CPC H01M 4/366 (2013.01) [H01M 4/133 (2013.01); H01M 4/137 (2013.01); H01M 4/38 (2013.01); H01M 4/587 (2013.01); H01M 4/602 (2013.01); H01M 4/625 (2013.01); B82Y 30/00 (2013.01); C01P 2004/64 (2013.01); H01B 1/18 (2013.01); H01B 1/24 (2013.01); H01M 4/134 (2013.01); H01M 4/1393 (2013.01); H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 10/0525 (2013.01); Y02E 60/10 (2013.01); Y02T 10/70 (2013.01); Y10S 977/773 (2013.01)] | 14 Claims |
1. A Li-ion battery anode composition, comprising:
a plurality of agglomerated nanocomposites, wherein each of the plurality of agglomerated nanocomposites is porous and comprises:
a total pore volume comprising one or more micropores, one or more mesopores and one or more macropores, as determined by one or more nitrogen sorption measurements;
electrically conductive amorphous or graphitic carbon; and
a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the electrically conductive amorphous or graphitic carbon; and
wherein each nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of the electrically conductive amorphous or graphitic carbon in electrical communication with at least a portion of an electrically conductive amorphous or graphitic carbon of an adjacent nanocomposite in the plurality of agglomerated nanocomposites,
wherein Si comprises from 15 wt % to 90 wt % of each of the plurality of agglomerated nanocomposites, and wherein a D90 of the plurality of agglomerated nanocomposites is below 40 micron.
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