Manufacturing process of making negative electrodes for batteries
US11876213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2020 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | May 21, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of making an electrode material for an electrode in an electrochemical cell that cycles lithium ions is provided, where a protective coating is applied to an electrode precursor material. The electrode precursor may be a silicon-containing composition. The protective coating is selected from the group consisting of: an oxide-based coating, a fluoride-based coating, and a nitride-based coating. The method also includes lithiating the electrode precursor material in a continuous process. The continuous process is conducted in a reactor having a first reaction chamber and a second reaction chamber to form a lithiated electrode material comprising the protective coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.