Lithium-ion batteries
US6680145B2 · kind B2 · utility
57Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2001 |
| Grant date | Jan 20, 2004 |
| Priority date | — |
| Expiry date | Apr 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Improved lithium-ion batteries in which the cathode comprises particles that include (i) transition metal grains having a grain size no greater than about 50 nanometers; and (ii) lithium-containing grains selected from the group consisting of lithium oxides, lithium sulfides, lithium halides (e.g., chloride, bromides, iodides, or fluorides), and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.