公开(公告)号：US08597829B2

公开(公告)日：2013-12-03

申请号：US12702346

申请日：2010-02-09

申请人： Atsushi Kaiduka ,  Masanori Ogi ,  Yukihiro Oki ,  Masato Iwanaga

发明人： Atsushi Kaiduka ,  Masanori Ogi ,  Yukihiro Oki ,  Masato Iwanaga

IPC分类号： H01M2/02 ,  H01M6/10

CPC分类号： H01M10/0431 ,  H01M2/022 ,  H01M2/1673 ,  H01M2/168 ,  Y10T29/49108 ,  Y10T29/49114

摘要： The nonaqueous electrolyte secondary battery includes a rolled electrode assembly 14E formed by rolling a positive electrode plate 11 and a negative electrode plate 12 with a separator 13 interposed therebetween, the separator 13 is fixed on the outermost periphery of the rolled electrode assembly 14E with an adhesive tape for fixing a roll end 30e, an exposed portion of a negative electrode substrate 12c without an active material mixture layer 12b is placed on an outermost periphery side of the negative electrode plate 12, a negative electrode tab 12a is connected to the negative electrode substrate 12c on an outermost periphery side, and the adhesive tape 30e is not overlapped with a roll end 11d of the positive electrode plate 11 and a roll end 12d of the negative electrode substrate 12c. Thus the battery is seldom broken even when charging and discharging are repeatedly provided at high voltage.

摘要翻译： 非水电解质二次电池包括通过将隔板13插入其间的正极板11和负极板12进行轧制而形成的卷绕电极组件14E，隔板13用粘合剂固定在卷绕电极组件14E的最外周上 用于固定辊端30e的带，没有活性物质混合层12b的负电极基板12c的露出部分放置在负极板12的最外周侧，负电极接线片12a连接到负电极基板 12c，并且粘合带30e不与正极板11的辊端部11d和负极基板12c的辊端部12d重叠。 因此，即使在高电压下重复提供充电和放电时，电池也很少损坏。

公开(公告)号：US08021786B2

公开(公告)日：2011-09-20

申请号：US12059196

申请日：2008-03-31

申请人： Atsushi Kaiduka ,  Masato Iwanaga ,  Yukihiro Oki

发明人： Atsushi Kaiduka ,  Masato Iwanaga ,  Yukihiro Oki

IPC分类号： H01M4/48

CPC分类号： H01M4/485 ,  H01M2/1653 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M2010/4292

摘要： A non-aqueous electrolyte secondary cell superior in resistance against continuous charging at high potential is provided. The non-aqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material comprising lithium cobalt oxide containing at least one selected from Mg, Al, Ti, and Zr; and a separator having pores having an average diameter of 0.05 to 0.2 μm.

摘要翻译： 提供了在高电位下耐连续充电性优异的非水电解质二次电池。 非水电解质二次电池包括：具有磷酸锂的正极和包含选自Mg，Al，Ti和Zr中的至少一种的含有钴酸锂的正极活性物质; 以及具有平均直径为0.05〜0.2μm的孔的隔膜。

公开(公告)号：US20080241694A1

公开(公告)日：2008-10-02

申请号：US12059196

申请日：2008-03-31

申请人： Atsushi Kaiduka ,  Masato Iwanaga ,  Yukihiro Oki

发明人： Atsushi Kaiduka ,  Masato Iwanaga ,  Yukihiro Oki

IPC分类号： H01M4/52

CPC分类号： H01M4/485 ,  H01M2/1653 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M2010/4292

摘要： A non-aqueous electrolyte secondary cell superior in resistance against continuous charging at high potential is provided. The non-aqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material comprising lithium cobalt oxide containing at least one selected from Mg, Al, Ti, and Zr; and a separator having pores having an average diameter of 0.05 to 0.2 μm.

摘要翻译： 提供了在高电位下耐连续充电性优异的非水电解质二次电池。 非水电解质二次电池包括：具有磷酸锂的正极和包含选自Mg，Al，Ti和Zr中的至少一种的含有钴酸锂的正极活性物质; 以及具有平均直径为0.05〜0.2μm的孔的隔膜。

公开(公告)号：US20100233525A1

公开(公告)日：2010-09-16

申请号：US12702346

申请日：2010-02-09

申请人： Atsushi Kaiduka ,  Masanori Ogi ,  Yukihiro Oki ,  Masato Iwanaga

发明人： Atsushi Kaiduka ,  Masanori Ogi ,  Yukihiro Oki ,  Masato Iwanaga

IPC分类号： H01M2/02

CPC分类号： H01M10/0431 ,  H01M2/022 ,  H01M2/1673 ,  H01M2/168 ,  Y10T29/49108 ,  Y10T29/49114

摘要： The nonaqueous electrolyte secondary battery includes a rolled electrode assembly 14E formed by rolling a positive electrode plate 11 and a negative electrode plate 12 with a separator 13 interposed therebetween, the separator 13 is fixed on the outermost periphery of the rolled electrode assembly 14E with an adhesive tape for fixing a roll end 30e, an exposed portion of a negative electrode substrate 12c without an active material mixture layer 12b is placed on an outermost periphery side of the negative electrode plate 12, a negative electrode tab 12a is connected to the negative electrode substrate 12c on an outermost periphery side, and the adhesive tape 30e is not overlapped with a roll end 11d of the positive electrode plate 11 and a roll end 12d of the negative electrode substrate 12c. Thus the battery is seldom broken even when charging and discharging are repeatedly provided at high voltage.

摘要翻译： 非水电解质二次电池包括通过将隔板13插入其间的正极板11和负极板12进行轧制而形成的卷绕电极组件14E，隔板13用粘合剂固定在卷绕电极组件14E的最外周上 用于固定辊端30e的带，没有活性物质混合层12b的负电极基板12c的露出部分放置在负极板12的最外周侧，负电极接线片12a连接到负电极基板 12c，并且粘合带30e不与正极板11的辊端部11d和负极基板12c的辊端部12d重叠。 因此，即使在高电压下重复提供充电和放电时，电池也很少损坏。

公开(公告)号：US20140017526A1

公开(公告)日：2014-01-16

申请号：US14005954

申请日：2012-03-21

申请人： Masato Iwanaga ,  Atsushi Kaiduka ,  Shun Nomura ,  Kota Ogawa ,  Naoya Tsukamoto

发明人： Masato Iwanaga ,  Atsushi Kaiduka ,  Shun Nomura ,  Kota Ogawa ,  Naoya Tsukamoto

IPC分类号： H01M2/34 ,  H01M10/0569

CPC分类号： H01M2/34 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/44 ,  H01M10/48 ,  H01M2300/0028 ,  Y02T10/7011

摘要： A non-aqueous electrolyte secondary battery system includes a non-aqueous electrolyte secondary battery and a charging control system which has a function of detecting the voltage of the non-aqueous electrolyte secondary battery and disconnecting a charging circuit. The non-aqueous electrolytic solution contains a non-aqueous solvent having a viscosity of 0.6 cP or less at 25° C. in an amount of 35 to 80 vol % inclusive as a non-aqueous solvent and also contains hexamethylene diisocyanate, and the charging control system stops charging when the potential of the positive electrode of the non-aqueous electrolyte secondary battery is 4.35 to 4.6 V inclusive based on lithium. Thus the non-aqueous electrolyte secondary battery system equipped with the non-aqueous electrolyte secondary battery having high charging potential and excellent high-temperature cycling characteristics can be provided.

摘要翻译： 非水电解质二次电池系统包括非水电解质二次电池和具有检测非水电解质二次电池的电压并断开充电电路的功能的充电控制系统。 非水电解液含有25℃下的粘度为0.6cP以下的非水系溶剂，含量为35〜80体积％以外，作为非水系溶剂，还含有六亚甲基二异氰酸酯， 当非水电解质二次电池的正极的电位为4.35〜4.6V（以锂计）时，控制系统停止充电。 因此，可以提供配备有具有高充电电位和优异的高温循环特性的非水电解质二次电池的非水电解质二次电池系统。

公开(公告)号：US20110223489A1

公开(公告)日：2011-09-15

申请号：US13042552

申请日：2011-03-08

申请人： Masato Iwanaga ,  Noriko Yamashita ,  Atsushi Kaiduka ,  Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo

发明人： Masato Iwanaga ,  Noriko Yamashita ,  Atsushi Kaiduka ,  Koji Abe ,  Kazuhiro Miyoshi ,  Masahide Kondo

IPC分类号： H01M10/056

CPC分类号： H01M10/0567 ,  H01M4/525 ,  H01M10/052 ,  H01M10/4235 ,  H01M2300/0025 ,  Y02T10/7011

摘要： A positive electrode active material of a nonaqueous electrolyte secondary battery is composed of lithium-cobalt composite oxide containing at least one of zirconium, titanium, aluminum, and erbium, and the nonaqueous electrolyte includes an additive expressed by General Formula (1) having an acetylene group and a methylsulfonyl group at each end of the molecule. It has the effect of forming an SEI surface film as with the case of VC or the like, as well as having a higher oxidation resistance than that of VC or the like. Thus the nonaqueous electrolyte secondary battery employing as positive electrode active material a lithium-cobalt composite oxide with a particular dissimilar metallic element added, in which decomposition of the nonaqueous electrolytic solution during storage at high temperature in a charged state is suppressed, and there is little battery swelling is provided.

摘要翻译： 非水电解质二次电池的正极活性物质由含有锆，钛，铝，铒中的至少一种的锂钴复合氧化物构成，非水电解质含有通式（1）表示的添加剂，其具有乙炔 基团和分子的每个末端的甲基磺酰基。 与VC等的情况相同，具有形成SEI表面膜的效果，并且具有比VC等更高的抗氧化性。 因此，作为正极活性物质使用添加了特定的异种金属元素的锂 - 钴复合氧化物的非水电解质二次电池，其中抑制了在高温下在充电状态下储存期间非水电解液的分解，并且几乎没有 提供电池膨胀。

公开(公告)号：US08026000B2

公开(公告)日：2011-09-27

申请号：US11656486

申请日：2007-01-23

申请人： Masato Iwanaga ,  Yukihiro Oki ,  Koji Abe ,  Kazuhiro Miyoshi

发明人： Masato Iwanaga ,  Yukihiro Oki ,  Koji Abe ,  Kazuhiro Miyoshi

IPC分类号： H01M6/04

CPC分类号： H01M10/0567 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M2300/004

摘要： A nonaqueous electrolyte secondary battery of the invention has a positive electrode having a positive electrode active material, a negative electrode, and a nonaqueous electrolyte having electrolyte salt in a nonaqueous solvent. The electric potential of the positive electrode active material is 4.4 to 4.6 V relative to lithium, and the nonaqueous electrolyte contains a compound expressed by structural formula (I) below. The quantity of compound added is preferably 0.1% to 2% by mass. Also, the positive electrode active material preferably comprises a mixture of a lithium-cobalt composite oxide which is LiCoO2 containing at least both zirconium and magnesium and a lithium-manganese-nickel composite oxide that has a layer structure and contains at least both manganese and nickel. Thanks to such structure, a nonaqueous electrolyte secondary battery can be provided that is charged to charging termination potential of 4.4 to 4.6 V relative to lithium and that has enhanced overcharging safety.[Chemical Formula 1]

摘要翻译： 本发明的非水电解质二次电池具有正极，具有正极活性物质，负极和非水电解质，在非水溶剂中具有电解质盐。 正极活性物质的电位相对于锂为4.4〜4.6V，非水电解质含有下述结构式（I）表示的化合物。 化合物的添加量优选为0.1质量％〜2质量％。 此外，正极活性物质优选包含锂 - 钴复合氧化物的混合物，其为至少含有锆和镁的两种LiCoO 2和具有层结构并且至少包含锰和镍两者的锂锰镍复合氧化物的混合物 。 由于这样的结构，可以提供非水电解质二次电池，其相对于锂充电至4.4至4.6V的充电终止电位，并且具有增强的过充电安全性。 [化学式1]

公开(公告)号：US20070172730A1

公开(公告)日：2007-07-26

申请号：US11656486

申请日：2007-01-23

申请人： Masato Iwanaga ,  Yukihiro Oki ,  Koji Abe ,  Kazuhiro Miyoshi

发明人： Masato Iwanaga ,  Yukihiro Oki ,  Koji Abe ,  Kazuhiro Miyoshi

IPC分类号： H01M10/40 ,  H01M4/50 ,  H01M4/52

CPC分类号： H01M10/0567 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M2300/004

摘要： A nonaqueous electrolyte secondary battery of the invention has a positive electrode having a positive electrode active material, a negative electrode, and a nonaqueous electrolyte having electrolyte salt in a nonaqueous solvent. The electric potential of the positive electrode active material is 4.4 to 4.6 V relative to lithium, and the nonaqueous electrolyte contains a compound expressed by structural formula (I) below. The quantity of compound added is preferably 0.1% to 2% by mass. Also, the positive electrode active material preferably comprises a mixture of a lithium-cobalt composite oxide which is LiCoO2 containing at least both zirconium and magnesium and a lithium-manganese-nickel composite oxide that has a layer structure and contains at least both manganese and nickel. Thanks to such structure, a nonaqueous electrolyte secondary battery can be provided that is charged to charging termination potential of 4.4 to 4.6 V relative to lithium and that has enhanced overcharging safety.[Chemical Formula 1]

摘要翻译： 本发明的非水电解质二次电池具有正极，具有正极活性物质，负极和非水电解质，在非水溶剂中具有电解质盐。 正极活性物质的电位相对于锂为4.4〜4.6V，非水电解质含有下述结构式（I）表示的化合物。 化合物的添加量优选为0.1质量％〜2质量％。 此外，正极活性物质优选含有至少含有锆和镁两者的LiCoO 2 2的锂 - 钴复合氧化物和具有层结构的锂 - 锰 - 镍复合氧化物的混合物 并且至少含有锰和镍。 由于这样的结构，可以提供非水电解质二次电池，其相对于锂充电至4.4至4.6V的充电终止电位，并且具有增强的过充电安全性。 [化学式1]

公开(公告)号：US20120231344A1

公开(公告)日：2012-09-13

申请号：US13512431

申请日：2010-11-29

申请人： Koji Okushi ,  Yukihiro Oki ,  Masato Iwanaga

发明人： Koji Okushi ,  Yukihiro Oki ,  Masato Iwanaga

IPC分类号： H01M4/13 ,  H01M4/583 ,  H01M4/48

CPC分类号： H01M2/18 ,  H01M4/13 ,  H01M4/366 ,  H01M10/052 ,  Y02T10/7011

摘要： The present invention provides a nonaqueous electrolyte secondary battery that can be charged at high voltage and suppress capacity deterioration after charged storage in a high temperature environment.A nonaqueous electrolyte secondary battery 10 includes a positive electrode sheet 11, a negative electrode sheet 12, a nonaqueous electrolyte, and a separator 13, and the positive electrode active material has a potential of 4.35 to 4.60 V based on lithium. The positive electrode sheet 11 has a surface provided with an inorganic particle layer. The separator 13 has an average pore size of 0.15 μm or more and 0.3 μm or less. It is preferable that the inorganic particle layer provided to the surface of the positive electrode sheet 11 contain titanium oxide or aluminum oxide.

摘要翻译： 本发明提供一种可在高电压下充电并抑制在高温环境下充电保存后的容量劣化的非水电解质二次电池。 非水电解质二次电池10包括正极片11，负极片12，非水电解质和隔膜13，正极活性物质的电位为锂的4.35〜4.60V。 正极片11具有设置无机粒子层的面。 隔板13的平均孔径为0.15μm以上且0.3μm以下。 设置在正极片11的表面的无机粒子层优选含有氧化钛或氧化铝。

公开(公告)号：US08021787B2

公开(公告)日：2011-09-20

申请号：US12302713

申请日：2007-05-30

申请人： Masato Iwanaga ,  Kentaro Takahashi ,  Yukihiro Oki ,  Yoshihiko Ikeda ,  Akira Kinoshita ,  Nobumichi Nishida

发明人： Masato Iwanaga ,  Kentaro Takahashi ,  Yukihiro Oki ,  Yoshihiko Ikeda ,  Akira Kinoshita ,  Nobumichi Nishida

IPC分类号： H01M4/58

CPC分类号： H01M10/052 ,  H01M4/131 ,  H01M4/136 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0567 ,  H01M2004/021 ,  H01M2010/4292

摘要： The preservation performance of a nonaqueous electrolyte secondary cell charged to high potential is improved while the initial capacity and the cycle property of the cell are also improved. The nonaqueous electrolyte secondary cell includes: a positive electrode having lithium phosphate and a positive electrode active material containing lithium cobalt compound oxide and lithium manganese nickel compound oxide having a layer structure, the lithium cobalt compound oxide having at least zirconium and magnesium added in LiCoO2; a negative electrode having a negative electrode active material; and a nonaqueous electrolyte having a nonaqueous solvent and an electrolytic salt. The potential of the positive electrode is more than 4.3 V and 5.1 V or less based on lithium. The nonaqueous electrolyte contains vinylene carbonate as the nonaqueous solvent and, as the electrolytic salt, at least one of lithium bis(pentafluoroethane sulfonyl)imide and lithium bis(trifluoromethane sulfonyl)imide at 0.1 M or more and 0.5 M or less. The nonaqueous electrolyte contains 1,3-dioxane.

摘要翻译： 提高了充电至高电位的非水电解质二次电池的保存性能，同时电池的初始容量和循环特性也得到改善。 非水电解质二次电池包括：具有磷酸锂的正极和含有钴酸钴复合氧化物的正极活性物质和具有层结构的锂锰镍复合氧化物，所述锂钴复合氧化物在LiCoO 2中加入至少锆和镁; 具有负极活性物质的负极; 和具有非水溶剂和电解质盐的非水电解质。 基于锂，正极的电位大于4.3V且为5.1V以下。 非水电解质含有碳酸亚乙烯酯作为非水溶剂，作为电解质盐，为0.1M以上且0.5M以下的双（五氟乙烷磺酰基）亚胺锂和双（三氟甲磺酰基）亚胺锂中的至少一种。 非水电解质含有1,3-二恶烷。