Positive-electrode active material for non-aqueous electrolyte secondary cell and process for preparing the same
US7384664B2 · kind B2 · utility
4Cited by
5References
6Claims
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Key dates
| Filing date | Feb 26, 2003 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Dec 24, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive-electrode active material for non-aqueous electrolyte secondary cells which combine improved discharge property and operational safety, and a process for preparing the same are provided. The positive-electrode active material comprises a base and one or more layers for coating the base, wherein at least one of the layers is a coating layer comprising one or more metallic components and one or more components selected from the group consisting of sulfur, selenium, and tellurium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.