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

Abstract

Electrochemical water splitting requires efficient water oxidation catalysts to accelerate the sluggish kinetics of water oxidation reaction. Here in this paper, 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.

Authors:
 [1];  [2];  [3];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [4]
  1. KTH Royal Inst. of Technology, Stockholm (Sweden). Dept. of Chemistry
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
  4. KTH Royal Inst. of Technology, Stockholm (Sweden). Dept. of Chemistry; Dalian Univ. of Technology, Dalian (China). State Key Lab. of Fine Chemicals, Inst. of Artificial Photosynthesis, DUT-KTH Joint Education and Research Centre on Molecular Devices
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NNSF); Swedish Energy Agency; Knut & Alice Wallenberg Foundation; Swedish Research Council (SRC)
OSTI Identifier:
1426183
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Electrocatalysis; Electronic devices; Energy; Heterogeneous catalysis

Citation Formats

Zhang, Peili, Li, Lin, Nordlund, Dennis, Chen, Hong, Fan, Lizhou, Zhang, Biaobiao, Sheng, Xia, Daniel, Quentin, and Sun, Licheng. Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation. United States: N. p., 2018. Web. https://doi.org/10.1038/s41467-017-02429-9.
Zhang, Peili, Li, Lin, Nordlund, Dennis, Chen, Hong, Fan, Lizhou, Zhang, Biaobiao, Sheng, Xia, Daniel, Quentin, & Sun, Licheng. Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation. United States. https://doi.org/10.1038/s41467-017-02429-9
Zhang, Peili, Li, Lin, Nordlund, Dennis, Chen, Hong, Fan, Lizhou, Zhang, Biaobiao, Sheng, Xia, Daniel, Quentin, and Sun, Licheng. Fri . "Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation". United States. https://doi.org/10.1038/s41467-017-02429-9. https://www.osti.gov/servlets/purl/1426183.
@article{osti_1426183,
title = {Dendritic core-shell nickel-iron-copper metal/metal oxide electrode for efficient electrocatalytic water oxidation},
author = {Zhang, Peili and Li, Lin and Nordlund, Dennis and Chen, Hong and Fan, Lizhou and Zhang, Biaobiao and Sheng, Xia and Daniel, Quentin and Sun, Licheng},
abstractNote = {Electrochemical water splitting requires efficient water oxidation catalysts to accelerate the sluggish kinetics of water oxidation reaction. Here in this paper, 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.},
doi = {10.1038/s41467-017-02429-9},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United States},
year = {2018},
month = {1}
}

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