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Title: Navigating surface reconstruction of spinel oxides for electrochemical water oxidation
Authors: Sun, Yuanmiao
Wang, Jiarui
Xi, Shibo
Shen, Jingjing
Luo, Songzhu
Ge, Jingjie
Sun, Shengnan
Chen, Yubo
Hanna, John V.
Li, Shuzhou
Wang, Xin
Xu, Jason Zhichuan
Keywords: Engineering::Materials
Issue Date: 2023
Source: Sun, Y., Wang, J., Xi, S., Shen, J., Luo, S., Ge, J., Sun, S., Chen, Y., Hanna, J. V., Li, S., Wang, X. & Xu, J. Z. (2023). Navigating surface reconstruction of spinel oxides for electrochemical water oxidation. Nature Communications, 14(1), 2467-.
Project: MOE-T2EP10220-0001 
Journal: Nature Communications 
Abstract: Understanding and mastering the structural evolution of water oxidation electrocatalysts lays the foundation to finetune their catalytic activity. Herein, we demonstrate that surface reconstruction of spinel oxides originates from the metal-oxygen covalency polarity in the MT-O-MO backbone. A stronger MO-O covalency relative to MT-O covalency is found beneficial for a more thorough reconstruction towards oxyhydroxides. The structure-reconstruction relationship allows precise prediction of the reconstruction ability of spinel pre-catalysts, based on which the reconstruction degree towards the in situ generated oxyhydroxides can be controlled. The investigations of oxyhydroxides generated from spinel pre-catalysts with the same reconstruction ability provide guidelines to navigate the cation selection in spinel pre-catalysts design. This work reveals the fundamentals for manipulating the surface reconstruction of spinel pre-catalysts for water oxidation.
ISSN: 2041-1723
DOI: 10.1038/s41467-023-38017-3
Schools: School of Materials Science and Engineering 
Interdisciplinary Graduate School (IGS) 
Research Centres: Center for Advanced Catalysis Science and Technology, NTU
Energy Research Institute @ NTU (ERI@N) 
Rights: © The Author(s) 2023. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles
IGS Journal Articles
MSE Journal Articles

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