Fig. 1: Electrochemical characterizations.
From: Membrane-free redox flow battery with polymer electrolytes

a Schematic of a polymer-based anolyte (solid or gel) and organic catholyte membrane-free system. b Chemical structure of Tri-TEMPO. c Cyclic voltammograms of PVDF-Li and Tri-TEMPO (5 mM) in FEC/LiTFSI (0.1 M). d Cyclic voltammograms of PPC-Li and Tri-TEMPO (5 mM) in TEGDME/LiTFSI (0.1 M). e Cycling stability of PVDF-Li and PPC-Li anolytes. Cyclic voltammograms of Tri-TEMPO (5 mM) at different scan rates in (f) FEC/LiTFSI (0.1 M) and (g) TEGDME/LiTFSI (0.1 M). Cycling stability of Tri-TEMPO (5 mM) in (h) FEC/LiTFSI (0.1 M) and (i) TEGDME/LiTFSI (0.1 M) for 200 cycles at a scan rate of 50 mV/S. Source data are provided as a Source Data file.