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Ternary NiFeTiOOH Catalyst for the Oxygen Evolution Reaction: Study of the Effect of the Addition of Ti at Different Loadings

  • Wenjamin Moschkowitsch
    Wenjamin Moschkowitsch
    Department of Chemistry, Bar Ilan Institute for Nanotechnology and Advanced Materials (BINA), Bar Ilan University, Ramat-Gan 52900, Israel
  • Kapil Dhaka
    Kapil Dhaka
    Department of Materials Science and Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel
    More by Kapil Dhaka
  • Shmuel Gonen
    Shmuel Gonen
    Department of Chemistry, Bar Ilan Institute for Nanotechnology and Advanced Materials (BINA), Bar Ilan University, Ramat-Gan 52900, Israel
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  • Rinat Attias
    Rinat Attias
    Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel
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  • Yoed Tsur
    Yoed Tsur
    Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel
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  • Maytal Caspary Toroker*
    Maytal Caspary Toroker
    Department of Materials Science and Engineering,  The Nancy and Stephen Grand Technion Energy Program, Technion-Israel Institute of Technology, Haifa 3200003, Israel
    *Email for M.C.T.: [email protected]
  • , and 
  • Lior Elbaz*
    Lior Elbaz
    Department of Chemistry, Bar Ilan Institute for Nanotechnology and Advanced Materials (BINA), Bar Ilan University, Ramat-Gan 52900, Israel
    *Email for L.E.: [email protected]
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Cite this: ACS Catal. 2020, 10, 9, 4879–4887
Publication Date (Web):March 30, 2020
https://doi.org/10.1021/acscatal.0c00105
Copyright © 2020 American Chemical Society
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Abstract

The world’s shift to the production of energy from sustainable sources requires the development of large energy storage. One of the best methods to store surplus energy produced from environmentally friendly methods is as elemental hydrogen, using electrolysis in alkaline electrolyzers. Currently, this technology is hampered by the sluggish oxygen evolution reaction (OER), which limits its overall efficiency and durability. One of the most popular directions is to develop cheap, durable, and active platinum-group-metal-free (PGM-free) catalysts. In this category, the benchmark catalyst is NiFeOOH. Here, synthetic, electrochemical, spectroscopic, and theoretical methods were used to design, synthesize, and investigate novel PGM-free catalysts with enhanced durability and activity. Using an easy and cheap one-step synthetic precipitation method, titanium atoms in various amounts were introduced in the NiFeOOH structure, forming NixFeyTizOOH. One of these compounds (Ni:Fe:Ti = 85.75:7.70:6.55) shows a very low overpotential on GC (400 mV, at a current density of 10 mA/cm2) and high current density (27.9 mA cm–2) at a potential of 1.8 V vs RHE. This is a higher activity toward the OER in comparison to the benchmark catalyst; in addition, the compound has higher stability at prolonged exposure to high potentials.

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  • Calculations for the Fe content, SAED, CV for activated and unactivated catalysts, XPS spectra, additional structures of catalysts, oxidation states, and PDOS (PDF)

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This article is cited by 9 publications.

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  2. Jianjun Zhu, Yikai Lu, Chenchen Liu, Tao Cheng, Shengjie Xu, Di Li, Deli Jiang. Template confined construction of Fe–NiCoP/NiCoP/NF heterostructures for highly efficient electrocatalytic oxygen evolution reaction. International Journal of Hydrogen Energy 2021, 488 https://doi.org/10.1016/j.ijhydene.2021.09.037
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  4. Licheng Wei, Yufei Zhang, Yang Yang, Minghui Ye, Chengchao Li. In‐Situ Activated NiFePBA‐FeOOH Electrocatalyst for Oxygen Evolution Reaction and Zinc‐Air Battery. ChemistrySelect 2021, 6 (15) , 3683-3691. https://doi.org/10.1002/slct.202100911
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  7. Shi Feng Zai, An Qi Dong, Jian Li, Zi Wen, Chun Cheng Yang, Qing Jiang. Low-crystallinity mesoporous NiGaFe hydroxide nanosheets on macroporous Ni foam for high-efficiency oxygen evolution electrocatalysis. Journal of Materials Chemistry A 2021, 9 (10) , 6223-6231. https://doi.org/10.1039/D1TA00122A
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