Apparatus and method for directed vent gas expulsion in battery cells
US10446819B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2017 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Jan 18, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery containment structure is provided. The battery containment structure may include a first pliable pouch, a second pliable pouch, and a vent. The first pliable pouch may surround a battery active region. The second pliable pouch may surround the first pliable pouch. The vent may be carried by the first pliable pouch and configured to vent gas from the battery active region responsive to a pressure or temperature of the gas surpassing a predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.