基于同步辐射多谱学的电催化材料测量  

Synchrotron radiation-based multispectroscopy characterizations for electrocatalytic materials

作　　者：林运祥 汪莹 刘恒劼 宋礼[2] Yunxiang Lin;Ying Wang;Hengjie Liu;Li Song(Institutes of Physical Science and Information Technology,Anhui University,Hefei 230601,China;National Synchrotron Radiation Laboratory,University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]安徽大学物质科学与信息技术研究院,合肥230601 [2]中国科学技术大学国家同步辐射实验室,合肥230026

出　　处：《中国科学：化学》2023年第11期2145-2156,共12页SCIENTIA SINICA Chimica

基　　金：国家重点研发计划(编号:2020YFA0405803);国家自然科学基金(编号:12225508,U1932201);安徽省自然科学基金(编号:2208085QB30)资助项目。

摘　　要：基于电催化过程的能源转化与存储器件是实现绿色可持续发展的关键,催化剂局域结构与反应过程的精准探测与解析是其中的关键问题,如何准确实现上述结构探测具有一定挑战性.基于同步辐射大科学装置的表征方法为全面解析催化剂结构与反应过程提供了良好的研究平台,促进了研究人员对催化机理的全面理解.本文立足于本团队的研究结果,针对电催化材料研究的共性科学问题,总结并讨论了基于同步辐射表征方法的电催化材料测量的研究进展和科学机遇.重点综述了同步辐射表征方法的基本原理、同步辐射技术在电催化剂结构、反应过程表征中的应用,总结了用于揭示局域结构-中间物种-催化性能的测量方法.最后,对基于同步辐射的电催化材料测量所面临的挑战和科学机遇进行了展望,希望为相关表征方法和材料设计提供思路.Energy conversion and storage devices based on electrocatalytic processes are key to achieving green and sustainable development.The precise detection and analysis of catalyst local structures and reaction processes are crucial issues,and accurately achieving structural detection poses certain challenges.Characterization methods based on synchrotron radiation in large-scale scientific facilities provide a good research platform for comprehensive analysis of catalyst structures and reaction processes,promoting researchers’comprehensive understanding of catalytic mechanisms.Therefore,in this review,based on the research results of our team,we summarize and discuss the research progress and scientific opportunities of synchrotron radiation-based measurements of electrocatalytic materials for common scientific issues in electrocatalytic material research.We focus on the basic principles of synchrotron radiation characterization methods,synchrotron radiation technology for electrocatalyst structures and reaction processes,and summarize the measurement methods for comprehensively revealing local structures,intermediate species,and catalytic performance.Finally,we point out the challenges and scientific opportunities faced by synchrotron-based measurements of electrocatalytic materials,hoping to provide ideas for relevant characterization methods and material design.

关 键 词：同步辐射 原位探测 结构解析 催化机理 多谱学探测 

分 类 号：O64[理学—物理化学]