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学科主题物理化学
Facile encapsulation of nanosized SnO2 particles in carbon nanotubes as an efficient anode of Li-ion batteries
Liu, Xin1; Wu, Minghao2; Li, Mingrun1; Pan, Xiulian1; Chen, Jian2; Bao, Xinhe1; Pan XL(潘秀莲); Chen J(陈剑)
刊名JOURNAL OF MATERIALS CHEMISTRY A
2013
DOI10.1039/c3ta00049d
1期:33页:9527-9535
收录类别SCI
合作性质
文章类型Article
部门归属5,DNL03
项目归属502,DNL03T2
产权排名待补充
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者1,1 ; 1,1 ; 1,1 ; 1,1
类目[WOS]Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]LITHIUM SECONDARY BATTERIES ; LARGE-SCALE SYNTHESIS ; TIN OXIDE COMPOSITES ; HIGH-CAPACITY ; ELECTROCHEMICAL PERFORMANCE ; RECHARGEABLE BATTERIES ; STORAGE CAPACITY ; NANOPARTICLES ; FABRICATION ; LITHIATION
英文摘要An efficient anode with a superior high-rate capability and stability remains a challenge for development of high performance Li-ion batteries. We present a new concept by encapsulating 2 nm-sized SnO2 nanocrystals in the channels of carbon nanotubes (SnO2-in-CNTs). Characterization shows that the confined space does not only stabilize the small nanoparticles but also alleviates the stress caused by the large volume change of tin species during the charging-discharging process. In addition, well crystallized graphitic structure of CNTs with a positive curvature provides a good contact between SnO2 nanoparticles and graphene layers, and excellent electronic conductivity. As a result, SnO2-in-CNTs as an anode of lithium ion battery exhibit stable cyclability and superior high-rate capability relative to SnO2 nanoparticles dispersed on the outer walls of CNTs particularly under a high current density. The charge capacity remains about 560 mA h g(-1) after 50 cycles at 50 mA g(-1), and even around 400 mA h g(-1) at 1000 mA g(-1). Additionally, the facile preparation method we have developed makes such encapsulates appealing for further optimization and applications.
语种英语
资助者1,1 ; 1,1 ; 1,1 ; 1,1
原文出处查看原文
WOS记录号WOS:000322475600026
引用统计
被引频次:40[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/119289
专题中国科学院大连化学物理研究所
通讯作者Pan XL(潘秀莲); Chen J(陈剑)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Adv Rechargeable Batteries Lab, Dalian 116023, Peoples R China
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GB/T 7714
Liu, Xin,Wu, Minghao,Li, Mingrun,et al. Facile encapsulation of nanosized SnO2 particles in carbon nanotubes as an efficient anode of Li-ion batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2013,1(33):9527-9535.
APA Liu, Xin.,Wu, Minghao.,Li, Mingrun.,Pan, Xiulian.,Chen, Jian.,...&陈剑.(2013).Facile encapsulation of nanosized SnO2 particles in carbon nanotubes as an efficient anode of Li-ion batteries.JOURNAL OF MATERIALS CHEMISTRY A,1(33),9527-9535.
MLA Liu, Xin,et al."Facile encapsulation of nanosized SnO2 particles in carbon nanotubes as an efficient anode of Li-ion batteries".JOURNAL OF MATERIALS CHEMISTRY A 1.33(2013):9527-9535.
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