Patent · US Active

Anode for use in a lithium-ion secondary battery, and lithium-ion secondary battery

US9263733B2 · kind B2 · utility

3Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 2010
Grant dateFeb 16, 2016
Priority date
Expiry dateJul 28, 2031

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A negative electrode for a lithium ion secondary battery including an active material layer that is disposed on a current collector and that contains a negative electrode active material and a binder, in which the negative electrode active material includes an alloy active material and a carbon active material, and the weight ratio between the alloy active material and the carbon active material in the active material layer is 20:80 to 50:50, and the binder contains 0.1 to 15 wt % of an ethylenically unsaturated carboxylic acid monomer polymerization unit.

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