Reversible Cl/Cl^- redox in a spinel Mn₃O₄ electrode.

ABSTRACT: A unique prospect of using halides as charge carriers is the possibility of the halides undergoing anodic redox behaviors when serving as charge carriers for the charge-neutrality compensation of electrodes. However, the anodic conversion of halides to neutral halogen species has often been irreversible at room temperature due to the emergence of diatomic halogen gaseous products. Here, we report that chloride ions can be reversibly converted to near-neutral atomic chlorine species in the Mn₃O₄ electrode at room temperature in a highly concentrated chloride-based aqueous electrolyte. Notably, the Zn²⁺ cations inserted in the first discharge and trapped in the Mn₃O₄ structure create an environment to stabilize the converted chlorine ato

SUBMITTER: Sandstrom SK 

PROVIDER: S-EPMC10646864 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature