Lithium iron phosphate, preparation method therefor, and lithium-ion battery
US12170371B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 8, 2022 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Feb 8, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present application relates to lithium iron phosphate, a preparation method therefor, and a lithium-ion battery. The preparation method includes: sintering dry materials of an iron source, a lithium source, a phosphorus source, and a reductive carbon source to obtain lithium iron phosphate, wherein the sintering atmosphere includes a mild oxidizing gas, the mild oxidizing gas includes carbon dioxide, and the sintering temperature is 800-900° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.