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    • 6. 发明授权
    • Prismatic battery
    • 棱镜电池
    • US08703314B2
    • 2014-04-22
    • US13141964
    • 2010-03-05
    • Takaharu MorikawaToru Takai
    • Takaharu MorikawaToru Takai
    • H01M10/02H01M4/00H01M6/10
    • H01M10/0431H01M10/0525H01M10/0587Y02T10/7011
    • A prismatic battery includes an electrode assembly including: a positive electrode including a belt-shaped positive electrode core member and a positive electrode active material layer formed on both surfaces thereof; a negative electrode including a belt-shaped negative electrode core member and a negative electrode active material layer formed on both surfaces thereof; and a belt-shaped separator. The electrode assembly is formed by winding the positive electrode, the negative electrode, and the separator in the longitudinal directions thereof. The negative electrode has, in an end portion thereof from which winding is started, a one-sided active material layer portion in which the negative electrode active material layer is provided only on one surface of the negative core member. The one-sided active material layer portion terminates at a predetermined position between positions at which the negative electrode is folded for the second time and for the third time.
    • 棱柱电池包括电极组件,其包括:正极,包括形成在其两个表面上的带状正电极芯构件和正电极活性材料层; 包括形成在其两个表面上的带状负极芯构件和负极活性物质层的负极; 和带状分离器。 电极组件通过沿其纵向卷绕正极,负极和隔板而形成。 负极在其开始卷绕的端部具有仅在负极芯构件的一个表面上设置负极活性物质层的单面活性物质层部。 单面活性物质层部分在第二次和第三次折叠负极的位置之间终止于预定位置。
    • 10. 发明申请
    • PRISMATIC BATTERY
    • 专用电池
    • US20120058373A1
    • 2012-03-08
    • US13141964
    • 2010-03-05
    • Takaharu MorikawaToru Takai
    • Takaharu MorikawaToru Takai
    • H01M10/02
    • H01M10/0431H01M10/0525H01M10/0587Y02T10/7011
    • A prismatic battery 1 includes an electrode assembly 10 including: a positive electrode 12 including a belt-like positive electrode core member 12a and a positive electrode active material layer 12b formed on both surfaces thereof; a negative electrode 14 including a belt-like negative electrode core member 14a and a negative electrode active material layer 14b formed on both surfaces thereof; and a belt-like separator 16. The electrode assembly is formed by winding the positive electrode, the negative electrode, and the separator in the longitudinal directions thereof. The negative electrode has, in an end portion thereof from which winding is started, a one-sided active material layer portion in which the negative electrode active material layer is provided only on one surface of the negative core member. The one-sided active material layer portion terminates at a predetermined position between positions at which the negative electrode is folded for the second time and for the third time.
    • 棱镜电池1包括电极组件10,电极组件10包括:正电极12,其包括形成在其两个表面上的带状正电极芯构件12a和正极活性物质层12b; 包括形成在其两个表面上的带状负极芯构件14a和负极活性物质层14b的负极14; 和带状隔板16.电极组件通过沿其纵向卷绕正极,负极和隔板而形成。 负极在其开始卷绕的端部具有仅在负极芯构件的一个表面上设置负极活性物质层的单面活性物质层部。 单面活性物质层部分在第二次和第三次折叠负极的位置之间终止于预定位置。