Materials and methods for retarding or preventing thermal runaway in batteries
US8951654B2 · kind B2 · utility
20Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2011 |
| Grant date | Feb 10, 2015 |
| Priority date | — |
| Expiry date | May 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
One embodiment includes a rechargeable charge storage device including a microcapsule disposed within said rechargeable charge storage device; and a thermal retardant chemical species contained within said microcapsule, wherein said microcapsule is adapted to release said chemical species upon being exposed to a triggering event either prior to or during an unstable rise in temperature of said charge storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.