Anode-free solid-state battery and method of battery fabrication
US11824159B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Apr 14, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An anode-free solid-state battery includes a cathode layer having transient anode elements and a bare current collector devoid of non-transitory anode material and configured to accept thereon the transient anode elements. The battery also includes a solid-state electrolyte layer defining voids and arranged between the current collector and the cathode layer. The battery additionally includes a gel situated within the solid-state electrolyte and cathode layers, to permeate the electrolyte voids and form a gelled solid-state electrolyte layer, coat the cathode layer, and facilitate ionic conduction of the anode elements between the cathode layer, the solid-state electrolyte layer, and the current collector. Charging the battery diffuses the anode elements from the cathode layer, via the gelled solid-state electrolyte layer, onto the current collector. Discharging the battery returns the anode elements, via the gelled solid-state electrolyte layer, to the cathode layer. A particular method is used to fabricate the anode-free solid-state battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.