Anodes for lithium-based energy storage devices
US12191501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2023 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Feb 16, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods of making an anode for a lithium-based energy storage device such as a lithium-ion battery are disclosed. Methods may include providing a current collector. The current collector may include an electrically conductive layer and a surface layer overlaying over the electrically conductive layer. The surface layer may have an average thickness of at least 0.002 μm. The surface layer may include a metal chalcogenide including at least one of sulfur or selenium. Methods may include depositing a continuous porous lithium storage layer onto the surface layer by a PECVD process. The continuous porous lithium storage layer may have an average thickness in a range of 4 μm to 30 μm and comprises at least 85 atomic % amorphous silicon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.