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Nano-structured anode compositions for lithium metal and lithium metal-air secondary batteries

  • US 8,236,452 B2
  • Filed: 11/02/2009
  • Issued: 08/07/2012
  • Est. Priority Date: 11/02/2009
  • Status: Active Grant
First Claim
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1. A nano-structured anode composition for a lithium metal cell, said composition comprising:

  • a) an integrated structure of electrically conductive nanometer-scaled filaments that are interconnected to form a porous network of electron-conducting paths comprising interconnected pores, wherein said filaments have a transverse dimension less than 500 nm; and

    b) micron- or nanometer-scaled particles of lithium, a lithium alloy, or a lithium-containing compound wherein at least one of said particles is stabilized or surface-passivated and the weight fraction of these particles is between 1% and 99% of the total weight of these particles and the integrated structure together.

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