NIMTE OpenIR  > 2018专题
Rational Design of Core-Shell-Structured Particles by a One-Step and Template-Free Process for High-Performance Lithium/Sodium-Ion Batteries
Tian, Huajun; Liang, Yujia; Repac, Joseph; Zhang, Shunlong; Luo, Chao; Liou, Sz-Chian; Wang, Guoxiu; Ehrman, Sheryl H.; Han, Weiqiang
2018
发表期刊JOURNAL OF PHYSICAL CHEMISTRY C
卷号122期号:39页码:22232-22240
摘要Tin (Sn)-based materials are one of most promising candidates for rechargeable (Li+ and Na+ ion) batteries because of their high theoretical capacities (993 mAh/g for Li4.4Sn and 847 mAh/g for Na15Sn4) and reasonable working potentials. However, Sn-based anodes suffer from huge volume changes during cycling that hinder the applications in commercialized rechargeable batteries. Unique particle engineering to fabricate Sn-core-carbon(shell) (Sn@C) particles has been shown to address or circumvent these problems. In this work, a distinct core-shell-structured Sn@C anode material has been successfully developed by using a one-step and template-free process (colloidal spray pyrolysis). A comprehensive analysis of chemical reaction kinetics of core-shell particles assists the product design to control the particle composition and structure by tuning the process variables, such as reaction temperature and cosolvent concentration. The unique Sn@C anode delivers a high capacity of 720 mAh/g after 300 cycles at 0.5C for lithium-ion batteries and a high capacity of >500 mAh/g at 0.2C for sodium-ion batteries. More importantly, this work advances the design of high-performance Sn@C composites for lithium/sodium-ion batteries in scalable process development, particle engineering, and material innovation.
关键词Anode Material Hollow Carbon Rechargeable Batteries Negative Electrodes Spray-pyrolysis Nanoparticles Spheres Storage Cu Nanofibers
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17137
专题2018专题
推荐引用方式
GB/T 7714
Tian, Huajun,Liang, Yujia,Repac, Joseph,et al. Rational Design of Core-Shell-Structured Particles by a One-Step and Template-Free Process for High-Performance Lithium/Sodium-Ion Batteries[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2018,122(39):22232-22240.
APA Tian, Huajun.,Liang, Yujia.,Repac, Joseph.,Zhang, Shunlong.,Luo, Chao.,...&Han, Weiqiang.(2018).Rational Design of Core-Shell-Structured Particles by a One-Step and Template-Free Process for High-Performance Lithium/Sodium-Ion Batteries.JOURNAL OF PHYSICAL CHEMISTRY C,122(39),22232-22240.
MLA Tian, Huajun,et al."Rational Design of Core-Shell-Structured Particles by a One-Step and Template-Free Process for High-Performance Lithium/Sodium-Ion Batteries".JOURNAL OF PHYSICAL CHEMISTRY C 122.39(2018):22232-22240.
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