Safety element for battery and battery with the same
US7629073B2 · kind B2 · utility
3Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2005 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Aug 9, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a safety element for a battery, which is provided with material having a Metal-Insulator Transition (MIT) characteristic where resistance abruptly drops at or above a certain temperature, and a battery with such a safety element. This battery with an MIT safety element is turned into a stable discharged state when it is exposed to an elevated temperature or a battery temperature rises due to external impact, so that it can ensure its safety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.