Patent · US Active

Secondary battery

US10038185B2 · kind B2 · utility

2Cited by
0References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2015
Grant dateJul 31, 2018
Priority date
Expiry dateAug 5, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a secondary battery including a negative electrode, a positive electrode, and an electrolyte between the negative electrode and the positive electrode, wherein the negative electrode includes a negative electrode active material including: an Si—Fe based alloy core; a carbonaceous first coating layer disposed on the core; and a second coating layer which is disposed on the first coating layer and includes carbon nanotubes (CNTs) having an average length of about 1.0 nm to about 2.0 μm.

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