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    • 17. 发明授权
    • Non-aqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US08067115B2
    • 2011-11-29
    • US12030528
    • 2008-02-13
    • Takayuki ShiraneKaoru InoueMasaya UgajiMasato FujikawaToshitada Sato
    • Takayuki ShiraneKaoru InoueMasaya UgajiMasato FujikawaToshitada Sato
    • H01M4/13H01M4/58
    • H01M10/0525H01M4/13H01M4/131H01M4/485H01M2004/027H01M2300/004
    • A non-aqueous electrolyte secondary battery comprising at least a negative electrode having a current collector provided thereon with convex portions and columnar bodies formed on the convex portions, each of the columnar bodies comprising n stages (where n≧2) of overlaid columnar body portions alternately tilted to different orientations along a longitudinal direction of the current collector, a positive electrode having a positive electrode current collector provided on both surfaces thereof with a positive electrode mixture layer containing a positive electrode active material capable of inserting and extracting lithium ions reversibly, and a separator interposed between the positive electrode and the negative electrode in a confronting manner, wherein tip portions of the columnar body portions at the uppermost stage of the columnar bodies on the negative electrode are tilted toward a trailing end of winding direction.
    • 本发明提供一种非水电解质二次电池,其至少包括具有集电体的至少具有凸部的集电体和形成在所述凸部上的柱状体的负极,每个所述柱状体包括重叠的柱状体部的n个阶段(n≥2) 交替地沿着集电体的纵向方向倾斜到不同的取向,具有正极集电体的正电极在其两个表面上设置有包含能够可逆地插入和提取锂离子的正极活性材料的正电极混合物层,以及 以相对的方式插入在正极和负极之间的隔板,其中在负极上的柱状体的最上段的柱状体部的末端部朝向卷绕方向的后端倾斜。
    • 19. 发明申请
    • Non-Aqueous Electrolyte Secondary Battery
    • 非水电解液二次电池
    • US20080118837A1
    • 2008-05-22
    • US11795801
    • 2005-03-23
    • Takayuki ShiraneTakashi TakeuchiTakaya Saito
    • Takayuki ShiraneTakashi TakeuchiTakaya Saito
    • H01M4/52H01M4/58
    • H01M4/131H01M4/485H01M4/525H01M4/587H01M4/62H01M10/0525H01M10/4235H01M2010/4292
    • Disclosed is a non-aqueous electrolyte secondary battery comprising a positive electrode containing a nickel-containing lithium composite oxide, a negative electrode containing graphite, and a non-aqueous electrolyte. The cut-off voltage of charge of this non-aqueous electrolyte secondary battery is 4.25 to 4.6 V. The negative electrode contains an additive that reacts with lithium at a potential higher than the potential of graphite. The ratio A/B of a positive electrode capacity A based on the weight of the nickel-containing lithium composite oxide and the cut-off voltage of charge relative to a weight B of the graphite contained in a portion of a negative electrode material mixture layer opposing to a positive electrode material mixture layer is 300 to 340 mAh/g, and the irreversible capacity C of the positive electrode and the irreversible capacity D of the negative electrode in the portion opposing to the positive electrode satisfies C≧D.
    • 公开了一种非水电解质二次电池,其包含含有镍的锂复合氧化物的正极,含有石墨的负极和非水电解质。 该非水电解质二次电池的电荷截止电压为4.25〜4.6V。负极含有与石墨的电位高的电位与锂反应的添加剂。 基于含镍锂复合氧化物的重量的正极容量A的比A / B和电荷相对于负极材料混合层的一部分中所含的石墨的重量B的截止电压 与正极合剂层相对的面积为300〜340mAh / g,正极的不可逆容量C和负极的与正极相反的部分的不可逆容量D满足C> = D。
    • 20. 发明授权
    • Secondary battery
    • 二次电池
    • US07153606B2
    • 2006-12-26
    • US10826389
    • 2004-04-19
    • Takayuki ShiraneTetsu HashimotoNaoto AraiFutoshi Tanigawa
    • Takayuki ShiraneTetsu HashimotoNaoto AraiFutoshi Tanigawa
    • H01M2/02H01M2/26
    • H01M2/263H01M10/0431H01M10/05
    • A secondary battery including an electrode group formed by winding a positive electrode and a negative electrode with the interposition of a separator, the positive electrode includes a belt-shaped positive electrode core and a positive electrode material mixture carried on the positive electrode core, the negative electrode includes a belt-shaped negative electrode core and a negative electrode material mixture carried on the negative electrode core, at least one of the positive electrode and the negative electrode has an end portion parallel to the lengthwise direction thereof exposing the core, the end portion positioned at an end face of the electrode group is directly connected to a current collector plate, and at least part of the current collector plate is exposed outside at the bottom of a battery case.
    • 包括通过缠绕正极和负极而插入隔膜而形成的电极组的二次电池,正电极包括带状正电极芯和承载在正电极芯上的正极材料混合物,负极 电极包括承载在负极芯上的带状负极芯和负极材料混合物,正极和负极中的至少一个具有平行于其长度方向的端部暴露芯,端部 位于电极组的端面的电极直接与集电板连接,并且集电板的至少一部分露出在电池壳体的底部的外部。