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Sodium Ion Insertion in Hollow Carbon Nanowires for Battery Applications

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成果类型:
期刊论文
作者:
Yuliang Cao;Lifen Xiao;Maria L. Sushko;Wei Wang;Birgit Schwenzer;Jie Xiao;Zimin Nie;Laxmikant V. Saraf;Zhengguo Yang;Jun Liu
通讯作者:
Cao, Yuliang
作者机构:
[Jie Xiao; Maria L. Sushko; Wei Wang; Laxmikant V. Saraf; Lifen Xiao; Zhengguo Yang; Yuliang Cao; Birgit Schwenzer; Jun Liu; Zimin Nie] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Lifen Xiao] Cent China Normal Univ, Coll Chem, Wuhan 430079, Peoples R China.
[Yuliang Cao] Wuhan Univ, Coll Chem & Mol Sci, Hubei Key Lab Elect Power Sources, Wuhan 430072, Peoples R China.
[Yuliang Cao] Pacific NW Natl Lab, 902 Battelle Blvd,POB 999, Richland, WA 99352 USA.
通讯机构:
[Cao, Yuliang] Pacific NW Natl Lab, 902 Battelle Blvd,POB 999, Richland, WA 99352 USA.
语种:
英文
关键词:
Hollow carbon nanowires;polyaniline nanowires;anode;sodium ion battery
期刊:
NANO LETTERS
ISSN:
1530-6984
年:
2012
卷:
12
期:
7
页码:
3783-3787
文献类别:
WOS:Article;EI:Journal article (JA)
所属学科:
ESI学科类别:材料科学;WOS学科类别:Chemistry, Multidisciplinary;Chemistry, Physical;Materials Science, Multidisciplinary;Nanoscience & Nanotechnology;Physics, Applied;Physics, Condensed Matter
入藏号:
WOS:000306296200072;EI:20122915263183
基金类别:
U.S. Department of Energy (DOE), Office of Electricity Delivery & Energy Reliability; Basic Energy Sciences, Division of Materials Sciences and Engineering [KC020105-FWP12152]; DOE [DE-AC05-76RL01830]
机构署名:
本校为其他机构
院系归属:
化学学院
摘要:
Hollow carbon nanowires (HCNWs) were prepared through pyrolyzation of a hollow polyaniline nanowire precursor. The HCNWs used as anode material for Na-ion batteries deliver a high reversible capacity of 251 mAh g<sup>-1</sup> and 82.2% capacity retention over 400 charge-discharge cycles between 1.2 and 0.01 V (vs Na<sup>+</sup>/Na) at a constant current of 50 mA g<sup>-1</sup> (0.2 C). Excellent cycling stability is also observed at an even higher charge-discharge rate. A high reversible capacity of 149 mAh g<sup>-1</sup> also can be obtained at a current rate of 500 mA g<sup>-1</sup> (2C). The good Na-ion insertion property is attributed to the short diffusion distance in the HCNWs and the large interlayer distance (0.37 nm) between the graphitic sheets, which agrees with the interlayered distance predicted by theoretical calculations to enable Na-ion insertion in carbon materials. &copy;2012 American Chemical Society.
参考文献:
Alcantara R, 2005, ELECTROCHEM SOLID ST, V8, pA222, DOI 10.1149/1.1870612
Alcantara R, 2001, ELECTROCHEM COMMUN, V3, P639, DOI 10.1016/S1388-2481(01)00244-2
Alcantara R, 2000, CARBON, V38, P1031, DOI 10.1016/S0008-6223(99)00215-8
Barker J, 2003, ELECTROCHEM SOLID ST, V6, pA1, DOI 10.1149/1.1523691
BILLAUD D, 1993, MATER RES BULL, V28, P477, DOI 10.1016/0025-5408(93)90130-6

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