Use of nanoparticle compositions as heat transfer fluids in battery or other electrical equipment systems

US12415944B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Ulrich Fischer · Essen, DE
• Daniel Neß · Hanau, DE
• Stephan Wieber · Karlsruhe, DE
• Michael Hagemann · Shanghai, CN
• Gunter Schmitt · Darmstadt, DE
• Stefan Heberer · Gelnhausen, DE
• Jennifer Schrantz · Rheinfelden (Baden), DE
• Can Metehan Turhan · Dieburg, DE

Key dates

• Filing date: Jul 13, 2020
• Grant date: Sep 16, 2025
• Expiry date: Jul 31, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to the use of a nanoparticle composition as a heat transfer fluid in battery or other electrical equipment systems. The electrical equipment can be in particular electric batteries, electric motors, electric vehicle transmissions, electric transformers, electric capacitors, fluid-filled transmission lines, fluid-filled power cables, computers and power electronics such as electric power converters.