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公开(公告)号：US20100248037A1
公开(公告)日：2010-09-30
申请号：US12695343
申请日：2010-01-28
申请人： Takefumi OKUMURA , Shigetaka Tsubouchi , Ryo Inoue
发明人： Takefumi OKUMURA , Shigetaka Tsubouchi , Ryo Inoue
CPC分类号： H01M10/0525 , H01M4/505 , H01M4/525 , H01M10/0567 , H01M10/0569 , H01M2300/0025 , H01M2300/0042 , Y02T10/7011
摘要： 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): (in which Z1 and Z2 each represent any one of an allyl group, a methallyl group, a vinyl group, an acryl group, and a methacryl group).
摘要翻译： 锂二次电池旨在抑制在50℃或更高的高温下储存时的劣化，而不会降低室温下的输出特性。 电池包括能够吸留和释放锂离子的正极，能够吸留和释放锂离子的负极，设置在正极和负极之间的隔膜以及电解质。 电解质含有分子中具有双键的化合物和分子中具有多个可聚合官能团的化合物，电解质含有式（4）表示的化合物：（其中Z1和Z2各自表示 烯丙基，甲代烯丙基，乙烯基，丙烯酰基和甲基丙烯酰基）。
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公开(公告)号：US20120100436A1
公开(公告)日：2012-04-26
申请号：US13379359
申请日：2010-06-21
申请人： Ryo Inoue , Shigetaka Tsubouchi , Takefumi Okumura
发明人： Ryo Inoue , Shigetaka Tsubouchi , Takefumi Okumura
IPC分类号： H01M10/0525 , H01M10/0569 , H01M4/583 , H01M10/0567 , H01M4/505 , H01M4/525
CPC分类号： H01M10/0567 , H01M4/587 , H01M10/0525 , H01M10/0569 , Y02T10/7011
摘要： 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 LiPF6 or LiBF4 as an electrolyte, and the electrolytic solution shows a reduction-reaction current of −0.05 mA/cm2 (provided that a reaction current on the reducing side be negative) or less at a potential lower than 1 V and shows an oxidation-reaction current of 0.5 mA/cm2 (provided that a reaction current on the oxidizing side be positive) or more at a potential higher than 5.7 V in an LSV measurement at a potential sweep rate of 1 mV/s using a glassy-carbon disk electrode as a working electrode, a platinum electrode as a counter electrode, and a lithium electrode as a reference electrode.
摘要翻译： 公开了一种在阳极活性材料混合物中包含碳质材料的锂离子二次电池，以及在电解液中的环状碳酸酯和链状碳酸酯。 溶剂含有一种添加剂，该物质具有通过分子轨道计算确定的低于通过分子轨道计算确定的碳酸亚乙酯的LUMO能量并且具有低于通过分子轨道计算确定的碳酸亚乙烯酯的HOMO能量的HOMO能量确定的LUMO能量的物质 电解液含有作为电解质的LiPF 6或LiBF 4，电解液的电位低于1V时，电解液的还原反应电流为-0.05mA / cm 2（条件是还原侧的反应电流为负）以下 并且在电位扫描速度为1mV / s的LSV测量中，使用以下公式示出氧化反应电流为0.5mA / cm 2（条件是氧化侧的反应电流为正），电位高于5.7V的电位 作为工作电极的玻璃碳片电极，作为对电极的铂电极和作为参考电极的锂电极。
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公开(公告)号：US08409757B2
公开(公告)日：2013-04-02
申请号：US12695343
申请日：2010-01-28
申请人： Takefumi Okumura , Shigetaka Tsubouchi , Ryo Inoue
发明人： Takefumi Okumura , Shigetaka Tsubouchi , Ryo Inoue
IPC分类号： H01M2/14
CPC分类号： H01M10/0525 , H01M4/505 , H01M4/525 , H01M10/0567 , H01M10/0569 , H01M2300/0025 , H01M2300/0042 , Y02T10/7011
摘要： 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): (in which Z1 and Z2 each represent any one of an allyl group, a methallyl group, a vinyl group, an acryl group, and a methacryl group).
摘要翻译： 锂二次电池旨在抑制在50℃或更高的高温下储存时的劣化，而不会降低室温下的输出特性。 电池包括能够吸留和释放锂离子的正极，能够吸留和释放锂离子的负极，设置在正极和负极之间的隔膜以及电解质。 电解质含有分子中具有双键的化合物和分子中具有多个可聚合官能团的化合物，电解质含有式（4）表示的化合物：（其中Z1和Z2各自表示 烯丙基，甲代烯丙基，乙烯基，丙烯酰基和甲基丙烯酰基）。
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公开(公告)号：US20090325041A1
公开(公告)日：2009-12-31
申请号：US12491616
申请日：2009-06-25
摘要： A lithium secondary battery is disclosed which includes: a cathode that is capable of storing/releasing a lithium ion, an anode that is capable of storing/releasing a lithium ion, a separator that separates the electrodes from each other, and an electrolyte solution. The cathode includes a cathode-active material and an electroconductive material comprised of at least one gas-generating resin that is decomposed with generation of a gas at a temperature at which oxygen is eliminated from the cathode-active material, and an electroconductive filler.
摘要翻译： 公开了一种锂二次电池，其包括：能够存储/释放锂离子的阴极，能够存储/释放锂离子的阳极，将电极彼此分离的隔板和电解质溶液。 阴极包括阴极活性材料和导电材料，导电材料由至少一种产生气体的树脂组成，该气体发生树脂在从阴极活性材料中除去氧气的温度下产生气体和导电填料。
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公开(公告)号：US20100248036A1
公开(公告)日：2010-09-30
申请号：US12695632
申请日：2010-01-28
IPC分类号： H01M6/16
CPC分类号： H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0568 , H01M10/0569 , Y02T10/7011
摘要： 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, in which the electrolyte contains a compound represented by formula (1) (R′O)nSiR4-n (Formula 1) where R′ represents an alkyl group, R is selected from hydrogen, an alkyl group, an alicyclic group, and an aryl group, each of R′ and R may be identical or different from each other, the alkyl group has a straight or branched chain having fewer than 10 carbon atoms, and n is an integer of 1 to 3, and a compound having a polymerizable group in the molecule.
摘要翻译： 锂二次电池旨在抑制在50℃或更高的高温下储存时的劣化，而不会降低室温下的输出特性。 电池包括能够吸留和释放锂离子的正极，能够吸留和释放锂离子的负极，设置在正极和负极之间的隔膜和电解质，其中电解质含有式 （1）（R'O）nSiR4-n（式1）其中R'表示烷基，R选自氢，烷基，脂环族基和芳基，R'和R各自可以是 相同或不同，烷基具有少于10个碳原子的直链或支链，n为1〜3的整数，分子内具有聚合性基团的化合物。
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