Patent · US Expired

Lithium polymer battery

US6451481B1 · kind B1 · utility

48Cited by
16References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 2000
Grant dateSep 17, 2002
Priority date
Expiry dateMar 6, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49115
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lithium secondary battery having a bi-cell type battery cell consisting of an anode plate, a separator fixed to both surfaces of the anode plate and a cathode plate fixed to either outer surface of the separator, wherein the cathode plate includes a cathode current collector, a front cathode sheet fixed to one surface of the cathode current collector, which is adjacent to the anode plate, and a rear cathode sheet fixed to the other surface of the cathode current collector and having a thickness different from that of the front cathode sheet.

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