Abstract
In this work, the porous structure of a carbon material and a crystalline structure of NiWO4 have been investigated. The electrochemical performance of symmetric and hybrid asymmetric supercapacitors was investigated by cyclic voltammetry and galvanostatic cycling methods. The processes occur mainly at the electrode-electrolyte interface have been analyzed. It was determined that at discharge currents of 1 and 5 mA, the specific capacitance value for the hybrid asymmetric supercapacitors twice exceeds the given value for the symmetric ones under the same conditions.
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REFERENCES
Conway, B.E., Electrochemical Supercapacitors: Scientific Fundamentals and Technological Applications, New York: Kluwer, 1999.
Rachiy, B.I., Ostafiychuk, B.K., Budzulyak, I.M., and Ivanichok, N.Y., J. Nano-Electron. Phys., 2015, vol. 7, no. 4, 04077.
Rachiy, B.I., Budzulyak, I.M., Vashchynsky, V.M., Ivanichok, N.Y., et al., Nanoscale Res. Lett., 2016, vol. 11, no. 1, 18.
Conway, B. and Pell, W., Proc. 12th Int. Seminar on Double Layer Capacitors and Similar Energy Storage Devices Deerfield Beach, FL, 2002. p. 16.
Beliakov, A.I., Proc. 6th Int. Seminar on Double Layer Capacitors and Similar Energy Storage Devices, Deerfield Beach, FL, 1996, p. 42.
Ukraine State Standard 2336-93: Active Carbon AUSFER and AUSFER-M. Specifications, Kyiv, 1993.
Niu, L., Li, Z., Xu, Y., Sun, J., et al., ACS Appl. Mater. Interfaces, 2013, vol. 5, no. 16, pp. 8044–8052.
Rachiy, B.I., Budzulyak, I.M., Ivanenko, E.A., and Revo, S.L., Surf. Eng. Appl. Electrochem., 2015, vol. 51, no. 5, pp. 501–508.
Marsh, H. and Rodríguez-Reinoso, F., Activated Carbon, Amsterdam: Elsevier, 2006.
Fitzer, E., Kochling, K.-H, Boehm, H.P., and Marsh, H., Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995), Pure Appl. Chem., 1995, vol. 67, no. 3, p. 473.
Tian, Y., Yan, J., Huang, L., Xue, R., et al., Mater. Chem. Phys., 2014, vol. 143, pp. 1164–1170.
Wang, H. and Pilon L., Electrochim. Acta, 2012, vol. 64, pp. 130–139.
Ardizzone, S., Fregonara, G., and Trasatti, S., Electrochim. Acta, 1990, vol. 35, pp. 263–267.
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Rachiy, B.I., Starchuk, Y.Y., Kolkovskyy, P.I. et al. Accumulation of Charge Mechanisms in Electrochemical Systems Based on Carbon and Nickel Tungstate. Surf. Engin. Appl.Electrochem. 56, 697–703 (2020). https://doi.org/10.3103/S1068375520060149
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DOI: https://doi.org/10.3103/S1068375520060149