Title: Lithium ion secondary battery and charge system therefor
Application Number: 200710008196 Application Date: 2007.01.26
Publication Number: 1983676 Publication Date: 2007.06.20
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01M2/16;H01M10/40;H01M10/44;H01M10/46
Applicant(s) Name: Matsushita Electric Ind Co., Ltd. Address:
Inventor(s) Name: Fujikawa Masato;Kasamatsu Shinji;Shimada Mikinari
Attorney & Agent: yuhui
Abstract:
    A lithium ion secondary battery includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator interposed between the positive electrode and the negative electrode. The separator includes a polyolefin layer and an oxidation-resistant layer. The oxidation-resistant layer includes an oxidation-resistant polymer. A main chain of the oxidation-resistant polymer does not include a -CH2- group and a -CH(CH3)- group. The oxidation-resistant layer faces the positive electrode.
Time: 10
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