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Secondary non-aquenous electrochemical cell configured to improve overcharge and overdischarge acceptance ability
Secondary non-aquenous electrochemical cell configured to improve overcharge and overdischarge acceptance ability
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机译:二次非水电化学电池,用于提高过充电和过放电的接受能力
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摘要
The present invention provides a secondary electrochemical cell comprising a body of aprotic, non-aqueous electrolyte, first and second electrodes in effective electrochemical contact with the electrolyte, the first electrode comprising active materials such as a lithiated intercalation compound serving as the positive electrode or cathode and the second electrode comprising a carbon material on carbon-based substrate and serving as the negative electrode or anode; whereby they provide a secondary non-aqueous electrochemical cell having improved overdischarge and overcharge acceptance ability as compared with similar secondary non-aqueous electrochemical cells having carbon anodes with metal substrate.
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