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Cited by 431Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsIron oxide chemistry and applications

Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation

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Zhang, Peili, Li, Lin, Nordlund, Dennis, Chen, Hong, Fan, Lizhou, Zhang, Biaobiao, Sheng, Xia, Daniel, Quentin +1 more·2018·Nature Communications
DOI 10.1038/s41467-017-02429-9PMC PMC5786058
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Abstract

Electrochemical water splitting requires efficient water oxidation catalysts to accelerate the sluggish kinetics of water oxidation reaction. Here, we report a promisingly dendritic core-shell nickel-iron-copper metal/metal oxide electrode, prepared via dealloying with an electrodeposited nickel-iron-copper alloy as a precursor, as the catalyst for water oxidation. The as-prepared core-shell nickel-iron-copper electrode is characterized with porous oxide shells and metallic cores. This tri-metal-based core-shell nickel-iron-copper electrode exhibits a remarkable activity toward water oxidation in alkaline medium with an overpotential of only 180 mV at a current density of 10 mA cm−2. The core-shell NiFeCu electrode exhibits pH-dependent oxygen evolution reaction activity on the reversible hydrogen electrode scale, suggesting that non-concerted proton-electron transfers participate in catalyzing the oxygen evolution reaction. To the best of our knowledge, the as-fabricated core-shell nickel-iron-copper is one of the most promising oxygen evolution catalysts.

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  • CoNx in the CoNx/NGA hybrid is amorphous.

    “Additionally, the high-resolution TEM (HRTEM) image of CoNx on NGA shows no obvious crystal lattice (Fig. 1e); the electron diffraction (SAED) pattern of the selected area presents vague diffraction rings, indicating an amorphous phase of CoNx in the hybrid (Fig. 1f) [43].”

    From In situ coupled amorphous cobalt nitride with nitrogen-doped graphene aerogel as a trifunctional electrocatalyst towards Zn-air battery deriven full water splitting (2019) · cites this paper as [43]

    The Results section (Synthesis and characterization of the CS-NiFeCu electrode; page unavailable) reports that HRTEM and SAED indicate an amorphous NiFeCu oxide shell. Searches for CoNx and NGA found no passage about the CoNx/NGA hybrid, so our copy does not establish whether CoNx in that hybrid is amorphous. (LLM, conf=0.77)

    Experimental — accuracy not yet measured

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Cited by

Sorted by citations

Authors
Zhang, P., Li, L., Nordlund, D., Chen, H., Fan, L., Zhang, B., Sheng, X., Daniel, Q., & Sun, L.
Affiliations
  • KTH Royal Institute of Technology (SE)
  • SLAC National Accelerator Laboratory (US)
  • Dalian University of Technology (CN)
Corresponding author
Sun, Licheng
ORCID
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2018-01-26
Volume
9
Issue
1
Pages
381-381
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/s41467-017-02429-9
PMC
PMC5786058
OpenAlex
W2788650396
Cited by
431
References
2
Citations by year
2026: 12 · 2025: 35 · 2024: 42 · 2023: 48 · 2022: 63 · 2021: 64 · 2020: 64 · 2019: 73 · 2018: 29 · 2012: 1
FWCI
13.28
Type
journal article
Language
en
Open access
Licence
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
  • Diva portal (Dalarna University Library) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • U.S. Department of Energy (76SF00515, DE–AC02–76SF00515, AC02‐76SF00515, No. DE-AC02–76SF00515, Contract No. DE-AC02-76SF00515, DE-AC02-)
  • National Natural Science Foundation of China (DE-AC02-76SF00515, 973 Program, 21120102036, 91233201, 21120102036, 91233201)
  • Vetenskapsrådet (21120102036, DE-AC02-76SF00515, 91233201)
  • Energimyndigheten (91233201, 21120102036)
  • Office of Science (AC02-76SF00515, DE-AC02-76SF0051 5, DE-AC02, 76SF00515)
  • National Key Research and Development Program of China (2014CB239402, 973 Program, 2014CB239402)
  • Basic Energy Sciences (DE-AC02, 76SF00515, Contract No. DE-AC02-76SF00515, AC02-76SF00515, DE-AC-02-76SF00515)
  • SLAC National Accelerator Laboratory (DEAC02−76SF00515, AC02‐76SF00515, Contract No. DE-AC02-76SF00515)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Iron oxide chemistry and applications
Keywords
oxygen evolution reaction, water oxidation, core-shell catalysts, dealloying, alkaline electrocatalysis, pH-dependent activity, proton-electron transfer, electrocatalysts

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