From the journal:

Chemical Communications

Effects of dissolved 3d-block metal ions on PEM water electrolysis performance†

Shuang Kong, ORCID logo *a   Kazuna Fushimi,a   Ailong Li ORCID logo a  and  Ryuhei Nakamura ORCID logo *ab  

* Corresponding authors

a Biofunctional Catalyst Research Team, RIKEN Center for Sustainable Resource Science (CSRS), 2-1 Hirosawa, Wako, Saitama, Japan
E-mail: shuang.kong@riken.jp, ryuhei.nakamura@riken.jp

b Earth-Life Science Institute (ELSI), Tokyo Institute of Technology, 2-12-1-I7E Ookayama, Meguro-ku, Tokyo, Japan

Abstract

The influence of water impurities caused by 3d-block metal ion dissolution on proton exchange membrane (PEM) water electrolysis was investigated. While Co2+ and Ni2+ significantly decreased membrane conductivity, MnO4− anions exhibited a negligible effect. As MnO4− had low affinity for perfluorosulfonic acid in the PEM, Mn oxides materials have promising potential for use in PEM water electrolyzers.

Graphical abstract: Effects of dissolved 3d-block metal ions on PEM water electrolysis performance

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Article information

DOI
https://doi.org/10.1039/D4CC04474F
Article type
Communication
Submitted
31 Aug 2024
Accepted
13 Nov 2024
First published
18 Nov 2024

Chem. Commun., 2024, Advance Article

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Effects of dissolved 3d-block metal ions on PEM water electrolysis performance

S. Kong, K. Fushimi, A. Li and R. Nakamura, Chem. Commun., 2024, Advance Article , DOI: 10.1039/D4CC04474F

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