Electrochemical performance of NaCo2O4 as electrode for supercapacitors

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DOIResolve DOI: http://doi.org/10.1016/j.cclet.2013.11.051
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TypeArticle
Journal titleChinese Chemical Letters
ISSN1001-8417
AbstractSub-micron-scaled sodium cobalt oxide (NaCo2O4) powders are prepared by a solid-state reaction method. Characterization using X-ray diffraction indicates that the synthesized NaCo2O4 has a hexagonal layered structure. The electrochemical performance of the NaCo2O4 electrodes is investigated using cyclic voltammetry and galvanostatic charge/discharge in NaOH solution. The results show that the specific capacitance of the NaCo2O4 electrode reaches 337 F/g over the potential range of 0.15-0.65 V at a mass normalized current of 50 mA/g. Moreover, NaCo2O4 exhibits very good stability and cycling performance as a supercapacitor material. © 2013 Zhao-Rong Chang.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21270966
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Record identifier2eb74432-cc6f-4ff5-9f1a-9cc88daecd84
Record created2014-02-18
Record modified2016-05-09
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