文献类型：期刊文献

英文题名：Boosting oxygen evolution reaction activity and durability of FeOOH-MOF composite at industrial-grade current densities by a facile corrosion strategy

作者：Huang, Yanbing[1];Gu, Zongli[1];Wang, Jiawen[1];Zhang, Hantao[1];Sun, Changhong[1];Xie, Haijiao[3];Kong, Aiqun[1];Guo, Wen[1];Liu, Jichang[1,2];Bao, Fuxi[1]

机构：[1]Shihezi Univ, Sch Chem & Chem Engn, State Key Lab Incubat Base Green Proc Chem Engn, Shihezi 832003, Peoples R China;[2]East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[3]Hangzhou Yanqu Informat Technol Co Ltd, Hangzhou 310003, Peoples R China

年份：2025

卷号：371

外文期刊名：APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY

收录：;EI(收录号：20250917980194);WOS:【SCI-EXPANDED(收录号:WOS:001439750300001)】；

基金：The authors would like to acknowledge the financial supports from the Tianchi Elite Talent Program (No. CZ002706) , the National Talent Plan Program (No. CZ002712 and No. KZ6009) , the High-level Talents Projects of Shihezi University (RCZK202324) , and the Bingtuan Science and Technology Program (No. 2023AB033) . This work was also sup-ported by the National Natural Science Foundation of China (No. U22B20141) , Science and Technology Innovation Talents Program of Shihezi University (No. ZG010603) . The authors would also like to thank Shiyanjia Lab ( www.shiyanjia.com ) for the XPS tests.

语种：英文

外文关键词：Transition metal oxyhydroxides; Metal-organic frameworks; Corrosion strategy; Oxygen evolution reaction; Surface reconstruction

摘要：The development of highly efficient and scalable electrocatalysts for the alkaline oxygen evolution reaction (OER) that operate stably at industrial current densities remains a major challenge. Herein, a (Fe,Ni)OOH-MOF/ NF OER electrocatalyst is synthesized by using a facile solvothermal process combined with a corrosion strategy. The as-synthesized electrocatalyst requires only 229 mV and 259 mV overpotentials to achieve the current densities of 10 mA cm-2 and 100 mA cm-2, respectively, and remains stable for 120 h at an industrial-level current density of 710 mA cm-2 (with an overpotential of 314 mV). In addition, a very low cell voltage (1.93 V @ 500 mA cm-2) and long-term stability (120 h) are achieved for two-electrode overall water splitting using (Fe,Ni)OOH-MOF/NF as the anode. DFT calculations indicate that the corrosion process optimizes the electronic structure and d-band center of the electrocatalyst, reducing the energy barrier for the rate-determining step (RDS: *OOH -> O2) of the OER. Furthermore, DFT results also imply that in (Fe,Ni)OOH-MOF/NF, Fe is more likely to act as the active site for OER. In situ Raman spectroscopy reveals the dynamic reconstruction behavior of electrocatalysts during the OER process. Additionally, in situ ATR-FTIR combined with pH-dependent and chemical probe experiments confirms that the OER mechanism of the electrocatalyst follows the adsorbate evolution mechanism (AEM).