Nonaqueous secondary battery
US6048637A · kind A · utility
18Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1998 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Dec 2, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nonaqueous secondary battery is disclosed, comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution containing a lithium salt, wherein the battery contains a hydrazine derivative represented by formula (I): EQU R.sub.1 R.sub.2 N--NR.sub.3 R.sub.4 (I) wherein R.sub.1, R.sub.2, and R.sub.3 each represents an alkyl group, an aryl group, a heterocyclic group, an acyl group, an oxycarbonyl group or a sulfonyl group; and R.sub.4 represents an acyl group, an oxycarbonyl group or a sulfonyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.