CPC H01M 4/663 (2013.01) [H01G 11/36 (2013.01); H01G 11/38 (2013.01); H01G 11/50 (2013.01); H01G 11/86 (2013.01); H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01)] | 8 Claims |
1. A current collector of a secondary battery, comprising:
a graphene compound;
wherein an interlayer distance between adjacent layers in the graphene compound is longer than or equal to 0.335 nm and shorter than or equal to 0.7 nm,
wherein the graphene compound comprises ions between the adjacent layers, and
wherein the ions between the adjacent layers in the graphene compound at least comprise lithium ions.
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