文献类型：期刊文献

英文题名：Modulating inner Helmholtz layer by electrocatalytically sieving [Zn (H2O)6]2+ for 10000-cycle zinc-ion hybrid capacitors under extremely harsh conditions

作者：Wu, Ziling[1];Zuo, Yinze[2];Zhang, Yongzheng[1];Li, Xiang[1];Zhang, Jing[5];Wang, Yanli[1];Shen, Chunyin[1];Cheng, Xiaomin[3,4];Liu, Meinan[6];Liu, Haitao[7];Lin, Hongzhen[3,4];Wang, Jian[3,4,8,9];Zhan, Liang[1];Ling, Licheng[1]

机构：[1]East China Univ Sci & Technol, State Key Lab Green Chem Engn & Ind Catalysis, Key Lab Specially Funct Polymer Mat & Related Tech, State Key Lab Chem Engn,Minist Educ, Shanghai 200237, Peoples R China;[2]Fuzhou Univ, Inst New Energy Mat & Engn, Coll Mat Sci & Engn, Fuzhou 350108, Peoples R China;[3]Chinese Acad Sci, i Lab & CAS Key Lab Nanophoton Mat, Suzhou 215123, Jiangsu, Peoples R China;[4]Chinese Acad Sci, Device Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Jiangsu, Peoples R China;[5]Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Peoples R China;[6]Guangxi Univ, Sch Resource Environm & Mat, State Key Lab Featured Met Mat & Life Cycle Safety, Nanning 530004, Peoples R China;[7]Natl Key Lab Computat Phys, Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China;[8]Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany;[9]Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany

年份：2024

卷号：70

外文期刊名：ENERGY STORAGE MATERIALS

收录：;EI(收录号：20242016093734);WOS:【SCI-EXPANDED(收录号:WOS:001266276700001)】；

基金：Z. W. and Y. Z. contributed equally to this work. This work was financially supported by the National Key R & D Program of China (2021YFA1201503), the National Natural Science Foundation of China (Nos. 21972164, 22279161, 12264038, 22309144, 22075081, 11874089), the Natural Science Foundation of Jiangsu Province (BK. 20210130), the Innovative and Entrepreneurial Doctor in Jiangsu Province (JSSCBS20211428), the China Postdoctoral Science Foundation (No. 2023M732561, 2023M731084), the Pilot Group Program of the Research Fund for International Senior Scientists (No. 22250710676), the Shanghai Sailing Program of China (23YF1408900) and the Fundamental Research Funds for the Central Universities (JKD01231701) . J. W. acknowledged the funding provided by the Alexander von Humboldt Foundation and the basic funding of the Helmholtz Association. Dr. Y. Z. Zhang thanks the Shanghai Super Postdoctoral Incentive Program. We also thank the support from Nano-X, Suzhou Institute of Nano -tech and Nanobionics, Chinese Academy of Sciences.

语种：英文

外文关键词：Zinc-ion hybrid capacitor; Inner Helmholtz plane; Desolvation kinetics; Electrocatalytic sieving; Extreme environment

摘要：Zinc-ion hybrid capacitors (ZIHCs) are famous for potential applications in grid-scale energy storage devices with fast-charge capability. However, their industrialization is severely plagued by inferior performance caused by the sluggish Zn2+ desolvation kinetics with large spatial diffusion hinderance of [Zn(H2O)6]2+ in the inner Helmholtz plane (IHP) layer, especially under low-temperature surroundings. Herein, the simultaneous rapid desolvation strategy via pore sieving and electrocatalysis is initially proposed to promote [Zn(H2O)6]2+ dissociation, regulating the isolated Zn2+ behaviors in the IHP. Specifically, heteroatom-decorated carbon microspheres with multi-level channels modulate the local distribution of electronic density, generating abundant catalytic sites to drive the kinetics of [Zn(H2O)6]2+ desolvation and free Zn2+ diffusion. Impressively, the catalytic desolvation behaviors and storage mechanism of ZIHCs are comprehensively investigated using in-situ electrochemical quartz crystal microbalance and various ex-situ/in-situ measurements as well as theoretical simulations, revealing significant interactions of isolated Zn2+ in the IHP. Consequently, the assembled ZIHCs exhibit a superior capacity of 177.2 mAh g- 1, corresponding to a high energy density of 158.8 Wh kg-1, and provide a power density as high as 15.7 kW kg-1. Exposed to extreme environment, the ZIHCs encountered with severe solvation structure stabilize for 10000 cycles withcapacity retention of 99.42%, providing new insights of catalytically sieving into modulating IHP for high-performance ZIHCs under extreme conditions.