Patent application number | Description | Published |
20080241704 | Nonaqueous Electrolyte Solution and Lithium Secondary Battery Using Same - The present invention provides a lithium secondary battery having excellent battery characteristics such as battery cycling property, electrical capacity and storage property. | 10-02-2008 |
20080248399 | Nonaqueous Electrolytic Solution for Lithium Secondary Battery - Disclosed is a nonaqueous electrolytic solution useful for producing a lithium secondary battery having excellent cycle characteristics. Specifically disclosed is a nonaqueous electrolytic solution for lithium secondary batteries obtained by dissolving an electrolyte salt in a nonaqueous solvent which is characterized by containing 0.1 to 10 wt. % of a tert-alkylbenzene compound and also containing 0.001-0.5 wt. % of a benzene compound, wherein a hydrocarbon group having 1-4 carbon atoms is bonded to a benzene ring via the tertiary carbon atom, relative to the tert-alkylbenzene compound. | 10-09-2008 |
20080254367 | 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). | 10-16-2008 |
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 |
20090170006 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - The present invention provides a nonaqueous electrolytic solution in which an electrolyte salt is dissolved in a nonaqueous solvent, containing 0.01% to 30% by weight of a 1,2-cyclohexanediol derivative having a specific structure; and a lithium secondary battery using the nonaqueous electrolytic solution. The lithium secondary battery exhibits excellent battery characteristics such as electrical capacity, cycle property, and storage property and can maintain excellent long-term battery performance. | 07-02-2009 |
20090280404 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - The present invention provides a nonaqueous electrolytic solution exhibiting excellent electrical capacity, long-term cycle property, and storage property in a charged state; and a lithium secondary battery using the nonaqueous electrolytic solution. | 11-12-2009 |
20100079110 | NON-AQUEOUS ELECTROLYTIC SOLUTION AND LITHIUM SECONDARY BATTERY - A non-aqueous electrolytic solution favorably employable for a lithium secondary battery employs a non-aqueous electrolytic solution which comprises a non-aqueous solvent and an electrolyte which further contains 0.001 to 0.8 weight % of a biphenyl derivative having the formula: | 04-01-2010 |
20100092872 | NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - The present invention provides (1) a sulfone compounds having a propargyl group, (2) a nonaqueous electrolytic solution for lithium secondary batteries, which comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a sulfone compound having a specific structure that has an SO | 04-15-2010 |
20100119955 | ESTER COMPOUND, AND NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY EACH USING THE ESTER COMPOUND - The present invention includes (1) an ester compound having a specific structure, (2) a nonaqueous electrolytic solution for lithium secondary battery comprising an electrolyte dissolved in a nonaqueous solvent and containing an ester compound having a specific structure in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution, which is excellent in initial battery capacity and cycle property, and (3) a lithium secondary battery 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 contains an ester compound having a specific structure in an amount of from 0.01 to 10% by weight of the nonaqueous electrolytic solution. | 05-13-2010 |
20100239919 | 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 time, and a lithium secondary battery using the nonaqueous electrolytic solution. | 09-23-2010 |
20100291437 | PHENYL SULFONATE COMPOUND, NONAQUEOUS ELECTROLYTE SOLUTION USING THE SAME, AND LITHIUM BATTERY - Provided are (1) a novel phenyl sulfonate compound, (2) a nonaqueous electrolytic solution comprising an electrolyte salt dissolved in a nonaqueous solvent and containing a phenyl sulfonate compound of the following general formula (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and (3) a lithium battery containing the nonaqueous electrolytic solution and excellent in low-temperature cycle property. | 11-18-2010 |
20110045361 | NONAQUEOUS ELECTROLYTE FOR LITHIUM BATTERY AND LITHIUM BATTERY USING SAME - A nonaqueous electrolytic solution for lithium battery comprises an electrolyte salt dissolved in a nonaqueous solvent and contains a carboxylate compound represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution. | 02-24-2011 |
20110064998 | NON-AQUEOUS ELECTROLYTE FOR A LITHIUM BATTERY, LITHIUM BATTERY WHEREIN SAID ELECTROLYTE IS USED, AND HYDROXY-ACID DERIVATIVE FOR USE IN SAID ELECTROLYTE - Disclosed are (1) a nonaqueous electrolytic solution for lithium battery comprising an electrolyte dissolved in a nonaqueous solvent, which contains at least one hydroxy acid derivative compound represented by the formulae (I) and (II) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and which can improve the low-temperature and high-temperature cycle property thereof (wherein R | 03-17-2011 |
20110152559 | METHOD FOR PRODUCING ASYMMETRIC CHAIN CARBONATE - An asymmetric chain carbonate can be produced in a single-step reaction comprising a step of reacting methyl nitrite, carbon monoxide, and 0.05-1.5 moles of an aliphatic alcohol having 2-6 carbon atoms or an alicyclic alcohol having 5-6 carbon atoms per one mole of methyl nitrile in a gaseous phase in the presence of a solid catalyst comprising a platinum group metal or a compound thereof placed on a support. | 06-23-2011 |
20110183199 | NONAQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM BATTERY, LITHIUM BATTERY USING SAME, AND FORMYLOXY GROUP-CONTAINING COMPOUND USED THEREIN - Disclosed are a nonaqueous electrolytic solution for lithium secondary battery comprising an electrolyte dissolved in a nonaqueous solvent and containing at least one compound represented by the formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; a lithium battery containing the electrolytic solution and excellent in low-temperature and high-temperature cycle property; and a formyloxy group-containing compound having a specific structure which is used in lithium batteries, etc. | 07-28-2011 |
20110230694 | METHOD FOR PRODUCING AROMATIC COMPOUND - The present invention is a method for producing an aromatic compound by substituting the sulfonic acid group in a sulfonic acid aromatic-ester with a hydrogen atom in the presence of a platinum group metal catalyst, wherein an alkali metal carboxylate and/or an ammonium formate are made to coexist in the system. According to the present invention, an aromatic compound where the sulfonic acid group in a sulfonic acid aromatic-ester is substituted with a hydrogen atom, can be produced efficiently with good operability without using metal magnesium. | 09-22-2011 |
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 |
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 |
20120021300 | NONAQUEOUS ELECTROLYTE AND LITHIUM CELL USING THE SAME - A nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, containing a hydantoin compound represented by the following general formula (I) in an amount of from 0.01 to 5% by mass of the nonaqueous electrolytic solution, and excellent in battery characteristics such as high-temperature storage property and cycle property. | 01-26-2012 |
20120171581 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME - Disclosed are a nonaqueous electrolytic solution of an electrolyte dissolved in a nonaqueous solvent, which contains a carboxylate represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; and an electrochemical element using it. | 07-05-2012 |
20120183846 | LITHIUM SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTIC SOLUTION FOR USE IN THE LITHIUM SECONDARY BATTERY - Disclosed are: a lithium secondary battery which comprises a positive electrode containing, as a positive electrode active material, a lithium-containing metal oxide that contains at least one metal element selected from nickel, manganese and iron, a negative electrode containing, as a negative electrode active material, a carbon material capable of absorbing and releasing lithium, and a non-aqueous electrolytic solution comprising a non-aqueous solvent and an electrolyte salt dissolved in the non-aqueous solvent, wherein the lithium secondary battery is characterized in that the non-aqueous electrolytic solution contains 0.1 to 5 mass % of 1,2,3,4-tetrahydronaphthalene and 0.1 to 5 mass % of a biphenyl derivative and/or an alkyl phenol derivative; and a non-aqueous electrolytic solution for use in the lithium secondary battery. The lithium secondary battery can have an excellent post-low-temperature-cycle recovery rate even after the battery is exposed to a high-temperature environment. | 07-19-2012 |
20120183864 | NON-AQUEOUS ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING THE SAME - A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %. | 07-19-2012 |
20120189919 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME - Disclosed are a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, which contains a sulfonate compound having a specific structure in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution, and an electrochemical device containing the nonaqueous electrolytic solution. The nonaqueous electrolytic solution is excellent in the effect of improving the storage property of primary batteries and improving the cycle property of secondary batteries in use thereof at high temperatures and the low-temperature property thereof after high-temperature cycles. | 07-26-2012 |
20130052541 | NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY USING SAME - A nonaqueous electrolytic solution that provides a lithium secondary battery with excellent electrical capacity, cycling properties, storage properties and other battery characteristics and that maintains the battery characteristics for a long time; and a lithium secondary battery comprising it. A nonaqueous electrolytic solution comprising an electrolytic salt dissolved in a nonaqueous solvent, containing 0.1 to 10% by weight of an ethylene carbonate derivative represented by the general formula (I), and 0.01 to 10% by weight of (A) a triple bond-containing compound and/or (B) a pentafluorophenyloxy compound represented by the general formula (X), wherein formula (I) is: | 02-28-2013 |
20130071733 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME - The present invention provides a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range, an electrochemical element produced by using the same and a sulfonic ester compound having a branched structure which is used for the same. | 03-21-2013 |
20130115520 | NON-AQUEOUS ELECTROLYTIC SOLUTION, AND ELECTROCHEMICAL ELEMENT UTILIZING SAME - The present invention relates to a nonaqueous electrolytic solution which can improve the electrochemical characteristics in a broad temperature range and an electrochemical element produced by using the same. | 05-09-2013 |
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 |
20140030610 | NON-AQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY-STORAGE DEVICE USING SAME - The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics at high temperatures, which comprises at least one organic phosphorus compound represented by the following general formula (I), an energy storage device using the nonaqueous electrolytic solution, and a specific organic phosphorus compound. | 01-30-2014 |
20140038060 | NONAQUEOUS ELECTROLYTE SOLUTION, ELECTRICITY STORAGE DEVICE USING SAME, AND TRIFLUOROMETHYLBENZENE COMPOUND - The present invention is to provide a nonaqueous electrolytic solution capable of enhancing electrochemical characteristics in a broad temperature range, an energy storage device using the nonaqueous electrolytic solution, and a specific trifluoromethylbenzene compound. There are provided a nonaqueous electrolytic solution of an electrolyte salt dissolved in a nonaqueous solvent, which comprises at least one halogenoalkylbenzene compound represented by the following general formula (I), an energy storage device using the nonaqueous electrolytic solution, and a specific trifluoromethylbenzene compound. | 02-06-2014 |
20140093787 | NON-AQUEOUS ELECTROLYTIC SOLUTION, ELECTRICAL STORAGE DEVICE UTILIZING SAME, AND CYCLIC SULFONIC ACID ESTER COMPOUND - An object of the present invention is to provide a nonaqueous electrolytic solution capable of improving electrochemical characteristics in a broad temperature range, an energy storage device using it. | 04-03-2014 |
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 |
20140212770 | NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTROCHEMICAL ELEMENT USING SAME - Disclosed are a non-aqueous electrolytic solution that exhibits excellent electrochemical characteristics over a wide temperature range, and an electrochemical device using the non-aqueous electrolytic solution. The non-aqueous electrolytic solution includes a non-aqueous solvent and an electrolyte salt dissolved in the non-aqueous solvent, wherein the non-aqueous electrolytic solution further comprises one compound represented by general formula (I): | 07-31-2014 |
20140234727 | NON-AQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY-STORAGE DEVICE USING SAME - A nonaqueous electrolytic solution that is capable of improving the electrochemical characteristics in a broad temperature range, and an energy storage device using the same are provided, and the nonaqueous electrolytic solution contains a nonaqueous solvent having dissolved therein an electrolyte salt, in which the nonaqueous solvent contains two or more kinds of cyclic carbonates selected from ethylene carbonate, propylene carbonate, 1,2-butylene carbonate, 2,3-butylene carbonate, 4-fluoro-1,3-dioxolan-2-one, trans- or cis-4,5-difluoro-1,3-dioxolan-2-one, vinylene carbonate, vinyl ethylene carbonate and 4-ethynyl-1,3-dioxolan-2-one, and the nonaqueous electrolytic solution further contains a cyclic acid anhydride represented by the following general formula (I) having bonded thereto a side chain that has 3 or more carbon atoms and has a double bond or a triple bond at an end thereof in an amount of from 0.01 to 10% by mass: | 08-21-2014 |