CPC H01M 4/366 (2013.01) [H01M 4/386 (2013.01); H01M 4/621 (2013.01); H01M 4/625 (2013.01); H01M 10/0569 (2013.01); H01M 10/0525 (2013.01); H01M 2300/0034 (2013.01); H01M 2300/0037 (2013.01); H01M 2300/0091 (2013.01)] | 20 Claims |
1. A method, comprising:
providing silicon nanoparticles;
applying a carbon precursor on the silicon nanoparticles, the carbon precursor being an oxygen-free, fluorene-based polymer; and
then heating the silicon nanoparticles in an inert gas atmosphere, thereby forming a carbon coating on the silicon nanoparticles, the carbon coating having an oxygen-free structure including pentagon rings.
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