Sodium ion based aqueous electrolyte electrochemical secondary energy storage device
US8741455B2 · kind B2 · utility
2Cited by
35References
20Claims
0Family size
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Key dates
| Filing date | Aug 29, 2011 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Nov 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.