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1. 发明专利

JP2011204592A Lithium secondary battery and method for manufacturing the same 有权
标题翻译：锂二次电池及其制造方法
公开(公告)号：JP2011204592A
公开(公告)日：2011-10-13
申请号：JP2010072908
申请日：2010-03-26
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , SUNANO TAIZO , JINNO MARUO
IPC分类号： H01M4/62 , H01M4/134 , H01M4/1395 , H01M10/052 , H01M10/058
CPC分类号： H01M4/622 , C08G73/1067 , C08G73/1082 , C08L79/08 , H01M4/04 , H01M4/0404 , H01M4/134 , H01M4/1395 , H01M10/052 , Y02E60/122 , Y02P70/54 , Y10T29/49115
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery which uses negative-pole active material particles containing silicon and/or a silicon alloy, wherein the lithium secondary battery suppresses breakage of a binder itself and separation at the boundary surface between the binder and a negative-pole active material and negative-pole collector during charging or discharging, and has high energy density and good cyclic characteristics.SOLUTION: The lithium secondary battery is provided with a negative pole in which a negative-pole active material layer including a binder and negative-pole active material particles containing silicon and/or a silicon alloy is formed on conductive metal foil constituting a negative-pole collector, a positive pole, and a nonaqueous electrolyte. The binder includes a polyimide resin having a crosslinked structure formed by imidization of polycarboxylic acid having a valency of 6 or more or an anhydride thereof and diamine.
摘要翻译：要解决的问题：提供一种锂二次电池，其使用含有硅和/或硅合金的负极活性物质颗粒，其中锂二次电池抑制粘合剂本身的破裂和粘合剂与粘合剂之间的界面处的分离负极活性物质和负极集电体，具有高能量密度和良好的循环特性。解决方案：锂二次电池设置有负极，其中包括粘合剂和负极活性物质层在构成负极集电体，正极和非水电解质的导电性金属箔上形成含有硅和/或硅合金的负极活性物质粒子。粘合剂包括具有通过酰亚胺化6价以上的多元羧酸或其酸酐和二胺形成的交联结构的聚酰亚胺树脂。

2. 发明专利

JP2010238562A Lithium secondary battery, manufacturing method for the same, and binder precursor solution for lithium secondary battery used for its manufacturing method 有权
标题翻译：锂二次电池，其制造方法和用于其制造方法的锂二次电池的粘合剂前处理剂
公开(公告)号：JP2010238562A
公开(公告)日：2010-10-21
申请号：JP2009085873
申请日：2009-03-31
申请人： Sanyo Electric Co Ltd , Shin-Etsu Chemical Co Ltd , 三洋電機株式会社 , 信越化学工業株式会社
发明人： YONEDA YOSHIAKI , FUKUI ATSUSHI , SUNANO TAIZO , JINNO MARUO
IPC分类号： H01M4/62 , H01M4/134 , H01M4/1395 , H01M10/052 , H01M10/058
CPC分类号： Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery, its manufacturing method, and a binder precursor solution for the lithium secondary battery used for the manufacturing method. SOLUTION: A negative electrode active material includes negative electrode active material particles containing at least one of silicon or a silicon alloy, and a binder. The binder includes a siloxane containing polyimide resin with a structure represented by formula (1). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种锂二次电池，其制造方法和用于制造方法的锂二次电池的粘合剂前体溶液。解决方案：负极活性材料包括含有硅或硅合金中的至少一种的负极活性物质颗粒和粘合剂。粘合剂包括具有由式（1）表示的结构的含硅氧烷的聚酰亚胺树脂。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2009245839A Lithium secondary battery 有权
标题翻译：锂二次电池
公开(公告)号：JP2009245839A
公开(公告)日：2009-10-22
申请号：JP2008092619
申请日：2008-03-31
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , JINNO MARUO
IPC分类号： H01M2/26 , H01M4/02 , H01M4/134 , H01M10/052 , H01M10/0566 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery having high energy density, high discharge-rate characteristics, and excellent charge discharge cycle characteristics.
SOLUTION: In the lithium secondary battery having an electrode body 5 formed by spirally winding a laminated body including a negative electrode in which a negative active material layer containing an element having a coefficient of cubic expansion by charge of 1.9 times or more is formed on a negative current collector, a positive electrode in which a positive active material layer containing a lithium transition metal oxide is formed on a positive current collector, and a separator, and housing the electrode body 5 in a cylindrical battery container with a nonaqueous electrolyte impregnated, two positive current collector tabs 7, 7 are arranged at intervals of at least 1/4 or more of the total length of the positive electrode in a position from an inner peripheral side end part in the winding direction of the positive electrode to 2/3 of the total length of the positive electrode, and one negative current collector tab 8 is arranged in an outer peripheral side end part in the winding direction of the negative electrode.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有高能量密度，高放电率特性和优异的充电放电循环特性的锂二次电池。解决方案：在具有电极体5的锂二次电池中，所述锂二次电池通过螺旋卷绕包括负极的层叠体形成，所述层叠体包含含有1.9倍或更多倍的立方体膨胀系数的元素的负极活性物质层是负极活性物质层形成在负极集电体上的正电极，在正极集电体上形成含有锂过渡金属氧化物的正极活性物质层的正极和隔膜，并且将电极体5容纳在具有非水电解质的圆筒形电池容器中浸渍的两个正极集电片7,7以从正极的卷绕方向的内周侧端部到正极的卷绕方向的位置的正极的总长度的至少1/4以上的间隔配置为2 / 3，正极集电片8设置在风的外周侧端部负极的方向。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009245773A Lithium secondary battery and its manufacturing method 有权
标题翻译：锂二次电池及其制造方法
公开(公告)号：JP2009245773A
公开(公告)日：2009-10-22
申请号：JP2008091513
申请日：2008-03-31
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , JINNO MARUO
IPC分类号： H01M4/134 , H01M4/1395 , H01M4/36 , H01M4/38 , H01M4/62
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery having high energy density and high charge/discharge cycle characteristics by suppressing drop in current collecting property in a negative electrode caused by repeated charge/discharge cycles. SOLUTION: Particles A containing silicon and/or a silicon alloy having particle distribution of a median diameter of 3-6 μm and 60 vol.% or more of particle sizes of 2-7 μm, and particles B containing silicon and/or a silicon alloy having particle distribution having particle distribution of a median diameter of 9-15 μm and 60 vol.% or more of particle sizes of 7-17 μm, are mixed in a range of 10:90 to 25:75 in a weight ratio (particles A:particles B) and the mixture is used as a negative active material particles, and polyimide resin having structure represented by formula is used as a negative electrode binder. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：通过抑制由重复的充放电循环引起的负极中的集电性的下降，提供具有高能量密度和高充放电循环特性的锂二次电池。解决方案：含有中值粒径为3-6μm，粒径为2-7μm的60体积％以上的粒子分布的硅和/或硅合金的粒子A和含有硅和/ 或具有粒径分布为9〜15μm，粒径为7〜17μm的60体积％以上的粒子分布的硅合金在10:90〜25:75的范围内混合，重量比（颗粒A：颗粒B），并将该混合物用作负极活性材料颗粒，并且使用具有由式表示的结构的聚酰亚胺树脂作为负极粘合剂。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009231261A Nonaqueous electrolyte secondary battery 审中-公开
标题翻译：非电解电解质二次电池
公开(公告)号：JP2009231261A
公开(公告)日：2009-10-08
申请号：JP2008233791
申请日：2008-09-11
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： YAMAMOTO HIDEKAZU , FUKUI ATSUSHI , SUNANO TAIZO , JINNO MARUO
IPC分类号： H01M2/02 , H01M4/38 , H01M4/525 , H01M10/052 , H01M10/0567 , H01M10/0569 , H01M10/0587
CPC分类号： H01M10/0566 , H01M4/131 , H01M4/364 , H01M10/052
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery in which a negative electrode active material which can make alloy with lithium is used in a negative electrode and a nonaqueous electrolytic solution used for the nonaqueous electrolyte secondary battery is improved and charge/discharge cycle characteristics and preservation characteristics in a charged status are improved.
SOLUTION: The nonaqueous electrolyte secondary battery is provided with a positive electrode 1, a negative electrode 2, a separator 3 arranged between the positive electrode and the negative electrode, and a nonaqueous electrolytic solution in which a solute is dissolved in a nonaqueous solvent, a negative electrode active material which can make alloy with lithium is used in the negative electrode, and in the nonaqueous solvent of the nonaqueous electrolytic solution, fluorinated cyclic carbonates and carboxylic ester are used, and moreover, a nitrile compound having a chain saturated hydrocarbon group with a plurality of carbon numbers is contained in the nonaqueous electrolytic solution.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决方案：提供一种非水电解质二次电池，其中在负极中使用可与锂形成合金的负极活性物质，并且改善了用于非水电解质二次电池的非水电解液，并将电荷 /放电循环特性和充电状态下的保存特性得到改善。解决方案：非水电解质二次电池设置有正极1，负极2，配置在正极和负极之间的隔膜3和非水电解液，其中溶质溶解在非水电解质溶剂，在负极中使用可与锂形成合金的负极活性物质，在非水电解液的非水溶剂中使用氟化环状碳酸酯和羧酸酯，此外，使用具有链饱和的腈化合物在非水电解液中含有多个碳数的烃基。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009099523A Lithium secondary battery 审中-公开
标题翻译：锂二次电池
公开(公告)号：JP2009099523A
公开(公告)日：2009-05-07
申请号：JP2008083896
申请日：2008-03-27
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , JINNO MARUO
IPC分类号： H01M4/131 , H01M4/36 , H01M4/485 , H01M10/052 , H01M10/0569 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery using particles of silicon and/or silicon alloy as a negative electrode active material, having improved charge-discharge cycle property. SOLUTION: The lithium secondary battery comprises: a positive electrode where an positive electrode active material layer containing a positive electrode active material including lithium transition metal composite oxide having a layered structure and positive electrode binder are arranged on a positive electrode collector; a negative electrode where a negative electrode active material layer containing the negative electrode active material including particles of silicon and/or silicon alloy and negative electrode binder are arranged on a negative electrode collector; a separator arranged between the positive electrode and the negative electrode; and a nonaqueous electrolyte, wherein an electrode formed with the positive electrode and the negative electrode opposed to each other via the separator and wound thereon is stored in a battery case holder. The lithium transition metal composite oxide has Al 2 O 3 particles fixed onto the surface so that its BET specific surface area after fixed is 1.5-8 times that before fixed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供使用硅和/或硅合金颗粒作为负极活性材料的锂二次电池，具有改善的充放电循环特性。解决方案：锂二次电池包括：在正极集电体上配置正极，其正极活性物质层包含具有层状结构的锂过渡金属复合氧化物的正极活性物质和正极结合剂; 在负极集电体上配置负极活性物质层，其负极活性物质层含有包含硅和/或硅合金的微粒子的负极活性物质和负极活性物质，设置在所述正极和所述负极之间的隔膜; 和非水电解液，其中通过隔膜相互对置并缠绕在其上的形成有正极和负极的电极被存储在电池盒保持器中。锂过渡金属复合氧化物具有固定在表面上的固体中的BET比表面积为固定前的1.5-8倍的固体的Al 2 3 颗粒。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008270147A Nonaqueous electrolyte secondary battery 有权
标题翻译：非电解电解质二次电池
公开(公告)号：JP2008270147A
公开(公告)日：2008-11-06
申请号：JP2007246571
申请日：2007-09-25
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： YAMAMOTO HIDEKAZU , TAKANO YASUO , CHIGA TAKANOBU , FUKUI ATSUSHI , SUNANO TAIZO , JINNO MARUO
IPC分类号： H01M4/131 , H01M4/1395 , H01M4/38 , H01M4/66 , H01M4/70 , H01M10/052 , H01M10/0569 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To obtain a high energy density and superior cycle performance characteristics in a nonaqueous electrolyte secondary battery which includes a positive electrode, a negative electrode and a separator stacked and wound in a cylindrical configuration. SOLUTION: The nonaqueous electrolyte secondary battery includes the positive electrode containing a positive active material, the negative electrode containing a negative active material, the separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte containing a solvent and a solute, wherein the positive electrode, the negative electrode and the separator are stacked and wound in the cylindrical configuration; and the negative active material comprises a material that stores lithium via alloying with lithium, the solvent in the nonaqueous electrolyte contains a fluorinated cyclic carbonate, and the nonaqueous electrolyte has a viscosity of not higher than 2.5 mPa s. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在包括正极，负极和以圆柱形构造堆叠和缠绕的隔板的非水电解质二次电池中获得高能量密度和优异的循环性能特性。解决方案：非水电解质二次电池包括含有正极活性物质的正极，含有负极活性物质的负极，介于正极和负极之间的隔膜和含有溶剂的非水电解质和溶质，其中正极，负极和隔膜以圆筒形构造堆叠并缠绕; 负极活性物质包含通过与锂合金化锂的材料，非水电解液中的溶剂含有氟化环状碳酸酯，非水电解质的粘度不高于2.5mPa·s。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008243661A Cylindrical lithium secondary battery 有权
标题翻译：圆柱形锂二次电池
公开(公告)号：JP2008243661A
公开(公告)日：2008-10-09
申请号：JP2007083761
申请日：2007-03-28
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , YAMAMOTO HIDEKAZU , TAKANO YASUO , SAWA KATSUICHIRO , SUNANO TAIZO , JINNO MARUO
IPC分类号： H01M2/16 , H01M4/02 , H01M4/04 , H01M4/131 , H01M4/134 , H01M4/1391 , H01M4/1395 , H01M4/36 , H01M4/38 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/62 , H01M10/052 , H01M10/0567 , H01M10/0569 , H01M10/0587
CPC分类号： H01M10/052 , H01M2/1653 , H01M4/364 , H01M4/386 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/622 , H01M4/625 , H01M2004/021 , H01M2010/4292 , Y10T29/49115
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery superior in charge and discharge cycle characteristics even in the case of a cylindrical lithium secondary battery in which a material containing silicon or the like to cause volume expansion in storing lithium is used for a negative electrode active material, and its manufacturing method. SOLUTION: In the lithium secondary battery equipped with a positive electrode 1 in which a positive electrode mixture layer containing a positive electrode active material is arranged on a surface of a positive electrode current collector consisting of a conductive metal foil, and a negative electrode 2 in which a negative electrode mixture layer having a negative electrode active material containing silicon particles and/or silicon alloy particles is arranged on a surface of a negative electrode current collector consisting of the conductive metal foil, the positive electrode active material amount is 50 mg or less per 1 cm 2 of the positive electrode, the average diameter of the silicon particles and/or the silicon alloy particles is 5 μm or more and 15 μm or less, and a theoretical electric capacity factor of the negative electrode against the positive electrode is 1.2 or more. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在其中使用含有硅等材料以引起储存锂的体积膨胀的圆柱形锂二次电池的情况下，也提供具有优异的充放电循环特性的锂二次电池，负极活性物质及其制造方法。解决方案：在具有正电极1的锂二次电池中，其中在由导电金属箔构成的正极集电体的表面上配置有包含正极活性物质的正极合剂层，负极在由导电性金属箔构成的负极集电体的表面配置具有含有硅粒子和/或硅合金粒子的负极活性物质的负极合剂层的电极2，正极活性物质量为50 mg / mm 2以下，硅粒子和/或硅合金粒子的平均直径为5μm以上且15μm以下，理论电容率因子的负极相对于正极为1.2以上。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007213875A Lithium secondary battery and its manufacturing method 审中-公开
标题翻译：锂二次电池及其制造方法
公开(公告)号：JP2007213875A
公开(公告)日：2007-08-23
申请号：JP2006030429
申请日：2006-02-08
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： FUKUI ATSUSHI , MINAMI HIROYUKI , KUSUMOTO YASUYUKI
IPC分类号： H01M2/26 , H01M4/02 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M10/05 , H01M10/052 , H01M10/0587
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a lithium secondary battery having high energy density and excelling in a charge-discharge cycle characteristic; and to provide its manufacturing method. SOLUTION: This lithium secondary battery is provided with: a positive electrode 2 composed by arranging a positive electrode active material layer 23 on a surface of a positive electrode collector 20 made of conductive metal foil; a negative electrode composed by arranging a negative electrode active material layer containing silicon on a negative electrode collector made of conductive metal foil; a separator arranged between the positive electrode and the negative electrode; a battery case for housing a cylindrical electrode body formed by facing the positive electrode and the negative electrode to each other through the separator and by spirally rolling them; a positive electrode collector tab 7 connected to the positive electrode collector 20 and extracted from the electrode body; a negative electrode collector tab connected to the negative electrode collector and extracted from the electrode body; and a nonaqueous electrolyte. The lithium secondary battery is characterized in that the positive electrode collector tab 7 is formed out of the positive electrode collector 20, and the negative electrode collector tab is formed out of the negative electrode collector. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高能量密度并且具有充放电循环特性优异的锂二次电池; 并提供其制造方法。解决方案：该锂二次电池设置有正极2，其通过在由导电金属箔制成的正极集电体20的表面上排列正极活性物质层23而构成; 通过在由导电性金属箔构成的负极集电体上配置含有硅的负极活性物质层而构成的负极; 设置在所述正极和所述负极之间的隔膜; 电池壳体，用于容纳通过隔板相对于正极和负极形成的圆柱形电极体，并且通过螺旋卷绕它们; 与正极集电体20连接并从电极体取出的正极集电体突片7; 与负极集电体连接并从电极体取出的负极集电体片; 和非水电解质。锂二次电池的特征在于，正极集电体突片7由正极集电体20形成，负极集电片从负极集电体形成。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007200686A The negative electrode and lithium secondary batteries for lithium secondary battery 审中-公开
标题翻译：用于锂二次电池和锂二次电池的负极
公开(公告)号：JP2007200686A
公开(公告)日：2007-08-09
申请号：JP2006017217
申请日：2006-01-26
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MINAMI HIROYUKI , FUKUI ATSUSHI , KUSUMOTO YASUYUKI
IPC分类号： H01M4/02 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/62 , H01M4/64 , H01M4/66 , H01M10/05
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To enhance charge discharge cycle characteristics by sufficiently bonding a negative mix layer with a negative current collector in a lithium secondary battery using a negative electrode in which the negative mix layer containing negative active material particles containing silicon and/or silicon alloy and a binder are formed on the surface of the negative current collector. SOLUTION: In the lithium secondary battery equipped with a positive electrode 1, a negative electrode 2 and a nonaqueous electrolyte, the negative mix layer containing the negative active material particles containing silicon and/or silicon alloy and the binder is formed on the surface of the negative current collector by baking, and the ratio of the binder in the vicinity of the negative current collector is made 2.5 times or more that in the position far from the negative current collector. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题的方案为了提高充电放电循环特性，通过在负极中充分地将负极混合层与负极集电体接合在锂二次电池中，其负极包含含有硅的负极活性物质粒子和/ 或硅合金和粘合剂形成在负极集电体的表面上。解决方案：在具有正极1，负极2和非水电解质的锂二次电池中，含有含有硅和/或硅合金的负极活性物质粒子和粘合剂的负混合层形成在负极集电体的表面，负极集电体附近的粘合剂的比例为远离负极集电体的位置的2.5倍以上。版权所有（C）2007，JPO＆INPIT

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