Cathode active material for non-aqueous electrolyte secondary battery and manufacturing method of the same
US8454925B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Jun 4, 2013 |
| Priority date | — |
| Expiry date | Jul 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a non-aqueous electrolyte secondary battery, in order to adjust a cathode active material in which guest cation such as Na and Li is included, alkaline metal fluoride which is expressed by a general formula AF and transition metal fluoride which is expressed by a formula M′ F2 are subjected to a mechanical milling process to produce metal fluoride compound AM′ F3. The mechanical milling process desirably uses a planetary ball mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.