Solid polymer electrolyte-based oxygen batteries
US5510209A · kind A · utility
140Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1995 |
| Grant date | Apr 23, 1996 |
| Priority date | — |
| Expiry date | Jan 5, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention features polymer-based batteries comprising metal anodes and an oxygen gas cathode. The oxygen is not stored in the battery but rather it is accessed from the environment. This solid-state battery is constructed by sandwiching a metal ion conductive polymer electrolyte film between a metal anode (negative electrode) and a composite carbon electrode which serves as the cathode current collector on which the electroactive oxygen is reduced during discharge of the battery to generate electric current. The metal anodes include lithium, magnesium, sodium, calcium, aluminum and zinc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.