In situ constructing(MnS/Mn2SnS4)@N,S-ACTs heterostructure with superior Na/Li-storage capabilities in half-cells and pouch full-cells

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外文摘要：Effective design of nanoheterostructure anode with high ion/electron migration kinetics can give electrode with superior electrochemical performance.However,the design and preparation of nanoheterostruc-ture composites with high-capacity and long cycling life in half and pouch full cells remain a big chal-lenge.Here,a novel micro-pore MnS/Mn2SnS4 heterostructure nanowire were in situ encapsulated into the N and S elements co-doped amorphous carbon tubes(abbreviated as(MnS/Mn2SnS4)@N,S-ACTs)and showed superior energy storage properties in Na-/Li-ion half cells and pouch full cells.The Na-/Li-storage capabilities improvement are attribute to the strong synergistic effect between MnS/Mn2SnS4 heterostruc-ture and N,S-ACTs protective layer,the former induces an local built-in electric field between Mn2SnS4 and MnS during charging/discharging,accelerating interfacial ion/electron diffusion dynamics,the latter effective maintains the morphology and volume evolution during Na+/Li+charging/discharging,achieving a long-term cycling stability(e.g.,high discharge capacity of 79.2 mAh/g with the capacity retention of 79.3％can be gained after 2200 cycles at 3 C in(MnS/Mn2SnS4)@N,S-ACTs//LiFePO4 pouch full cells;a high capacity of～34 mAh/g at 10 C can be got with a Coulombic efficiency of 100％after 1000 cycles in pouch(MnS/Mn2SnS4)@N,S-ACTs//Na3V2(PO4)2O2F full cells.

外文关键词：

(MnS/Mn2SnS4)@N,S-ACTsHeterostructureLong cycling lifeNa-/Li-ion half cellsPouch full cells

作者：

Dai-Huo Liu、Ao Wang、Hong-Yan Lü、Xing-Long Wu、Dan Luo、Wen-Hao Li、Jin-Zhi Guo、Haozhen Dou、Qianyi Ma、Zhongwei Chen

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作者单位：

Key Laboratory of Green Chemical Media and Reaction,Ministry of Education,Collaborative Innovation Center of Henan Province for Fine Chemicals Green Manufacturing of Fine Chemicals,School of Chemistry and Chemical Engineering,Henan Normal University,Xinxiang 453007,China

Power Battery and Systems Research Center,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China

Faculty of Chemistry,Northeast Normal University,Changchun 130024,China

MOE Key Laboratory for UV Light-Emitting Materials and Technology,Northeast Normal University,Changchun 130024,China

Department of Chemical Engineering,Waterloo Institute for Nanotechnology,Waterloo Institute for Sustainable Energy,Waterloo University,Waterloo,ON N2L 3G1,Canada

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出版年：

2024

DOI：

10.1016/j.cclet.2023.109285

中国化学快报(英文版)

中国化学会

中国化学快报(英文版)

CSTPCD

影响因子：0.771

ISSN：1001-8417

年,卷(期)：2024.35(11)