Journal
JOURNAL OF POWER SOURCES
Volume 196, Issue 4, Pages 2393-2397Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2010.09.052
Keywords
Chemical bath deposition; Supercapacitor; Nickel oxide; Specific capacitance thin film
Funding
- National Research Foundation (NRF) of Korea [K20901000002-09E0100-00210, 2009-0076332]
- National Research Foundation of Korea [2009-0076332] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A porous nickel oxide film is successfully synthesized by means of a chemical bath deposition technique from an aqueous nickel nitrate solution The formation of a rock salt NiO structure is confirmed with XRD measurements The electrochemical supercapacitor properties of the nickel oxide film are examined using cyclic voltammetery (CV) galvanostatic and impedance measurements in two different electrolytes namely NaOH and KOH A specific capacitance of similar to 1295 F g(-1) in the NaOH electrolyte and similar to 698 Fg(-1) in the KOH electrolyte is obtained from a cyclic voltammetery study The electrochemical stability of the NiO electrode is observed for 1500 charge-discharge cycles The capacitativi behaviour of the NiO electrode is confirmed from electrochemical impedance measurements (C) 2010 Elsevier B V All rights reserved
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