Cathode active material for lithium rechargeable battery, manufacturing method thereof and lithium rechargeable battery
US8137844B2 · kind B2 · utility
11Cited by
1References
12Claims
0Family size
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Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Feb 14, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for manufacturing a cathode active material for a lithium rechargeable battery, including: selecting a first metal compound from a group consisting of a halide, a phosphate, a hydrogen phosphate and a sulfate of Mg or Al; selecting a second metal compound from a group consisting of an oxide, a hydroxide and a carbonate of Mg or Al; combining the first metal compound and the second metal compound to obtain a metal compound, the metal compound containing either Mg or Al atoms; mixing a lithium compound, a transition metal compound and the metal compound to obtain a mixture; and sintering the mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.