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    1D iron cobaltite electrode for efficient electrochemical water oxidation

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    Name:
    pagination_MLBLUE_131663.pdf
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    1.063Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2024-01-10
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    Type
    Article
    Authors
    Babar, Pravin Tukaram cc
    Patil, Komal
    Bhoite, Pravin
    Pawar, Sambhaji
    Hyeok Kim, Jin
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Date
    2022-01-10
    Embargo End Date
    2024-01-10
    Submitted Date
    2021-10-18
    Permanent link to this record
    http://hdl.handle.net/10754/675038
    
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    Abstract
    Developing highly efficient, stable, and inexpensive electrocatalysts for oxygen evolution reaction (OER) is an ongoing challenge due to the high energy barrier imposed by the OER during electrochemical water splitting. Herein, we report one-dimensional iron-cobalt oxide (FeCo2O4) nanorod arrays supported on nickel foam (NF) synthesized via a simple chemical bath deposition (CBD) method to accelerate OER. Consequently, the FeCo2O4 nanorods exhibit significantly increased OER activity in alkaline solutions while maintaining high stability and a low OER overpotential of 290 mV at 25 mA cm−2. The improved OER performance is attributed to the electrode's enhanced intrinsic electrocatalytic activity, which is due to the synergetic effect of Fe and Co, a large number of active sites, and a low charge transfer resistance.
    Citation
    Babar, P., Patil, K., Bhoite, P., Pawar, S., & Hyeok Kim, J. (2022). 1D iron cobaltite electrode for efficient electrochemical water oxidation. Materials Letters, 312, 131663. doi:10.1016/j.matlet.2022.131663
    Sponsors
    This work was supported by the Human Resources Development Program (No. 20194030202470) of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) Grant funded by the Korean Government Ministry of Trade, Industry and Energy and also supported by Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology(2018R1A6A1A03024334).
    Publisher
    Elsevier BV
    Journal
    Materials Letters
    DOI
    10.1016/j.matlet.2022.131663
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0167577X22000167
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.matlet.2022.131663
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center

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