinated ether in a nonaqueous electrolyte solution; and C (m | 03-14-2013 |
| 20130071759 | LITHIUM ION BATTERY - A lithium ion battery includes: a cathode that includes a cathode mix, which contains a cathode active material stably exhibiting a potential of 4.5 V or greater on the metallic lithium basis, a conducting material, and a binder, on a cathode collector; an anode; and a nonaqueous electrolyte that is obtained by dissolving a lithium salt in a nonaqueous solvent, in which a lithium fluoride is provided on at least a surface layer of the cathode collector. | 03-21-2013 |
| 20130122378 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte solution for a rechargeable lithium battery that includes a lithium salt; a non-aqueous organic solvent including ethyl acetate; and an additive including a sultone-based compound, wherein the sultone-based compound is included in an amount ranging from 0.1 to 5 wt % based on the total amount of the electrolyte solution is provided. | 05-16-2013 |
| 20130157147 | Low Temperature Electrolyte for High Capacity Lithium Based Batteries - Electrolytes for lithium based batteries are described with good temperature tolerance over appropriate temperature ranges for uses in vehicles. In particular, the electrolytes are suitable for high voltage operation over 4.4V and can provide high rate performance. The electrolytes generally comprise a solvent that is a mixture of ethylene carbonate, dimethyl carbonate and ethylmethyl carbonate. Alternatively, a solvent combination of fluoroethylene carbonate and dimethyl carbonate was used. A primary lithium salt is includes at a concentration greater than about 1.05M. The electrolyte generally also comprises a lithium salt additive. The electrolytes can provide some battery capacity down to at least −40° C. while providing good performance also at elevated temperatures of 45° or more, and the corresponding batteries can be cycled to several thousand cycles. | 06-20-2013 |
| 20130164634 | MIXTURES AND USE THEREOF IN LITHIUM ION BATTERIES - A mixture useful as an electrolyte in lithium ion batteries and use thereof are provided. Lithium ion batteries with good performance, especially good cyclability after prolonged operation are obtained. The mixture contains an aprotic organic solvent, a cyclic compound containing C | 06-27-2013 |
| 20130209895 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery that includes a positive electrode having an active mass density of about 3.4 g/cc to about 4.0 g/cc, a negative electrode, and an electrolyte including a non-aqueous organic solvent including a compound represented by Chemical Formula 1 in an amount of about 10 volume % to about 50 volume % based on the total amount of the non-aqueous organic solvent. Chemical Formula 1: CH | 08-15-2013 |
| 20130224606 | NON-AQUEOUS ELECTROLYTE SOLUTION - The present invention directs to a non-aqueous electrolyte solution, including (I) at least one compound selected from the group consisting of fluorinated linear sulfones and fluorinated linear sulfonic acid esters, and (II) an electrolyte salt. Such a non-aqueous electrolyte solution has high oxidation resistance, minimizes its decomposition even when hydrofluoric acid is produced. Also, the solution is less likely to cause, in the case of being used for a secondary cell, swelling of the cell and lowering of the battery performance. | 08-29-2013 |
| 20130230781 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group; and a lithium secondary battery using the same. | 09-05-2013 |
| 20130244120 | Non-Aqueous Electrolyte And Lithium Secondary Battery Using The Same - The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising fluoroethylene carbonate and a pyrimidine-based compound; and a lithium secondary battery using the same. | 09-19-2013 |
| 20130260261 | NONAQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM ION SECONDARY BATTERY - A nonaqueous electrolytic solution includes a cyclic carbonate and a chain carbonate, and contains a glycol sulfate derivative represented by formula (I) below and fluoroethylene carbonate: | 10-03-2013 |
| 20130260262 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - [Problem] To provide a nonaqueous electrolyte secondary battery exhibiting superior stability characteristics and having charge/discharge characteristics exhibiting a high-rate discharge stroke, even when a lithium-nickel-cobalt manganate and a spinel-type lithium manganate are used as the positive electrode active material. [Solution] A mixture having a specific ratio of a tungsten- and zirconium-modified lithium-nickel-cobalt manganate and a spinel-type lithium manganate is used as the positive electrode active material. Furthermore, a nonaqueous electrolyte having a specific ratio of the content of dimethyl carbonate and the content of a cyclic carbonate is used. | 10-03-2013 |
| 20130280621 | NON-AQUEOUS ELECTROLYTE SOLUTION AND USE THEREOF - The present invention provides a non-aqueous electrolyte solution that can be used as an electrolyte solution of a non-aqueous secondary battery to improve the discharge rate performance of the battery. The non-aqueous electrolyte solution comprises a non-aqueous solvent and a BF | 10-24-2013 |
| 20130295467 | CONTAINER FOR NONAQUEOUS ELECTROLYTE SOLUTION, NONAQUEOUS ELECTROLYTE SOLUTION TO PUT IN CONTAINER, AND METHOD FOR STORING NONAQUEOUS ELECTROLYTE SOLUTION - (1) A container for a nonaqueous electrolytic solution, containing a material containing an aluminum or aluminum alloy layer, and storing a nonaqueous electrolytic solution containing a nonaqueous solvent having dissolved therein an electrolyte salt, the container having a cap and a plug each formed of a resin, and maintaining the nonaqueous electrolytic solution to have a water content of 50 ppm or less after storing in the container for 30 days, (2) a nonaqueous electrolytic solution placed in the container, and (3) a method for storing a nonaqueous electrolytic solution. The container for a nonaqueous electrolytic solution is a light weight container that prevents the nonaqueous electrolytic solution from being decomposed on storing to maintain the high quality, and facilitates and ensures the handling of the nonaqueous electrolytic solution. | 11-07-2013 |
| 20130295468 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same. | 11-07-2013 |
| 20130316252 | Non-Aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Comprising The Same - A method of preparing a tricyanoalkoxy alkane compound is disclosed. The tricyanoalkoxy alkane compound is prepared by reacting an alcohol compound including at least three hydroxyl groups and a nitrile compound in the presence of a potassium alkoxide catalyst. A non-aqueous electrolyte solution comprising the tricyanoalkoxy alkane compound and a lithium secondary battery also are disclosed. The swelling of the battery may be prevented. | 11-28-2013 |
| 20130323605 | NONAQUEOUS ELECTROLYTE SOLUTION FOR BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME - A nonaqueous electrolyte solution for secondary batteries, which maintains small internal resistance and high electrical capacitance in long-term use in a nonaqueous electrolyte secondary battery uses, as an active material, a crystalline carbon material having a high crystallinity, and a negative electrode produced using a polymeric carboxylic compound as a binding agent. The nonaqueous electrolyte solution contains: (A) at least one compound selected from a group consisting of an unsaturated phosphate ester compound represented by a general formula (1) and an unsaturated phosphate ester compound represented by a general formula (2); (B) at least one compound selected from a group consisting of a sulfite ester compound, a sulfonate ester compound, an alkali metal imide salt compound, a fluorosilane compound, an organic disilane compound or an organic disiloxane compound; (C) an organic solvent, and (D) an electrolyte salt. A secondary battery using such nonaqueous electrolyte solution is also described. | 12-05-2013 |
| 20130323606 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention is aimed at providing a nonaqueous electrolyte secondary battery capable of improving cycling characteristics by improving a positive electrode active material when particles with a structure in which primary particles are aggregated to front, secondary particles are used as the positive electrode active material of the nonaqueous electrolyte secondary battery, thereby permitting preferred use as a power supply of a hybrid electric car or the like. The positive electrode active material includes secondary particles | 12-05-2013 |
| 20130330635 | NONAQUEOUS ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY - A nonaqueous electrolytic solution for a secondary battery containing an electrolyte, a solvent and methyl difluoroacetate as an additive in an amount of not less than 0.05 part by mass and not more than 10 parts by mass based on 100 parts by mass of the whole solvent. | 12-12-2013 |
| 20130337344 | LITHIUM ION SECONDARY BATTERY - In a lithium ion secondary battery using a positive electrode active material made of a lithium manganese based oxide that contains Li and tetravalent Mn and having a crystal structure known as a layered rock salt structure, oxidative and reductive degradation of the non-aqueous electrolyte solution is reduced. | 12-19-2013 |
| 20140011097 | TERT-BUTYLPHENYL SULFONATE COMPOUND, NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY USING THE SAME, AND LITHIUM SECONDARY BATTERY USING THE SAME - The disclosed subject matter relate to a di-tert-butylphenyl alkylsulfonate compound, tertbutylphenyl alkylsulfonate compound, di-tert-butylphenyl arylsulfonate compound or tertbutylphenyl arylsulfonate compound useful as an intermediate raw material of a pharmaceutical, agricultural chemical, electronic material or polymer material and the like, or as a battery material, and also provides a nonaqueous electrolytic solution for a lithium secondary battery having superior cycle performance and other battery properties through the use thereof, and a lithium secondary battery. The disclosed embodiments further relate to a nonaqueous electrolytic solution for use as in a lithium secondary battery containing, in a nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, 0.01 to 10% by weight of a di-tert-butylphenyl alkylsulfonate compound, tert-butylphenyl alkylsulfonate compound, ditert-butylphenyl arylsulfonate compound or tert-butylphenyl arylsulfonate compound, and to a lithium secondary battery and a compound. | 01-09-2014 |
| 20140011098 | LITHIUM SECONDARY BATTERY OF IMPROVED RATE CAPABILITY - Disclosed is a lithium secondary battery with improved rate characteristics. More particularly, disclosed is a lithium secondary battery including a cathode, an anode, a separator disposed between the cathode and the anode, and an electrolyte, wherein the electrolyte includes a mixed solvent of a cyclic carbonate-based material and a propionate-based material, the cathode includes a lithium manganese composite oxide represented by Formula 1 below as a cathode active material, and the anode includes a lithium metal oxide represented by Formula 2 below as an anode active material: | 01-09-2014 |
| 20140017574 | ADDITIVE FOR SODIUM ION SECONDARY BATTERY AND SODIUM ION SECONDARY BATTERY - An additive for a sodium ion secondary battery of the present invention includes a compound of at least one of a saturated cyclic carbonate having a fluoro group and a chain carbonate having a fluoro group. A sodium ion secondary battery ( | 01-16-2014 |
| 20140065491 | SECONDARY BATTERY - A secondary battery which includes a positive electrode and a negative electrode, wherein the negative electrode has a negative electrode collector and a negative electrode active material layer, and the negative electrode collector has a base material which is formed of aluminum foil and an resin film which has a thickness of 0.01 to 5 μm and does not allow a nonaqueous electrolyte to permeate therethrough. | 03-06-2014 |
| 20140106238 | LIQUID ELECTROLYTE FOR A LITHIUM BATTERY, CONTAINING A QUATERNARY MIXTURE OF NON-AQUEOUS ORGANIC SOLVENTS - A liquid electrolyte for a lithium battery including lithium perchlorate (LiClO | 04-17-2014 |
| 20140113203 | ELECTROLYTE ADDITIVES FOR LITHIUM ION BATTERY AND LITHIUM ION BATTERY CONTAINING SAME - Electrolyte additives are described that enhance cycling stability of electrolytes and lithium composite electrodes that prolong cycling lifetimes and improve electrochemical performance of lithium ion batteries. The electrolyte additives minimize voltage fading and capacity fading observed in these batteries by reducing accumulation of passivation films on the electrode surface. | 04-24-2014 |
| 20140113204 | LIQUID ELECTROLYTE FOR LITHIUM ACCUMULATOR, CONTAINING A TERNARY MIXTURE OF NON-AQUEOUS ORGANIC SOLVENTS - Disclosed is a liquid electrolyte for a lithium accumulator and the use thereof in a lithium accumulator at low temperature. The liquid electrolyte includes at least one lithium salt dissolved in a mixture of non-aqueous organic solvents. The mixture of organic solvents is formed by propylene carbonate (PC), γ-butyrolactone (GBL) and ethyl methyl carbonate (EMC). The mixture of organic solvents preferably contains between: 0.5% and 33% in volume of propylene carbonate, 0.5% and 33% in volume of γ-butyrolactone and, 0.5% and 99% in volume of ethyl methyl carbonate, the sum of the respective volume percentages of propylene carbonate, γ-butyrolactone, and ethyl methyl carbonate in the mixture being equal to 100%. | 04-24-2014 |
| 20140127589 | POLYACRYLONITRILE-SULPHUR COMPOSITE MATERIAL - The invention relates to a method for preparing a polyacrylonitrile-sulfur composite material, in which, polyacrylonitrile is converted to cyclized polyacrylonitrile, and the cyclized polyacrylonitrile is reacted with sulfur to form a polyacrylonitrile-sulfur composite material. By a separation of the preparation method into two partial reactions, the reaction conditions are advantageously able to be optimized for the respective reactions and a cathode material is able to be provided for alkali-sulfur cells with improved electrochemical properties. In addition, the invention relates to a polyacrylonitrile-sulfur composite material, a cathode material, an alkali-sulfur cell or an alkali-sulfur battery as well as to an energy store. | 05-08-2014 |
| 20140154587 | NON-AQUEOUS ELECTROLYTE AND ELECTRICITY STORAGE DEVICE USING SAME - The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in a broad temperature range, such as low-temperature cycle properties and low-temperature discharge properties after high-temperature storage, and provides an energy storage device using the nonaqueous electrolytic solution. The invention includes (1) a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, which comprises from 0.001 to 10% by mass of a compound represented by the following general formula (I), and (2) an energy storage device comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution is the nonaqueous electrolytic solution of (1). | 06-05-2014 |
| 20140186723 | SYSTEMS AND METHODS FOR WIDE TEMPERATURE OPERATION FOR LITHIUM-ION BATTERY CELLS - The present disclosure relates generally to the field of batteries and battery modules. More specifically, the present disclosure relates to battery cells that may be used in vehicular contexts, as well as other energy storage/expending applications. An electrolyte solution includes at least one ester solvent and a plurality of additives. In particular, the plurality of additives includes a cyclic carbonate-based additive, a sultone-based additive, and either a borate-based additive or an imide-based additive. The presently disclosed electrolyte solutions enable the manufacture of battery cells having a wide operating temperature range (e.g., between approximately −30° C. and approximately 60° C.). | 07-03-2014 |
| 20140205914 | ELECTROLYTE FOR LITHIUM RECHARGEABLE BATTERY AND LITHIUM RECHARGEABLE BATTERY INCLUDING THE ELECTROLYTE - Disclosed are an electrolyte for a rechargeable lithium battery including an ionic liquid represented by Chemical Formula 1, a lithium salt, and an organic solvent, and a rechargeable lithium battery including the electrolyte for a rechargeable lithium battery. | 07-24-2014 |
| 20140205915 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are provided. The electrolyte includes a non-aqueous organic solvent, lithium salt, and an additive that is either a dicarboxylic acid anhydride and a halogenated ethylene carbonate or a diglycolic acid anhydride and a halogenated ethylene carbonate. | 07-24-2014 |
| 20140234728 | ELECTROLYTE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrolyte for a lithium secondary battery which includes a non-aqueous solvent and a lithium salt, wherein the non-aqueous solvent includes an anion receptor, a cyclic carbonate, and a linear solvent, wherein an amount of the cyclic carbonate is in a range of 1 wt % to 30 wt % based on a total weight of the non-aqueous solvent, and a lithium secondary battery including the same. | 08-21-2014 |
| 20140242472 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, comprising a sulfolane-based additive; and a lithium secondary battery using the same. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention comprises an ionizable lithium salt; an organic solvent; and a sulfolane compound of formula (I), the sulfolane compound being present in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the total weight of the lithium salt and the organic solvent. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention can exhibit superior storage characteristic and life cycle at a high temperature, with maintaining good output characteristic at a low temperature. | 08-28-2014 |
| 20140272606 | LITHIUM-ION SECONDARY BATTERY AND ELECTROLYTE THEREOF - The present disclosure provides a lithium-ion secondary battery and an electrolyte thereof. The electrolyte comprises a lithium salt, a non-aqueous solvent, and an additive at least containing 1,3-propyl sultone (PS) and a compound of isocyanurate structure represented by formula (1), formula (2) or formula (3); | 09-18-2014 |
| 20140287325 | NONAQUEOUS ELECTROLYTIC SOLUTION AND ENERGY STORAGE DEVICE USING SAME - A nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains at least one kind of an isocyanate compound having an ester structure represented by the following general formula (I): | 09-25-2014 |
| 20140295289 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a nonaqueous electrolyte battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode includes at least one oxide selected from the group consisting of a first oxide having a spinel structure and represented by Li | 10-02-2014 |
| 20140308588 | NEGATIVE-ELECTRODE STUFF AND NEGATIVE ELECTRODE FOR USE IN LITHIUM-ION SECONDARY BATTERY AS WELL AS LITHIUM-ION SECONDARY BATTERY - A negative-electrode stuff has negative-electrode active-material particles including: an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium. The negative-electrode active-material particles includes particles whose particle diameter is 1 μm or more in an amount of 85% by volume or more of them when the entirety is taken as 100% by volume, exhibit a BET specific surface area that is 6 m | 10-16-2014 |
| 20140342242 | ORGANIC ELECTROLYTE SOLUTION AND LITHIUM BATTERY COMPRISING THE SAME - An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound. | 11-20-2014 |
| 20140342243 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description. | 11-20-2014 |
| 20140377668 | NONAQUEOUS ELECTROLYTIC SOLUTION AND ENERGY STORAGE DEVICE USING SAME - A nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent and an energy storage device are provided, wherein the nonaqueous electrolytic solution contains at least one kind of a compound represented by the following general formula (I): | 12-25-2014 |
| 20150017552 | POLYVINYLPYRIDINE ADDITIVES FOR NONAQUEOUS ELECTROLYTES ACTIVATING LITHIUM RECHARGEABLE ELECTROCHEMICAL CELLS - An electrolyte comprising an organic solvent, a lithium salt, and a polymer additive comprised of repeating vinyl units joined to one or more heterocyclic amine moieties is described. The heterocyclic amine contains five to ten ring atoms, inclusive. An electrochemical cell is also disclosed. The preferred cell comprises a negative electrode which intercalates with lithium, a positive electrode comprising an electrode active material which intercalates with lithium, and the electrolyte of the present invention activating the negative and the positive electrodes. | 01-15-2015 |
| 20150024282 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - In an aspect, a lithium secondary battery including a compound as disclosed and described herein; and an electrolyte for a lithium secondary battery including a non-aqueous organic solvent and a lithium salt is provided. | 01-22-2015 |
| 20150024283 | NON-AQUEOUS ELECTROLYTE FOR SECONDARY BATTERIES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte for secondary batteries which is capable of maintaining excellent discharge characteristics even at low temperatures. The non-aqueous electrolyte for secondary batteries includes a non-aqueous solvent, and a lithium salt dissolved in the non-aqueous solvent. The non-aqueous solvent includes a cyclic carbonate, a chain carbonate, a fluoroarene, and a carboxylic acid ester. The cyclic carbonate includes ethylene carbonate. The non-aqueous solvent has a cyclic carbonate content M | 01-22-2015 |
| 20150050561 | HIGH VOLTAGE LITHIUM ION BATTERIES HAVING FLUORINATED ELECTROLYTES AND LITHIUM-BASED ADDITIVES - A lithium ion cell includes a cathode including a cathode active material having an operating voltage of 4.6 volts or greater; an anode including an anode material and a lithium additive including a lithium metal foil, lithium alloy, or an organolithium material; a separator; and an electrolyte. | 02-19-2015 |
| 20150050562 | NONAQUEOUS ELECTROLYTIC SOLUTION AND ENERGY STORAGE DEVICE USING SAME - The present invention is to provide a nonaqueous electrolytic solution prepared by dissolving an electrolyte salt in a nonaqueous solvent and an energy storage device, wherein the nonaqueous electrolytic solution includes LiPF | 02-19-2015 |
| 20150079482 | ELECTROLYTE FOR Li STORAGE BATTERY AND Li STORAGE BATTERY - The present invention provides an electrolyte for a Li storage battery comprising a compound that can improve safety of a storage battery without causing the degradation in performances thereof and a Li storage battery comprising the electrolyte. The electrolyte comprises at least 1,1-diphenylethane the Li storage battery comprises the electrolyte. Particularly preferably provided are an electrolyte for a Li storage battery comprising 1,1-diphenylethane, a cyclic carbonate (e.g., ethylene carbonate), a chain carbonate (e.g., dimethyl carbonate, diethyl carbonate, ethyl methyl or ethylmethyl carbonate) and a Li salt and a Li storage battery comprising such an electrolyte. | 03-19-2015 |
| 20150086876 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: | 03-26-2015 |
| 20150086877 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: | 03-26-2015 |
| 20150086878 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides non-aqueous electrolyte solution for a lithium secondary battery, comprising an ester-based compound having a branched-chain alkyl group and an ester-based compound having a straight-chain alkyl group; and a lithium secondary battery using the same. | 03-26-2015 |
| 20150086879 | ANODE AND METHOD OF MANUFACTURING THE SAME, AND BATTERY AND METHOD OF MANUFACTURING THE SAME - An anode in which an anode active material layer is arranged on an anode current collector. The anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An oxide-containing film including an oxide of at least one kind selected from the group consisting of silicon, germanium and tin is formed in a region in contact with an electrolytic solution of the surface of each anode active material particle by a liquid-phase method such as a liquid-phase deposition method. The region in contact with the electrolytic solution of the surface of each anode active material particle is covered with the oxide-containing film, to thereby improve the chemical stability of the anode and the charge-discharge efficiency. The thickness of the oxide-containing film is preferably within a range from 0.1 nm to 500 nm both inclusive. | 03-26-2015 |
| 20150086880 | LITHIUM SECONDARY BATTERY HAVING IMPROVED LIFESPAN CHARACTERISTICS - Disclosed is a lithium secondary battery having improved lifespan characteristics. More particularly, a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and anode, and an electrolyte, wherein the anode comprises lithium titanium oxide (LTO) as an anode active material, the electrolyte comprises a lithium salt; a non-aqueous-based solvent; and (a) a phosphate compound which can prevent gas generation during high-temperature storage, (b) a sulfonate compound which can reduce discharge resistance by forming a low-resistance SEI layer, or a mixture of the compound (a) and the compound (b), is disclosed. | 03-26-2015 |
| 20150099192 | NON-AQUEOUS LIQUID ELECTROLYTE FOR SECONDARY BATTERY AND NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY BATTERY - A non-aqueous liquid electrolyte for a secondary battery, containing, in an aprotic solvent: an electrolyte; a particular nitrile compound; and a flame retardant composed of a particular phosphate compound or a phosphazene compound, in which the nitrile compound is contained in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the flame retardant. | 04-09-2015 |
| 20150104716 | ELECTROLYTE SOLUTION FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY USING THE SAME - An electrolyte for a lithium secondary battery including a lithium salt, a non-aqueous organic solvent, and a pyrrolidine derivative represented by Formula 1, | 04-16-2015 |
| 20150140445 | METHOD FOR STABILIZING LIPF6, ELECTROLYTE SOLUTION FOR NONAQUEOUS SECONDARY BATTERIES HAVING EXCELLENT THERMAL STABILITY, AND NONAQUEOUS SECONDARY BATTERY HAVING EXCELLENT THERMAL STABILITY - [Problem] To provide: a method for stabilizing a solution that contains LiPF | 05-21-2015 |
| 20150140446 | Use Of Lithium Bis(Fluorosulfonyl) Imide (LIFSI) In Non-Aqueous Electrolyte Solutions For Use With 4.2v And Higher Cathode Materials For Lithium Ion Batteries - This invention relates to electrolytic solutions and secondary batteries containing same. The electrolytic solutions contain lithium bis (fluorosulfonyl) imide and asymmetric borates, asymmetric phosphates and mixtures thereof. | 05-21-2015 |
| 20150140447 | NON-AQUEOUS ELECTROLYTE AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - Disclosed is a non-aqueous electrolyte comprising: an acrylate compound; a sulfinyl group-containing compound; an organic solvent; and an electrolyte salt. Also, disclosed is an electrode comprising a coating layer formed partially or totally on a surface thereof, the coating layer comprising: (i) a reduced form of an acrylate compound; and (ii) a reduced form of a sulfinyl group-containing compound. Further, disclosed is an electrochemical device comprising a cathode, an anode and a non-aqueous electrolyte, wherein (i) the non-aqueous electrolyte is the aforementioned non-aqueous electrolyte; and/or (ii) the cathode and/or the anode is the aforementioned electrode. | 05-21-2015 |
| 20150140448 | NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY EMPLOYING THE SAME - Provided is a nonaqueous electrolyte solution battery with dramatically improved battery characteristics. A nonaqueous electrolyte solution battery prepared by using a nonaqueous electrolyte solution comprising (I) an aromatic carboxylic acid ester compound represented by General Formula (1) below; and (II) specific compounds, is improved in charge-discharge characteristics at high current densities, durability performance during high-temperature storage and overcharge characteristics. | 05-21-2015 |
| 20150147662 | ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a lithium battery, the electrolyte including a compound represented by Formula 1; a nonaqueous organic solvent; and a lithium salt. | 05-28-2015 |
| 20150294799 | ELECTRODE FOR ENERGY STORAGE DEVICE AND ENERGY STORAGE DEVICE USING THE SAME - Disclosed are an electrode for an energy storage device and an energy storage device using the same. The electrode for an energy storage device comprises a porous electrical conductive material and a plurality of Co—Mn composite oxide nanowires on the porous electrical conductive material. The energy storage device comprises an anode comprising the aforementioned electrode; a cathode; and an electrolyte between the anode and the cathode. | 10-15-2015 |
| 20150311563 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND ASSEMBLY THEREOF - Provided is a non-aqueous electrolyte secondary battery combining excellent input/output performance with great durability (cycle characteristics) and an assembly thereof. The present invention provides a non-aqueous electrolyte secondary battery assembly. The positive electrode has a maximum operating voltage of 4.3 V or higher relative to lithium metal, comprising a positive electrode active material and an ion-conductive inorganic phosphate compound. The non-aqueous electrolyte solution comprises a supporting salt, an oxalatoborate-type compound, and a non-aqueous solvent. The non-aqueous solvent is formed of a non-fluorinated solvent. This invention also provides a non-aqueous electrolyte secondary battery obtained by charging the non-aqueous electrolyte secondary battery assembly. | 10-29-2015 |
| 20150318573 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME - Provided are an electrolyte for a lithium secondary battery which is not oxidized/decomposed when allowed to stand at a high temperature under high voltage, so as to inhibit generation of gas to prevent expansion of the battery, thereby reducing a battery thickness increase rate, and simultaneously having an excellent storage property at a high temperature, and a lithium secondary battery including the same. | 11-05-2015 |
| 20150318578 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICAL STORAGE DEVICE EMPLOYING SAME - Provided are a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent including a cyclic carbonate and a linear carbonate under the following condition 1 or 2, and the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of vinylsulfonyl fluoride, and an energy storage device using the same. Condition 1: The linear carbonate includes both a symmetric linear carbonate and an asymmetric linear carbonate, and the proportion of the asymmetric linear carbonate occupying in the linear carbonate is from 51 to 95% by volume. Condition 2: The cyclic carbonate includes ethylene carbonate and propylene carbonate, and the linear carbonate includes a symmetric linear carbonate. The nonaqueous electrolytic solution of the present invention is capable of improving electrochemical characteristics in the case of using an energy storage device at a high voltage and further capable of not only improving a discharge capacity retention rate after a high-voltage cycle but also inhibiting gas generation. | 11-05-2015 |
| 20150333370 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY STORAGE DEVICE USING SAME - The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics at high temperatures and further capable of not only improving a capacity retention rate after a high-temperature cycle test but also decreasing a rate of increase of an electrode thickness, and also to provide an energy storage device using the same. A nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing from 0.001 to 5% by mass of a diisocyanate compound represented by OCN-L-NCO (in the formula, L represents an alkylene group having from 4 to 12 carbon atoms) and further containing from 0.001 to 5% by mass of at least one selected from a specified phosphoric acid ester compound, a specified cyclic sulfonic acid ester compound, a specified isocyanate compound having an ester structure, and a specified triple bond-containing compound, and an energy storage device using the same, are disclosed. | 11-19-2015 |
| 20150340740 | LITHIUM SECONDARY BATTERY OF IMPROVED RATE CAPABILITY WITH CATHODE CONTAINING NICKEL MANGANESE COMPLEX OXIDE FOR HIGH-VOLTAGE APPLICATIONS - Disclosed is a lithium secondary battery with improved rate characteristics. More particularly, disclosed is a lithium secondary battery including a cathode, an anode, a separator disposed between the cathode and the anode, and an electrolyte, wherein the electrolyte includes a mixed solvent of a cyclic carbonate-based material and a propionate-based material, the cathode includes a lithium manganese composite oxide represented by Formula 1 below as a cathode active material, and the anode includes a lithium metal oxide represented by Formula 2 below as an anode active material: | 11-26-2015 |
| 20150364793 | ELECTROCHEMICAL CELL FOR A LITHIUM-ION BATTERY INCLUDING A NEGATIVE ELECTRODE MADE OF SILICON AND A SPECIFIC ELECTROLYTE - The invention relates to an electrochemical cell for a lithium-ion battery comprising:
| 12-17-2015 |
| 20150364796 | LOW TEMPERATURE ELECTROLYTE FOR HIGH CAPACITY LITHIUM BASED BATTERIES - Electrolytes for lithium based batteries are described with good temperature tolerance over appropriate temperature ranges for uses in vehicles. In particular, the electrolytes are suitable for high voltage operation over 4.4V and can provide high rate performance. The electrolytes generally comprise a solvent that is a mixture of ethylene carbonate, dimethyl carbonate and ethylmethyl carbonate. Alternatively, a solvent combination of fluoroethylene carbonate and dimethyl carbonate was used. A primary lithium salt is includes at a concentration greater than about 1.05M. The electrolyte generally also comprises a lithium salt additive. The electrolytes can provide some battery capacity down to at least −40° C. while providing good performance also at elevated temperatures of 45° or more, and the corresponding batteries can be cycled to several thousand cycles. | 12-17-2015 |
| 20160006024 | NEGATIVE ELECTRODE MATERIAL FOR LITHIUM-BASED BATTERIES - A negative electrode material includes an active material. The active material includes a silicon core selected from the group consisting of Si, SiO | 01-07-2016 |
| 20160027592 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY STORAGE DEVICE USING SAME - The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in a broad temperature range and an energy storage device using the same. [1] A nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing, as an additive, an SO | 01-28-2016 |
| 20160028116 | NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided are a non-aqueous electrolyte including a non-aqueous organic solvent, a lithium salt, and a borate-based compound, and a lithium secondary battery using the same. According to the present invention, a lithium secondary battery having improved cycle characteristics and high-temperature storage stability may be prepared by including a non-aqueous electrolyte which includes at least one borate-based compound as an additive. | 01-28-2016 |
| 20160043436 | Lithium Titanate Cell - The embodiment relates to the field of electrolyte selection in lithium ion cells which may employ Li | 02-11-2016 |
| 20160043441 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery including a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a nonaqueous electrolyte containing a lithium salt in a nonaqueous solvent, and a separator disposed between the positive electrode and the negative electrode, an inorganic particle layer is disposed between the positive electrode and the separator, and the nonaqueous solvent contains a chain fluorinated carboxylate ester represented by the formula CH | 02-11-2016 |
| 20160049692 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery is provided with: a positive electrode; a negative electrode that contains lithium titanate; a separator that is interposed between the positive electrode and the negative electrode; and a nonaqueous electrolyte that contains an electrolyte salt and a nonaqueous solvent. The nonaqueous solvent contains propylene carbonate, a chain carbonate A represented by general formula R | 02-18-2016 |
| 20160064774 | ELECTROLYTE COMPOSITION AND A SODIUM ION BATTERY COMPRISING THE SAME - Disclosed is an electrolyte composition, suitable for sodium ion battery, comprising at least one sodium compound selected from the group consisting of sodium monofluorophosphate (Na | 03-03-2016 |
| 20160072150 | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Containing the Same - Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same. An embodiment of the present invention is directed to providing an electrolyte for a lithium secondary battery having excellent high-temperature and low-temperature characteristics while properly maintaining basic performance such as high rate charge and discharge characteristics, life cycle characteristics, and the like, and a lithium secondary battery containing the same. | 03-10-2016 |
| 20160079627 | Electrolyte for Lithium Secondary Battery and Lithium Secondary Battery Containing the Same - Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The lithium secondary battery using the electrolyte for a lithium secondary battery according to the present invention has excellent high-temperature stability, high-temperature capacity recovery rate, low-temperature discharge capacity, and life cycle characteristics. | 03-17-2016 |
| 20160087309 | Compound and Electrolyte of Lithium Secondary Battery Containing the Same - Provided are a novel compound, an electrolyte for a lithium secondary battery containing the same, and a lithium secondary battery containing the electrolyte for a lithium secondary battery according to the present invention. The electrolyte for a secondary battery according to the present invention may have significantly excellent high-temperature stability, low-temperature discharge capacity, and life cycle characteristics. | 03-24-2016 |
| 20160111753 | Additive of Electrolytic Solution for Lithium Secondary Battery, Electrolytic Solution for Lithium Secondary Battery Using the Same and Lithium Secondary Battery - In the present invention, a compound represented by Formula (1) is used as an additive of electrolytic solution for a lithium secondary battery, | 04-21-2016 |
| 20160118690 | FLUORINATED CARBONATES AS SOLVENT FOR LITHIUM SULFONIMIDE-BASED ELECTROLYTES - The present invention relates to an electrolyte solution comprising an electrolyte salt and an electrolyte solvent, wherein the electrolyte solvent comprises a fluorinated acyclic dialkyl carbonate, preferably an n-fluoro diethyl carbonate according to formula (1) as follows: C | 04-28-2016 |
| 20160126593 | NONAQUEOUS ELECTROLYTE SOLUTION, ELECTRICITY STORAGE DEVICE USING SAME, AND BIPHENYL GROUP-CONTAINING CARBONATE COMPOUND USED IN SAME - Provided are (1) a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a biphenyl group-containing carbonate compound represented by the following general formula (I), (2) an energy storage device using the same, and (3) a biphenyl group-containing carbonate compound used for the same. This nonaqueous electrolytic solution is capable of improving electrochemical characteristics in a broad temperature range, especially at high temperatures, and further reducing a rate of increase in electrode thickness after high-temperature cycles. | 05-05-2016 |
| 20160141717 | ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY INCLUDING THE ELECTROLYTE - An electrolyte for a lithium battery includes an organic solvent; and a compound represented by Formula 1: | 05-19-2016 |
| 20160141720 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES, AND LITHIUM ION SECONDARY BATTERY - To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries. | 05-19-2016 |
| 20160164140 | NON-AQUEOUS ELECTROLYTIC SOLUTION KIT AND METHOD OF PREPARING NON-AQUEOUS ELECTROLYTIC SOLUTION - Provided is a non-aqueous electrolytic solution kit having plural non-aqueous electrolytic solutions having different compositions, and vessels containing: a base non-aqueous electrolytic solution in which an electrolyte salt is dissolved in at least a non-aqueous solvent selected from cyclic carbonate, chain ester, and a mixture of cyclic carbonate and chain ester; and a non-aqueous electrolytic solution for adjustment having a different composition from the composition of the base non-aqueous electrolytic solution, in which at least one of the vessels is constituted so as to be capable of weighing the inner capacity. | 06-09-2016 |
| 20160164141 | ACRYLONITRILE DERIVATIVES AS ADDITIVE FOR ELECTROLYTES IN LITHIUM ION BATTERIES - An electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (NC)(A | 06-09-2016 |
| 20160172711 | ELECTROLYTE AND LITHIUM BASED BATTERIES | 06-16-2016 |
| 20160181672 | NONAQUEOUS ELECTROLYTIC SOLUTION FOR ENERGY STORAGE DEVICE | 06-23-2016 |
| 20160190646 | LITHIUM SECONDARY BATTERY - A lithium secondary battery including: a cathode including a high-voltage cathode active material; an anode; and an electrolyte disposed between the cathode and the anode, wherein the high-voltage cathode active material has a charge cut-off voltage of about 4.2 Volts or greater with respect to a lithium (Li) counter electrode, and wherein the electrolyte includes an organic fluorinated ether compound represented by Formula 1, an organic solvent, and a lithium salt: | 06-30-2016 |
| 20160190647 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: | 06-30-2016 |
| 20160190648 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: | 06-30-2016 |
| 20160190649 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: an organic ester compound represented by Formula 1; an organic solvent; and a lithium salt: | 06-30-2016 |
| 20160190650 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: | 06-30-2016 |
| 20160204424 | POSITIVE ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY | 07-14-2016 |
| 20160254568 | ACRYLONITRILE DERIVATIVES AS ADDITIVE FOR ELECTROLYTES IN LITHIUM ION BATTERIES | 09-01-2016 |
| 20190148773 | Non-aqueous Electrolyte Solution For Lithium Secondary Battery And Lithium Secondary Battery Including The Same | 05-16-2019 |
| 20190148774 | ELECTROLYTES WITH VINYL CARBONATE AND BUTYRATE SOLVENTS | 05-16-2019 |
| 20190148776 | LITHIUM BATTERY | 05-16-2019 |
| 20220140394 | ELECTROLYTES AND SEPARATORS FOR LITHIUM METAL BATTERIES - The present disclosure relates to electrolyte systems and/or separators for electrochemical cells that cycle lithium ions and which may have lithium metal electrodes. The electrochemical cell includes a liquid electrolyte system that fills voids and pores within the electrochemical cell. The electrolyte system includes two or more lithium salts and two or more solvents. The two or more lithium salts include bis(fluorosulfonyl)imide (LiN(FSO | 05-05-2022 |
