Zhiqing Tang , Baoxin Wu , Kejun Yan , Jiahui Luo , Mahmood Ul Haq , Lin Zeng
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Abstract
Anion exchange membrane water electrolysis (AEMWE), an emerging green hydrogen technology, combines the benefits of alkaline water electrolysis and proton exchange membrane water electrolysis positioning it as a highly promising hydrogen production technology. Ensuring AEMWE stability is critical for its commercialization and large-scale application. This review firstly presents a concise analysis of AEMWE principles, recent achievements, and key factors influencing catalyst and membrane stability, along with a summary of recent advancements. Meanwhile, from an engineering perspective, this review examines the impact of bubble dynamics and operational conditions such as temperature, electrolyte flow rate, current density, and operating pressure on AEMWE stability. In the end, this review summarized the challenges and recent advances related to AEMWE stability and provided valuable guidelines for developing durable electrolyzer.
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