Protective coating for separators for electrochemical cells
US6277514A · kind A · utility
108Cited by
36References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1999 |
| Grant date | Aug 21, 2001 |
| Priority date | — |
| Expiry date | Nov 23, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention pertains to separators for use in electrochemical cells which comprise at least one microporous pseudo-boehmite layer, which separator is in contact with at least one protective coating layer positioned on the anode-facing side of the separator opposite from the cathode active layer in the cell; electrolyte elements comprising such separators; electrical current producing cells comprising such separators; and methods of making such separators, electrolyte elements and cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.