Synergistic regulation of de-solvation effect and planar deposition via in-situ interface engineering for ultra-stable dendrite-free Zn-ion batteries - Details

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Advanced　interfacial　engineering　is　essential　to　address　key　challenges　such　as　dendrite　formation,　parasitic　reactions,　and　sluggish　electrochemical　kinetics,　in　aqueous　zinc-ion　batteries.　In　this　study,　by　using　a　facile　self-assembly　method,　we　developed　an　armor-like　interfacial　layer　(ZSL)　on　the　Zn　surface,　serving　as　both　an　ion　re-distributor　and　a　protective　barrier.　This　compact　interfacial　layer　exhibits　suitable　hydrophilic　and　zincophilic　features,　enabling　consistent　and　uniform　Zn2+　flux　and　reducing　voltage　polarization.　The　ZSL　also　enhances　the　de-solvation　process,　speeds　up　zinc　deposition　kinetics,　and　suppresses　parasitic　reactions　induced　by　water　decomposition.　Furthermore,　it　decreases　the　surface　energy,　promoting　planar　deposition　of　Zn2+.　As　a　result,　the　modified　zinc　anodes　demonstrate　exceptional　cycling　stability,　maintaining　a　dendrite-free　surface　for　＞8000　h　with　minimal　byproduct　formation.　The　asymmetric　cell　utilizing　ZSL@Zn　anodes　exhibits　highly　stable　reversibility　over　6000　cycles　with　an　average　Coulombic　efficiency　(CE)　of　99.89　%.　In　full　cells　paired　with　Na2V6O16·3H2O　(NVO)　cathodes,　the　Zn-ion　batteries　exhibit　excellent　rate　performance　and　long-term　cycling　durability.　This　work　highlights　the　significant　role　of　in-situ　interfacial　layers　in　achieving　highly　stable　and　reversible　zinc　anodes　for　large-scale　zinc-ion　battery　applications.　©　2025　The　Author(s)

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Coordination polymers Interfacial layer Zinc dendrites Zn anode Zn metal batteries

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[ 1 ] [Yang T.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 2 ] [Shen T.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 3 ] [Liang Y.]College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 4 ] [Fang M.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 5 ] [Wu H.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 6 ] [Sheng O.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 7 ] [Chen H.]Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, 2007, NSW, Australia
[ 8 ] [Dong C.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 9 ] [Ji H.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 10 ] [Zhang J.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China
[ 11 ] [Zheng R.]School of Physics, The University of Sydney, Camperdown, 2006, NSW, Australia
[ 12 ] [Liu H.]Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, 2007, NSW, Australia
[ 13 ] [Wang G.]Centre for Clean Energy Technology, University of Technology Sydney, Broadway, Sydney, 2007, NSW, Australia
[ 14 ] [Zhang X.]International Research Center for EM Metamaterials & Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310012, China

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Source ：

Energy Storage Materials

ISSN： 2405-8297

Year： 2025

Volume： 80

1 8 . 9 0 0

JCR@2023

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