Current collector for polymer electrochemical cells and electrochemical generators thereof
US6933077B2 · kind B2 · utility
15Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2002 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Apr 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A current collector for polymer electrolyte thin film electrochemical cells and an electrochemical generator is disclosed. The current collector comprises a polymer substrate support film having a thickness of between 1 and 15 microns; a conductive metallic layer having a thickness of less than 3 microns, coated by metal vapor deposition onto at least one surface of the polymer substrate film; and a protective metal or metal oxide layer deposited onto the conductive metallic layer, having a thickness of between 5 and 500 nanometer and being electronically conductive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.