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    ELECTROCHEMICAL DEVICE
    11.
    发明公开
    ELECTROCHEMICAL DEVICE 审中-公开

    公开(公告)号：US20230223206A1

    公开(公告)日：2023-07-13

    申请号：US18000276

    申请日：2021-05-18

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： HIROKI HAYASHI ,  NAO MATSUMURA ,  HIDEKI SHIMAMOTO ,  SHOHEI MASUDA ,  HIDEO SAKATA ,  HIROYUKI MAESHIMA

    IPC: H01G11/06 ,  H01G11/48 ,  H01G11/50

    CPC classification number: H01G11/06 ,  H01G11/48 ,  H01G11/50

    Abstract: An electrochemical device includes a positive electrode that includes an active layer containing a polyaniline compound. An infrared absorption spectrum of the active layer has a first peak, a second peak, a third peak, and a fourth peak that are derived from the polyaniline compound. The first peak appears at a wave number in a range from 1,100 cm−1 to 1,200 cm−1, inclusive. The second peak appears at a wave number in a range of more than 1,200 cm−1 and less than or equal to 1,400 cm−1. The third peak appears at a wave number in a range from 1,450 cm−1 to 1,550 cm−1, inclusive. And the fourth peak appears at a wave number in a range of more than 1,550 cm−1 and less than or equal to 1,650 cm−1. In a discharged state, a ratio ID3/ID0 of a height ID3 of the third peak to a total ID0 of heights of the first peak, the second peak, the third peak, and the fourth peak ranges from 0.18 to 1.42, inclusive.

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