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Article: Recent Advances and Perspectives on Coupled Water Electrolysis for Energy‐Saving Hydrogen Production
Title | Recent Advances and Perspectives on Coupled Water Electrolysis for Energy‐Saving Hydrogen Production |
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Authors | |
Keywords | coupled water electrolysis electrocatalysis hydrogen production industrial-scale current density small molecule oxidation |
Issue Date | 17-Feb-2025 |
Publisher | Wiley-VCH |
Citation | Advanced Science, 2025, v. 12, n. 7 How to Cite? |
Abstract | Overall water splitting (OWS) to produce hydrogen has attracted large attention in recent years due to its ecological-friendliness and sustainability. However, the efficiency of OWS has been forced by the sluggish kinetics of the four-electron oxygen evolution reaction (OER). The replacement of OER by alternative electrooxidation of small molecules with more thermodynamically favorable potentials may fundamentally break the limitation and achieve hydrogen production with low energy consumption, which may also be accompanied by the production of more value-added chemicals than oxygen or by electrochemical degradation of pollutants. This review critically assesses the latest discoveries in the coupled electrooxidation of various small molecules with OWS, including alcohols, aldehydes, amides, urea, hydrazine, etc. Emphasis is placed on the corresponding electrocatalyst design and related reaction mechanisms (e.g., dual hydrogenation and N–N bond breaking of hydrazine and C═N bond regulation in urea splitting to inhibit hazardous NCO− and NO− productions, etc.), along with emerging alternative electrooxidation reactions (electrooxidation of tetrazoles, furazans, iodide, quinolines, ascorbic acid, sterol, trimethylamine, etc.). Some new decoupled electrolysis and self-powered systems are also discussed in detail. Finally, the potential challenges and prospects of coupled water electrolysis systems are highlighted to aid future research directions. |
Persistent Identifier | http://hdl.handle.net/10722/355265 |
ISSN | 2023 Impact Factor: 14.3 2023 SCImago Journal Rankings: 3.914 |
DC Field | Value | Language |
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dc.contributor.author | Li, Jiachen | - |
dc.contributor.author | Ma, Yuqiang | - |
dc.contributor.author | Mu, Xiaogang | - |
dc.contributor.author | Wang, Xuanjun | - |
dc.contributor.author | Li, Yang | - |
dc.contributor.author | Ma, Haixia | - |
dc.contributor.author | Guo, Zhengxiao | - |
dc.date.accessioned | 2025-04-01T00:35:19Z | - |
dc.date.available | 2025-04-01T00:35:19Z | - |
dc.date.issued | 2025-02-17 | - |
dc.identifier.citation | Advanced Science, 2025, v. 12, n. 7 | - |
dc.identifier.issn | 2198-3844 | - |
dc.identifier.uri | http://hdl.handle.net/10722/355265 | - |
dc.description.abstract | <p>Overall water splitting (OWS) to produce hydrogen has attracted large attention in recent years due to its ecological-friendliness and sustainability. However, the efficiency of OWS has been forced by the sluggish kinetics of the four-electron oxygen evolution reaction (OER). The replacement of OER by alternative electrooxidation of small molecules with more thermodynamically favorable potentials may fundamentally break the limitation and achieve hydrogen production with low energy consumption, which may also be accompanied by the production of more value-added chemicals than oxygen or by electrochemical degradation of pollutants. This review critically assesses the latest discoveries in the coupled electrooxidation of various small molecules with OWS, including alcohols, aldehydes, amides, urea, hydrazine, etc. Emphasis is placed on the corresponding electrocatalyst design and related reaction mechanisms (e.g., dual hydrogenation and N–N bond breaking of hydrazine and C═N bond regulation in urea splitting to inhibit hazardous NCO<sup>−</sup> and NO<sup>−</sup> productions, etc.), along with emerging alternative electrooxidation reactions (electrooxidation of tetrazoles, furazans, iodide, quinolines, ascorbic acid, sterol, trimethylamine, etc.). Some new decoupled electrolysis and self-powered systems are also discussed in detail. Finally, the potential challenges and prospects of coupled water electrolysis systems are highlighted to aid future research directions.</p> | - |
dc.language | eng | - |
dc.publisher | Wiley-VCH | - |
dc.relation.ispartof | Advanced Science | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | coupled water electrolysis | - |
dc.subject | electrocatalysis | - |
dc.subject | hydrogen production | - |
dc.subject | industrial-scale current density | - |
dc.subject | small molecule oxidation | - |
dc.title | Recent Advances and Perspectives on Coupled Water Electrolysis for Energy‐Saving Hydrogen Production | - |
dc.type | Article | - |
dc.identifier.doi | 10.1002/advs.202411964 | - |
dc.identifier.scopus | eid_2-s2.0-85214252485 | - |
dc.identifier.volume | 12 | - |
dc.identifier.issue | 7 | - |
dc.identifier.eissn | 2198-3844 | - |
dc.identifier.issnl | 2198-3844 | - |