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Anode active material and method of preparing the same

  • US 8,906,557 B2
  • Filed: 03/22/2007
  • Issued: 12/09/2014
  • Est. Priority Date: 04/17/2006
  • Status: Expired due to Fees
First Claim
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1. An anode active material comprising a composite anode active material comprising:

  • metal active material particles consisting of a metal selected from the group consisting of Si, Ge, and combinations thereof;

    fibrous carbon-metallic composite particles consisting essentially of carbon and a metal selected from the group consisting of Co, Ag, Ti, Zn, Mo, W, Mn, Cr, and combinations thereof; and

    a carbonaceous material coated on and bonded to the metal active material particles and the fibrous carbon-metallic composite particles.

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