Cathode active material, cathode comprising same, and secondary battery
US11888157B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jul 26, 2019 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Jan 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a cathode active material, a cathode comprising same, and a secondary battery. The cathode active material contains crystal water and a manganese-based metal oxide and has a first crystal phase having a two-dimensional crystal structure and a second crystal phase having a three-dimensional crystal structure, wherein the three-dimensional crystal structure is formed by the combination of manganese in the manganese-based metal oxide and oxygen in the crystal water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.