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Electrolyte‐Mediated Selective Interfacial H‐Bond Network for Durable Seawater Electrolysis.

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Title: Electrolyte‐Mediated Selective Interfacial H‐Bond Network for Durable Seawater Electrolysis.
Authors: Zhang, Xingheng1 (AUTHOR), Feng, Fei1 (AUTHOR), Wang, Jianye1 (AUTHOR), Long, Zijian1 (AUTHOR), Cao, Shoufu2 (AUTHOR) caosf@sustech.edu.cn, Sun, Zhe3 (AUTHOR) zhe.sun@ucalgary.ca, Zhang, Yuchen4 (AUTHOR), Liu, Siyuan1 (AUTHOR), Liao, Bo3,5 (AUTHOR), Wang, Zhaojie1 (AUTHOR) wangzhaojie@upc.edu.cn, Lu, Xiaoqing1 (AUTHOR) luxq@upc.edu.cn
Source: Advanced Energy Materials. 7/1/2026, Vol. 16 Issue 25, p1-12. 12p.
Subject Terms: *Water electrolysis, *Nickel catalysts, *Energy consumption, *Proton transfer reactions, *Oxygen evolution reactions, *Electrolyte analysis, *Corrosion resistance
Abstract: Ni‐based catalysts, the most popular candidates for anodes in seawater electrolysis, are severely hampered by the corrosion‐induced degradation under high‐current‐density operation. Here, a minimalist electrolyte engineering was proposed to construct an interfacial H‐bond network for highly selective penetration, which effectively suppresses Cl− corrosion while facilitating OH− transfer. Through the introduction of trace sodium tungstate and sodium benzoate into alkaline seawater electrolyte, NiFe‐LDH anode exhibits exceptional stability exceeding 5000 h at 1.2 A cm−2. In situ spectroscopic analyses and computational simulations of MD, and AIMD reveal that the oxyanions promote the surface reconstruction into active NiFeOOH and induce reorientation of interfacial water molecules. It leads to a reversed O‐down configuration that strengthens catalyst‐network interaction and promotes Grotthuss‐type proton transfer. The resulting H‐bond network enhances redox kinetics, enriches interfacial OH− concentration, and establishes a Cl− lean microenvironment. This approach demonstrates across various nickel‐based catalysts and maintains performance under intermittent power supply conditions. Furthermore, it achieves a H2 production rate of 161 mL min−1 with an energy consumption of 4.3 kWh/Nm3 H2 on seawater electrolyzer. Our work provides a generalized electrolyte‐mediated strategy for seawater splitting, highlighting the critical role of interfacial hydrogen‐bond engineering in catalyst design and industrial application. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 195038340
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Electrolyte‐Mediated Selective Interfacial H‐Bond Network for Durable Seawater Electrolysis.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xingheng%22">Zhang, Xingheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Feng%2C+Fei%22">Feng, Fei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jianye%22">Wang, Jianye</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Long%2C+Zijian%22">Long, Zijian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Shoufu%22">Cao, Shoufu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> caosf@sustech.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Sun%2C+Zhe%22">Sun, Zhe</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> zhe.sun@ucalgary.ca</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Yuchen%22">Zhang, Yuchen</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Siyuan%22">Liu, Siyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liao%2C+Bo%22">Liao, Bo</searchLink><relatesTo>3,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Zhaojie%22">Wang, Zhaojie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wangzhaojie@upc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Lu%2C+Xiaoqing%22">Lu, Xiaoqing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> luxq@upc.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Advanced+Energy+Materials%22">Advanced Energy Materials</searchLink>. 7/1/2026, Vol. 16 Issue 25, p1-12. 12p.
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  Data: *<searchLink fieldCode="DE" term="%22Water+electrolysis%22">Water electrolysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Nickel+catalysts%22">Nickel catalysts</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br />*<searchLink fieldCode="DE" term="%22Proton+transfer+reactions%22">Proton transfer reactions</searchLink><br />*<searchLink fieldCode="DE" term="%22Oxygen+evolution+reactions%22">Oxygen evolution reactions</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrolyte+analysis%22">Electrolyte analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Corrosion+resistance%22">Corrosion resistance</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Ni‐based catalysts, the most popular candidates for anodes in seawater electrolysis, are severely hampered by the corrosion‐induced degradation under high‐current‐density operation. Here, a minimalist electrolyte engineering was proposed to construct an interfacial H‐bond network for highly selective penetration, which effectively suppresses Cl− corrosion while facilitating OH− transfer. Through the introduction of trace sodium tungstate and sodium benzoate into alkaline seawater electrolyte, NiFe‐LDH anode exhibits exceptional stability exceeding 5000 h at 1.2 A cm−2. In situ spectroscopic analyses and computational simulations of MD, and AIMD reveal that the oxyanions promote the surface reconstruction into active NiFeOOH and induce reorientation of interfacial water molecules. It leads to a reversed O‐down configuration that strengthens catalyst‐network interaction and promotes Grotthuss‐type proton transfer. The resulting H‐bond network enhances redox kinetics, enriches interfacial OH− concentration, and establishes a Cl− lean microenvironment. This approach demonstrates across various nickel‐based catalysts and maintains performance under intermittent power supply conditions. Furthermore, it achieves a H2 production rate of 161 mL min−1 with an energy consumption of 4.3 kWh/Nm3 H2 on seawater electrolyzer. Our work provides a generalized electrolyte‐mediated strategy for seawater splitting, highlighting the critical role of interfacial hydrogen‐bond engineering in catalyst design and industrial application. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195038340
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1002/aenm.71041
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Water electrolysis
        Type: general
      – SubjectFull: Nickel catalysts
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Proton transfer reactions
        Type: general
      – SubjectFull: Oxygen evolution reactions
        Type: general
      – SubjectFull: Electrolyte analysis
        Type: general
      – SubjectFull: Corrosion resistance
        Type: general
    Titles:
      – TitleFull: Electrolyte‐Mediated Selective Interfacial H‐Bond Network for Durable Seawater Electrolysis.
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            NameFull: Zhang, Xingheng
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            NameFull: Long, Zijian
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            NameFull: Zhang, Yuchen
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            NameFull: Liu, Siyuan
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            NameFull: Lu, Xiaoqing
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            – D: 01
              M: 07
              Text: 7/1/2026
              Type: published
              Y: 2026
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            – TitleFull: Advanced Energy Materials
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