Advanced graphite additive for enhanced cycle-life of deep discharge lead-acid batteries
US10340523B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jan 25, 2016 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Oct 2, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49115
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An Advanced Graphite deep discharge lead acid battery is described including: a deep storage lead acid cell energy storage device comprises: an electrode comprising lead; an electrode comprising lead dioxide; a separator between the electrode comprising lead and the electrode comprising lead dioxide; an aqueous solution electrolyte containing sulfuric acid; and a carbon-based additive having a specific surface area of approximately 250 to 550 m2/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.