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

作     者：Jing Huang Xuefang Xie Kun Liu Shuquan Liang Guozhao Fang Jing Huang;Xuefang Xie;Kun Liu;Shuquan Liang;Guozhao Fang

作者机构：School of Minerals Processing and BioengineeringCentral South UniversityChangsha 410083China School of Materials Science and EngineeringCentral South UniversityChangsha 410083China Hunan Key Laboratory of Mineral Materials and ApplicationCentral South UniversityChangsha 410083China Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan ProvinceCentral South UniversityChangsha 410083China 

出 版 物：《Energy & Environmental Materials》 (能源与环境材料（英文）)

年 卷 期：2023年第6卷第1期

页      面：72-86页

核心收录：

学科分类：0808[工学-电气工程] 08[工学] 0703[理学-化学] 

基　　金：This work was supported by the National Natural Science Foundation of China (Grant no.51774330,52072411,51932011) the Natural Science Foundation of Hunan Province (Grant no.2021JJ20060) The science and technology innovation Program of Hunan Province (Grant no.2021RC3001). 

主　　题：cathode materials electrochemical activation in situ reconstruction multivalent-ion batteries 

摘      要：Multivalent-ion(such as Zn^(2+),Mg^(2+),Al^(3+))batteries are considered as a prospective alternative for large-scale energy storage.However,the main problem of cathode materials for multivalent-ion batteries is the sluggish diffusion of multivalent ions.Many cathode materials will self-adjust under electrochemical conditions to achieve the optimal state for multivalent-ion storage.In this review,the significant role of electrochemical in situ structural reconstruction of cathode materials is suggested.The types,basic characteristics,and formation mechanisms of reconstructed phases have been systematically discussed and commented.The 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 ions.Moreover,several crucial issues of electrochemical activation and reconstruction were further analyzed and discussed.The challenges and future perspectives are presented in the final section.