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Anode battery materials and methods of making the same

  • US 9,340,894 B2
  • Filed: 08/20/2012
  • Issued: 05/17/2016
  • Est. Priority Date: 08/19/2011
  • Status: Active Grant
First Claim
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1. An anode material for lithium ion batteries, wherein the anode material comprises:

  • a porous silicon particle comprising a silicon component,wherein the silicon component comprises a plurality of pores in the silicon component,wherein the plurality of pores comprise at least one pore that spans an entire thickness of the silicon component; and

    a binding material associated with the silicon component, wherein the binding material comprises pyrolyzed polyacrylonitrile, and wherein the pyrolyzed polyacrylonitrile is infiltrated into the plurality of pores of the silicon component.

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