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Toward the Adoption of a Photocatalytic Membrane Electrode Assembly (P-MEA) System for Sustainable Green Hydrogen Production

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  • Mang Muan Lian

    (Air & Environment Energy Nexus (A2EN) Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Seoul 17104, Republic of Korea)

  • Bo-Sang Kim

    (Air & Environment Energy Nexus (A2EN) Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Seoul 17104, Republic of Korea)

  • Su-Min Lee

    (Air & Environment Energy Nexus (A2EN) Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Seoul 17104, Republic of Korea)

  • Su-Ho Ahn

    (Air & Environment Energy Nexus (A2EN) Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Seoul 17104, Republic of Korea)

  • Jung-Ho Yun

    (Air & Environment Energy Nexus (A2EN) Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Seoul 17104, Republic of Korea)

Abstract

Green hydrogen production using membrane electrode assembly (MEA) has attracted significant attention due to its remarkable energy conversion efficiency. To further enhance its sustainability, MEA-based water electrolysis can be integrated with renewable solar energy by adopting a photocatalytic MEA (P-MEA) system, incorporating light-transmitting windows into MEA stacks, and employing suitable photocatalytic electrode materials. A critical challenge lies in developing cost-effective and high-performance photocatalytic electrode materials by replacing conventional noble material systems with earth-abundant photocatalytic electrode materials. This review discusses recent advances in P-MEA concepts and fabrication strategies for photoelectrodes tailored to MEA operation. Particular emphasis is placed on elucidating the mechanisms of light-induced charge dynamics that govern the P-MEA-based water electrolysis process. Overall, this review highlights the synergistic potential of integrating photocatalysis with MEA-based water electrolysis to advance sustainable green hydrogen production.

Suggested Citation

  • Mang Muan Lian & Bo-Sang Kim & Su-Min Lee & Su-Ho Ahn & Jung-Ho Yun, 2025. "Toward the Adoption of a Photocatalytic Membrane Electrode Assembly (P-MEA) System for Sustainable Green Hydrogen Production," Sustainability, MDPI, vol. 17(22), pages 1-19, November.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:22:p:10037-:d:1791430
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