Patent · US Active

Lithium air battery and method of manufacturing the same

US9843081B2 · kind B2 · utility

4Cited by
3References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2016
Grant dateDec 12, 2017
Priority date
Expiry dateMay 21, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lithium air battery includes: a lithium negative electrode; a positive electrode; and an ion conductive oxygen-blocking film which is disposed on the lithium negative electrode, wherein the ion conductive oxygen-blocking film includes a first polymer including a polyvinyl alcohol or a polyvinyl alcohol blend, and a lithium salt, and wherein the ion conductive oxygen-blocking film has an oxygen transmission rate of about 10 milliliters per square meter per day to about 10,000 milliliters per square meter per day. Also a method of manufacturing a lithium air battery is disclosed.

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