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Perspectives in Electrochemical in situ Structural reconstruction of Cathode Materials for Multivalent-ion Storage

Energy & Environmental Materials 2023年第1期6卷 72-86页

作者： Jing Huang Xuefang Xie Kun Liu Shuquan Liang Guozhao Fang School of Minerals Processing and Bioengineering Central South UniversityChangsha 410083China School of Materials Science and Engineering Central South UniversityChangsha 410083China Hunan Key Laboratory of Mineral Materials and Application Central South UniversityChangsha 410083China Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan Province Central South UniversityChangsha 410083China

Multivalent-ion(such as Zn^(2+),Mg^(2+),Al^(3+))batteries are considered as a prospective alternative for large-scale energy ***,the main problem of cathode materials for multivalent-ion batteries is the sluggish diffusion of multivalent *** cathode materials will self-adjust under electrochemical conditions to achieve the optimal state for multivalent-ion *** this review,the significant role of electrochemical in situ structural reconstruction of cathode materials is *** types,basic characteristics,and formation mechanisms of reconstructed phases have been systematically discussed and *** most important insight we pointed out is that the cathode materials with loose structures after in situ electrochemical activation are conducive to the reversible diffusion of multivalent ***,several crucial issues of electrochemical activation and reconstruction were further analyzed and *** challenges and future perspectives are presented in the final section.

关键词： cathode materials electrochemical activation in situ reconstruction multivalent-ion batteries

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Structural and interfacial engineering of well‐defined metal‐organic ensembles for electrocatalytic carbon dioxide reduction

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Chinese Journal of Catalysis 2022年第6期43卷 1417-1432页

作者： Fenglei Lyu Wei Hua Huirong Wu Hao Sun Zhao Deng Yang Peng Soochow Institute for Energy and Material Innovations College of EnergySoochow UniversitySuzhou 215006JiangsuChina Key Laboratory for Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow UniversitySuzhou 215006JiangsuChina Soochow Municipal Laboratory for Low Carbon Technologies and Industries Suzhou 215006JiangsuChina

Electrochemical carbon dioxide reduction(CO_(2)RR)has been generally regarded as green technologies that can convert renewable energy such as sunlight and wind into fuels and valuable ***,the large‐scale implementation of CO_(2)RR is severely hindered by the lack of high‐performance CO_(2)RR *** molecular catalysts and metal‐organic framework with well‐defined structure and high tunability of the metal centers and ligands show great promise for CO_(2)RR in terms of both fundamental understanding and practical ***,structural and interfacial engineering of these well‐defined metal‐organic ensembles is *** review starts from the fundamental electrochemistry of CO_(2)RR and its evaluation criteria,and then moves to the heterogeneous molecular catalysts and metal‐organic framework with emphasis on the engineering of metal centers and ligands,their interaction with supports,as well as in situ reconstruction of metal‐organic *** and outlook are present in the end,with the hope to inspire and provoke more genuine thinking on the design and fabrication of efficient CO_(2)RR electrocatalysts.

关键词： Carbon dioxide reduction Electrocatalysis Heterogeneous molecular catalyst Metal‐organic frameworks in situ reconstruction

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