QuantumScape Corporation
CATHOLYTE MANAGEMENT FOR A SOLID-STATE SEPARATOR

Abstract:

Provided herein are electrochemical cells that include a seal impermeable to a liquid electrolyte and that is bonded to a solid-state Li ion-conducting electrolyte in a manner that effectively isolates and protects a Li metal negative electrode from exposure to either, or both, a liquid electrolyte or a gel electrolyte used as a catholyte in the positive electrode. Some of the electrochemical cells include a series of electrochemical stacks, which may be stacked in a variety of configurations including configurations that share a Li metal negative electrode.