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- Title
Ag nanowires and its application as electrode materials in electrochemical capacitor.
- Authors
Zhong-Ai Hu; Yao-Xian Wang; Yu-Long Xie; Yu-Ying Yang; Zi-Yu Zhang; Hong-Ying Wu
- Abstract
Silver nanowires were synthesized on a large scale by using anodic aluminum oxide (AAO) film as templates and serving ethylene glycol as reductant. Their morphological and structural characterizations were characterized with field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and selected area electron diffraction (SAED). The electrochemical properties of silver nanowires as electrode materials for electrochemical capacitors were investigated by cyclic voltammetry (CV) and galvanostatic charge/discharge technique in 6 M KOH aqueous electrolyte. The Ag2O/Ag coaxial nanowires were formed by the incomplete electrochemical oxidation during the charge step. The maximum specific capacitance of 987 F g−1 was obtained at a charge–discharge current density of 5 mA cm−2.
- Subjects
NANOWIRES; ELECTRODES; CAPACITORS; ALUMINUM oxide; ELECTRON microscopy
- Publication
Journal of Applied Electrochemistry, 2010, Vol 40, Issue 2, p341
- ISSN
0021-891X
- Publication type
Article
- DOI
10.1007/s10800-009-0002-4