Treatment for improved conductivity of collector-electrode interface in laminated lithium-ion rechargeable batteries
US5840371A · kind A · utility
3Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jul 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A coating of a vinylidene fluoride polymer on a metal foil is heated at about 350.degree. C. to 450.degree. C. in a non-oxidizing atmosphere of inert gas to provide a rechargeable battery current collector having an exceptional bonding surface which maintains a long-lasting and highly-conductive laminate interface with an associated polymeric battery electrode composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.