Negative electrode for use in lithium secondary battery and process for
producing the same
    2.
    发明授权
    Negative electrode for use in lithium secondary battery and process for producing the same 失效
    用于锂二次电池的负电极及其制造方法

    公开(公告)号:US5795678A

    公开(公告)日:1998-08-18

    申请号:US414195

    申请日:1995-03-31

    IPC分类号: H01M4/58 H01M4/02

    CPC分类号: H01M4/587

    摘要: A negative electrode for use in a secondary battery which comprises milled graphite fibers derived from mesophase pitch each having circumferential, upper end and lower end faces, the milled graphite fibers each being composed of graphite layers having therebetween voids as inlets and outlets for lithium ions, all of the circumferential, upper end and lower end faces having openings of the voids between the graphite layers, which serve as inlets or outlets for lithium ions. This negative electrode for use in a secondary battery can be utilized to provide a lithium secondary battery of nonaqueous electrolyte which has large charge and discharge capacities and which permits setting the current density at charge or discharge high.

    摘要翻译: 一种用于二次电池的负极,其包括衍生自具有圆周,上端和下端面的中间相沥青的磨碎石墨纤维,所述研磨石墨纤维各自由具有空隙的石墨层组成,用作锂离子的入口和出口, 所有圆周,上端和下端面都具有石墨层之间的空隙的开口,用作锂离子的入口或出口。 用于二次电池的负极可以用于提供具有大的充放电容量的非水电解质的锂二次电池,并且允许将充电或放电的电流密度设定得高。

    Nonaqueous electrolyte secondary battery
    3.
    发明授权
    Nonaqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号:US07727676B2

    公开(公告)日:2010-06-01

    申请号:US11454925

    申请日:2006-06-19

    IPC分类号: H01M1/40

    摘要: The present invention provides a nonaqueous electrolyte secondary battery, comprising an electrode group including a positive electrode, a negative electrode including a material for absorbing-desorbing lithium ions, and a separator arranged between the positive electrode and the negative electrode, a nonaqueous electrolyte impregnated in the electrode group and including a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent, and a jacket for housing the electrode group and having a thickness of 0.3 mm or less, wherein the nonaqueous solvent γ-butyrolactone in an amount larger than 50% by volume and not larger than 95% by volume based on the total amount of the nonaqueous solvent.

    摘要翻译: 本发明提供一种非水电解质二次电池,其包括具有正极的电极组,包含锂离子吸收解吸材料的负极和设置在正极和负极之间的隔板,非水电解质浸渍在 所述电极组包括溶解在所述非水溶剂中的非水溶剂和锂盐,以及用于容纳所述电极组并具有0.3mm以下的厚度的护套,其中所述非水溶剂的γ-丁内酯的量大于50% 以体积计,不大于95体积%。

    Nonaqueous electrolyte secondary battery
    4.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US06503657B1

    公开(公告)日:2003-01-07

    申请号:US09430757

    申请日:1999-10-29

    IPC分类号: H01M1024

    摘要: The present invention provides a nonaqueous electrolyte secondary battery, comprising an electrode group including a positive electrode, a negative electrode including a material for absorbing-desorbing lithium ions, and a separator arranged between the positive electrode and the negative electrode, a nonaqueous electrolyte impregnated in the electrode group and including a nonaqueous solvent and a lithium salt dissolved in the nonaqueous solvent, and a jacket for housing the electrode group and having a thickness of 0.3 mm or less, wherein the nonaqueous solvent &ggr;-butyrolactone in an amount larger than 50% by volume and not larger than 95% by volume based on the total amount of the nonaqueous solvent.

    摘要翻译: 本发明提供一种非水电解质二次电池,其包括具有正极的电极组,包含锂离子吸收解吸材料的负极和设置在正极和负极之间的隔板,非水电解质浸渍在 所述电极组包括非水溶剂和溶解在所述非水溶剂中的锂盐,以及用于容纳所述电极组并具有0.3mm以下的厚度的护套,其中所述非水溶剂γ-丁内酯的量大于50% 以体积计,不大于95体积%。

    Lithium secondary battery and method of manufacturing carbonaceous
material for negative electrode of the battery
    5.
    发明授权
    Lithium secondary battery and method of manufacturing carbonaceous material for negative electrode of the battery 失效
    锂二次电池及电池负极碳质材料的制造方法

    公开(公告)号:US5340670A

    公开(公告)日:1994-08-23

    申请号:US069424

    申请日:1993-06-01

    IPC分类号: H01M4/58 H01M6/16 H01M10/40

    CPC分类号: H01M10/05 H01M4/587 H01M6/16

    摘要: A lithium secondary battery having a high capacity and excellent in charge-discharge efficiency, cycle life, flatness of a discharge voltage, and rapid charge-discharge cycle characteristics is disclosed. This lithium secondary battery includes a positive electrode housed in a case, a negative electrode housed in the case and containing a carbonaceous material which has an exothermic peak at 700.degree. C. or more when measured by a differential thermal analysis and an intensity ratio P.sub.101 /P.sub.100 of a (101) diffraction peak P.sub.101 to a (100) diffraction peak P100 of a graphite structure, obtained by X-ray diffraction analysis, of 0.7 to 2.2, and absorbs and desorbs lithium ions, a separator housed in the case so as to be arranged between the positive and negative electrodes, and a nonaqueous electrolyte contained in the case.

    摘要翻译: 公开了具有高容量且充放电效率优异,循环寿命,放电电压平坦度和快速充放电循环特性的锂二次电池。 该锂二次电池包括容纳在壳体中的正极,容纳在壳体中的负极,并且含有碳质材料,当通过差示热分析和强度比P101 / 2测量时,其具有700℃以上的放热峰, 将通过X射线衍射分析得到的石墨结构的(101)衍射峰P101〜(100)衍射峰P100的P100为0.7〜2.2,吸收和解吸锂离子,将容纳在壳体中的隔膜 布置在正极和负极之间,以及包含在壳体中的非水电解质。

    Non-aqueous electrolyte secondary battery and method of production of the same
    7.
    发明授权
    Non-aqueous electrolyte secondary battery and method of production of the same 有权
    非水电解质二次电池及其制造方法

    公开(公告)号:US06423447B1

    公开(公告)日:2002-07-23

    申请号:US09525748

    申请日:2000-03-14

    IPC分类号: H01M462

    摘要: There is proposed a non-aqueous electrolyte secondary battery having an electrode assembly which is impregnated with a non-aqueous electrolyte solution, wherein the battery can be made thin while maintaining improved capacity, large-current characteristics and cycle life. The non-aqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, a separator and a non-aqueous electrolyte solution. The production process of the battery comprises steps of preparing an electrode assembly by interposing a separator between a positive electrode and a negative electrode, impregnating the electrode assembly with an organic solvent which can dissolve the binder of the positive- and/or negative electrodes, bonding the positive electrode and the separator together and bonding the negative electrode and the separator together by drying the electrode assembly, and impregnating the electrode assembly with a non-aqueous electrolyte solution.

    摘要翻译: 提出了一种非水电解质二次电池,其具有浸渍有非水电解质溶液的电极组件,其中可以使电池变薄,同时保持改善的容量,大电流特性和循环寿命。 非水电解质二次电池包括正极,负极,隔膜和非水电解质溶液。 电池的制造方法包括以下步骤:通过在正极和负极之间插入隔板来制备电极组件,用可溶解正极和/或负极的粘合剂的有机溶剂浸渍电极组件, 将正极和隔板结合在一起,通过干燥电极组件将负极和隔板结合在一起,并用非水电解液浸渍电极组件。

    Nonaqueous electrolyte secondary battery
    9.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US06544682B1

    公开(公告)日:2003-04-08

    申请号:US09487612

    申请日:2000-01-20

    IPC分类号: H01M202

    摘要: Provided is a nonaqueous electrolyte secondary battery, comprising an electrode group including a positive electrode, a negative electrode, and a porous separator interposed between the positive electrode and the negative electrode, the pores of the porous separator being closed when heated, a nonaqueous electrolyte held by the porous separator, and a jacket formed of a sheet including a thermoplastic resin layer forming at least a portion of the inner surface, having the electrode group housed therein, and having mutually facing regions of the thermoplastic resin layer heat-sealed to each other to seal the electrode group therein, wherein the positive electrode, the negative electrode and the separator are made integral, and the thermoplastic resin layer has a melting point higher than a pore-closing initiating temperature of the porous separator at which the pores of the separator begin to be closed.

    摘要翻译: 本发明提供一种非水电解质二次电池,其包括正极,负极和介于正极和负极之间的多孔隔膜的电极组,多孔隔板的加热孔闭合,非水电解质保持 通过多孔分离器和由包含形成内表面的至少一部分的热塑性树脂层的片材形成的夹套,其中容纳有电极组,并且热塑性树脂层相互面对的区域彼此热封 在其中密封电极组,其中正极,负极和隔膜成为一体,并且热塑性树脂层的熔点高于多孔隔板的闭孔起始温度,其中隔膜的孔 开始关闭

    Nonaqueous electrolyte secondary battery
    10.
    发明授权
    Nonaqueous electrolyte secondary battery 有权
    非水电解质二次电池

    公开(公告)号:US06468693B1

    公开(公告)日:2002-10-22

    申请号:US09628279

    申请日:2000-07-28

    IPC分类号: H01M204

    摘要: The present invention provides a nonaqueous electrolyte secondary battery, comprising a jacket having a wall thickness not larger than 0.25 mm, a positive electrode housed in the jacket and containing a positive electrode active material, a negative electrode housed in the jacket and containing a negative electrode active material, and a nonaqueous electrolyte housed in the jacket, wherein the positive electrode active material comprises at least one kind of oxide selected from the group consisting of an oxide containing an element M, Li and Ni and an oxide containing an element M, Li, Ni and Co, the element M being at least one element selected from the group consisting of Al, B, Sn and Nb, and the pH of the positive electrode active material falls within a range of between 10 and 12.

    摘要翻译: 本发明提供一种非水电解质二次电池,其包括壁厚不大于0.25mm的护套,容纳在护套中并含有正极活性物质的正极,负极容纳在护套中并含有负极 活性物质和容纳在所述护套中的非水电解质,其中所述正极活性物质包含选自由含有元素M,Li和Ni的氧化物和含有元素M的氧化物中选择的至少一种氧化物,Li ,Ni和Co中,元素M是选自Al,B,Sn和Nb中的至少一种元素,并且正极活性物质的pH在10和12之间的范围内。