Patent application number | Description | Published |
20080286648 | ELECTROLYTIC SOLUTION AND BATTERY - A battery capable of securing the cycle characteristics and the storage characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The electrolytic solution contains a solvent, an electrolyte salt, and a sulfone compound having a given structure (sulfonic acid, carboxylic acid anhydride not having an aromatic ring). Compared to a case that an electrolytic solution does not contain the foregoing sulfone compound, the decomposition reaction of the electrolytic solution is prevented. | 11-20-2008 |
20080292970 | ELECTROLYTIC SOLUTION AND BATTERY - A battery capable of improving cycle characteristics is provided. A separator arranged between a cathode and an anode is impregnated with an electrolytic solution. The electrolytic solution includes: a solvent; and an electrolytic salt, in which the solvent includes a compound having a difluoroalkene structure. The content of the compound having a difluoroalkene structure in the solvent is within a range from 1 wt % to 5 wt % both inclusive. | 11-27-2008 |
20080292971 | ELECTROLYTIC SOLUTION AND BATTERY - A battery capable of improving high-temperature characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with the electrolytic solution. A solvent of the electrolytic solution includes a main solvent such as a cyclic carbonate which includes halogen and a sub solvent such as carbonate dimer. | 11-27-2008 |
20080311472 | ANODE AND METHOD OF MANUFACTURING THE SAME, AND BATTERY AND METHOD OF MANUFACTURING THE SAME - A battery capable of improving cycle characteristics is provided. An anode includes: an anode current collector; an anode active material arranged on the anode current collector; and a coating arranged on the anode active material layer, in which the coating includes at least one of a metal salt represented by Chemical Formula 1 and a metal salt of oxocarbonic acid. | 12-18-2008 |
20090017374 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 01-15-2009 |
20090029252 | ANODE, BATTERY, AND METHODS OF MANUFACTURING THEM - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has a coat on an anode active material layer provided on an anode current collector. The anode active material layer contains an anode material that is capable of inserting and extracting an electrode reactant and has at least one of a metal element and a metalloid element. The coat contains a metal salt having sulfur and oxygen. | 01-29-2009 |
20090053612 | ELECTROLYTIC SOLUTIONS AND BATTERY - A battery capable of improving battery characteristics is provided. The battery includes a cathode, an anode and an electrolytic solution, and a separator arranged between the cathode and the anode is impregnated with the electrolytic solution. The solvent of the electrolytic solution includes a sulfone compound having a sulfonyl fluoride type structure in which a sulfonyl group and a fluorine group are bonded together, and at least one kind selected from the group consisting of a chain carbonate which includes a halogen and a cyclic carbonate which includes a halogen. | 02-26-2009 |
20090061325 | ANODE, METHOD OF MANUFACTURING SAME, SECONDARY BATTERY, AND METHOD OF MANUFACTURING SAME - A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode current collector, an anode active material layer that is provided on the anode current collector, and contains an anode active material containing at least one of a simple substance of silicon, an alloy of silicon, a compound of silicon, a simple substance of tin, an alloy of tin, and a compound of tin, and a coat that is provided on the anode active material layer, and contains an ionic polymer containing lithium. | 03-05-2009 |
20090111020 | ANODE AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY - An anode and a secondary battery capable of improving the charge and discharge efficiency are provided. The anode includes an anode current collector, and an anode active material layer provided on the anode current collector. The anode active material layer has a plurality of anode active material particles containing at least one of a simple substance of silicon, a compound of silicon, a simple substance of tin and a compound of tin, and has a coat containing an oxo acid salt in at least part of the surface of the anode active material particles. | 04-30-2009 |
20090123839 | POSITIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM-ION SECONDARY BATTERY - A positive electrode for a lithium-ion secondary battery includes a positive-electrode mixture layer, which includes a positive-electrode active material containing lithium composite oxide, a conductive material, and a binder, and a current collector. The positive-electrode mixture layer contains a compound including sulfur and/or phosphorous, a first polymer serving as a main binder, and a second polymer different from the first polymer. | 05-14-2009 |
20090123851 | POSITIVE-ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY, POSITIVE ELECTRODE, MANUFACTURING METHOD THEREOF, AND LITHIUM-ION SECONDARY BATTERY - A positive-electrode active material for a lithium-ion secondary battery has an average composition expressed by the following formula (1): | 05-14-2009 |
20090136855 | ANODE, BATTERY, AND METHODS OF MANUFACTURING THEM - A battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material layer provided on an anode current collector. The coat contains a metal salt. The metal salt has a hydroxyl group and at least one of a sulfonic acid group and a carboxylic acid group. Thereby, lithium ions are easily inserted in the anode and extracted from the anode, and decomposition of the electrolytic solution is prevented. | 05-28-2009 |
20090169985 | ELECTROLYTIC SOLUTION, SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME, AND SULFONE COMPOUND - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode and an anode oppositely arranged with a separator in between, and an electrolytic solution. At least one of the cathode, the anode, the separator, and the electrolytic solution contains a sulfone compound having an acid anhydride group and a sulfonyl group. | 07-02-2009 |
20090202905 | CATHODE ACTIVE MATERIAL, CATHODE THEREWITH AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). | 08-13-2009 |
20090233179 | ELECTROLYTIC SOLUTION AND SECONDARY BATTERY - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains a solvent contains a sulfone compound having a structure in which —S(═O) | 09-17-2009 |
20090233180 | SECONDARY BATTERY - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains an anode active material containing a material that is capable of inserting and extracting an electrode reactant and has at least one of metal elements and metalloid elements. Further, the electrolytic solution contains a solvent containing a sulfone compound having a structure in which —S(═O) | 09-17-2009 |
20090263726 | ANODE AND METHOD OF MANUFACTURING SAME, SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME, AND SULFONE COMPOUND - A secondary battery capable of improving the cycle characteristics is provided. The secondary battery includes a cathode and an anode oppositely arranged with a separator in between, and an electrolytic solution. At least one of the cathode, the anode, the separator, and the electrolytic solution contains a sulfone compound having a carbonate group and a sulfonyl group. | 10-22-2009 |
20100035161 | BATTERY AND ELECTRODE - An electrode includes: an electrode collector and an electrode active material layer, wherein a film containing a salt represented by the following formula (I) is provided on the electrode active material layer: | 02-11-2010 |
20100075233 | BATTERY AND ELECTRODE - A positive electrode includes: a salt represented by the following formula (1) on the surface of an active material contained in a positive electrode active material layer provided on a positive electrode collector, or at least on the surface of the positive electrode active material layer | 03-25-2010 |
20100178569 | ELECTROLYTE AND SECONDARY BATTERY - An electrolyte includes a solvent and an electrolyte salt. The solvent contains at least one selected from ester compounds, lithium monofluorophosphate, and lithium difluorophosphate, and at least one selected from anhydrous compounds. The ester compounds are chain compounds having ester moieties, such as (—O—C(═O)—O—R), at both ends. The anhydrous compounds are cyclic compounds having, for example, a disulfonic anhydride group, (—S(O═) | 07-15-2010 |
20100190065 | ELECTROLYTE AND SECONDARY BATTERY - An electrolyte contains a solvent and an electrolyte salt. The solvent contains an organic acid and a sulfone compound in combination. The organic acid has a moiety containing an electron-withdrawing group such as a carbonyl group (—C(═O)—) or a sulfonyl group (—S(═O) | 07-29-2010 |
20100196756 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein the positive electrode contains a positive electrode active material having an olivine structure, and the nonaqueous electrolyte contains at least one member of sulfone compounds represented by the following formulae (1) and (2). | 08-05-2010 |
20100196764 | ELECTROLYTE AND SECONDARY BATTERY - A secondary battery capable of achieving superior cycle characteristics, superior storage characteristics, and superior swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte containing a solvent and an electrolyte salt. The solvent contains halogenated cyclic ester carbonate. The halogenated cyclic ester carbonate is a cyclic compound that has one or more fluorine groups, one or more fluorinated alkyl groups, and a carbonyl group. | 08-05-2010 |
20100216017 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 08-26-2010 |
20100221604 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: | 09-02-2010 |
20100316908 | BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; a nonaqueous electrolyte containing an electrolyte salt; and a separator, wherein in the electrolyte salt, a molar fraction x of at least one member selected among electrolyte salts represented by the following formulae (1) and (2) occupying in the whole electrolyte salt satisfies a relationship of (0.512-16-2010 | |
20110014518 | SECONDARY BATTERY, ANODE, CATHODE, AND ELECTROLYTE - A secondary battery, a cathode, an anode, and an electrolyte are provided. For example, a secondary battery is provided including an anode; a cathode; and an electrolyte, wherein the anode includes an anode active material and a coat including a substance selected from the group consisting of metal barium and barium compounds. | 01-20-2011 |
20110027647 | ANODE, BATTERY, AND METHODS OF MANUFACTURING THEM - A battery including an electrolytic solution. The electrolytic solution including a compound having a sulfonyl group and at least one peak of ions is selected from the group consisting of Li | 02-03-2011 |
20110059357 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes: a positive electrode containing a positive electrode active material composed of a lithium complex oxide; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent, an electrolyte salt and at least one additive selected from the group consisting of a sulfone compound (1) represented by the following general formula (1) and a sulfone compound (2) represented by the following general formula (2) | 03-10-2011 |
20110214895 | LITHIUM SECONDARY BATTERY, ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A lithium secondary battery capable of obtaining superior cycle characteristics, superior storage characteristics, and superior load characteristics is provided. The lithium secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains a nonaqueous solvent, a lithium ion, at least one of nitrogen-containing organic anion having a Lewis acidic ligand, and at least one of inorganic anion having fluorine and an element of Group 13 to Group 15 in the long period periodic table as an element. | 09-08-2011 |
20110229769 | LITHIUM SECONDARY BATTERY, ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A lithium secondary battery capable of obtaining superior cycle characteristics, superior storage characteristics and superior load characteristics is provided. The lithium secondary battery includes a cathode, an anode and an electrolytic solution. The electrolytic solution contains a nonaqueous solvent, a lithium ion, a nitrogen-containing organic anion having an imidazole skeleton, and an inorganic anion having fluorine and an element of Group 13 to Group 15 in the long period periodic table as an element. | 09-22-2011 |
20110250509 | SECONDARY BATTERY AND ELECTRONIC DEVICE - A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode | 10-13-2011 |
20110274987 | SECONDARY BATTERY, ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY, CYCLIC POLYESTER, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery capable of improving the cycle characteristics and the storage characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution containing a nonaqueous solvent and an electrolyte salt. The nonaqueous solvent contains cyclic polyester obtained by dehydrating and condensing two or more divalent carboxylic acid and one or more divalent alcohol. | 11-10-2011 |
20120009486 | ELECTROLYTE AND SECONDARY BATTERY - A secondary battery capable of improving cycle characteristics is provided. The secondary battery includes a cathode | 01-12-2012 |
20120058401 | ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY, SECONDARY BATTERY, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains chlorine ions together with a nonaqueous solvent and an electrolyte salt. The nonaqueous solvent contains sulfonic acid anhydrides (disulfonic acid anhydride or sulfonic acid carboxylic acid anhydride). A content of the chlorine ions is 5000 wt ppm or less. | 03-08-2012 |
20120164533 | LITHIUM ION SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, ELECTRIC TOOL, ELECTRIC VEHICLE, AND POWER STORAGE SYSTEM - A lithium ion secondary battery including a positive electrode; a negative electrode; and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by following formula (1) as a positive electrode active material, and wherein the second lithium composite oxide has a charge capacity greater than the first lithium composite oxide | 06-28-2012 |
20120208093 | ELECTROLYTIC SOLUTION AND BATTERY - A secondary battery capable of improving high-temperature characteristics is provided. The secondary battery includes a cathode, an anode and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with the electrolytic solution. A solvent of the electrolytic solution includes a main solvent such as a cyclic carbonate which includes halogen and a sub solvent such as carbonate dimer. | 08-16-2012 |
20120225350 | CATHODE ACTIVE MATERIAL, ITS MANUFACTURING METHOD, CATHODE, ITS MANUFACTURING METHOD, AND SECONDARY BATTERY - A secondary battery having a cathode, an anode, and an electrolyte is provided. The cathode includes a cathode active material containing at least one kind selected from the group consisting of sulfur S and phosphorus P in a portion near the particle surface of a lithium composite oxide. A content of the kind in the portion is larger than that in the particle of the lithium composite oxide. | 09-06-2012 |
20120231335 | CATHODE ACTIVE MATERIAL, CATHODE THEREWITH AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). | 09-13-2012 |
20120244410 | SECONDARY BATTERY, ELECTRONIC DEVICE, ELECTRIC POWER TOOL, ELECTRICAL VEHICLE, AND ELECTRIC POWER STORAGE SYSTEM - A secondary battery capable of suppressing resistance rise even after repeated charge and discharge is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode contains titanium-containing lithium composite as an anode active material, and the electrolytic solution contains cyclic disulfonic acid anhydride. | 09-27-2012 |
20130052543 | SECONDARY BATTERY, ELECTROLYTIC SOLUTION, BATTERY PACK, ELECTRONIC DEVICE, AND ELECTRICAL VEHICLE - A secondary battery capable of improving cycle characteristics, conservation characteristics, and load characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with an electrolytic solution. The electrolytic solution includes one or more of a dicarbonic ester compound, a dicarboxylic compound, a disulfonic compound, a monofluoro lithium phosphate, and difluoro lithium phosphate and one or more of fluorinated lithium phosphate, fluorinated lithium borate, and imide lithium. | 02-28-2013 |
20130059178 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ENERGY STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC UNIT - A secondary battery includes: a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, in which the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1): | 03-07-2013 |
20130059194 | ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC DEVICE - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The electrolytic solution includes an unsaturated six-membered ring ester carbonate represented by Formula (1) described below, or an unsaturated six-membered ring ester carbonate represented by Formula (2) described below, or both, | 03-07-2013 |
20130089778 | ELECTROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC DEVICE - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The electrolytic solution includes a cyano cyclic ester carbonate represented by Formula (1) described below and one or more of compounds represented by Formula (2) to Formula (6) described below. | 04-11-2013 |
20130089779 | ELECTROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC DEVICE - A secondary battery includes: a cathode; an anode; and an electrolytic solution, wherein the electrolytic solution includes a cyano cyclic ester carbonate represented by Formula (1) described below, | 04-11-2013 |
20130164608 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes a material including Si, Sn, or both as constituent elements. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1), | 06-27-2013 |
20130164630 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and a gel electrolyte. The gel electrolyte includes an electrolytic solution and a polymer compound. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1), | 06-27-2013 |
20130177799 | ELECTROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The electrolytic solution includes an unsaturated cyclic ester carbonate and one or more selected from a group configured of aromatic compounds, dinitrile compounds, sulfinyl compounds, and lithium salts. | 07-11-2013 |
20130224563 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes a carbon material and styrene-butadiene rubber. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1). | 08-29-2013 |
20130224577 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes an anode active material layer on an anode current collector. The anode active material layer includes a carbon material. The anode active material layer has a thickness from about 30 micrometers to about 100 micrometers both inclusive. The electrolytic solution includes an unsaturated cyclic ester carbonate represented by the following Formula (1). | 08-29-2013 |
20130224607 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ENERGY STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC UNIT - A secondary battery includes: a cathode; an anode; and an electrolytic solution, in which an open-circuit voltage under a fully-charged state per pair of the cathode and the anode is about 4.3 V or over, and the electrolytic solution includes an unsaturated cyclic ester carbonate represented by an expression (1): | 08-29-2013 |
20130273406 | SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode and an anode that are opposed to each other with a separator in between; and an electrolytic solution. The cathode includes a cathode active material layer on a cathode current collector. The anode includes an anode active material layer on an anode current collector. A heat-resistant layer is provided at least in a region in which the cathode active material layer and the anode active material layer are opposed to each other between the cathode and the anode. The heat-resistant layer includes a material having a higher melting point or higher decomposition temperature than a melting point or decomposition temperature of the separator. The electrolytic solution includes an unsaturated cyclic ester carbonate. | 10-17-2013 |
20130330582 | ELECTROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and an electrolytic solution including a cyano compound, the cyano compound including a compound represented by R1-O—C(═O)—O—R2 (R1, R2, or both include a cyano-group-containing group), a compound represented by R3-C(═O)—O—R4 (R4 includes the cyano-group-containing group), or both. | 12-12-2013 |
20140004413 | ELECROLYTIC SOLUTION, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS | 01-02-2014 |
20140162142 | ELECTROLYTIC SOLUTION AND BATTERY - An electrolytic solution including a solvent including 4,5-difluoro-1,3-dioxolane-2-one. The content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 wt % to 50 wt % In the case where 4,5-difluoro-1,3-dioxolane-2-one is mixed and used with 4-fluoro-1,3-dioxolane-2-one, the content of 4,5-difluoro-1,3-dioxolane-2-one is preferably within a range from 5 vol ppm to 2000 vol ppm. | 06-12-2014 |
20150037620 | ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS - A secondary battery includes: a cathode; an anode; and a non-aqueous electrolytic solution, wherein the cathode includes a second lithium-containing compound having an olivine-type crystal structure, a photoelectron spectrum of oxygen 1s obtained by surface analysis of the cathode with the use of X-ray photoelectron spectroscopy includes a third peak and a fourth peak, the third peak having an apex in a range in which binding energy is equal to or larger than 530 electron volts and less than 533 electron volts, and the fourth peak having an apex in a range in which binding energy is from 533 electron volts to 536 electron volts both inclusive and having spectrum intensity smaller than spectrum intensity of the third peak, and a ratio IE/ID between a spectrum intensity ID of the third peak and a spectrum intensity IE of the fourth peak is larger than ¼. | 02-05-2015 |
20150056501 | ELECTRLYTIC SOLUTION MATERIAL, ELECTRLYTIC SOLUTION, AND SECONDARY BATTERY - A secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution contains an electrolytic solution material together with a nonaqueous solvent and an electrolyte salt. The electrolytic solution material includes one or more of first unsaturated compounds and second unsaturated compounds represented, and one or more of phenol-type compounds, phosphorus-containing compounds, and sulfur-containing compounds. | 02-26-2015 |