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

Journal Article · · Nature Communications
 [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

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.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Natural Science Foundation of China (NNSF); Swedish Energy Agency; Knut & Alice Wallenberg Foundation; Swedish Research Council (SRC)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1426183
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 9; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Epitaxial Heterogeneous Interfaces on N-NiMoO 4 /NiS 2 Nanowires/Nanosheets to Boost Hydrogen and Oxygen Production for Overall Water Splitting journal November 2018
Recent Advances in Metallic Glass Nanostructures: Synthesis Strategies and Electrocatalytic Applications journal December 2018
Identification of Facet‐Governing Reactivity in Hematite for Oxygen Evolution journal November 2018
Copper–Nickel Nitride Nanosheets as Efficient Bifunctional Catalysts for Hydrazine‐Assisted Electrolytic Hydrogen Production journal April 2019
Single Atoms and Clusters Based Nanomaterials for Hydrogen Evolution, Oxygen Evolution Reactions, and Full Water Splitting journal May 2019
Amorphous Nanocages of Cu‐Ni‐Fe Hydr(oxy)oxide Prepared by Photocorrosion For Highly Efficient Oxygen Evolution journal February 2019
Amorphous Nanocages of Cu‐Ni‐Fe Hydr(oxy)oxide Prepared by Photocorrosion For Highly Efficient Oxygen Evolution journal March 2019
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Current Status of Self‐Supported Catalysts for Robust and Efficient Water Splitting for Commercial Electrolyzer journal October 2019
Improved Electrocatalytic Performance in Overall Water Splitting with Rational Design of Hierarchical Co 3 O 4 @NiFe Layered Double Hydroxide Core-Shell Nanostructure journal March 2018
Improved Electrocatalytic Performance in Overall Water Splitting with Rational Design of Hierarchical Co 3 O 4 @NiFe Layered Double Hydroxide Core-Shell Nanostructure journal April 2018
Enhanced Water Oxidation Activity by Introducing Gallium into Cobalt‐Iron Oxide System journal November 2019
Nickel Foam‐Supported Amorphous FeCo(Mn)−O Nanoclusters with Abundant Oxygen Vacancies through Selective Dealloying for Efficient Electrocatalytic Oxygen Evolution journal February 2020
Two-Step Synthesis of Cobalt Iron Alloy Nanoparticles Embedded in Nitrogen-Doped Carbon Nanosheets/Carbon Nanotubes for the Oxygen Evolution Reaction journal June 2018
Recent Advances in the Development of Molecular Catalyst‐Based Anodes for Water Oxidation toward Artificial Photosynthesis journal November 2018
Smart Control of Composition for Double Perovskite Electrocatalysts toward Enhanced Oxygen Evolution Reaction journal October 2019
Reversible ternary nickel‐cobalt‐iron catalysts for intermittent water electrolysis journal January 2020
One‐dimensional and two‐dimensional synergized nanostructures for high‐performing energy storage and conversion journal November 2019
Noble-Metal-Free Electrocatalysts for Oxygen Evolution journal November 2018
Ultrafine Metallic Nickel Domains and Reduced Molybdenum States Improve Oxygen Evolution Reaction of NiFeMo Electrocatalysts journal March 2019
A Robust Nonprecious CuFe Composite as a Highly Efficient Bifunctional Catalyst for Overall Electrochemical Water Splitting journal November 2019
Evaluation of Antimicrobial and Antidiabetic Activities of Ag@SiO2 Core–Shell Nanoparticles Synthesized with Diverse Shell Thicknesses journal September 2019
Nitrogen-Doped Sponge Ni Fibers as Highly Efficient Electrocatalysts for Oxygen Evolution Reaction journal March 2019
Three dimensional carbon substrate materials for electrolysis of water journal June 2018
A surface-modified antiperovskite as an electrocatalyst for water oxidation journal June 2018
Single atom tungsten doped ultrathin α-Ni(OH)2 for enhanced electrocatalytic water oxidation journal May 2019
Superb water splitting activity of the electrocatalyst Fe3Co(PO4)4 designed with computation aid journal November 2019
Chemical and structural origin of lattice oxygen oxidation in Co–Zn oxyhydroxide oxygen evolution electrocatalysts journal March 2019
Concentrated-acid triggered superfast generation of porous amorphous cobalt oxide toward efficient water oxidation catalysis in alkaline solution journal January 2019
Artificial photosynthesis: opportunities and challenges of molecular catalysts journal January 2019
Ni-Doped CuS as an efficient electrocatalyst for the oxygen evolution reaction journal January 2019
Flexible vanadium-doped Ni 2 P nanosheet arrays grown on carbon cloth for an efficient hydrogen evolution reaction journal January 2019
Hierarchically structured CoN/Cu 3 N nanotube array supported on copper foam as an efficient bifunctional electrocatalyst for overall water splitting journal January 2018
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Accelerative oxygen evolution by Cu-doping into Fe-Co oxides journal January 2020
Temperature and doping-tuned coordination environments around electroactive centers in Fe-doped α(β)-Ni(OH) 2 for excellent water splitting journal January 2020
Identifying high-efficiency oxygen evolution electrocatalysts from Co–Ni–Cu based selenides through combinatorial electrodeposition journal January 2019
Surface dual-oxidation induced metallic copper doping into NiFe electrodes for electrocatalytic water oxidation journal January 2019
A Setaria-inflorescence-structured catalyst based on nickel–cobalt wrapped silver nanowire conductive networks for highly efficient hydrogen evolution journal January 2019
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Amorphous FeO x ( x = 1, 1.5) coated Cu 3 P nanosheets with bamboo leaves-like morphology induced by solvent molecule adsorption for highly active HER catalysts journal January 2020
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