Electrode material for lithium secondary battery, electrode structure comprising the electrode material and secondary battery comprising the electrode structure

  • US 20040248011A1
  • Filed: 03/26/2004
  • Published: 12/09/2004
  • Est. Priority Date: 03/26/2003
  • Status: Active Grant
First Claim
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1. An electrode material for a lithium secondary battery comprising alloy particles comprising silicon as a major component and having an average particle diameter of 0.02 μ

  • m to 5 μ

    m, wherein the size of a crystallite of the alloy is not less than 2 nm but no more than 500 nm and an intermetallic compound containing at least tin is dispersed in a silicon phase.

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