Facet-Termination Promoted Uniform Zn (100) Deposition for High-Stable Zinc-Ion Batteries

Yifan Wang; Li’e Mo; Xianxi ZhangYingke RenTingting WeiZhaoqian LiYang HuangHong ZhangGuozhong CaoLinhua Hu

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Facet-Termination Promoted Uniform Zn (100) Deposition for High-Stable Zinc-Ion Batteries

机译：Facet-Termination Promoted Uniform Zn (100) Deposition for High-Stable Zinc-Ion Batteries

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Reversibility, usually evaluated by Coulombic efficiency (CE) and limited bydendrite growth, has become the major roadblock toward the widespreadcommercialization of zincion batteries. Tailoring the Zn deposition behavior isvital to prevent dendrite growth. In this work, the facet-terminator serine isintroduced to modulate the interface and obstruct the rampant growth of theZn (100) plane. The serine cation (Ser~+) is revealed to preferentially adsorbonto the electrode/electrolyte interface, suppressing the interfacial parasiticreaction. Theoretical analysis and postmortem/operando experimentaltechniques indicate that the Ser~+ bestows (100)-dominated morphology tozinc anodes, enabling a highly reversible and dendrite-free Zn anode. Thesefeatures endow the Zn anode with a long cyclic life of more than 800 h forZn//Zn batteries and a high average Coulombic efficiency of 99.8% at 5 mAcm~(?2) and 5 mAh cm~(?2) for Zn//Cu batteries. When assembling withcommercial V_2O_5, the full battery delivers a high capacity of 345.1 mAh g~(?1) at5 A g~(?1) with a retention of 74.1% over 2000 cycles.

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来源
《Advanced energy materials》 |2023年第31期|2301517.1-2301517.9|共9页
作者
Yifan Wang; Li’e Mo; Xianxi ZhangYingke RenTingting WeiZhaoqian LiYang HuangHong ZhangGuozhong CaoLinhua Hu;
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作者单位

Key Laboratory of Photovoltaic and Energy Conservation MaterialsInstitute of Solid State Physics, Hefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031, Chines,Science Island Branch of Graduate SchoolUniversity of Science and Technol;

Shandong Provincial Key LaboratoryCollaborative InnovationCenter ofChemical Energy StorageandNovelCell TechnologySchool of Chemistry and Chemical EngineeringLiaocheng UniversityLiaocheng 252000, China;

College of ScienceHebei University of Science and TechnologyShijiazhuang 050018, P. R. ChinaKey Laboratory of Photovoltaic and Energy Conservation MaterialsInstitute of Solid State Physics, Hefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031, ChineseHebei Computational Optical Imaging and Photoelectric DetectionTechnology Innovation CenterHebei International Joint Research Center for ComputationalOptical Imaging and Intelligent SensingSchool of Mathematics and Physics Science and EngineeringHebei UniDepartment of Materials Science and EngineeringUniversity ofWashingtonSeattle,WA 98195,USA;

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amino acid additives; aqueous zinc-ion batteries; dendrites; facettermination; interfaces;

Facet-Termination Promoted Uniform Zn (100) Deposition for High-Stable Zinc-Ion Batteries

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