ArticleRSC advances2026
Energy, economic, and environmental (3E) analysis of hybrid water electrolysis through alternative oxidation reactions.
Article in RSC advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
As the utilization of hydrogen expands to achieve carbon neutrality, increasing attention has been directed toward technologies capable of reducing energy consumption and greenhouse gas emissions during hydrogen production. Although green hydrogen production through renewable energy-based water electrolysis is regarded as an environmentally friendly pathway, conventional water electrolysis systems still suffer from high levelized cost of hydrogen due to substantial electricity consumption. To address this challenge, this study proposes a Hybrid Water Electrolysis (HWE) system in which the conventional oxygen evolution reaction is replaced by electrochemical oxidation reactions of organic compounds. A 1 MW-scale alkaline water electrolysis system employing Urea, Glycerol, 5-Hydroxymethylfurfural (HMF), and Glucose as reactants were modeled using Aspen Plus, followed by techno-economic analysis, and life cycle assessment. The analysis results showed that all HWE systems achieved higher hydrogen production rates than conventional alkaline water electrolysis systems (18.66 kg H
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