Rechargeable metal or metal-ion cell
US9203080B2 · kind B2 · utility
5Cited by
5References
19Claims
0Family size
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Key dates
| Filing date | Nov 16, 2011 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Jun 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rechargeable metal ion cell comprising: an anode comprising at least one metal; a charge-carrying electrolyte comprising a charge carrying medium and at least one metal salt; and an organic polymer cathode, wherein such cathode comprises at least one N-substituted polyphenothiazine polymer [polymer (P)], such polymer (P) comprising at least one N-substituted phenothiazine recurring unit of formula:wherein R′ is an electron-withdrawing group comprising at least one heteroatom selected from the group consisting of O, S, P, and N.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.