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A strategy to improve electrochemical water oxidation of FeOOH by modulating the electronic structure AITranslate

Haopeng Feng; Jing Tang; Wangwang Tang; Lin Tang; Jiangfang Yu; Jiajia Wang; Yaya Yang; Ting Ni; Chao Li; Jun Luo;
China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University); China|Key Laboratory of Environmental Biology and Pollution Control (Hunan University)
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Publisher: Elsevier
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Abstract AITranslate

The good performance of base metal oxides as alternative electrocatalysts for water oxidation has attracted great attention. However, the formed Fe-O bonds are not conducive to the dissociation of water molecule, which thus inhibit oxygen evolution reaction (OER). Herein, a facial on-site activation strategy is proposed to improve the OER activity of FeOOH by P doping. By optimizing the electronic structure, the obtained electrode exhibits an overpotential of 203 and 263 mV at 10 and 100 mA cm−2, respectively. Systematic experiments and theoretical analysis suggest that P doping can optimize the adsorption energy of OER intermediates by forming P-O bonds. Therefore, it enables P-FeOOH as a low-cost and efficient electrocatalyst and provides a strategy for designing new highly active and cost-effective catalysts for OER.

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DOI：https://doi.org/10.1016/j.apmt.2021.101252

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Citation Information:

The good performance of base metal oxides as alternative electrocatalysts for water oxidation has attracted great attention. However, the formed Fe-O bonds are not conducive to the dissociation of water molecule, which thus inhibit oxygen evolution reaction (OER). Herein, a facial on-site activation strategy is proposed to improve the OER activity of FeOOH by P doping. By optimizing the electronic structure, the obtained electrode exhibits an overpotential of 203 and 263 mV at 10 and 100 mA cm−2, respectively. Systematic experiments and theoretical analysis suggest that P doping can optimize the adsorption energy of OER intermediates by forming P-O bonds. Therefore, it enables P-FeOOH as a low-cost and efficient electrocatalyst and provides a strategy for designing new highly active and cost-effective catalysts for OER.

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GB/T 7714-2015 [1] Haopeng Feng, Jing Tang, Wangwang Tang, et al. Applied Materials Today, 2021(25). DOI:10.1016/j.apmt.2021.101252.
MLA [1] Haopeng Feng, et al., Applied Materials Today, no. 25, 2021, https://doi.org/10.1016/j.apmt.2021.101252.
APA [1] Haopeng Feng, Jing Tang, Wangwang Tang, Lin Tang, Jiangfang Yu, Jiajia Wang, Yaya Yang, Ting Ni, Chao Li, & Jun Luo. (2021). Applied Materials Today(25). https://doi.org/10.1016/j.apmt.2021.101252
IEEE [1] Haopeng Feng, Jing Tang, Wangwang Tang, Lin Tang, Jiangfang Yu, Jiajia Wang, Yaya Yang, Ting Ni, Chao Li, and Jun Luo, Applied Materials Today, no. 25, 2021, doi: 10.1016/j.apmt.2021.101252.