Lithiated oxide materials and methods of manufacture
US6660432B2 · kind B2 · utility
85Cited by
9References
39Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 6, 2001 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | Sep 30, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A single phase cathodic material for use in an electrochemical cell represented by the formula:Li[LixCoyA1−x−y]O2wherein A=[MnzNi1−z]; wherein x is a numerical value ranging from approximately 0.00 to approximately 0.16; wherein y is a numerical value ranging from approximately 0.1 to approximately 0.30; wherein z is a numerical value ranging from approximately 0.40 to approximately 0.65; and wherein Lix is included in transition metal layers of the structure and/or wherein the material comprises a layered R-3m crystal structure having a c/a ratio greater than approximately 1.012.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.