CPC H01M 4/133 (2013.01) [H01M 4/366 (2013.01); H01M 4/587 (2013.01)] | 5 Claims |
1. An active material comprising:
a graphite comprising a plurality of graphene layers; and
a film comprising one or more of silicon and phosphorous,
wherein an edge of each of the plurality of graphene layers is chemically bonded to the film by one of C—O—Si and C—O—P, and
wherein the graphite is capable of inserting and extracting lithium ions via the film.
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