Electrochemical cell with high discharge/charge rate capability
US4728590A · kind A · utility
23Cited by
17References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1986 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Jul 28, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fully charged positive electrode composition for an electrochemical cell includes FeS.sub.2 and NiS.sub.2 in about equal molar amounts along with about 2-20 mole percent of the reaction product Li.sub.2 S. Through selection of appropriate electrolyte compositions, high power output or low operating temperatures can be obtained. The cell includes a substantially constant electrode impedance through most of its charge and discharge range. Exceptionally high discharge rates and overcharge protection are obtainable through use of the inventive electrode composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.