Patent · US Expired

Nonaqueous electrolytic secondary battery and method of producing anode material thereof

US7238449B2 · kind B2 · utility

8Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 14, 2003
Grant dateJul 3, 2007
Priority date
Expiry dateNov 14, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A nonaqueous electrolyte secondary battery having a positive electrode made of a carbonaceous material, an electrolyte containing a lithium salt, and a negative electrode made of metallic lithium or a material capable of occluding and releasing lithium, wherein said positive electrode is formed from a boronized graphitic material containing boron or a boron compound such that the content of boron therein is 0.05-11 wt %. A method for production of the positive electrode of the nonaqueous electrolyte secondary battery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.