Lead acid battery including a two-layer carbon foam current collector
US8399134B2 · kind B2 · utility
5Cited by
135References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2007 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | Apr 24, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lead acid battery includes a housing and at least one cell disposed within the housing. Each cell includes at least one positive plate and at least one negative plate and an electrolyte disposed in a volume between the positive and negative plates. The at least one negative plate includes a current collector, consisting essentially of a layer of carbon foam disposed on a substrate, and a chemically active material disposed on the current collector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.