首页|Regulating ion transport behaviors toward dendrite-free potassium metal batteries:recent advances and perspectives

Regulating ion transport behaviors toward dendrite-free potassium metal batteries:recent advances and perspectives

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With abundant potassium resources and high capacity,potassium metal batteries(PMBs)present a compelling option for the next generation of energy storage technology.However,PMBs suffer from an unstable anode interface caused by uncontrolled dendrite growth,which results in unsatisfactory cyclability and safety concerns.Extensive investigations suggest that significant progress has been made in enhancing the interfacial stability of PMBs.The various effective strategies for stabilizing interfaces can ultimately be attributed to the regulation of the sluggish ion transfer kinetics and irregular deposition,i.e.,the arrangement of ion transport behaviors at the interface.Rational modulation of ions transport rate and ions deposition directions makes it possible to obtain a dendrite-free and smooth deposition plane.Herein,the influencing factors and action mechanism of K+interface transport behaviors are discussed to understand the nature of material design for constructing stable anode interfaces,including regulating the solvation and desolvation struc-tures,accelerating K+transport kinetics and controlling K+deposition direction.In addition,the deficiencies and pro-spects of the research on electrolyte,separators and designed electrode involved in the manufacturing and testing and ion transport process of PMBs are discussed.This review is expected to provide some possible directions for constructing dendrite-free interfaces in advanced PMBs-related research and offer significant insights for prospective experimental research and commercial appli-cations.

Ion transport rateIon transport directionInterfacePotassium metal batteriesDendrites growth

Lu-Kang Zhao、Xuan-Wen Gao、Tian-Zhen Ren、Da Wang、Da-Wei Wang、Zhao-Meng Liu、Hong Chen、Wen-Bin Luo

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School of Metallurgy,Northeastern University,Shenyang 110819,China

School of Chemical Engineering,The University of New South Wales,Sydney,NSW 2052,Australia

National Natural Science Foundation of ChinaLiaoning Revitalization Talents ProgramFundamental Research Funds for the Central UniversitiesFundamental Research Funds for the Central Universities

52272194XLYC2007155N2025018N2025009

2024

10.1007/s12598-023-02537-0

稀有金属(英文版)
中国有色金属学会

稀有金属(英文版)

CSTPCDEI
影响因子：0.801
ISSN：1001-0521
年,卷(期)：2024.43(4)
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