Battery separators with controlled pore structure
US11239531B2 · kind B2 · utility
1Cited by
47References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2018 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Nov 16, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are battery separators comprising glass fibers and having a basis weight (gsm), a specific surface area (m2/g), a density (gsm/mm) and a mean pore size (μm), which satisfy the equation disclosed herein. Also disclosed are batteries comprising the battery separators, and processes for making the separators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.