In Situ Reconstructed Zn doped FexNi(1-x)OOH Catalyst for Efficient and Ultrastable Oxygen Evolution Reaction at High Current Densities

Zhang, Xian1,2; Yi, Hao3; Jin, Mengtian1; Lian, Qing1; Huang, Yu4; Ai, Zhong2; Huang, Runqing1; Zuo, Ziteng1; Tang, Chunmei4; Amini, Abbas5; Jia, Feifei2; Song, Shaoxian2; Cheng, Chun1,6

2022-08-01

10.1002/smll.202203710

Small   影响因子和分区

1613-6810

1613-6829

Developing FeOOH as a robust electrocatalyst for high output oxygen evolution reaction (OER) remains challenging due to its low conductivity and dissolvability in alkaline conditions. Herein, it is demonstrated that the robust and high output Zn doped NiOOH-FeOOH (Zn-FexNi(1-x))OOH catalyst can be derived by electro-oxidation-induced reconstruction from the pre-electrocatalyst of Zn modified Ni metal/FeOOH film supported by nickel foam (NF). In situ Raman and ex situ characterizations elucidate that the pre-electrocatalyst undergoes dynamic reconstruction occurring on both the catalyst surface and underneath metal support during the OER process. That involves the Fe dissolution-redeposition and the merge of Zn doped FeOOH with in situ generated NiOOH from NF support and NiZn alloy nanoparticles. Benefiting from the Zn doping and the covalence interaction of FeOOH-NiOOH, the reconstructed electrode shows superior corrosion resistance, and enhanced catalytic activity as well as bonding force at the catalyst-support interface. Together with the feature of superaerophobic surface, the reconstructed electrode only requires an overpotential of 330 mV at a high-current-density of 1000 mA cm(-2) and maintains 97% of its initial activity after 1000 h. This work provides an in-depth understanding of electrocatalyst reconstruction during the OER process, which facilitates the design of high-performance OER catalysts.

iron oxyhydroxide large current density long-term stability oxygen evolution reaction reconstruction

SCI ; EI

英语

第一 ; 通讯

National Key R&D Program of China[2021YFC2900900] ; National Natural Science Foundation of China["51776094","91963129"] ; Guangdong Provincial Key Laboratory of Energy Materials for Electric Power[2018B030322001] ; Fundamental Research Funds for the Central Universities[2020-YB-030] ; Student Innovation Training Program[2021S07]

Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics

Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter

WOS:000839888000001

WILEY-V C H VERLAG GMBH

20223312579068

Binary alloys ; Catalyst activity ; Catalyst supports ; Corrosion resistance ; Current density ; Electrodes ; Electrooxidation ; Iron alloys ; Iron compounds ; Oxygen ; Semiconductor doping

Metals Corrosion:539.1 ; Iron Alloys:545.2 ; Electricity: Basic Concepts and Phenomena:701.1 ; Semiconducting Materials:712.1 ; Electrochemistry:801.4.1 ; Chemical Reactions:802.2 ; Chemical Agents and Basic Industrial Chemicals:803 ; Chemical Products Generally:804

Web of Science

1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
2.Wuhan Univ Technol, Sch Resources & Environm Engn, Luoshi Rd 122, Wuhan 430070, Hubei, Peoples R China
3.Wuchang Univ Technol, Sch Artificial Intelligence, Wuhan 430223, Hubei, Peoples R China
4.Hohai Univ, Coll Sci, Nanjing 210098, Peoples R China
5.Western Sydney Univ, Ctr Infrastruct Engn, Kingswood, NSW 2751, Australia
6.Southern Univ Sci & Technol, Guangdong Prov Key Lab Energy Mat Elect Power, Shenzhen 518055, Peoples R China

Zhang, Xian,Yi, Hao,Jin, Mengtian,et al. In Situ Reconstructed Zn doped FexNi(1-x)OOH Catalyst for Efficient and Ultrastable Oxygen Evolution Reaction at High Current Densities[J]. Small,2022,18.

Zhang, Xian.,Yi, Hao.,Jin, Mengtian.,Lian, Qing.,Huang, Yu.,...&Cheng, Chun.(2022).In Situ Reconstructed Zn doped FexNi(1-x)OOH Catalyst for Efficient and Ultrastable Oxygen Evolution Reaction at High Current Densities.Small,18.

Zhang, Xian,et al."In Situ Reconstructed Zn doped FexNi(1-x)OOH Catalyst for Efficient and Ultrastable Oxygen Evolution Reaction at High Current Densities".Small 18(2022).