Recent advances in non-noble metal-based electrocatalysts for hybrid water electrolysis systems  

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作  者:Xiaoyu Zhang Jiayi Wang Kai Zong Zhen Chen Xin Yang Lin Yang Xin Wang Zhongwei Chen 

机构地区:[1]Institute of Carbon Neutrality,Zhejiang Wanli University,Ningbo,China [2]South China Academy of Advanced Optoelectronics,South China Normal University,Guangdong,China [3]Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian,China

出  处:《Carbon Energy》2025年第3期157-185,共29页碳能源(英文)

基  金:Entrepreneurial and innovative team project of Ningbo Yinzhou District,Grant/Award Number:X.W.;National Natural Science Foundation of China,Grant/Award Number:22379047;Talent research start-up project of Zhejiang Wanli University,Grant/Award Number:SC1032345280480。

摘  要:The electrocatalytic water-splitting process is widely acknowledged as the most sustainable and environmentally friendly technology for hydrogen(H2)production.However,its energy efficiency is significantly constrained by the kinetically slow oxygen evolution reaction(OER)at the anode,which accounts for about 90%of the electrical energy consumption in the water-splitting process.A new strategy is urgently needed to reduce its energy consumption.In recent years,electrochemical oxidation of small molecules has been considered for replacement of OER for efficient H2 production,due to its benign operational conditions,low theoretical thermodynamic potential,high conversion efficiency and selectivity,and environmental sustainability.Hybrid electrolysis systems,by integrating cathodic hydrogen evolution reaction with anodic oxidation of small molecules,have been introduced,which can generate high-purity H2 and produce value-added products or pollutant degradation.In this review,we highlight the recent advancements and significant milestones achieved in hybrid water electrolysis systems.The focus is on non-noble metal electrocatalysts,reaction mechanisms,and the construction of electrolyzers.Additionally,we present the prevailing challenges and future perspectives pertinent to the evolution of this burgeoning technology.

关 键 词:highly efficient hydrogen production hybrid water electrolysis non-noble metal electrocatalysts small molecule oxidation 

分 类 号:O643.3[理学—物理化学]

 

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