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Facile Electrodeposition Preparation of Low-Cost and High-Activity Nickel-Based Hydrogen Evolution Catalysts.

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Title: Facile Electrodeposition Preparation of Low-Cost and High-Activity Nickel-Based Hydrogen Evolution Catalysts.
Authors: Zuo, Hai-Chuan1 (AUTHOR), Lu, Guang-Yang1,2 (AUTHOR), Yang, Hai-Bo1 (AUTHOR), Chen, Qian1,2 (AUTHOR), Zeng, Jian-Ping1,2 (AUTHOR), Sun, Yong-Gang1 (AUTHOR), Chen, Song1 (AUTHOR) jsyccs@163.com
Source: Nanomaterials (2079-4991). May2026, Vol. 16 Issue 10, p619. 13p.
Subjects: Nickel catalysts, Hydrogen evolution reactions, Electroplating, Overpotential, Transition metals, Ab-initio calculations, Water electrolysis, Catalyst structure
Abstract: The hydrogen evolution reaction (HER) of hydrogen production by water electrolysis under alkaline conditions faces enormous challenges, namely, high catalyst overpotential and reliance on noble metal catalysts. As a transition metal, Ni has the advantages of low cost and excellent HER performance. This study aims to develop high-activity and low-cost HER catalysts to replace noble metal catalysts. In this work, a composite structured HER catalyst based on Ni and hybridized with Ni(OH)2 and NiO was prepared by multi-field coupled electrodeposition. Under the reversible hydrogen electrode (RHE), low overpotentials of 248 mV and 341 mV were achieved at current densities of 500 mA·cm−2 and 1000 mA·cm−2, respectively, making it more suitable for industrial high-current-density water electrolysis for hydrogen production. Moreover, the catalyst achieves long-term stable operation at a high current density of 1000 mA⋅cm−2 in industrial-grade ALK water electrolysis, with highly stable microstructure and chemical composition before and after the durability test. Theoretical calculations show that compared with the NiM catalyst, Ni@NiM enhances the adsorption capacity for water molecules, further optimizes the ion transport of the catalyst, and the complementarity and synergy in the electronic structure among these multiple components significantly improve the HER activity of the catalyst. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Facile Electrodeposition Preparation of Low-Cost and High-Activity Nickel-Based Hydrogen Evolution Catalysts.
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  Data: <searchLink fieldCode="AR" term="%22Zuo%2C+Hai-Chuan%22">Zuo, Hai-Chuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Guang-Yang%22">Lu, Guang-Yang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Hai-Bo%22">Yang, Hai-Bo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Qian%22">Chen, Qian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Jian-Ping%22">Zeng, Jian-Ping</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Yong-Gang%22">Sun, Yong-Gang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Song%22">Chen, Song</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jsyccs@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. May2026, Vol. 16 Issue 10, p619. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Nickel+catalysts%22">Nickel catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+evolution+reactions%22">Hydrogen evolution reactions</searchLink><br /><searchLink fieldCode="DE" term="%22Electroplating%22">Electroplating</searchLink><br /><searchLink fieldCode="DE" term="%22Overpotential%22">Overpotential</searchLink><br /><searchLink fieldCode="DE" term="%22Transition+metals%22">Transition metals</searchLink><br /><searchLink fieldCode="DE" term="%22Ab-initio+calculations%22">Ab-initio calculations</searchLink><br /><searchLink fieldCode="DE" term="%22Water+electrolysis%22">Water electrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Catalyst+structure%22">Catalyst structure</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The hydrogen evolution reaction (HER) of hydrogen production by water electrolysis under alkaline conditions faces enormous challenges, namely, high catalyst overpotential and reliance on noble metal catalysts. As a transition metal, Ni has the advantages of low cost and excellent HER performance. This study aims to develop high-activity and low-cost HER catalysts to replace noble metal catalysts. In this work, a composite structured HER catalyst based on Ni and hybridized with Ni(OH)2 and NiO was prepared by multi-field coupled electrodeposition. Under the reversible hydrogen electrode (RHE), low overpotentials of 248 mV and 341 mV were achieved at current densities of 500 mA·cm−2 and 1000 mA·cm−2, respectively, making it more suitable for industrial high-current-density water electrolysis for hydrogen production. Moreover, the catalyst achieves long-term stable operation at a high current density of 1000 mA⋅cm−2 in industrial-grade ALK water electrolysis, with highly stable microstructure and chemical composition before and after the durability test. Theoretical calculations show that compared with the NiM catalyst, Ni@NiM enhances the adsorption capacity for water molecules, further optimizes the ion transport of the catalyst, and the complementarity and synergy in the electronic structure among these multiple components significantly improve the HER activity of the catalyst. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/nano16100619
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 619
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      – SubjectFull: Nickel catalysts
        Type: general
      – SubjectFull: Hydrogen evolution reactions
        Type: general
      – SubjectFull: Electroplating
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      – SubjectFull: Overpotential
        Type: general
      – SubjectFull: Transition metals
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      – SubjectFull: Ab-initio calculations
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      – SubjectFull: Water electrolysis
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      – SubjectFull: Catalyst structure
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    Titles:
      – TitleFull: Facile Electrodeposition Preparation of Low-Cost and High-Activity Nickel-Based Hydrogen Evolution Catalysts.
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            NameFull: Zuo, Hai-Chuan
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              M: 05
              Text: May2026
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