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Three-dimensional (3D) LiMn0.8Fe0.2PO4 nanoflowers assembled from interconnected nanoflakes as cathode materials for lithium ion batteries
Affiliation:1. Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China;2. Research Institute of Technology, Shandong WINA Green Power Technology Co., Ltd., Weifang 262700, China;1. School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China;2. Material Science and Engineering Institute, Sichuan University, Chengdu 610064, PR China;1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2. Department of Chemistry, Tianjin University, Tianjin 300072, China;3. Collaborative Innovation Center of Chemical Science and Engineer (Tianjin), Tianjin University, Tianjin 300072, China;1. College of Chemical Engineering, Sichuan University, Chengdu, 610065, PR China;2. College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, PR China;3. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia;1. Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, Fudan University, 2205 Songhu Road, Shanghai 200433, China;2. Central Academe, Shanghai Electric Group. Co., Ltd., 960 Zhongxin Road, Shanghai 200433, China;1. College of Chemical Engineering, Sichuan University, Chengdu 610065, PR China;2. Zigong Innovation Center of Zhejiang University, Zigong 643000, PR China;3. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia;1. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;2. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China;3. Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, China
Abstract:Three-dimensional (3D) olivine LiMn0.8Fe0.2PO4 nanoflowers constructed by two-dimensional (2D) nanoflakes have been successfully synthesized through an easy liquid phase method. Hierarchical LiMn0.8Fe0.2PO4/C could be easily formed via a liquid coating technology and subsequent calcination treatment. When acting as cathode materials for lithium ion batteries, the LiMn0.8Fe0.2PO4/C nanoflowers show excellent rate performance and cycle stability. The unique flower-like hierarchical structured LiMn0.8Fe0.2PO4 and thin carbon coating outside make this composite a promising candidate as cathode materials for lithium ion batteries.
Keywords:Liquid phase  Lithium iron manganese phosphate  Nanoflower  Electrochemical performance  Lithium ion battery
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