Secondary cell
US4840858A · kind A · utility
12Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1988 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | Jun 13, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable secondary cell having the following as main components: a positive electrode formed of a conductive polymer, a negative electrode, a separator disposed between the positive and negative electrodes, an electrolyte comprising a mixed solvent of .gamma.-butyrolactone and a cyclic carbonic ester compound or ethylene carbonate, each being expressed by the following chemical formula. ##STR1## (where R.sup.1 is a lower alkyl group having 1-3 carbon atoms and R.sup.2 is a hydrogen atom or a methyl group, R.sup.2 being a hydrogen atom, and R.sup.1 being a group other than the methyl group.)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.