Glass-coated cathode powders for rechargeable batteries
US10020495B2 · kind B2 · utility
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4References
22Claims
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Key dates
| Filing date | Mar 20, 2012 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Jun 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a cathode active material for use in a rechargeable battery, comprising a coated lithium nickel oxide powder or a coated lithium nickel manganese oxide powder, the powder being composed of primary particles provided with a glassy lithium silicate surface coating. A method for preparing the cathode active material comprises the steps of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.