Porous polybenzimidazole as separator for lithium ion batteries
US12191522B2 · kind B2 · utility
0Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2018 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Nov 21, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a film comprising porous, amorphous polybenzimidazole (PBI) and at least one filler for use as a separator in a lithium ion battery and a process for preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.