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个人信息Personal Information
副教授
博士生导师
硕士生导师
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：化工学院
学科：功能材料化学与化工. 化学工艺
办公地点：大连理工大学西部校区化工综合楼A310
电子邮箱：NXiao@dlut.edu.cn
Boosting the sodium storage performance of coal-based carbon materials through structure modification by solvent extraction
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论文类型：期刊论文
发表时间：2020-06-01
发表刊物：CARBON
收录刊物：SCIE
卷号：162
页面范围：431-437
ISSN号：0008-6223
摘要：High-performance carbon anodes for sodium-ion batteries (SIBs) were synthesized with bituminous coal as precursor through solvent extraction and carbonization. The solvent extraction endows the coal-based carbon a hierarchical pore structure and enlarged interlayer distance, which can shorten the charge diffusion distance, alleviate the volume variation, and improve the ion diffusion rate. As a result, the modified coal-based electrodes exhibit impressive cycling stability (92% capacity retention after 7000th cycle at 2 A g(-1)) and excellent rate capability (79 mA h g(-1) at 10 A g(-1)). (C) 2020 Published by Elsevier Ltd.