Battery outgassing filter system and method to filter outgassing from a battery cell
US11848462B2 · kind B2 · utility
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1References
13Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | May 20, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery outgassing filter system is provided. The system includes a battery cell, an external casing encapsulating the battery cell and including a casing vent, and an outgassing filter disposed upon the casing vent and including a filter element including a first filter element portion operable to contain a first size of particulate matter and a second filter element portion operable to contain a second size of particulate matter relatively smaller than the first size of particulate matter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.