Batteries with polymer electrolyte composites based on tetrahedral arylborate nodes

US10804565B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Sondra Hellstrom · East Palo Alto, US
• David Anthony Shaw Abram · Fort Lauderdale, US
• Michael Aubrey · Berkeley, US
• Jeffrey W. Long · Alexandria, US
• Katherine Harry · Oakland, US
• John F. Christensen · Elk Grove, US
• Hany Basam Eitouni · Oakland, US
• Jordan Axelson · Champaign, US

Key dates

• Filing date: Jul 31, 2018
• Grant date: Oct 13, 2020
• Expiry date: Nov 15, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

Solid electrolytes have a favorable combination of properties such as high conductivity, high transference number, optimum processability, and low brittleness. A composite electrolyte includes some amount of a class of network polymer electrolytes with high transference number and high room temperature conductivity, and an additional polymeric component to contribute mechanical integrity and/or processability. The solid electrolytes can include a network polymer having linked nodes composed of a tetrahedral arylborate composition and a linear polymer combined with the network polymer as a composite. The solid electrolytes can be used in thin films and in solid-state batteries.