Water electrolysis technology holds the perfect promise of the hydrogen production,yet control of efficiency and rate of water electrolysis greatly relies on the availability of high-performance electrode materials for kinetic-sluggish oxygen evolution reaction(OER).Accordingly,substantial endeavors have been made to explore advanced electrode materials over the past decade.Recently,RuO_(2) and RuO_(2)-based materials have been demonstrated to be promising for OER due to their remarkable electrocatalytic activity and pH-universal application.Herein,the great achievements and progresses of this flourishing spot are comprehensively reviewed,which are started by a general description of OER to understand the reaction mechanism in detail.Subsequently,the key advantages and issues of RuO_(2) towards OER are also introduced,followed by proposing many advanced strategies for further promoting the electrocatalytic OER performance of RuO_(2).Finally,the daunting challenges and future progresses of RuO_(2) electrocatalysts toward practical water oxidation are highlighted,aiming to provide guidance for the fabrication of desirable RuO_(2)-based electrocatalysts toward OER.
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