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Synthesis and Electrochemical Lithium Storage Behavior of Carbon Nanotubes Filled with Iron Sulfide Nanoparticles
Yu, WJ; Liu, C; Zhang, LL; Hou, PX; Li, F; Zhang, B; Cheng, HM; Liu, C (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.; Zhang, B (reprint author), Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China.
2016-10-01
发表期刊ADVANCED SCIENCE
ISSN2198-3844
卷号3期号:10
摘要Carbon nanotubes (CNTs) filled with iron sulfide nanoparticles (NPs) are prepared by inserting sulfur and ferrocene into the hollow core of CNTs followed by heat treatment. It is found that pyrrhotite-11T iron sulfide (Fe-S) NPs with an average size of approximate to 15 nm are encapsulated in the tubular cavity of the CNTs (Fe-S@CNTs), and each particle is a single crystal. When used as the anode material of lithium-ion batteries, the Fe-S@CNT material exhibits excellent electrochemical lithium storage performance in terms of high reversible capacity, good cyclic stability, and desirable rate capability. In situ transmission electron microscopy studies show that the CNTs not only play an essential role in accommodating the volume expansion of the Fe-S NPs but also provide a fast transport path for Li ions. The results demonstrate that CNTs act as a unique nanocontainer and reactor that permit the loading and formation of electrochemically active materials with desirable electrochemical lithium storage performance. CNTs with their superior structural stability and Li-ion transfer kinetics are responsible for the improved rate capability and cycling performance of Fe-S NPs in CNTs.
部门归属[yu, wan-jing ; liu, chang ; zhang, lili ; hou, peng-xiang ; li, feng ; cheng, hui-ming] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [yu, wan-jing ; zhang, bao] cent s univ, sch met & environm, changsha 410083, hunan, peoples r china
学科领域Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
资助者Ministry of Science and Technology of China [2011CB932604]; National Natural Science Foundation of China [51102242, 51172241, 51221264, 51272257]; Chinese Academy of Sciences [KGZD-EW-T06]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76241
专题中国科学院金属研究所
通讯作者Liu, C (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China.; Zhang, B (reprint author), Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China.
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GB/T 7714
Yu, WJ,Liu, C,Zhang, LL,et al. Synthesis and Electrochemical Lithium Storage Behavior of Carbon Nanotubes Filled with Iron Sulfide Nanoparticles[J]. ADVANCED SCIENCE,2016,3(10).
APA Yu, WJ.,Liu, C.,Zhang, LL.,Hou, PX.,Li, F.,...&Zhang, B .(2016).Synthesis and Electrochemical Lithium Storage Behavior of Carbon Nanotubes Filled with Iron Sulfide Nanoparticles.ADVANCED SCIENCE,3(10).
MLA Yu, WJ,et al."Synthesis and Electrochemical Lithium Storage Behavior of Carbon Nanotubes Filled with Iron Sulfide Nanoparticles".ADVANCED SCIENCE 3.10(2016).
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