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公开(公告)号：US07682744B2
公开(公告)日：2010-03-23
申请号：US11231982
申请日：2005-09-22
申请人： Shouichirou Sawa , Hiroshi Minami , Atsushi Fukui , Taizou Sunano , Takuya Sunagawa , Maruo Kamino , Toshio Yanagida
发明人： Shouichirou Sawa , Hiroshi Minami , Atsushi Fukui , Taizou Sunano , Takuya Sunagawa , Maruo Kamino , Toshio Yanagida
CPC分类号： C01G51/42 , C01G45/1228 , C01G51/50 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2004/61 , C01P2006/12 , C01P2006/40 , H01M4/0404 , H01M4/386 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/021
摘要： A lithium secondary battery having high capacity and good charge-discharge cycle performance is provided. The lithium secondary battery includes a negative electrode (2) containing silicon as a negative electrode active material, a positive electrode (1) containing a positive electrode active material, and a non-aqueous electrolyte. The positive electrode active material is a lithium-transition metal composite oxide including a layered structure represented by the chemical formula LiaNixMnyCozO2, where a, x, y, and z satisfy the expressions: 0≦a≦1.3, x+y+z=1, 0
摘要翻译： 提供具有高容量和良好的充放电循环性能的锂二次电池。 锂二次电池包括含有硅作为负极活性物质的负极（2），含有正极活性物质的正极（1）和非水电解质。 正极活性物质是包含由化学式LiaNixMnyCozO2表示的层状结构的锂 - 过渡金属复合氧化物，其中a，x，y和z满足以下表达式：0＆nlE; a＆nlE; 1.3，x + y + z = 1 ，0
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公开(公告)号：US20060068290A1
公开(公告)日：2006-03-30
申请号：US11231982
申请日：2005-09-22
申请人： Shouichirou Sawa , Hiroshi Minami , Atsushi Fukui , Taizou Sunano , Takuya Sunagawa , Maruo Kamino , Toshio Yanagida
发明人： Shouichirou Sawa , Hiroshi Minami , Atsushi Fukui , Taizou Sunano , Takuya Sunagawa , Maruo Kamino , Toshio Yanagida
CPC分类号： C01G51/42 , C01G45/1228 , C01G51/50 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/54 , C01P2004/61 , C01P2006/12 , C01P2006/40 , H01M4/0404 , H01M4/386 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/052 , H01M2004/021
摘要： A lithium secondary battery having high capacity and good charge-discharge cycle performance is provided. The lithium secondary battery includes a negative electrode (2) containing silicon as a negative electrode active material, a positive electrode (1) containing a positive electrode active material, and a non-aqueous electrolyte. The positive electrode active material is a lithium-transition metal composite oxide including a layered structure represented by the chemical formula LiaNixMnyCOzO2, where a, x, y, and z satisfy the expressions: 0≦a≦1.3, x+y+z=1, 0
摘要翻译： 提供具有高容量和良好的充放电循环性能的锂二次电池。 锂二次电池包括含有硅作为负极活性物质的负极（2），含有正极活性物质的正极（1）和非水电解质。 正极活性物质是包含由化学式为Li x Mn x Mn y CO的化学式表示的层状结构的锂 - 过渡金属复合氧化物 其中a，x，y和z满足以下表达式：0 <= a <= 1.3，x + y + z = 1,0
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公开(公告)号：US20060204846A1
公开(公告)日：2006-09-14
申请号：US11372219
申请日：2006-03-10
申请人： Takuya Sunagawa , Atsushi Fukui , Taizou Sunano , Hiroshi Minami , Shouichirou Sawa , Maruo Kamino , Toshihiko Saito
发明人： Takuya Sunagawa , Atsushi Fukui , Taizou Sunano , Hiroshi Minami , Shouichirou Sawa , Maruo Kamino , Toshihiko Saito
CPC分类号： H01M10/052 , H01M2/0257 , H01M2/0275 , H01M4/02 , H01M4/131 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/58 , H01M10/0567 , H01M10/0587 , H01M2004/021 , Y02T10/7011
摘要： A lithium secondary battery is provided capable of significantly improving charge-discharge cycle performance by preventing gas generation originating from decomposition of the non-aqueous electrolyte while preventing manufacturing cost from increasing. A lithium secondary battery is provided with: a power generating element accommodated in a flexible battery case (6), the power generating element including a negative electrode (2), a positive electrode (1), and a non-aqueous electrolyte. The negative electrode contains negative electrode active material particles composed of silicon and/or a silicon alloy. The positive electrode contains a positive electrode active material composed of a lithium-transition metal composite oxide. The non-aqueous electrolyte contains ions of at least one element selected from the group consisting of Co, Cu, Mg, Mn, Ni, Fe, and Zr.
摘要翻译： 提供了一种锂二次电池，其能够通过防止来自非水电解质分解的气体产生而显着提高充放电循环性能，同时防止制造成本增加。 锂二次电池设置有容纳在柔性电池壳体（6）中的发电元件，发电元件包括负极（2），正极（1）和非水电解质。 负极含有由硅和/或硅合金构成的负极活性物质粒子。 正极含有由锂过渡金属复合氧化物构成的正极活性物质。 非水电解质含有选自Co，Cu，Mg，Mn，Ni，Fe和Zr中的至少一种元素的离子。
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公开(公告)号：US20060134517A1
公开(公告)日：2006-06-22
申请号：US11300373
申请日：2005-12-15
申请人： Shouichirou Sawa , Atsushi Fukui , Takuya Sunagawa , Maruo Kamino
发明人： Shouichirou Sawa , Atsushi Fukui , Takuya Sunagawa , Maruo Kamino
CPC分类号： H01M4/131 , H01M4/134 , H01M4/1395 , H01M4/364 , H01M4/386 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0567 , H01M2004/028
摘要： Charge-discharge cycle performance is improved in a lithium secondary battery utilizing a material containing silicon as a positive electrode active material. A lithium secondary battery includes a negative electrode (2) containing silicon as a negative electrode active material, a positive electrode (1) containing a lithium-transition metal composite oxide, and a non-aqueous electrolyte. Lithium carbonate is added in the positive electrode (1), and carbon dioxide is dissolved in the non-aqueous electrolyte.
摘要翻译： 使用含有硅作为正极活性物质的材料的锂二次电池，充放电循环性能提高。 锂二次电池包括含有硅作为负极活性物质的负极（2），含有锂 - 过渡金属复合氧化物的正极（1）和非水电解质。 在正极（1）中加入碳酸锂，二氧化碳溶解在非水电解液中。
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公开(公告)号：US20060003226A1
公开(公告)日：2006-01-05
申请号：US10531047
申请日：2004-06-04
申请人： Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
发明人： Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
CPC分类号： H01M10/052 , H01M4/0471 , H01M4/134 , H01M4/386 , H01M4/405 , H01M10/0567 , H01M10/058 , H01M2004/027 , Y10T29/49108
摘要： A rechargeable lithium battery including a negative electrode made by sintering, on a surface of a conductive metal foil as a current collector, a layer of a mixture of active material particles containing silicon and/or a silicon alloy and a binder, a positive electrode and a nonaqueous electrolyte, characterized in that the nonaqueous electrolyte contains carbon dioxide dissolved therein.
摘要翻译： 一种可再充电锂电池，包括通过烧结制成的负极，作为集电体的导电金属箔的表面，含有硅和/或硅合金和粘合剂的活性物质颗粒的混合物层，正极和 非水电解质，其特征在于，所述非水电解质含有溶解在其中的二氧化碳。
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6.发明授权公开(公告)号：US08211569B2
公开(公告)日：2012-07-03
申请号：US10531047
申请日：2004-06-04
申请人： Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
发明人： Shouichirou Sawa , Hiroshi Minami , Mariko Torimae , Atsushi Fukui , Yasuyuki Kusumoto , Katsunobu Sayama , Maruo Kamino
IPC分类号： H01M6/14 , H01M4/134 , H01M4/1395
CPC分类号： H01M10/052 , H01M4/0471 , H01M4/134 , H01M4/386 , H01M4/405 , H01M10/0567 , H01M10/058 , H01M2004/027 , Y10T29/49108
摘要： A rechargeable lithium battery including a negative electrode made by sintering, on a surface of a conductive metal foil as a current collector, a layer of a mixture of active material particles containing silicon and/or a silicon alloy and a binder, a positive electrode and a nonaqueous electrolyte, characterized in that the nonaqueous electrolyte contains carbon dioxide dissolved therein.
摘要翻译： 一种可再充电锂电池，包括通过烧结制成的负极，作为集电体的导电金属箔的表面，含有硅和/或硅合金和粘合剂的活性物质颗粒的混合物层，正极和 非水电解质，其特征在于，所述非水电解质含有溶解在其中的二氧化碳。
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公开(公告)号：US20070202365A1
公开(公告)日：2007-08-30
申请号：US11709252
申请日：2007-02-22
CPC分类号： H01M4/134 , H01M4/622 , H01M4/661 , H01M2004/021 , H01M2010/4292
摘要： In a lithium secondary battery using negative electrode active material particles containing silicon, excellent charge-discharge characteristics are achieved and swelling of the negative electrode is minimized. A lithium secondary battery has a positive electrode containing a positive electrode active material, a negative electrode containing an active material layer and a current collector made of a conductive metal foil, and a non-aqueous electrolyte. The active material layer has a binder and active material particles containing silicon, and is formed by sintering the active material layer on a current collector surface in a non-oxidizing atmosphere. The active material particles have an average particle size of from 7.5-15 μm and a particle size distribution such that 60 volume % or more of the active material particles falls within the ±40% range of the average particle size, and the lithium secondary battery has a negative/positive electrode capacity ratio of 1.7 or greater.
摘要翻译： 在使用含有硅的负极活性物质粒子的锂二次电池中，实现了优异的充放电特性，并使负极的膨胀最小化。 锂二次电池具有包含正极活性物质的正极，含有活性物质层的负极和由导电性金属箔构成的集电体和非水电解质。 活性物质层具有粘合剂和含有硅的活性物质颗粒，并且通过在非氧化性气氛中在集电体表面上烧结活性物质层而形成。 活性物质粒子的平均粒径为7.5〜15μm，粒径分布为60体积％以上的活性物质粒子落入平均粒径的±40％范围内，锂二次电池 负极/正极容量比为1.7以上。
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公开(公告)号：US20090061311A1
公开(公告)日：2009-03-05
申请号：US11887144
申请日：2006-02-03
CPC分类号： H01M4/62 , H01M4/134 , H01M4/386 , H01M10/052 , H01M10/44 , H01M2004/021
摘要： An object of the invention is to provide a non-aqueous electrolyte secondary battery that allows a good charge/discharge cycle characteristic to be obtained. The non-aqueous electrolyte secondary battery according to the invention includes a negative electrode containing silicon as a negative electrode active material, a positive electrode, and a non-aqueous electrolyte, the average particle size of the negative electrode active material is not less than 5 μm nor more than 20 μm, and the weight of the negative electrode active material is at least 10% of the weight of the non-aqueous electrolyte.
摘要翻译： 本发明的目的是提供一种能够获得充分/放电循环特性良好的非水电解质二次电池。 根据本发明的非水电解质二次电池包括含有硅作为负极活性物质的负极，正极和非水电解质，负极活性物质的平均粒径不小于5 妈妈也不超过20个，负极活性物质的重量为非水电解质重量的至少10重量％。
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