Non-aqueous secondary cell
US4904552A · kind A · utility
19Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1989 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Jul 19, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A non-aqueous secondary cell is provided which is repeatedly chargeable and dischargeable. This cell comprises, as main components thereof, a negative electrode, a positive electrode, and a separator disposed between the positive electrode and negative electrode and impregnated with an electrolyte. The negative electrode has lithium or a lithium alloy as the active material. The positive electrode has as the active material a manganese oxide expressed by a chemical formula Li.sub.1-X Mn.sub.2 O.sub.4 wherein 1.gtoreq.X.gtoreq.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.