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NEGATIVE ELECTRODE FOR LITHIUM ION BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION BATTERY

  • US 20110143195A1
  • Filed: 06/17/2010
  • Published: 06/16/2011
  • Est. Priority Date: 06/29/2009
  • Status: Abandoned Application
First Claim
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1. A negative electrode for a lithium ion battery comprisinga negative electrode current collector,a plurality of columns formed so as to be spaced apart from each other on a surface of the negative electrode current collector, anda coating layer coating an entire surface of each of the plurality of columns, wherein:

  • the columns include a negative electrode active material comprising either one of silicon and tin, and further include lithium absorbed thereinto; and

    the coating layer contains at least one of lithium carbonate and lithium fluoride.

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