Nanostructured oxides for energy storage applications in batteries and supercapacitors

被引:23
作者
Chandra, Amreesh [1 ]
Roberts, Alexander J. [1 ]
Yee, Eric Lam How [1 ]
Slade, Robert C. T. [1 ]
机构
[1] Univ Surrey, Guildford GU2 7XH, Surrey, England
基金
英国工程与自然科学研究理事会;
关键词
supercapacitors; nanomaterials; electron microscopy; particle synthesis; electrodes; POWER SOURCES; FUEL-CELL; HYBRID; ELECTRODES; VEHICLE; DEVICES; SYSTEM;
D O I
10.1351/PAC-CON-08-08-20
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nanostructured materials are extensively investigated for application in energy storage and power generation devices. This paper deals with the synthesis and characterization of nanomaterials based on oxides of vanadium and with their application as electrode materials for energy storage systems viz. supercapacitors. These nano-oxides have been synthesized using a hydrothermal route in the presence of templates: 1-hexadecylamine, Tweens and Brij types. Using templates during synthesis enables tailoring of the particle morphology and physical characteristics of synthesized powders. Broad X-ray diffraction peaks show the formation of nanoparticles, confirmed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) investigations. SEM studies show that a large range of nanostructures such as needles, fibers, particles, etc. can be synthesized. These particles have varying surface areas and electrical conductivity. Enhancement of surface area as much as seven times relative to surface areas of starting parent materials has been observed. These properties make such materials ideal candidates for application as electrode materials in supercapacitors. Assembly and characterization of supercapacitors based on electrodes containing these active nano-oxides are discussed. Specific capacitance of >100 F g(-1) has been observed. The specific capacitance decreases with cycling: causes of this phenomenon are presented.
引用
收藏
页码:1489 / 1498
页数:10
相关论文
共 25 条
[1]   A review of power harvesting using piezoelectric materials (2003-2006) [J].
Anton, Steven R. ;
Sodano, Henry A. .
SMART MATERIALS AND STRUCTURES, 2007, 16 (03) :R1-R21
[2]   Studies of nanostructures and conductivity in the system VxMo1-xOy [J].
Chandra, Amreesh ;
Roberts, Alexander J. ;
Slade, Robert C. T. .
SOLID STATE COMMUNICATIONS, 2008, 147 (3-4) :83-87
[3]   γ-Mo2N/Co3Mo3N composite material for electrochemical supercapacitor electrode [J].
Chen, CL ;
Zhao, DL ;
Xu, D ;
Wang, XK .
MATERIALS CHEMISTRY AND PHYSICS, 2006, 95 (01) :84-88
[4]  
Chmiola J, 2006, SCIENCE, V313, P1760, DOI [10.1126/science.1132195, 10.1126/science/1132195]
[5]  
Conway B. E., 1999, ELECTROCHEMICAL SUPE
[6]   Power sources compared: The ultimate truth? [J].
Flipsen, S. F. J. .
JOURNAL OF POWER SOURCES, 2006, 162 (02) :927-934
[7]  
FRANCOISE JNM, 2005, J POWER SOURCES, V143, P275
[8]   Energy storage systems - Characteristics and comparisons [J].
Ibrahim, H. ;
Ilinca, A. ;
Perron, J. .
RENEWABLE & SUSTAINABLE ENERGY REVIEWS, 2008, 12 (05) :1221-1250
[9]   Energy storage devices for future hybrid electric vehicles [J].
Karden, Eckhard ;
Ploumen, Serv ;
Fricke, Birger ;
Miller, Ted ;
Snyder, Kent .
JOURNAL OF POWER SOURCES, 2007, 168 (01) :2-11
[10]   Voltage balancing:: Long-term experience with the 250 V supercapacitor module of the hybrid fuel cell vehicle HY-LIGHT [J].
Koetz, R. ;
Sauter, J. -C. ;
Ruch, P. ;
Dietrich, P. ;
Buechi, F. N. ;
Magne, P. A. ;
Varenne, P. .
JOURNAL OF POWER SOURCES, 2007, 174 (01) :264-271