Negative Electrode Material for Lithium Battery, and Lithium Battery
    1.
    发明申请
    Negative Electrode Material for Lithium Battery, and Lithium Battery 审中-公开
    锂电池负极材料和锂电池

    公开(公告)号:US20070275302A1

    公开(公告)日:2007-11-29

    申请号:US10585205

    申请日:2004-12-28

    IPC分类号: H01M4/62 H01M4/58

    摘要: The present invention relates to a negative electrode material for a lithium battery characterized by comprising a carbonaceous negative electrode active substance having a specific surface area of 1 m2/g or more, a binder formed of styrene-butadiene rubber and a carbon fiber having a fiber diameter of 1 to 1,000 nm; and to a lithium battery using the negative electrode material, which has excellent characteristics, i.e., low electrode resistance, high electrode strength, excellent electrolytic solution permeability, high energy density, and good high-speed charging/discharging performance. The negative electrode material contains carbon fiber in the amount of 0.05 to 20 mass % and the binder formed of styrene-butadiene rubber in 0.1 to 6.0 mass %, and may further contain a thickner such as carboxymethyl cellulose in the amount of 0.3 to 3 mass %.

    摘要翻译: 本发明涉及一种锂电池用负极材料,其特征在于,具有比表面积为1m 2 / g以上的碳质负极活性物质,由苯乙烯 - 丁二烯 橡胶和纤维直径为1〜1000nm的碳纤维; 并且使用具有优异的特性,即低电极电阻,高电极强度,优异的电解液渗透性,高能量密度和良好的高速充电/放电性能的负极材料的锂电池。 负极材料含有0.05〜20质量%的碳纤维和0.1〜6.0质量%的苯乙烯 - 丁二烯橡胶形成的粘合剂,还可以含有0.3〜3质量%的羧甲基纤维素等增稠剂 %。

    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM BATTERY, AND LITHIUM BATTERY
    2.
    发明申请
    NEGATIVE ELECTRODE MATERIAL FOR LITHIUM BATTERY, AND LITHIUM BATTERY 有权
    用于锂电池的负极电极材料和锂电池

    公开(公告)号:US20110193014A1

    公开(公告)日:2011-08-11

    申请号:US13089588

    申请日:2011-04-19

    IPC分类号: H01M4/38 H01M4/62 B82Y99/00

    摘要: The present invention relates to a negative electrode material for a lithium battery comprising a carbonaceous negative electrode active substance having a specific surface area of 1 m2/g or more, a binder formed of styrene-butadiene rubber and a carbon fiber having a fiber diameter of 1 to 1,000 nm; and to a lithium battery using the negative electrode material, which has excellent characteristics, i.e., low electrode resistance, high electrode strength, excellent electrolytic solution permeability, high energy density, and good high-speed charging/discharging performance. The negative electrode material contains carbon fiber in the amount of 0.05 to 20 mass % and the binder formed of styrene-butadiene rubber in 0.1 to 6.0 mass %, and may further contain a thickener such as carboxymethyl cellulose in the amount of 0.3 to 3 mass %.

    摘要翻译: 本发明涉及锂电池用负极材料,其包含比表面积为1m 2 / g以上的碳质负极活性物质,由苯乙烯 - 丁二烯橡胶和纤维直径为 1〜1000nm; 并且使用具有优异的特性,即低电极电阻,高电极强度,优异的电解液渗透性,高能量密度和良好的高速充电/放电性能的负极材料的锂电池。 负极材料含有0.05〜20质量%的碳纤维和0.1〜6.0质量%的苯乙烯 - 丁二烯橡胶形成的粘合剂,还可以含有0.3〜3质量%的羧甲基纤维素等增稠剂 %。

    Negative electrode material for lithium battery, and lithium battery
    3.
    发明授权
    Negative electrode material for lithium battery, and lithium battery 有权
    锂电池负极材料和锂电池

    公开(公告)号:US08388922B2

    公开(公告)日:2013-03-05

    申请号:US13089588

    申请日:2011-04-19

    IPC分类号: H01M4/04 H01M4/583 H01M4/62

    摘要: The present invention relates to a negative electrode material for a lithium battery comprising a carbonaceous negative electrode active substance having a specific surface area of 1 m2/g or more, a binder formed of styrene-butadiene rubber and a carbon fiber having a fiber diameter of 1 to 1,000 nm; and to a lithium battery using the negative electrode material, which has excellent characteristics, i.e., low electrode resistance, high electrode strength, excellent electrolytic solution permeability, high energy density, and good high-speed charging/discharging performance. The negative electrode material contains carbon fiber in the amount of 0.05 to 20 mass % and the binder formed of styrene-butadiene rubber in 0.1 to 6.0 mass %, and may further contain a thickener such as carboxymethyl cellulose in the amount of 0.3 to 3 mass %.

    摘要翻译: 本发明涉及锂电池用负极材料,其包含比表面积为1m 2 / g以上的碳质负极活性物质,由苯乙烯 - 丁二烯橡胶和纤维直径为 1〜1000nm; 并且使用具有优异的特性,即低电极电阻,高电极强度,优异的电解液渗透性,高能量密度和良好的高速充电/放电性能的负极材料的锂电池。 负极材料含有0.05〜20质量%的碳纤维和0.1〜6.0质量%的苯乙烯 - 丁二烯橡胶形成的粘合剂,还可以含有0.3〜3质量%的羧甲基纤维素等增稠剂 %。

    Binder composition for electric double layer capacitor electrode
    4.
    发明授权
    Binder composition for electric double layer capacitor electrode 有权
    双层电容电极用粘结剂组合物

    公开(公告)号:US07897281B2

    公开(公告)日:2011-03-01

    申请号:US10549480

    申请日:2004-03-17

    摘要: The present invention provides a new binder composition for an electrode for an electric double layer capacitor which comprises a binder good in binding force and excellent in heat resistance, an electrode for an electric double layer capacitor having this binder, and an electric double layer capacitor which is high in capacity and is electrochemically stable by use of a binder composition for an electrode for an electric double layer capacitor comprising a binder polymer and water, wherein said binder polymer comprises: 50 to 98% by mole of monomer units (a) derived from a compound represented by the following general formula: CH2═CR1—COOR2 (1) wherein R1 represents a hydrogen atom or an alkyl group, and R2 represents an alkyl group having 2 to 18 carbon atoms or a cycloalkyl group having 3 to 18 carbon atoms, 1 to 30% by mole of monomer units (b) derived from an α,β-ethylenically unsaturated nitrile compound, and 0.1 to 10% by mole of monomer units (c) derived from a multifunctional ethylenically unsaturated carboxylic acid ester; has a glass transition temperature from −80 to 0° C.

    摘要翻译: 本发明提供了一种双电层电容器用电极用粘合剂组合物,其具有粘合力良好,耐热性优异的粘合剂,具有该粘合剂的双电层电容器用电极和双电层电容器 通过使用包含粘合剂聚合物和水的双电层电容器用电极用粘合剂组合物,其电容量高,电化学稳定,其中所述粘合剂聚合物包含:50〜98摩尔%的单体单元(a) 由下列通式表示的化合物:CH2 = CR1-COOR2(1)其中R1表示氢原子或烷基,R2表示碳原子数2〜18的烷基或碳原子数3〜18的环烷基 1〜30摩尔%的由α,β-烯键式不饱和腈化合物衍生的单体单元(b)和0.1〜10摩尔%的来自多元醇的单体单元(c) 官能烯键式不饱和羧酸酯; 玻璃化转变温度为-80〜0℃。

    Slurry composition, electrode and secondary cell
    5.
    发明授权
    Slurry composition, electrode and secondary cell 有权
    浆料组成,电极和二次电池

    公开(公告)号:US07316864B2

    公开(公告)日:2008-01-08

    申请号:US10493491

    申请日:2002-10-25

    IPC分类号: H01M4/62 H01M4/88

    摘要: A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating units derived from acrylonitrile or methacrylonitrile and 5 to 30 mole % of repeating units derived from at least one kind of a monomer selected from 1-olefins and compounds represented by the following general formula (1): CH2═CR1—COOR2 wherein R1 represents a hydrogen atom or a methyl group and R2 represents an alkyl group; and the liquid medium is capable of dissolving the polymer (X). The slurry composition allows the manufacture of a lithium ion secondary battery having enhanced capacity and good charge-discharge cycle characteristics and good charge-discharge rate characteristics.

    摘要翻译: 一种用于电极的浆料组合物,其包含粘合剂,活性材料和液体介质,其特征在于,所述粘合剂包含聚合物(X),其包含60至95摩尔%的衍生自丙烯腈或甲基丙烯腈的重复单元和5至30摩尔% 衍生自至少一种选自1-烯烃的单体和由以下通式(1)表示的化合物的重复单元:CH 2 - 其中R 1表示氢原子或甲基,R 2表示烷基; 并且液体介质能够溶解聚合物(X)。 该浆料组合物可以制造具有增强的容量和良好的充放电循环特性以及良好的充放电速率特性的锂离子二次电池。

    Binder for electric double layer capacitor electrode
    8.
    发明授权
    Binder for electric double layer capacitor electrode 有权
    双层电容电极用粘合剂

    公开(公告)号:US07939600B2

    公开(公告)日:2011-05-10

    申请号:US10576676

    申请日:2004-10-21

    IPC分类号: C08F220/12 C08F134/02

    摘要: Provided are a binder for an electric double layer capacitor electrode which gives an electrode having a high electrode density and a high binding force and which comprises a polymer that can give a polymer film having a tensile stress of 2 MPa or less when the film is elongated at the ratio of 100% and having the elongation at break of 450% or more; a binder composition for an electric double layer capacitor electrode and a slurry composition for an electric double layer capacitor electrode which each comprises the binder; an electrode produced by use of the slurry composition; and an electric double layer capacitor which has the electrode so as to exhibit a large electrostatic capacity and a small internal resistance.

    摘要翻译: 提供一种用于双电层电容器电极的粘合剂,其给出具有高电极密度和高粘结力的电极,并且包括当膜伸长时可以产生拉伸应力为2MPa或更小的聚合物膜的聚合物 100%,断裂伸长率为450%以上; 用于双电层电容器电极的粘结剂组合物和用于双电层电容器电极的浆料组合物,其各自包含粘合剂; 通过使用该浆料组合物生产的电极; 以及具有电极以显示大的静电电容和小的内阻的双电层电容器。

    Binder For Electric Double Layer Capacitor Electrode
    9.
    发明申请
    Binder For Electric Double Layer Capacitor Electrode 有权
    双层电容电极用粘合剂

    公开(公告)号:US20080011986A1

    公开(公告)日:2008-01-17

    申请号:US10567119

    申请日:2004-08-04

    CPC分类号: H01G11/28 Y02E60/13

    摘要: A binder for an electric double layer capacitor electrode, which includes a copolymer (A) including monomer units derived from at least one compound (a) represented by the following general formula (1): CH2═CR1—COOR2   (1) wherein R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group or a cycloalkyl group, the glass transition temperature obtained by homopolymerizing the compound (a) being less than 0° C., and monomer units derived from at least one compound (b) selected from acrylic acid alkyl esters, methacrylic acid alkyl esters, aromatic vinyl compounds, and α,β-unsaturated nitrile compounds, the glass transition temperature obtained by homopolymerizing the compound (b) being 0° C. or higher, wherein the total content of the monomer units derived from the compound (a) and those derived from the compound (b) is 90% or more by weight per 100% of the whole copolymer (A), and the glass transition temperature of the copolymer (A) is 10° C. or lower, which binder is excellent in smoothness, crack resistance and binding properties.

    摘要翻译: 一种双电层电容器电极用粘合剂,其包含由以下通式(1)表示的至少一种化合物(a)衍生的单体单元的共聚物(A):&lt;线内配方说明=“In “公式”end =“lead”?> CH 2 2 -CR 1 -OOR 2(1)<β在线式 description =“In-line Formulas”end =“tail”?>其中R 1表示氢原子或甲基,R 2表示烷基或 环烷基,通过使化合物(a)均聚合得到的玻璃化转变温度低于0℃,以及衍生自选自丙烯酸烷基酯,甲基丙烯酸烷基酯,芳族乙烯基化合物中的至少一种化合物(b)的单体单元 和α,β-不饱和腈化合物,通过使化合物(b)均聚而得到的玻璃化转变温度为0℃以上,其中衍生自化合物(a)的单体单元和 衍生自化合物(b)的那些相对于全部共聚物(A)的100%为90重量%以上,共聚物(A)的玻璃化转变温度为10℃以下, 平滑度,抗裂性和粘合性。

    Slurry composition, electrode and secondary cell
    10.
    发明申请
    Slurry composition, electrode and secondary cell 有权
    浆料组成,电极和二次电池

    公开(公告)号:US20050069769A1

    公开(公告)日:2005-03-31

    申请号:US10493491

    申请日:2002-10-25

    摘要: A slurry composition for electrode comprising a binder, an active material, and a liquid medium, characterized in that the binder comprises a polymer (X) comprising 60 to 95 mole % of repeating units derived from acrylonitrile or methacrylonitrile and 5 to 30 mole % of repeating units derived from at least one kind of a monomer selected from 1-olefins and compounds represented by the following general formula (1): CH2═CR1—COOR2 wherein R1 represents a hydrogen atom or a methyl group and R2 represents an alkyl group; and the liquid medium is capable of dissolving the polymer (X). The slurry composition allows the manufacture of a lithium ion secondary battery having enhanced capacity and good charge-discharge cycle characteristics and good charge-discharge rate characteristics.

    摘要翻译: 一种用于电极的浆料组合物,其包含粘合剂,活性材料和液体介质,其特征在于,所述粘合剂包含聚合物(X),其包含60至95摩尔%的衍生自丙烯腈或甲基丙烯腈的重复单元和5至30摩尔% 衍生自至少一种选自1-烯烃的单体和由以下通式(1)表示的化合物的重复单元:CH 2 = CR 1 -COOR 2其中R 1表示氢原子或 甲基,R 2表示烷基; 并且液体介质能够溶解聚合物(X)。 该浆料组合物可以制造具有增强的容量和良好的充放电循环特性以及良好的充放电速率特性的锂离子二次电池。