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    • 2. 发明授权
    • Method of making a flat cell
    • US06391068B1
    • 2002-05-21
    • US09755358
    • 2001-01-05
    • Toshio YoshidaKazuo Omine
    • Toshio YoshidaKazuo Omine
    • H01M1038
    • The present invention provides a flat cell that employs strip-shaped electrode plates on which an active material layer has been formed by coating paste or by electrolytic deposition on both sides or one side of a core material consisting of a metal foil. By constructing an electrode group having an oval cross section by spirally winding in a manner folding, a strip-shaped positive plate having a striped recessed portion of a predetermined width of which the center is positioned on the line of folding formed on the active material layer at least the inner side of at least the inner-most folded portion close to a core portion, and a strip-shaped negative plate with a separator interposed, reduction in the battery capacity due to breakage of the electrode plates and/or peeling off and dropping of the active material layers and failure due to internal short circuit as has previously been caused when assembling an electrode group having an oval cross section can be completely eliminated, thus drastically improving the reliability of flat cells, especially flat type lithium-ion secondary batteries.
    • 10. 发明授权
    • Battery means for hand held electronic devices
    • 手持电子设备的电池
    • US06403254B1
    • 2002-06-11
    • US09369328
    • 1999-08-06
    • Ching-Yuan Wang
    • Ching-Yuan Wang
    • H01M1038
    • H01M2/1055H01M2/20
    • A battery means for hand held electronic devices includes a device body with an elongated chamber which has an end opening and an elongated flange means, and an elongated battery packet moveable in the chamber through the end opening and is able to nest in the chamber securely because of the elongated flange means. The battery packet is an independent and self-contained unit houses a battery inside. The battery packet has a plurality of second contacts to couple with the battery and to engage with a plurality of first contacts located in the chamber to transmit electric power.
    • 用于手持电子设备的电池装置包括具有带有端部开口和细长法兰装置的细长室的装置主体和细长的电池包,其可通过端部开口在室中移​​动,并且能够牢固地嵌套在室中,因为 的细长法兰装置。 电池组是一个独立且独立的单元,内置电池。 电池组具有多个第二触点以与电池耦合并且与位于腔室中的多个第一触头接合以传输电力。