High performance layered cathode materials for high voltage sodium-ion batteries
US10325730B2 · kind B2 · utility
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Key dates
| Filing date | Sep 29, 2016 |
| Grant date | Jun 18, 2019 |
| Priority date | — |
| Expiry date | Apr 19, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode active material includes NaxMO2 having at least a first phase, a second phase different from the first phase, and a third phase that is different from the first and second phases, wherein each phase is independently selected from Pm or On, where m and n are individually an integer, M is a transition metal or a mixture of transition metals, and x is greater than 0 and less than or equal to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.