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    Ionic conduction structural member, secondary battery and method of producing same
    22.
    发明申请
    Ionic conduction structural member, secondary battery and method of producing same 审中-公开
    离子导电结构件，二次电池及其制造方法

    公开(公告)号：US20050019668A1

    公开(公告)日：2005-01-27

    申请号：US10872419

    申请日：2004-06-22

    申请人： Tomoya Yamamoto ,  Soichiro Kawakami ,  Toshifumi Akasaka

    发明人： Tomoya Yamamoto ,  Soichiro Kawakami ,  Toshifumi Akasaka

    IPC分类号： H01B1/06 ,  C08J5/22 ,  H01B1/12 ,  H01B13/00 ,  H01M4/139 ,  H01M4/38 ,  H01M4/62 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/40 ,  H01M4/58

    CPC分类号： C08J5/2231 ,  C08J2323/04 ,  C08J2323/10 ,  H01B1/122 ,  H01M4/13 ,  H01M4/485 ,  H01M4/587 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2300/0082

    摘要： An ionic conduction structural member with a high ionic conductivity and a high charge/discharge efficiency and a secondary battery using the same are provided. The ionic conduction structural member comprises a polymer matrix, a solvent as a plasticizer and an electrolyte, wherein the polymer matrix comprises a polymer chain comprising a segment represented by the following general formula (1) and a segment represented by the following general formula (2): (wherein R1, R2, R4 and R5 are independently H or an alkyl group of 2 or less carbon atoms; R3 and R6 are independently an alkyl group of 4 or less carbon atoms; one of A and B is a group comprising —(CH2—CH2—O)m— and the other is a group comprising —(CH2—CH(CH3)—O)n—, A and B each forming a block; X is a group comprising —(CH2—CH2—O)k—; m and n are independently an integer of 3 or more; and k is an integer of 1 or more), and wherein a main chain part of the polymer chain and the side chain part of the general formula (1) have an orientation property and a crosslinked structure.

    摘要翻译： 提供具有高离子导电性和高充电/放电效率的离子导电结构构件和使用其的二次电池。 离子导电结构构件包括聚合物基质，作为增塑剂的溶剂和电解质，其中聚合物基质包含聚合物链，其包含由以下通式（1）表示的链段和由以下通式（2）表示的链段 ）：（其中R 1，R 2，R 4和R 5独立地是H或2个或更少碳原子的烷基; R 3和R 6独立地是烷基 4个或更少碳原子的基团; A和B之一是包含 - （CH 2 -CH 2 -O）m - 并且另一个是包含 - （CH 2 -CH（CH 3）-O）n - ，A和 B，各自形成嵌段; X为包含 - （CH 2 -CH 2 -O）k - ; m和n分别为3以上的整数，k为1以上的整数），其中，主链 聚合物链的一部分和通式（1）的侧链部分具有取向性和交联结构。

    POWDER MATERIAL, ELECTRODE STRUCTURE USING THE POWDER MATERIAL, AND ENERGY STORAGE DEVICE HAVING THE ELECTRODE STRUCTURE
    24.
    发明申请
    POWDER MATERIAL, ELECTRODE STRUCTURE USING THE POWDER MATERIAL, AND ENERGY STORAGE DEVICE HAVING THE ELECTRODE STRUCTURE 审中-公开
    粉末材料，使用粉末材料的电极结构和具有电极结构的能量存储装置

    公开(公告)号：US20110084229A1

    公开(公告)日：2011-04-14

    申请号：US12957242

    申请日：2010-11-30

    申请人： Soichiro Kawakami ,  Hidetoshi Tsuzuki ,  Toshiaki Aiba ,  Rie Ueno ,  Masatoshi Watanabe

    发明人： Soichiro Kawakami ,  Hidetoshi Tsuzuki ,  Toshiaki Aiba ,  Rie Ueno ,  Masatoshi Watanabe

    IPC分类号： H01M4/48 ,  H01M4/88

    CPC分类号： H01M4/38 ,  H01G9/155 ,  H01M4/02 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/13

    摘要： A powder material which can electrochemically store and release lithium ions rapidly in a large amount is provided. In addition, an electrode structure for an energy storage device which can provide a high energy density and a high power density and has a long life, and an energy storage device using the electrode structure are provided. In a powder material which can electrochemically store and release lithium ions, the surface of particles of one of silicon metal and tin metal and an alloy of any thereof is coated by an oxide including a transition metal element selected from the group consisting of W, Ti, Mo, Nb, and V as a main component. The electrode structure includes the powder material. The battery device includes a negative electrode having the electrode structure, a lithium ion conductor, and a positive electrode, and utilizes an oxidation reaction of lithium and a reduction reaction of lithium ion.

    摘要翻译： 提供了能够迅速电化学地储存和释放锂离子的粉末材料。 另外，提供了能够提供高能量密度和高功率密度并且具有长寿命的能量存储装置的电极结构，以及使用该电极结构的能量存储装置。 在可以电化学地储存和释放锂离子的粉末材料中，硅金属和锡金属之一的颗粒的表面及其任一种的合金的表面被包括选自W，Ti ，Mo，Nb和V为主要成分。 电极结构包括粉末材料。 电池装置包括具有电极结构的负极，锂离子导体和正极，并且利用锂的氧化反应和锂离子的还原反应。

    ELECTRODE STRUCTURE AND ELECTRIC ENERGY STORAGE DEVICE
    25.
    发明申请
    ELECTRODE STRUCTURE AND ELECTRIC ENERGY STORAGE DEVICE 审中-公开
    电极结构和电力储存装置

    公开(公告)号：US20110052985A1

    公开(公告)日：2011-03-03

    申请号：US12940758

    申请日：2010-11-05

    申请人： Akio Kashiwazaki ,  Soichiro Kawakami

    发明人： Akio Kashiwazaki ,  Soichiro Kawakami

    IPC分类号： H01M4/40 ,  H01M4/58 ,  H01M4/62 ,  H01M4/48

    CPC分类号： H01G11/24 ,  H01G11/28 ,  H01G11/38 ,  H01G11/46 ,  H01M4/134 ,  H01M4/386 ,  H01M4/387 ,  H01M4/621 ,  H01M10/052 ,  Y02E60/13

    摘要： Provided is an electrode structure having a high power density and being superior in repetitive charge/discharge efficiency and an electric energy storage device using the electrode structure. The electrode structure includes an electrode material layer including an electrode material including active material particles containing at least one of silicon, tin and alloys containing at least one of them, and a binder binding the active material particles, the binder has the following characteristics: tensile modulus: 2000 MPa or more, breaking strength: 100 MPa or more, break elongation: 20% to 120% and the ratio of breaking strength/break elongation >1.4 (MPa/%), and an average particle size of the particles is 0.5 μm or less, the electrode structure has a maximum thermal history temperature less than 350° C. and lower than the glass transition temperature of the binder. The electric energy storage device uses, as its negative electrode, the electrode structure.

    摘要翻译： 提供了具有高功率密度并且重复充电/放电效率优异的电极结构和使用该电极结构的电能存储装置。 电极结构包括电极材料层，其包括电极材料，其包括含有至少一种硅，锡和含有至少一种硅的合金的活性物质颗粒和粘合活性物质颗粒的粘合剂，粘合剂具有以下特征：拉伸 模量：2000MPa以上，断裂强度：100MPa以上，断裂伸长率：20〜120％，断裂强度/断裂伸长率的比率（1.4）（MPa /％），粒子的平均粒径为0.5 μm以下，电极结构的最大热历史温度低于350℃，低于粘合剂的玻璃化转变温度。 蓄电装置使用电极结构作为负极。

    Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery
    28.
    发明授权
    Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery 失效
    可再充电锂电池的阳极用电极材料，使用所述电极材料的电极结构体，使用所述电极结构体的可再充电锂电池，所述电极结构体的制造方法以及所述可再充电锂电池的制造方法

    公开(公告)号：US07534528B2

    公开(公告)日：2009-05-19

    申请号：US11544713

    申请日：2006-10-10

    申请人： Soichiro Kawakami ,  Masaya Asao

    发明人： Soichiro Kawakami ,  Masaya Asao

    IPC分类号： H01M4/58

    CPC分类号： H01M4/40 ,  C22C13/00 ,  C22C45/00 ,  H01M4/02 ,  H01M4/0404 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/405 ,  H01M4/66 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/027

    摘要： An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X , A indicates at least one kind of an element selected from a group consisting of transition metal elements, X indicates at least one kind of an element selected from a group consisting of O, F, N, Mg, Ba, Sr, Ca, La, Ce, Si, Ge, C, P, B, Pb, Bi, Sb, Al, Ga, In, Tl, Zn, Be, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, As, Se, Te, Li and S, where the element X is not always necessary to be contained. The content of the constituent element Sn of the amorphous Sn.A.X alloy is Sn/(Sn+A+X)=20 to 80 atomic %. An electrode structural body for a rechargeable lithium battery, comprising said electrode material for an anode and a collector comprising a material incapable of being alloyed with lithium in electrochemical reaction, and a rechargeable lithium battery having an anode comprising said electrode structural body.

    摘要翻译： 一种用于可再充电锂电池的阳极的电极材料，其包含具有基本上非化学计量比组成的非晶态Sn.A.X合金的颗粒。 对于所述式Sn.AX，A表示选自过渡金属元素中的至少一种元素，X表示选自O，F，N，Mg，Ba中的至少一种元素 ，Sr，Ca，La，Ce，Si，Ge，C，P，B，Pb，Bi，Sb，Al，Ga，In，Tl，Zn，Be，Pr，Nd，Sm，Eu，Gd，Tb，Dy ，Ho，Er，Tm，Yb，Lu，As，Se，Te，Li和S，其中元素X不总是必须包含。 非晶态Sn.A.X合金的构成元素Sn的含量为Sn /（Sn + A + X）= 20〜80原子％。 一种用于可再充电锂电池的电极结构体，包括用于阳极的所述电极材料和集电器，其包括在电化学反应中不能与锂合金的材料，以及具有包括所述电极结构体的阳极的可再充电锂电池。

    Electrode material for lithium secondary battery, electrode structure comprising the electrode material and secondary battery comprising the electrode structure
    30.
    发明授权
    Electrode material for lithium secondary battery, electrode structure comprising the electrode material and secondary battery comprising the electrode structure 失效

    公开(公告)号：US07425285B2

    公开(公告)日：2008-09-16

    申请号：US11797114

    申请日：2007-05-01

    申请人： Masaya Asao ,  Soichiro Kawakami ,  Takao Ogura

    发明人： Masaya Asao ,  Soichiro Kawakami ,  Takao Ogura

    IPC分类号： H01B1/04

    CPC分类号： H01M4/134 ,  H01M4/1395 ,  H01M4/386 ,  H01M4/405 ,  H01M10/0525

    摘要： There are provided an electrode material for a lithium secondary battery which comprises alloy particles comprising silicon as a major component and having an average particle diameter of 0.02 μm to 5 μm, wherein the size of a crystallite of the alloy is not less than 2 nm but no more than 500 nm and an intermetallic compound containing at least tin is dispersed in a silicon phase and an electrode material for a lithium secondary battery which comprises alloy particles comprising silicon as a major component and having an average particle diameter of 0.02 μm to 5 μm, wherein the size of a crystallite of the alloy is not less than 2 nm but no more than 500 nm and an at least one intermetallic compound containing at least one element selected from the group consisting of aluminum, zinc, indium, antimony, bismuth and lead is dispersed in a silicon phase. Thereby, an electrode material for a lithium secondary battery, an electrode structure comprising the electrode material and a secondary battery comprising the electrode structure are provided in which a drop in capacity due to repeated charging/discharging is small, and the charge/discharge cycle life is improved.