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公开(公告)号：US08197969B2
公开(公告)日：2012-06-12
申请号：US12132950
申请日：2008-06-04
申请人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
发明人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
IPC分类号： H01M4/13
CPC分类号： H01M4/386 , H01M2/0285 , H01M4/134 , H01M4/364 , H01M4/366 , H01M4/483 , H01M4/64 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M2004/021
摘要： A battery capable of improving cycle characteristics and a manufacturing yield is provided. An anode includes: an anode current collector; and an anode active material layer arranged on the anode current collector, in which the anode active material layer includes an anode active material including a plurality of pores, and the rate of change in the amount of mercury intruded into the plurality of pores is distributed so as to have a peak in a diameter range from 80 nm to 1200 nm both inclusive, the amount of mercury intruded being measured by mercury porosimetry.
摘要翻译： 提供能够改善循环特性和制造成品率的电池。 阳极包括：阳极集电器; 负极活性物质层配置在阳极集电体上，其中负极活性物质层包括具有多个孔的负极活性物质，并且分散入多个孔的汞的变化率分布为 为了在80nm〜1200nm的直径范围内具有峰值，通过水银孔率法测定入侵的汞的量。
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公开(公告)号：US09112238B2
公开(公告)日：2015-08-18
申请号：US11684880
申请日：2007-03-12
CPC分类号： H01M10/0525 , H01M2/022 , H01M2/0222 , H01M4/0423 , H01M4/13 , H01M4/131 , H01M4/139 , H01M4/485 , H01M4/582 , H01M10/0431 , H01M2004/021 , H01M2220/30 , H01M2300/004 , Y02E60/122
摘要： An anode capable of preventing expansion of an anode active material layer and a battery using it are provided. The anode includes an anode current collector, and an anode active material layer containing silicon (Si) as an element, wherein the anode active material layer therein contains at least one selected from the group consisting of a fluoride of an alkali metal and a fluoride of an alkali earth metal.
摘要翻译： 提供能够防止阳极活性物质层膨胀的阳极和使用其的电池。 阳极包括阳极集电体和含有硅（Si）作为元素的负极活性物质层，其中阳极活性物质层中含有选自碱金属氟化物和氟化物中的至少一种 碱土金属。
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公开(公告)号：US08940441B2
公开(公告)日：2015-01-27
申请号：US11695952
申请日：2007-04-03
CPC分类号： H01M10/0525 , H01M4/04 , H01M4/0419 , H01M4/0421 , H01M4/0452 , H01M4/0471 , H01M4/134 , H01M4/1395 , H01M4/661 , H01M10/058
摘要： An anode capable of relaxing the stress due to expansion and shrinkage and a battery using the anode are provided. In the anode, an anode active material layer containing at least one of silicon and tin as an element is provided on both faces of a strip-shaped anode current collector. In the anode current collector and the anode active material layer, at least one penetrating portion that is cut out or slit to penetrate the anode current collector and the anode active material layer is formed to extend to include a longitudinal component of the anode current collector.
摘要翻译： 提供了能够缓和由于膨胀和收缩引起的应力以及使用阳极的电池的阳极。 在阳极中，在带状阳极集电体的两个面上设置含有作为元素的硅和锡中的至少一种的负极活性物质层。 在阳极集电体和负极活性物质层中，形成为将阳极集电体和阳极活性物质层切断或切开以穿透阳极集电体和阳极活性物质层的至少一个贯通部，以延伸至阳极集电体的纵向分量。
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公开(公告)号：US08383267B2
公开(公告)日：2013-02-26
申请号：US12468975
申请日：2009-05-20
申请人： Isamu Konishiike , Kotaro Satori , Kenichi Kawase , Shunsuke Kurasawa , Koichi Matsumoto , Takakazu Hirose , Masayuki Iwama , Takashi Fujinaga
发明人： Isamu Konishiike , Kotaro Satori , Kenichi Kawase , Shunsuke Kurasawa , Koichi Matsumoto , Takakazu Hirose , Masayuki Iwama , Takashi Fujinaga
IPC分类号： H01M4/58
CPC分类号： H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/5825 , H01M4/587 , H01M10/052 , H01M10/0568 , H01M10/0569
摘要： A secondary battery having high cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte. In the anode, an anode active material layer containing silicon, carbon, and oxygen as an anode active material is provided on an anode current collector. In the anode active material, a content of carbon is from 0.2 atomic % to 10 atomic % both inclusive, and a content of oxygen is from 0.5 atomic % to 40 atomic % both inclusive. A ratio from 0.1% to 17.29% both inclusive of the silicon contained in the anode active material exists as Si—C bond.
摘要翻译： 提供具有高循环特性的二次电池。 二次电池包括阴极，阳极和电解质。 在阳极中，在阳极集电体上设置含有硅，碳和氧作为负极活性物质的负极活性物质层。 在负极活性物质中，碳含量为0.2原子％以上10原子％以下，氧含量为0.5原子％以上且40原子％以下。 存在负极活性物质中所含的硅的0.1％〜17.29％的比例，作为Si-C键存在。
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公开(公告)号：US20090148778A1
公开(公告)日：2009-06-11
申请号：US12326210
申请日：2008-12-02
申请人： Kenichi Kawase , Koichi Matsumoto , Hideki Nakai , Masayuki Iwama , Akinori Kita , Shunsuke Kurasawa , Isamu Konishiike , Takakazu Hirose
发明人： Kenichi Kawase , Koichi Matsumoto , Hideki Nakai , Masayuki Iwama , Akinori Kita , Shunsuke Kurasawa , Isamu Konishiike , Takakazu Hirose
CPC分类号： H01M10/052 , H01M2/0212 , H01M4/134 , H01M4/58 , H01M10/0431 , H01M10/0568 , H01M10/0569
摘要： A battery having a high charge and discharge efficiency in which a spirally wound electrode body having a lamination structure of a cathode, an anode 80, and a separator is contained in a battery can. The anode has a structure in which an anode active material layer is provided on an anode current collector. The anode active material layer has a plurality of anode active material particles containing silicon, and the surface of the anode active material particles is covered with a compound film having a Si—O bond and a Si—N bond. Therefore, chemical stability of the anode is improved, and decomposition of an electrolytic solution can be prevented.
摘要翻译： 具有高电荷和放电效率的电池，其中具有阴极，阳极80和隔膜的叠层结构的螺旋缠绕的电极体包含在电池罐中。 阳极具有负极活性物质层设置在阳极集电体上的结构。 负极活性物质层具有含有硅的多个负极活性物质粒子，阳极活性物质粒子的表面被具有Si-O键和Si-N键的化合物膜覆盖。 因此，提高了阳极的化学稳定性，能够防止电解液的分解。
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公开(公告)号：US07494743B2
公开(公告)日：2009-02-24
申请号：US11533970
申请日：2006-09-21
IPC分类号： H01M4/58
CPC分类号： H01M4/623 , H01M4/0404 , H01M4/0421 , H01M4/134 , H01M4/60 , H01M4/621 , H01M10/052
摘要： An anode capable of relaxing internal stress and thereby preventing deformation and a battery using it are provided. An anode provided with an anode active material layer is formed on an anode current collector. The anode active material layer has active material particles containing silicon (Si) as an element, and at least some of the active material particles contain a polymer component in the particle.
摘要翻译： 提供能够缓和内部应力并从而防止变形的阳极和使用它的电池。 设置有阳极活性物质层的阳极形成在阳极集电体上。 阳极活性物质层具有含有硅（Si）作为元素的活性物质粒子，并且至少一部分活性物质粒子在粒子中含有聚合物成分。
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公开(公告)号：US20080305395A1
公开(公告)日：2008-12-11
申请号：US12133000
申请日：2008-06-04
申请人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
发明人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
CPC分类号： H01M4/386 , H01M2/0217 , H01M2/022 , H01M2/0257 , H01M4/0404 , H01M4/045 , H01M4/049 , H01M4/134 , H01M4/1395 , H01M4/362 , H01M4/366 , H01M4/38 , H01M4/483 , H01M6/164 , H01M10/0525 , H01M10/0568 , H01M10/0569 , H01M2004/021 , H01M2004/027 , H01M2220/30 , H01M2300/0034 , Y02E60/122
摘要： A battery capable of improving cycle characteristics is provided. An anode includes: an anode current collector, and an anode active material layer arranged on the anode current collector, in which the anode active material layer includes an anode active material including silicon (Si), and including a pore group with a diameter ranging from 3 nm to 50 nm both inclusive, and the volumetric capacity per unit weight of silicon of the pore group with a diameter ranging from 3 nm to 50 nm both inclusive is 0.2 cm3/g or less, the volumetric capacity being measured by mercury porosimetry using a mercury porosimeter.
摘要翻译： 提供了能够改善循环特性的电池。 阳极包括：阳极集电器和布置在阳极集电器上的负极活性材料层，其中阳极活性材料层包括包含硅（Si）的负极活性材料，并且包括直径范围从 3nm〜50nm，含有3nm〜50nm的孔群的单位面积重量的硅的体积容量为0.2cm 3 / g以下，通过使用水银孔率法测定的体积容量 一个水银孔率计。
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公开(公告)号：US20080305391A1
公开(公告)日：2008-12-11
申请号：US12132950
申请日：2008-06-04
申请人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
发明人： Takakazu Hirose , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Koichi Matsumoto
CPC分类号： H01M4/386 , H01M2/0285 , H01M4/134 , H01M4/364 , H01M4/366 , H01M4/483 , H01M4/64 , H01M10/052 , H01M10/0568 , H01M10/0569 , H01M2004/021
摘要： A battery capable of improving cycle characteristics and a manufacturing yield is provided. An anode includes: an anode current collector; and an anode active material layer arranged on the anode current collector, in which the anode active material layer includes an anode active material including a plurality of pores, and the rate of change in the amount of mercury intruded into the plurality of pores is distributed so as to have a peak in a diameter range from 80 nm to 1200 nm both inclusive, the amount of mercury intruded being measured by mercury porosimetry.
摘要翻译： 提供能够改善循环特性和制造成品率的电池。 阳极包括：阳极集电器; 负极活性物质层配置在阳极集电体上，其中负极活性物质层包括具有多个孔的负极活性物质，并且分散入多个孔的汞的变化率分布为 为了在80nm〜1200nm的直径范围内具有峰值，通过水银孔率法测定入侵的汞的量。
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公开(公告)号：US20080176133A1
公开(公告)日：2008-07-24
申请号：US11695952
申请日：2007-04-03
CPC分类号： H01M10/0525 , H01M4/04 , H01M4/0419 , H01M4/0421 , H01M4/0452 , H01M4/0471 , H01M4/134 , H01M4/1395 , H01M4/661 , H01M10/058
摘要： An anode capable of relaxing the stress due to expansion and shrinkage and a battery using the anode are provided. In the anode, an anode active material layer containing at least one of silicon and tin as an element is provided on both faces of a strip-shaped anode current collector. In the anode current collector and the anode active material layer, at least one penetrating portion that is cut out or slit to penetrate the anode current collector and the anode active material layer is formed to extend to include a longitudinal component of the anode current collector.
摘要翻译： 提供了能够缓和由于膨胀和收缩引起的应力以及使用阳极的电池的阳极。 在阳极中，在带状阳极集电体的两个面上设置含有作为元素的硅和锡中的至少一种的负极活性物质层。 在阳极集电体和负极活性物质层中，形成为将阳极集电体和阳极活性物质层切断或切开以穿透阳极集电体和阳极活性物质层的至少一个贯通部，以延伸至阳极集电体的纵向分量。
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公开(公告)号：US20080176132A1
公开(公告)日：2008-07-24
申请号：US11684871
申请日：2007-03-12
CPC分类号： H01M4/38 , H01M4/0421 , H01M4/134 , H01M4/364 , H01M4/366 , H01M4/386 , H01M10/0525
摘要： An anode capable of relaxing the stress concentration and improving the characteristics and a battery using it are provided. The anode includes an anode current collector and an anode active material layer containing silicon (Si) as an element, wherein an anode active material layer has a metal element increasing and decreasing region in which a metal element is contained as an element, and a concentration of the metal element is increased and then decreased in a thickness direction.
摘要翻译： 提供能够缓和应力集中和提高特性的阳极和使用它的电池。 阳极包括阳极集电体和含有硅（Si）作为元素的负极活性物质层，其中阳极活性物质层具有金属元素增加和减少的区域，其中含有金属元素作为元素，并且浓度 的金属元素增加，然后在厚度方向上减小。
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