Patent · US Active

Negative-limited lithium-ion battery

US7927742B2 · kind B2 · utility

24Cited by
134References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 29, 2008
Grant dateApr 19, 2011
Priority date
Expiry dateSep 29, 2028

Classification

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

Abstract

A rechargeable lithium-ion battery includes a positive electrode that includes a first current collector and a first active material. The battery also includes an electrolyte and a negative electrode that includes a second current collector and a second active material, where the second active material includes a lithium titanate material. The positive electrode has a first capacity and the negative electrode has a second capacity, the second capacity being less than the first capacity such that the rechargeable lithium-ion battery is negative-limited.

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