Hybrid energy storage devices having sodium
US9252461B2 · kind B2 · utility
2Cited by
2References
20Claims
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Key dates
| Filing date | Jul 23, 2013 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Feb 7, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Sodium energy storage devices employing aspects of both ZEBRA batteries and traditional Na—S batteries can perform better than either battery alone. The hybrid energy storage devices described herein can include a sodium anode, a molten sodium salt catholyte, and a positive electrode that has active species containing sulfur. Additional active species can include a transition metal source and NaCl. As a product of the energy discharge process, Na2Sx forms in which x is less than three.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.