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Solution of tempo-derivatives for use as electrolyte in redox-flow cells

Grant US12577203B2 Kind: B2 Mar 17, 2026

Assignee

BASF SE

Inventors

Rainer Klopsch, Peter Oechsle, Harald Winsel, Alexander Michael Haydl, Joaquim Henrique Teles, Johann-Peter Melder, Jan-Dirk Arndt, Olaf Kriha, Alexandre Guthertz

Abstract

The present invention relates to a solution comprising water and different 2,2,6,6-tetramethyl-piperidinyl-oxyl (TEMPO)-derivatives, a process for the production of this solution, a process for making a redox-flow cell comprising the solution as electrolyte, the redox-flow cell comprising the solution as an electrolyte in one chamber of the cell and the use of the redox-flow cell for storing electrical energy.

CPC Classifications

C07D 211/58 C07D 211/94 H01M 8/08 H01M 8/188 H01M 2300/0005 Y02E 60/50 Y02P 70/50

Filing Date

2021-03-22

Application No.

17915116

Claims

12