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Hollow Bio-derived Polymer Nanospheres with Ordered Mesopores for Sodium-Ion Battery

查看全文 作　　者：Yan [1]Ai;Yuxiu [2]You;Facai [1]Wei;Xiaolin [1]Jiang;Zhuolei [1]Han;Jing [1]Cui;Hao [1]Luo;Yucen [1]Li;Zhixin [3]Xu;Shunqi [4]Xu;Jun [3]Yang;Qinye [1]Bao;Chengbin [1]Jing;Jianwei [5]Fu;Jiangong [6]Cheng;Shaohua [1,6]Liu 高影响力作者 机构地区：[1]State Key Laboratory of Precision Spectroscopy and Department of Materials,School of Physics and Electronic Science,East China Normal University,Shanghai 200241,People’s Republic of China;[2]Department of Physics and Astronomy,Shanghai Jiao Tong University,Shanghai 200240,People’s Republic of China;[3]School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai 200240,People’s Republic of China;[4]Center for Advancing Electronics Dresden(cfaed)and Department of Chemistry and Food Chemistry,Technische Universität Dresden,01062 Dresden,Germany;[5]School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450052,People’s Republic of China;[6]State Key Lab of Transducer Technology,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,People’s Republic of China高影响力机构 出　　处：《Nano-Micro Letters》索引2020年第12卷第3期,共11页高影响力期刊 基　　金：financially supported by the Natural Science Foundation of China (Grant Nos.51773062 and 61831021) 摘　　要：Bio-inspired hierarchical self-assembly provides elegant and powerful bottom-up strategies for the creation of complex materials.However,the current self-assembly approaches for natural bio-compounds often result in materials with limited diversity and complexity in architecture as well as microstructure.Here,we develop a novel coordination polymerization-driven hierarchical assembly of micelle strategy,using phytic acid-based natural compounds as an example,for the spatially controlled fabrication of metal coordination bio-derived polymers.The resultant ferric phytate polymer nanospheres feature hollow architecture,ordered meso-channels of^12 nm,high surface area of 401 m2 g−1,and large pore volume of 0.53 cm3 g−1.As an advanced anode material,this bio-derivative polymer delivers a remarkable reversible capacity of 540 mAh g−1 at 50 mA g−1,good rate capability,and cycling stability for sodium-ion batteries.This study holds great potential of the design of new complex bio-materials with supramolecular chemistry. 关 键 词：Self-assembly Biomimetic synthesis Mesoporous polymer Ferric phytate Sodium-ion battery
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