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公开(公告)号：US20140322576A1
公开(公告)日：2014-10-30
申请号：US13994573
申请日：2012-08-17
IPC分类号： H01M10/04
CPC分类号： H01M10/0567 , H01M2/1235 , H01M4/364 , H01M4/505 , H01M4/525 , H01M4/583 , H01M10/0431 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M10/4235 , H01M2004/021 , H01M2220/30
摘要： A high-input and high-output battery having a large capacity while guaranteeing safety is provided. As a composition of an electrolytic solution, a composition ratio of ethylene carbonate (EC) is 20 vol % or more and 30 vol % or less, and a composition ratio of dimethyl carbonate (DMC) is 36 vol % or more and 50 vol % or less, and a composition ratio η (DMC/EMC) of dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC) is 1.05≦η≦1.7. Furthermore, a composition ratio of an additive is 0.1 wt. % or more and 1.0 wt. % or less, and a concentration of lithium salt is 1.0 mol/L or more and 1.5 mol/L or less.
摘要翻译： 提供了具有大容量的高输入和高输出电池，同时保证了安全性。 作为电解液的组成，碳酸亚乙酯（EC）的组成比为20体积％以上且30体积％以下，碳酸二甲酯（DMC）的组成比为36体积％〜50体积％ 或更低，组成比＆ 碳酸二甲酯（DMC）和碳酸甲乙酯（EMC）的（DMC / EMC）为1.05＆amp; nlE; 1.7。 此外，添加剂的组成比为0.1重量％。 ％以上且1.0重量％ ％以下，锂盐的浓度为1.0mol / L以上且1.5mol / L以下。
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公开(公告)号：US20140370346A1
公开(公告)日：2014-12-18
申请号：US13994569
申请日：2012-08-20
IPC分类号： H01M10/0587 , H01M4/525 , H01M4/505 , H01M10/0525 , H01M4/36
CPC分类号： H01M10/0587 , H01M4/131 , H01M4/364 , H01M4/505 , H01M4/525 , H01M10/0525
摘要： A high-input and high-output battery having a large capacity while guaranteeing safety is provided. In a lithium ion battery having an electrode wound group in which a positive electrode, a negative electrode, and a separator are wound and an electrolytic solution provided in a battery container, a discharge capacity of the battery being 30 Ah or more, the positive electrode has a current collector and a positive electrode composite applied to both surfaces of the current collector, and the positive electrode composite has following configuration. The positive electrode composite contains a mixed active material of layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn), a density of the positive electrode composite is 2.4 g/cm3 or more and 2.7 g/cm3 or less, and an application quantity of the positive electrode composite is 175 g/m2 or more and 250 g/m2 or less.
摘要翻译： 提供了具有大容量的高输入和高输出电池，同时保证了安全性。 在其中缠绕有正极，负极和隔膜的电极卷绕组的锂离子电池和设置在电池容器中的电解液，电池的放电容量为30Ah以上，正极 具有应用于集电体的两面的集电体和正极复合体，正极复合体具有以下构造。 正极复合体含有层状锂镍锰钴复合氧化物（NMC）和尖晶石锂锰氧化物（sp-Mn）的混合活性物质，正极复合体的密度为2.4g / cm 3以上2.7g / cm 3 以下，正极复合体的涂布量为175g / m 2以上且250g / m 2以下。
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公开(公告)号：US20140363708A1
公开(公告)日：2014-12-11
申请号：US13994580
申请日：2012-08-13
申请人： Shingo Ito , Takefumi Okumura , Takayuki Kimura , Hiroo Nishiyama
发明人： Shingo Ito , Takefumi Okumura , Takayuki Kimura , Hiroo Nishiyama
CPC分类号： H01M2/1241 , H01M2/1235 , H01M4/131 , H01M4/364 , H01M4/505 , H01M4/525 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M2200/20 , H01M2220/30
摘要： In a lithium ion battery provided with a cleavage valve that discharges gas in accordance with an internal pressure rise, and a discharge capacity X of the battery being 30 Ah or more and less than 100 Ah, a positive electrode composite contains a mixed active material of layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn). A density of the positive electrode composite is 2.4 to 2.7 g/cm3, an application quantity of the positive electrode composite is 175 to 250 g/cm2, and when a weight ratio (NMC/sp-Mn) is defined as Y, a relation of Y
摘要翻译： 在设置有根据内部压力升高排出气体并且电池的放电容量X为30Ah以上且小于100Ah的分解阀的锂离子电池中，正极复合体含有 层状锂镍锰复合氧化物（NMC）和尖晶石锂锰氧化物（sp-Mn）。 正极复合体的密度为2.4〜2.7g / cm 3，正极复合体的涂布量为175〜250g / cm 2，当重量比（NMC / sp-Mn）为Y时， 的Y <-0.0062X + 1.05。 此外，当X大于40Ah和80Ah以下时，当排出能力X为30Ah以上且40Ah以下时，分割阀的工作压力为1.0〜5.0MPa。
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公开(公告)号：US09406929B2
公开(公告)日：2016-08-02
申请号：US13994605
申请日：2012-08-20
IPC分类号： H01M4/36 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0587 , H01M10/04 , H01M10/0525 , H01M4/02
CPC分类号： H01M4/364 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M2004/028 , Y02E60/122
摘要： A high-input and high-output battery having a large capacity while guaranteeing safety is provided. In a lithium ion battery having an electrode wound group in which a positive electrode, a negative electrode, and a separator are wound and an electrolytic solution provided in a battery container, a discharge capacity of the battery being 30 Ah or more, the positive electrode has a current collector and a positive electrode composite applied to both surfaces of the current collector, and the positive electrode composite has following configuration. The positive electrode composite contains a mixed active material of layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn), a density of the positive electrode composite is 2.4 g/cm3 or more and 2.7 g/cm3 or less, and a porosity of the active electrode composite is 29.5% or more and 40.0% or less. Furthermore, a weight ratio (NMC/sp-Mn) of the mixed active materials is set to 10/90 or more and 60/40 or less.
摘要翻译： 提供了具有大容量的高输入和高输出电池，同时保证了安全性。 在其中缠绕有正极，负极和隔膜的电极卷绕组的锂离子电池和设置在电池容器中的电解液，电池的放电容量为30Ah以上，正极 具有应用于集电体的两面的集电体和正极复合体，正极复合体具有以下构造。 正极复合体含有层状锂镍锰钴复合氧化物（NMC）和尖晶石锂锰氧化物（sp-Mn）的混合活性物质，正极复合体的密度为2.4g / cm 3以上2.7g / cm 3 以下，活性电极复合体的孔隙率为29.5％以上且40.0％以下。 此外，混合活性物质的重量比（NMC / sp-Mn）设定为10/90以上且60/40以下。
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公开(公告)号：US20150044534A1
公开(公告)日：2015-02-12
申请号：US13994605
申请日：2012-08-20
CPC分类号： H01M4/364 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M2004/028 , Y02E60/122
摘要： A high-input and high-output battery having a large capacity while guaranteeing safety is provided. In a lithium ion battery having an electrode wound group in which a positive electrode, a negative electrode, and a separator are wound and an electrolytic solution provided in a battery container, a discharge capacity of the battery being 30 Ah or more, the positive electrode has a current collector and a positive electrode composite applied to both surfaces of the current collector, and the positive electrode composite has following configuration. The positive electrode composite contains a mixed active material of layered lithium nickel manganese cobalt composite oxide (NMC) and spinel lithium manganese oxide (sp-Mn), a density of the positive electrode composite is 2.4 g/cm3 or more and 2.7 g/cm3 or less, and a porosity of the active electrode composite is 29.5% or more and 40.0% or less. Furthermore, a weight ratio (NMC/sp-Mn) of the mixed active materials is set to 10/90 or more and 60/40 or less.
摘要翻译： 提供了具有大容量的高输入和高输出电池，同时保证了安全性。 在其中缠绕有正极，负极和隔膜的电极卷绕组的锂离子电池和设置在电池容器中的电解液，电池的放电容量为30Ah以上，正极 具有应用于集电体的两面的集电体和正极复合体，正极复合体具有以下构造。 正极复合体含有层状锂镍锰钴复合氧化物（NMC）和尖晶石锂锰氧化物（sp-Mn）的混合活性物质，正极复合体的密度为2.4g / cm 3以上2.7g / cm 3 以下，活性电极复合体的孔隙率为29.5％以上且40.0％以下。 此外，混合活性物质的重量比（NMC / sp-Mn）设定为10/90以上且60/40以下。
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公开(公告)号：US09118087B2
公开(公告)日：2015-08-25
申请号：US13004918
申请日：2011-01-12
申请人： Toshio Abe , Takefumi Okumura
发明人： Toshio Abe , Takefumi Okumura
CPC分类号： H01M10/0525 , H01M4/525 , H01M4/587 , H01M4/623 , H01M4/624 , H01M4/661 , Y02E60/122 , Y02T10/7011
摘要： Disclosed are an electrode for a lithium secondary battery which includes a metal substrate and a plated layer arranged on the metal substrate and bearing active material particles and resin particles embedded therein, in which a part of the active material particles and the resin particles has a protruding portion beyond the plated layer; and a lithium secondary battery using the electrode. The electrode helps the lithium secondary battery to be resistant to deterioration and property degradation at high temperature and allows the battery to have high input-output performance and to be suitable typically for hybrid electric vehicles.
摘要翻译： 公开了一种用于锂二次电池的电极，其包括金属基板和布置在金属基板上并承载活性材料颗粒和嵌入其中的树脂颗粒的镀层，其中活性材料颗粒和树脂颗粒的一部分具有突出的 超出镀层的部分; 和使用该电极的锂二次电池。 该电极帮助锂二次电池耐高温劣化和性能降低，并且允许电池具有高输入输出性能并且通常适用于混合动力电动车辆。
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公开(公告)号：US20070048618A1
公开(公告)日：2007-03-01
申请号：US11505306
申请日：2006-08-17
申请人： Takefumi Okumura , Masanori Sakai , Akira Satou
发明人： Takefumi Okumura , Masanori Sakai , Akira Satou
CPC分类号： H01M10/0525 , H01M2/1673 , H01M4/13 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/366 , H01M10/0565 , Y02E10/542 , Y02E60/122
摘要： This invention provides electrochemical devices that facilitate formation of an electric double layer, i.e., a reaction field at the electrode interface, for the purpose of reducing interface resistance. Such electrochemical devices each independently have a positive electrode and a negative electrode, wherein the positive electrode and the negative electrode are each in contact with a polymer, and wherein the Lewis acid properties of a polymer that is in contact with the positive electrode are different from those of a polymer that is in contact with the negative electrode.
摘要翻译： 本发明提供了便于形成双电层的电化学装置，即电极界面处的反应场，以减少界面电阻。 这种电化学装置各自独立地具有正极和负极，其中正极和负极各自与聚合物接触，并且其中与正极接触的聚合物的路易斯酸性质不同于 与负极接触的聚合物的那些。
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公开(公告)号：US20050260501A1
公开(公告)日：2005-11-24
申请号：US11055485
申请日：2005-02-11
申请人： Takefumi Okumura , Shin Nishimura
发明人： Takefumi Okumura , Shin Nishimura
IPC分类号： C08K3/00 , C08K5/00 , C08L69/00 , H01B1/06 , H01M10/05 , H01M10/052 , H01M10/0565 , H01M10/40
CPC分类号： H01M10/0566 , H01M10/0525 , H01M10/0565 , H01M10/0568 , H01M10/0569 , H01M2300/0025
摘要： An electrolyte with excellent ionic conductivity, and a lithium secondary battery utilizing the electrolyte for increased level of safety. The lithium secondary battery comprises a positive and a negative electrode that reversibly intercalate and deintercalate lithium, and an electrolyte containing a lithium ion. The electrolyte comprises: a polymer having a carbonate group represented by formula 1 below: where R1 is a hydrocarbon group with a carbon number of 2 to 7, and n is an integer from 10 to 10000; an electrolyte salt; and an organic solvent. The electrolyte salt is contained with a molar ratio of 0.2 or more with respect to the carbonate group, thereby providing the battery with an excellent ionic conductivity and high levels of safety.
摘要翻译： 具有优异的离子电导率的电解质和利用电解质的锂二次电池提高安全性。 锂二次电池包括可逆地插入和脱嵌锂的正极和负极以及含有锂离子的电解质。 电解质包括：具有下述式1表示的碳酸酯基的聚合物：其中R 1是碳数为2至7的烃基，n为10至10000的整数; 电解质盐 和有机溶剂。 电解质盐相对于碳酸酯基的摩尔比为0.2以上，由此为电池提供优异的离子导电性和高安全性。
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9.发明授权Lithium-ion rechargeable battery module, vehicle with the battery module and generating system with the battery module 有权锂离子充电电池模块，车载电池模块和发电系统带电池模块公开(公告)号：US08828584B2
公开(公告)日：2014-09-09
申请号：US13442894
申请日：2012-04-10
IPC分类号： H01M6/42 , H01M10/0525 , H01M10/0569 , H01M10/058
CPC分类号： H01M10/0525 , H01M10/0569 , H01M10/058 , H01M2220/10 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： A lithium-ion rechargeable battery module having a plurality of lithium-ion battery cells, arranged that battery cells located at an high temperature portion of the module are electrically connected in parallel with battery cells located at a low temperature portion of the module. The battery cells at the high temperature portion have a higher electric resistance at 20° C. and a better high-temperature storage characteristic at 50° C. than those of the battery cells located at the low temperature portion.
摘要翻译： 一种具有多个锂离子电池单元的锂离子可再充电电池模块，其布置为位于所述模块的高温部分的电池单元与位于所述模块的低温部分的电池单体电连接。 高温部分的电池单元在20℃下具有较高的电阻，在50℃下具有比位于低温部分的电池更好的高温存储特性。
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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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