Catholytes for solid state rechargeable batteries, battery architectures suitable for use with these catholytes, and methods of making and using the same

US11342630B2 · kind B2 · utility

Assignee

• QUANTUMSCAPE BATTERY, INC. · US

Inventors

• Greg Roberts · San Jose, US
• Zhebo Chen · San Jose, US
• Will Hudson · Belmont, US
• Rainer Fasching · Mill Valley, US
• Tiffany HO · Fremont, US
• Timothy P. Holme · Mountain View, US
• Mohit Singh · Berkeley, US
• Aram Yang · Berkeley, US

Key dates

• Filing date: Aug 29, 2017
• Grant date: May 24, 2022
• Expiry date: Feb 23, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

Provided herein are electrochemical cells having a solid separator, a lithium metal anode, and a positive electrode catholyte wherein the electrochemical cell includes a nitrile, dinitrile, or organic sulfur-including solvent and a lithium salt dissolved therein. Also set forth are methods of making and using these electrochemical cells.