Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7736928 | Journal of Power Sources | 2014 | 5 Pages |
Abstract
Amorphous mesoporous Ni(OH)2 nanoboxes are synthesized by template-engaged routes. The nanoboxes are characterized by SEM, TEM, XRD, XPS and BET methods. The nanoboxes have uniform morphology of 450-500Â nm, high surface area of 214.6Â m2Â gâ1 and mesoporous structure of 4-20Â nm. Electrochemical characterization are tested using cyclic voltammetry, chronopotentiometry and impedance spectroscopy, respectively. These amorphous mesoporous Ni(OH)2 hollow nanoboxes shows high specific capacitance of 2495, 2378, 2197, 1993Â FÂ gâ1 at discharge current of 1, 2, 5 and 10Â AÂ gâ1 respectively. The property tests demonstrate the high specific capacitance and excellent cycling of the amorphous Ni(OH)2 nanoboxes material for high-performance electrochemical pseudocapacitors.
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Authors
Yan Fu, Jinmei Song, Youqi Zhu, Chuanbao Cao,