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Published on: November 10, 2014
3D dual-gradient lithiophilic AgNWs@ZnO modified separator for boosting stable lithium metal batteries
Mengyu Gao1, Qi Zhang1, Yuan Tian1
1Institute for New Energy Materials and Low-Carbon Technologies, Tianjin Key Laboratory of Advanced Functional Porous Materials, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China. tianyuan@email.tjut.edu.cn.
Abstract:
A three-dimensional zinc oxide coated silver nanowire (AgNWs@ZnO) network structure with dual-gradient lithiophilicity and conductivity has been designed to modify a commercial polypropylene (PP) separator for guiding uniform lithium deposition and further protecting lithium metal anodes. An Li‖LFP full cell with an AgNWs@ZnO/PP modified separator can stably cycle for 600 cycles at 1C and maintain a 95% capacity retention rate.
