CPC H01M 4/362 (2013.01) [H01M 4/38 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01)] | 10 Claims |
1. A carbon-based composite material, comprising a micron-sized soft carbon, a micron-sized hard carbon, a nano-active substance, a first carbon coating layer and a second carbon coating layer;
the first carbon coating layer is coated on the surface of the nano-active substance to form composite particles;
the composite particles are dispersed on the surfaces of the soft carbon and the hard carbon and dispersed into the second carbon coating layer;
the second carbon coating layer is disposed to coat the soft carbon, the hard carbon and the composite particles.
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