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    • 9. 发明授权
    • Nonaqueous electrolyte battery having exposed electrode collector portions
    • 具有暴露的电极收集部分的非水电解质电池
    • US07527892B2
    • 2009-05-05
    • US10156283
    • 2002-05-28
    • Ken SegawaShigeru FujitaHideaki OjimaTakashi Tomita
    • Ken SegawaShigeru FujitaHideaki OjimaTakashi Tomita
    • H01M4/00
    • H01M10/0587H01M2/1235H01M2/345H01M10/0431H01M10/0525H01M10/4235H01M10/613H01M10/643H01M10/654
    • A nonaqueous electrolyte battery capable of minimizing damage if the battery is crushed by pressure is disclosed. The nonaqueous electrolyte battery according to the present invention includes a spiral coil formed by, through a separator, winding a positive electrode having an elongated positive-electrode collector with two sides on each of which an active material for the positive electrode has been formed and a negative electrode having an elongated negative-electrode collector with two sides on each of which an active material for the negative electrode has been formed. Wherein the positive electrode has a lengthwise directional end which has two sides, each of which is provided with a positive-electrode-collector exposed portion in which a positive-electrode collector is exposed, the negative electrode has a lengthwise directional end which has two sides, each of which is provided with a negative-electrode-collector exposed portion in which a negative-electrode collector is exposed, and the positive-electrode-collector exposed portion and the negative-electrode-collector exposed portion cover the coil one or more times through the separator.
    • 公开了一种非水电解质电池,其能够在电池被压力压碎时使损伤最小化。 根据本发明的非水电解质电池包括螺旋线圈,该螺旋线圈通过隔膜卷绕正极,所述正极具有细长的正极集电体,两侧具有用于正极的活性材料已经形成的两侧, 负极具有细长的负极集电体,其两侧均形成有用于负极的活性材料。 其中正极具有长度方向端,其具有两侧,每个侧面设置有阳极集电体暴露部分,正极集电体露出,负极具有纵向方向端,其具有两侧 各负极集电体露出的负极集电体露出部分,正极集电体露出部分和负极集电体露出部分覆盖线圈一次或多次 通过分隔符。