Research Progress on Photovoltaic-electrolysis Hydrogen 
Production: Challenges under Fluctuating Power Supply

Yujie Ji; Zhipang Sun; Ziheng Li; Xin Meng

doi:10.70711/itr.v3i2.8657

Research Progress on Photovoltaic-electrolysis Hydrogen Production: Challenges under Fluctuating Power Supply

Yujie Ji, Zhipang Sun, Ziheng Li, Xin Meng

Abstract

With the growing global energy demand and the need for carbon emission reduction, renewable energy-driven hydrogen production has emerged as a promising pathway for green hydrogen generation.[1] However, the intermittency and volatility of photovoltaic and wind
power pose challenges to the stable operation and durability of water electrolyzers.
??This review summarizes recent research on hydrogen production under fluctuating renewable power, focusing on the effects of power fluctuations on the electrochemical performance and degradation of alkaline and proton exchange membrane electrolyzers. The characteristics of
wind and photovoltaic power fluctuations are discussed, and their impacts on electrochemical behavior, mass transport and material stability are
analyzed. In addition, particularly electrochemical impedance spectroscopy are highlighted for elucidating fluctuation-induced mechanisms.[4]
??Finally, key challenges and future research directions for improving the stability and reliability of renewable-powered hydrogen production systems are outlined.

Keywords

Photovoltaic hydrogen production; Electrolyzer performance and durability; PEM; Electrochemical impedance spectroscopy

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References

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DOI: http://dx.doi.org/10.70711/itr.v3i2.8657

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