Enhanced Electrochemical Performance of FeWO4 by Coating Nitrogen-Doped Carbon

被引：44
作者：
Gong, Chen [1 ]
Bai, Yu-Jun [1 ,2 ]
Feng, Jun [1 ]
Tang, Rui [1 ]
Qi, Yong-Xin [1 ]
Lun, Ning [1 ]
Fan, Run-Hua [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2013年 / 5卷 / 10期
基金：
中国国家自然科学基金;
关键词：
cyclic performance; rate capability; hydrothermal treatment; impedance; N-doping tungstate; LITHIUM-ION; ANODE MATERIAL; TUNGSTEN TRIOXIDE; INTERCALATION; FABRICATION; ELECTRODES; CAWO4;
D O I：
10.1021/am400392t
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
FeWO4 (FWO) nanocrystals were prepared at 180 degrees C by a simple hydrothermal method, and carbon-coated FWO (FWO/C) was obtained at 550 degrees C using pyrrole as a carbon source. The FWO/C obtained from the product hydrothermally treated for 5 h exhibits reversible capacities of 771.6, 743.8, 670.6, 532.6, 342.2, and 184.0 mAh g(-1) at the current densities of 100, 200, 400, 800, 1600, and 3200 mA g(-1), respectively, whereas that from the product treated for 0.5 h achieves a reversible capacity of 205.9 rnAh g(-1) after cycling 200 times at a current density of 800 mA g(-1). The excellent electrochemical performance of the FWO/C results from the combination of the nanocrystals with good electron transport performance and the nitrogen-doped carbon coating.
引用
收藏
页码：4209 / 4215
页数：7
相关论文
共 36 条
[1]   Nanostructured materials for advanced energy conversion and storage devices [J].
Aricò, AS ;
Bruce, P ;
Scrosati, B ;
Tarascon, JM ;
Van Schalkwijk, W .
NATURE MATERIALS, 2005, 4 (05) :366-377
[2]   ULTRAVIOLET EMISSION FROM ABO4-TYPE NIOBATES, TANTALATES AND TUNGSTATES [J].
BLASSE, G ;
BRIXNER, LH .
CHEMICAL PHYSICS LETTERS, 1990, 173 (5-6) :409-411
[3]   Electrospun α-Fe2O3 nanorods as a stable, high capacity anode material for Li-ion batteries [J].
Cherian, Christie T. ;
Sundaramurthy, J. ;
Kalaivani, M. ;
Ragupathy, P. ;
Kumar, P. Suresh ;
Thavasi, V. ;
Reddy, M. V. ;
Sow, Chorng Haur ;
Mhaisalkar, S. G. ;
Ramakrishna, S. ;
Chowdari, B. V. R. .
JOURNAL OF MATERIALS CHEMISTRY, 2012, 22 (24) :12198-12204
[4]   Nonlinear behavior in the thermopower of doped carbon nanotubes due to strong, localized states [J].
Choi, YM ;
Lee, DS ;
Czerw, R ;
Chiu, PW ;
Grobert, N ;
Terrones, M ;
Reyes-Reyes, M ;
Terrones, H ;
Charlier, JC ;
Ajayan, PM ;
Roth, S ;
Carroll, DL ;
Park, YW .
NANO LETTERS, 2003, 3 (06) :839-842
[5]   Wet chemical process of rod-like tungsten nanopowders with iron (II) as reductive agent [J].
Gao, Ye ;
Zhao, Jingzhe ;
Zhu, Yanchao ;
Ma, Shanshan ;
Su, Xiaodan ;
Wang, Zichen .
MATERIALS LETTERS, 2006, 60 (29-30) :3903-3905
[6]   Preparation of carbon-coated MgFe2O4 with excellent cycling and rate performance [J].
Gong, Chen ;
Bai, Yu-Jun ;
Qi, Yong-Xin ;
Lun, Ning ;
Feng, Jun .
ELECTROCHIMICA ACTA, 2013, 90 :119-127
[7]   Polyoxometalate catalysis of dye bleaching by hydrogen peroxide [J].
Gould, DM ;
Griffith, WP ;
Spiro, M .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2001, 175 (1-2) :289-291
[8]   Large-scale synthesis of single-crystal hexagonal tungsten trioxide nanowires and electrochemical lithium intercalation into the nanocrystals [J].
Gu, Zhanjun ;
Li, Huiqiao ;
Zhai, Tianyou ;
Yang, Wensheng ;
Xia, Yongyao ;
Ma, Ying ;
Yao, Jiannian .
JOURNAL OF SOLID STATE CHEMISTRY, 2007, 180 (01) :98-105
[9]   Controllable synthesis of hexagonal WO3 nanostructures and their application in lithium batteries [J].
Huang, Kai ;
Pan, Qingtao ;
Yang, Feng ;
Ni, Shibing ;
Wei, Xiucheng ;
He, Deyan .
JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2008, 41 (15)
[10]   Recent developments in nanostructured anode materials for rechargeable lithium-ion batteries [J].
Ji, Liwen ;
Lin, Zhan ;
Alcoutlabi, Mataz ;
Zhang, Xiangwu .
ENERGY & ENVIRONMENTAL SCIENCE, 2011, 4 (08) :2682-2699
1234