Nonaqueous secondary battery
US5482797A · kind A · utility
33Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M6/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A nonaqueous secondary battery comprising a cathode, an anode and a nonaqueous electrolyte disposed and sealed between the cathode and the anode wherein the anode is made of a carbon material as its active material, in which the carbon material comprises a fine core particle of a metal or an alloy thereof, and a carbon layer which is arranged and stacked in an onion-like shell configuration centering on the fine core particle, at least part of the carbon layer having a crystal structure in which graphite-like layers are stacked and the fine core particle having an average diameter of about 10 to 150 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.