期刊
JOURNAL OF POWER SOURCES
卷 271, 期 -, 页码 104-107出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.07.164
关键词
Supercapacitor; Ternary mixed oxide; Thin-films; Pechini method
资金
- FAPEAM [2985/2012]
The present study reports the synthesis and morphological, structural and electrochemical characterization of ternary oxides mixture containing nickel, cobalt and tin. The ternary oxide is synthesized by Pechini method with subsequent deposition onto a titanium substrate in a thin-film form. XRD and EDS analysis confirm the formation of ternary film with amorphous nature. SEM analysis show that cracks on the film favor the gain of the surface area that is an interesting feature for electrochemical capacitors. The ternary film is investigated in KOH electrolyte solution using cyclic voltammetry and charge discharge study with a specific capacitance of 328 F g(-1), and a capacitance retention of 86% over 600 cycles. The values of specific power and specific energy was 345.7 W kg(-1) and 18.92 Wh kg(-1) respectively. (C) 2014 Elsevier B.V. All rights reserved.
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