Benzidine Derivatives as Electroactive Materials for Aqueous Organic Redox Flow Batteries.

ABSTRACT: This paper presents a theoretical and experimental evaluation of benzidine derivatives as electroactive molecules for organic redox flow batteries. These redox indicators are novel electroactive materials that can perform multielectron transfers in aqueous media. We performed the synthesis, electrochemical characterization, and theoretical study of the dimer of sodium 4-diphenylamine sulfonate, a benzidine derivative with high water solubility properties. The Pourbaix diagram of the dimer shows a bielectronic process at highly acidic pH values (≤ 0.9) and two single-electron transfers in a pH range from 0 to 9. The dimer was prepared in situ and tested on a neutral electrochemical flow cell as a stability diagnostic. To improve cell performance, we calculate and calibrate, with expe

SUBMITTER: Flores-Leonar MM 

PROVIDER: S-EPMC10500672 | biostudies-literature | 2023 Sep

REPOSITORIES: biostudies-literature