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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：US07943254B2
公开(公告)日：2011-05-17
申请号：US11684871
申请日：2007-03-12
IPC分类号： H01M4/62
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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公开(公告)号：US20080206651A1
公开(公告)日：2008-08-28
申请号：US12031799
申请日：2008-02-15
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： H01M10/0525 , H01M4/0402 , H01M4/0452 , H01M4/0471 , H01M4/134 , H01M4/1395 , H01M4/386 , H01M4/8657
摘要： A battery having a high charge and discharge efficiency is provided. An anode being provided with an anode active material layer on an anode current collector, in which the anode active material layer contains silicon as an anode active material and includes a compound film having Si—O bond and Si—N bond on at least part of the surface of the anode active material layer.
摘要翻译： 提供具有高充放电效率的电池。 阳极在阳极集电器上设置有阳极活性材料层，其中负极活性材料层含有硅作为负极活性材料，并且包括在至少一部分上具有Si-O键和Si-N键的化合物膜 阳极活性物质层的表面。
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公开(公告)号：US20100159337A1
公开(公告)日：2010-06-24
申请号：US12643450
申请日：2009-12-21
申请人： Koichi Matsumoto , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Takakazu Hirose , Takashi Fujinaga
发明人： Koichi Matsumoto , Kenichi Kawase , Isamu Konishiike , Shunsuke Kurasawa , Masayuki Iwama , Takakazu Hirose , Takashi Fujinaga
IPC分类号： H01M10/0564 , H01M4/02 , H01M4/38 , H01M4/52 , H01M4/42 , H01M10/056
CPC分类号： H01M10/0567 , H01M4/13 , H01M4/131 , H01M4/134 , H01M4/139 , H01M4/366 , H01M4/38 , H01M4/386 , H01M10/0525 , H01M10/4235
摘要： A secondary battery is provided that is capable of improving the cycle characteristics. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated into a separator provided between the cathode and the anode. In the anode, an anode active material layer and a compound layer are provided on both faces of an anode current collector. The anode active material layer contains a plurality of anode active material particles. The anode active material particles have a multilayer structure of an anode active material containing silicon as an element. The thickness of each layer in the multilayer structure ranges from 50 nm to 1050 nm. Thus, contact characteristics between each layer, contact characteristics between the anode active material layer and the anode current collector, and current collectivity are improved.
摘要翻译： 提供能够改善循环特性的二次电池。 二次电池包括阴极，阳极和电解液。 将电解液浸渍到设置在阴极和阳极之间的隔膜中。 在阳极中，阳极集电体的两面设有阳极活性物质层和化合物层。 负极活性物质层含有多个负极活性物质粒子。 负极活性物质粒子具有以硅为元素的负极活性物质的多层结构。 多层结构中的各层的厚度为50nm〜1050nm。 因此，提高了各层之间的接触特性，阳极活性物质层与负极集电体之间的接触特性以及集电性。
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公开(公告)号：US07655359B2
公开(公告)日：2010-02-02
申请号：US11610188
申请日：2006-12-13
IPC分类号： H01M4/64
CPC分类号： H01M10/0587 , H01M2/0257 , H01M4/02 , H01M4/62 , H01M10/0525 , H01M10/058 , H01M2004/021 , H01M2010/4292
摘要： A secondary battery having a feature in which a positive electrode, a negative electrode and electrolyte are provided; the negative electrode includes a negative electrode active material layer which is alloying at least at a portion of a boundary face with a negative electrode current collector; an approximately tabular electrode body structure is formed by a constitution in which a laminated body of the lamellar positive electrode and the lamellar negative electrode is wound or folded; and in the approximately tabular electrode body structure, relation of B≦1.5A is satisfied when length in a perpendicular direction with respect to a bended portion of the laminated body is made to be A and length in a parallel direction with respect to the bended portion of the laminated body is made to be B.
摘要翻译： 具有正极，负极和电解质的特征的二次电池; 负极包括至少在与负极集电体的界面的一部分合金化的负极活性物质层; 通过卷绕或折叠层状正极和层状负极的层叠体的结构形成大致平板状的电极体结构体， 并且在大致平板状的电极体结构中，当相对于层叠体的弯曲部的垂直方向的长度为A且相对于弯曲的平行方向的长度，满足B <= 1.5A的关系 层压体的部分为B.
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公开(公告)号：US08173299B2
公开(公告)日：2012-05-08
申请号：US13038015
申请日：2011-03-01
IPC分类号： H01M4/58
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 the 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，其中负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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公开(公告)号：US20110151326A1
公开(公告)日：2011-06-23
申请号：US13038015
申请日：2011-03-01
IPC分类号： H01M4/58
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 the 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，其中负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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公开(公告)号：US20070154806A1
公开(公告)日：2007-07-05
申请号：US11610188
申请日：2006-12-13
CPC分类号： H01M10/0587 , H01M2/0257 , H01M4/02 , H01M4/62 , H01M10/0525 , H01M10/058 , H01M2004/021 , H01M2010/4292
摘要： A secondary battery having a feature in which a positive electrode, a negative electrode and electrolyte are provided; the negative electrode includes a negative electrode active material layer which is alloying at least at a portion of a boundary face with a negative electrode current collector; an approximately tabular electrode body structure is formed by a constitution in which a laminated body of the lamellar positive electrode and the lamellar negative electrode is wound or folded; and in the approximately tabular electrode body structure, relation of B≦1.5A is satisfied when length in a perpendicular direction with respect to a bended portion of the laminated body is made to be A and length in a parallel direction with respect to the bended portion of the laminated body is made to be B.
摘要翻译： 具有正极，负极和电解质的特征的二次电池; 负极包括至少在与负极集电体的界面的一部分合金化的负极活性物质层; 通过卷绕或折叠层状正极和层状负极的层叠体的结构形成大致平板状的电极体结构体， 并且在大致平板状的电极体结构中，当相对于层叠体的弯曲部的垂直方向的长度为A且相对于弯曲的平行方向的长度，满足B <= 1.5A的关系 层压体的部分为B.
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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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