CPC H01M 4/366 (2013.01) [H01M 4/583 (2013.01); H01M 4/5825 (2013.01); H01M 4/624 (2013.01); H01M 4/663 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01)] | 15 Claims |
1. An electrode assembly, comprising a positive electrode plate and a negative electrode plate,
wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer provided on at least one surface of the positive electrode current collector, the positive electrode active material layer comprising a positive electrode active material and a quinone compound;
the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector, the negative electrode active material layer comprising a negative electrode active material and a conductive polymer material;
wherein based on the mass of the positive electrode active material layer, the mass content of the quinone compound mc % is 0.5% to 3%; the capacity per gram of the quinone compound is Capc; the capacity per gram of the positive electrode active material is Cap;
and based on the mass of the negative electrode active material layer, the mass content of the conductive polymer material is mA %, satisfying the relationship of:
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