Recent advances in the application of phosphates and borates as electrocatalysts for water oxidation. (December 2020)

• Record Type: Journal Article
• Authors: Meng, Y.; Ni, G.; Jin, X.; Peng, J.; Yan, Q.Y.
• Is Part Of: Materials today nano. Volume 12(2020)
• Publication Date: 2020-12
• Subjects: Oxygen evolution reaction -- Electrocatalysis -- Metal phosphate -- Metal borate -- Active species; Nanoscience -- Periodicals; Nanotechnology -- Periodicals; Nanotechnology; Nanoscience; Nanotechnology -- Periodicals; Periodicals; Periodical; Electronic journals; Electronic journals; 620.5
• DOI: 10.1016/j.mtnano.2020.100095
• Languages: English
• ISSNs: 2588-8420

Abstract

Abstract: Electrocatalytic oxygen evolution reaction (OER) is considered as a core reaction for clean energy generation and storage. OER, as a half-reaction of water splitting, is a complicated and sluggish process. In recent years, increasing efforts have been devoted to improving the OER efficiency of transition metal phosphates and borates because of their outstanding activity and stability. In this review, the recent advances in transition metal phosphate- and borate-based electrocatalysts are summarized, including the synthetic approaches, catalytic performances, and the improvement strategies. First, the reaction pathways and thermodynamic of OER are introduced. The nature of catalytic active species of phosphates and borates are also discussed. Finally, a perspective for designing transition metal phosphates and borates to OER with high performance has been provided. Graphical abstract: In this minireview, we outline the recent advances in phosphate- and borate-based electrocatalysts toward the oxygen evolution reaction (OER). The electrocatalytic OER pathways are introduced at first. Second, the different types of transition metal (Mn, Fe, Co, and Ni) phosphates and borates are illustrated. Some viewpoints on electrocatalytic active sites of transition phosphates and borates are summarized. Finally, the major challenges in improving the OER electrocatalytic activity and stability of transition metal phosphates and borates are discussed. Image 1