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

Grant US12577204B2 Kind: B2 Mar 17, 2026

Assignee

BASF SE

Inventors

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

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, a 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 H01M 8/188

Filing Date

2021-03-22

Application No.

17915117

Claims

18