Highly aligned lithiophilic electrospun nanofiber membrane for the multiscale suppression of Li dendrite growth
作者机构：Department of Environmental Science and EngineeringXi'an Key Laboratory of Solid Waste Recycling and Resource RecoverySchool of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049China Department of Applied ChemistrySchool of ChemistryUniversity Engineering Research Center of Energy Storage Materials and Chemistry of Shaanxi ProvinceState Key Laboratory for Electrical Insulation and Power EquipmentXi'an Jiaotong UniversityXi'an 710049China Department of Chemical and Process EngineeringFaculty of Engineering and Physical SciencesAdvanced Technology InstituteUniversity of SurreyGuildford GU27XHSurreyEnglandUK Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of EducationSchool of Energy and Power EngineeringXi'an Jiaotong UniversityXi'anShaanxi710049China Advanced Research Center for NanolithographyScience Park 1061098 XGAmsterdamthe Netherlands Institute of Physics and Institute for Theoretical PhysicsUniversity of AmsterdamPostbus 944851090 GLAmsterdamthe Netherlands Faculty of Science and TechnologyBournemouth UniversityTalbot CampusFern BarrowPooleEnglandBH125BBUK
出 版 物：《eScience》 (电化学与能源科学（英文）)
年 卷 期：2022年第2卷第6期
页 面：655-665页
学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 0817[工学-化学工程与技术] 08[工学] 0807[工学-动力工程及工程热物理] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学] 0702[理学-物理学]
基 金：National Natural Science Foundation of China(52172097) Key Research and Development Program of Shaanxi Province(2022GY-301) Zhejiang Provincial Natural Science Foundation of China(LGF21E020001) Fundamental Research Foundation for the Central Universities of China(xjh012020031) China Scholarship Council foundation(201906285020) Qiong Cai would like to acknowledge the funding support from Faraday Institution LiSTAR Programme(EP/S003053/1,Grant FIRG014)
主 题：Aligned structure Protective layerLi dendrite Lithium sulfur battery Li metal battery
摘 要：Using inorganic fibrous membranes as protective layers has yielded success in suppressing dendrite ***,conventional fibrous membranes usually have large voids and low affinity for Li,promoting inhomogeneous charge distribution and allowing some dendrites to ***,we introduce a highly aligned TiO_(2)/SiO_(2)(A-TS)electrospun nanofiber membrane as a protective layer for the Li metal *** A-TS membrane is fabricated by a custom-made electrospinning system with an automatic fiber alignment collector that allows control of the fibers’*** the scale of the individual fibers,their high binding energies with Li can attract more“deadLi by reacting with the SiO_(2) component of the composite,avoiding uncontrollable deposition on the metal *** the membrane scale,these highly ordered structures achieve homogeneous contact and charge distribution on the Li metal surface,leaving no vulnerable areas to nucleate dendrite ***,the excellent mechanical and thermal stability properties of the A-TS membrane prevent any potential puncturing by dendrites or thermal runaway in a ***,an A-TS@Li anode exhibits stable cycling performance when used in both Li-S and Li-NCM811 batteries,highlighting significant reference values for the future design and development of high-energy-density metal-based battery systems.
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