High green density ceramics for battery
QuantumScape Battery, Inc.
Set forth herein are processes and materials for making ceramic thin green tapes by casting ceramic source powders and precursor reactants, binders, and functional additives into unsintered thin green tapes in a non-reactive environment.
1ClaimsFirst of 17
- 1
A process for making a high density green tape, the process comprising: (a) providing a slurry comprising a source powder; (b) mixing the slurry with a binder solution in a non-reactive environment; (c) casting the slurry to form a green tape in a non-reactive environment; and (d) drying the green tape in a non-reactive environment to achieve a geometric density greater than 2.9 g/ml; wherein the at least one source powder is selected from the group consisting of lithium-stuffed garnet…
2Description
The present disclosure concerns precursors to inorganic green tapes with high density, processes for using these precursors to make the green tapes with high density, and processes for using the green tapes with high density to make sintered thin films