Citation: Haoying ZHAI, Jing WEI, Wenjie LIAO, Jiarui HUANG, Yangli EQI, Weimin GUO, Wenjun ZHOU. B-doped FeCo phytate complex as an efficient electrocatalyst for oxygen evolution reaction[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(6): 1276-1288. doi: 10.11862/CJIC.20260011 shu

B-doped FeCo phytate complex as an efficient electrocatalyst for oxygen evolution reaction

1.
Key Laboratory of Fruit Waste Treatment and Resource Recycling of Sichuan Provincial College, Special Agricultural Resources in Tuojiang River Basin Sharing and Service Platform of Sichuan Province, College of Chemistry and Environmental Engineering, Neijiang Normal University, Neijiang, Sichuan 641100, China
2.
College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, Guangxi 545006, China

Corresponding author: Weimin GUO, guoweimin8@163.com Wenjun ZHOU, zhwj84@126.com
Received Date: 10 January 2026
Revised Date: 25 March 2026

Figures(7)

Using sodium phytate (PA) as a ligand precursor, boron-doped iron-cobalt phytate materials (B-FeCoPA) were synthesized via a one-step hydrothermal method. Boron incorporation into FeCoPA effectively modulates the local bonding environment and electronic structure through synergistic B-Fe-Co interactions, thereby facilitating electron transfer and enhancing the electrocatalytic activity for the oxygen evolution reaction (OER). The optimized B-FeCoPA exhibited an outstanding OER catalytic activity in alkaline electrolyte, achieving low overpotentials of 299 mV at 10 mA·cm^-2 and 354 mV at 100 mA·cm^-2, a small Tafel slope of 46 mV·dec^-1, and a high Faradaic efficiency of 96%. Moreover, B-FeCoPA demonstrated good operational stability, maintaining a stable potential of approximately 1.52 V (vs RHE) at 10 mA·cm^-2 over a 10-h continuous test in 1.0 mol·L^-1 KOH.
- iron group metal,
- hydrothermal method,
- boron doping,
- phytate,
- oxygen evolution reaction
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沈阳化工大学材料科学与工程学院沈阳 110142