×

Porous anode active material, method of preparing the same, and anode and lithium battery employing the same

  • US 8,048,339 B2
  • Filed: 07/27/2007
  • Issued: 11/01/2011
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
Patent Images

1. A porous anode active material comprising:

  • fine particles of metallic substance capable of forming a lithium alloy;

    a crystalline carboneous substance; and

    a porous carboneous material coating and binding the fine particles of metallic substance and the crystalline carboneous substance,the porous anode active material having pores exhibiting a bimodal size distribution with two pore diameter peaks in a Barrett-Joyner-Halenda (BJH) pore size distribution as measured by a nitrogen adsorption test.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×