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Fabrication of excellent bifunctional electrocatalyst FeNi-LDH@L-NiCoP using ZIF as a sacrifice template for alkaline electrolysis of water.

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Title: Fabrication of excellent bifunctional electrocatalyst FeNi-LDH@L-NiCoP using ZIF as a sacrifice template for alkaline electrolysis of water.
Authors: Zhang, Boxuan1,2, Cui, Jinxing1,2,3 cuijinxing200@163.com, Li, Zhifang2,3, Yang, Changlong1,2,3 changlongy@163.com, Dong, Weiwei1,2, Li, Ke1,2
Source: Molecular Catalysis. May2025, Vol. 579, pN.PAG-N.PAG. 1p.
Subjects: Layered double hydroxides, Bifunctional catalysis, Water electrolysis, Charge transfer, Crystallization
Abstract: • FeNi-LDH@L-NCP/NF was synthesized by using L-Co-ZIF as a template. • FeNi-LDH@L-NCP/NF exhibited superior bifunctional OER/HER catalytic performances. • Enhancing charge transfer between L-NCP and FeNi-LDH boosts the kinetics of HER and OER reactions The key to generating hydrogen by electrolysis of water is to design the low-cost and high-catalytic activity catalyst. In this paper, FeNi-Layered Double Hydroxide@L-NCP/nickel foam (FeNi-LDH@L-NCP/NF) is prepared using leaf-like zeolitic imidazolate framework (L-Co-ZIF) as the precursor, phosphating to produce NiCoP (denoted as L-NCP) and then growing FeNi layered double hydroxide (FeNi-LDH) through a hydrothermal crystallization method. FeNi-LDH@L-NCP/NF is an exceptional catalyst for hydrogen evolution reaction (HER) as well as oxygen evolution reaction (OER). It shows the low overpotential of FeNi-LDH@L-NCP/NF and the values are 106 and 220 mV at 10 mA·cm-2 in 1 M KOH for HER and OER, respectively. This is because the more ordered L-NCP is formed due to the role of the ZIF templates, which favors rapid charge transfer between the electrolyte and the electrode, thereby promoting its catalytic performance. The synergistic effect of FeNi-LDH and L-NCP also contributes to activity. In this paper, The FeNi-LDH@L-NCP/NF catalyst is obtained through a hybrid strategy by loading FeNi-LDH prepared via hydrothermal method onto the prepared MOF-derived L-NCP. Both NiCoP nanosheets grown vertically on NF and FeNi-LDH graded nanosheets can supply significant abundant active sites for HER and OER. The unique double-layer structure of FeNi-LDH and the network structure of L-NCP constitute a unique three-dimensional interface, which constitutes an efficient mass transfer channel and promotes charge transfer to further improve conductivity. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Molecular Catalysis is the property of Elsevier B.V. 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: Fabrication of excellent bifunctional electrocatalyst FeNi-LDH@L-NiCoP using ZIF as a sacrifice template for alkaline electrolysis of water.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Boxuan%22">Zhang, Boxuan</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Cui%2C+Jinxing%22">Cui, Jinxing</searchLink><relatesTo>1,2,3</relatesTo><i> cuijinxing200@163.com</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Zhifang%22">Li, Zhifang</searchLink><relatesTo>2,3</relatesTo><br /><searchLink fieldCode="AR" term="%22Yang%2C+Changlong%22">Yang, Changlong</searchLink><relatesTo>1,2,3</relatesTo><i> changlongy@163.com</i><br /><searchLink fieldCode="AR" term="%22Dong%2C+Weiwei%22">Dong, Weiwei</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Ke%22">Li, Ke</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Molecular+Catalysis%22">Molecular Catalysis</searchLink>. May2025, Vol. 579, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Layered+double+hydroxides%22">Layered double hydroxides</searchLink><br /><searchLink fieldCode="DE" term="%22Bifunctional+catalysis%22">Bifunctional catalysis</searchLink><br /><searchLink fieldCode="DE" term="%22Water+electrolysis%22">Water electrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+transfer%22">Charge transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Crystallization%22">Crystallization</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • FeNi-LDH@L-NCP/NF was synthesized by using L-Co-ZIF as a template. • FeNi-LDH@L-NCP/NF exhibited superior bifunctional OER/HER catalytic performances. • Enhancing charge transfer between L-NCP and FeNi-LDH boosts the kinetics of HER and OER reactions The key to generating hydrogen by electrolysis of water is to design the low-cost and high-catalytic activity catalyst. In this paper, FeNi-Layered Double Hydroxide@L-NCP/nickel foam (FeNi-LDH@L-NCP/NF) is prepared using leaf-like zeolitic imidazolate framework (L-Co-ZIF) as the precursor, phosphating to produce NiCoP (denoted as L-NCP) and then growing FeNi layered double hydroxide (FeNi-LDH) through a hydrothermal crystallization method. FeNi-LDH@L-NCP/NF is an exceptional catalyst for hydrogen evolution reaction (HER) as well as oxygen evolution reaction (OER). It shows the low overpotential of FeNi-LDH@L-NCP/NF and the values are 106 and 220 mV at 10 mA·cm-2 in 1 M KOH for HER and OER, respectively. This is because the more ordered L-NCP is formed due to the role of the ZIF templates, which favors rapid charge transfer between the electrolyte and the electrode, thereby promoting its catalytic performance. The synergistic effect of FeNi-LDH and L-NCP also contributes to activity. In this paper, The FeNi-LDH@L-NCP/NF catalyst is obtained through a hybrid strategy by loading FeNi-LDH prepared via hydrothermal method onto the prepared MOF-derived L-NCP. Both NiCoP nanosheets grown vertically on NF and FeNi-LDH graded nanosheets can supply significant abundant active sites for HER and OER. The unique double-layer structure of FeNi-LDH and the network structure of L-NCP constitute a unique three-dimensional interface, which constitutes an efficient mass transfer channel and promotes charge transfer to further improve conductivity. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Molecular Catalysis is the property of Elsevier B.V. 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.mcat.2025.115052
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Layered double hydroxides
        Type: general
      – SubjectFull: Bifunctional catalysis
        Type: general
      – SubjectFull: Water electrolysis
        Type: general
      – SubjectFull: Charge transfer
        Type: general
      – SubjectFull: Crystallization
        Type: general
    Titles:
      – TitleFull: Fabrication of excellent bifunctional electrocatalyst FeNi-LDH@L-NiCoP using ZIF as a sacrifice template for alkaline electrolysis of water.
        Type: main
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      – PersonEntity:
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            NameFull: Zhang, Boxuan
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            NameFull: Cui, Jinxing
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            NameFull: Li, Zhifang
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            NameFull: Yang, Changlong
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            NameFull: Dong, Weiwei
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            NameFull: Li, Ke
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            – D: 15
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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              Value: 24688231
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            – Type: volume
              Value: 579
          Titles:
            – TitleFull: Molecular Catalysis
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