Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume 2022, Issue 21, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.202200242
Keywords
Alloys; Electrocatalysis; Hydrogen oxidation reaction; Nanoparticles; Nickel
Categories
Funding
- Talent project of Revitalizing Liaoning [XLYC2002067]
- Science & Technology Innovation Funds of Dalian [2020JJ25CY003, 2021JB11GX005]
- Key Research and Development Plan of Liaoning Province [2020JH2/10100025]
- Fundamental Research Funds for the Central Universities [DUT19ZD208, DUT20ZD208]
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The pyrolysis of NiFe-containing nanocrystals results in the formation of NiFe alloy particles embedded in carbon with a size of 10.2 +/- 2.4 nm. The alloy particles exhibit an exceptional area specific exchange current density of 0.048 mA cm(Ni)(-2) for the alkaline hydrogen oxidation reaction, which is attributed to the optimized hydrogen and hydroxyl adsorption strength due to the alloying effect between Ni and Fe.
We report the pyrolysis of NiFe-containing nanocrystals, which leads to 10.2 +/- 2.4 nm NiFe alloy particles embedded in carbon with an exceptional area specific exchange current density of 0.048 mA cm(Ni)(-2) toward the alkaline hydrogen oxidation reaction (HOR). The high activity primarily originates from optimized hydrogen and hydroxyl adsorption strength due to alloying effect between Ni and Fe.
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