Impedance of specificlly iodine adsorbed activated carbon materials
Abstract
In the work, for the first time, the impedance analysis of electrodes based on microporous activated carbon materials (AСM) at anodic polarization 0.3-0.5 V relative to hydrogen in 25 % ZnI2 was made. Received a good match of experimental data with linear impedance transmission circuit of porous electrode and circuit parameters are defined. Circuit parameters settings showed high values of specific pseudocapacitance ACM from 008 to 9.6 Fm-2 for small values of the time constant (τ) 1-193 s at anodic polarization. The results of the research allow to the specific adsorption mechanism of iodine on the surface nanoporous ACM and the ability of the investigated electrodes up to high power and energy characteristics of molecular systems of energy storage.
Downloads
References
Barsoukov E., Macdonald J. R. Impedance spectroscopy: theory, experiment and applications. - Wiley: Hoboken, 2005.
Orazem M. E., Tribollet B. Electrochemical impedance spectroscopy. John Wiley & Sons, Hoboken. - ISBN 978- 0470041406, 2008. - 523 p.
Taberna P. L., Simon P., Fauvarque J. F. Electrochemical characteristics and impedance spectroscopy studies of carbon-carbon supercapacitors // J Electrochem Soc. - 2003. - Vol. 150. - P. A292-A300.
Buller S., Thele M., De Doncker R. W., Karden E. Impedance based simulation models of supercapacitors and Li-ion batteries for power electronic applications // Conference record of the IEEE industry applications conference, 38-th IAS annual meeting. - Piscataway. - 2003. - Vol. 3. - P. 1596-1600.
Wei T., Qi X., Qi Z. An improved ultracapacitor equivalent circuit model for the design of energy storage power systems // Proceedings of the international conference on electrical machines and systems. - Seoul. - 2007. - P. 69-73.
De Levie R. Advances in Electrochemistry and Electrochemical Engineering. - New York: Interscience, 1967. - 329 p.
Raistrick I. D., McHardy J., Ludwig F. Electrochemistry of Semiconductors and Electronics: Processes and Devices // Noyes Publications, Park Ridge: NJ, 1992. - P. 297-355.
Zhang Y., Feng H., Wu X., Wang L., Zhang A., Xia T., Dong H., Li X., Zang L. Progress of electrochemical capacitors electrode materials: A review // International J. of hydrogen energy. - 2009. - Vol. 34. - P. 4889-4899.
Fletcher S., Black V.J., Kirkpatrick I. // J. Solid State Electrochem. - 2014. - Vol. 18. - P. 1377-1387. doi: 10.1007/s10008- 013-2328-4.
Song H. K., Hwang H. Y., Lee K. H., Dao L. H. The effect of pore size distribution on the frequency dispersion of porous electrodes // Electrochimica Acta. - 2000. - Vol. 45, Issue 14. - P. 2241-2257. doi: 10.1016/s0013- 4686(99)00436-3.
Conway B. E. Electrochemical Supercapacitors: Scientific Fundamentals and Technologi¬cal Applications // Springer Science & Business Media, 2013. - 698 p. doi: 10.1007/978-1- 4757-3058-6
Лидоренко Н. С. Введение в молекулярную электронику. - М.: Энергоатомиздат, 1984. - 320 с.
Bakhmatyuk B. P., Venhryn B. Ya., Grygorchak I. I., Micov M. M., Kulyk Yu. O. On the hierarchy of the influences of porous and electronic structures of carbonaceous materials on parameters of molecular storage devices // Electrochimica Acta. - 2007. - Vol. 52, Issue 24. - P. 6604-6611. doi: 10.1016/j.electacta. 2007.04.053.
Bakhmatyuk B. P., Venhryn B. Ya., Grygorchak I. I., Micov M. M. Influence of chemical modification of activated carbon surface on characteristics of supercapacitors // Journal of Power Sources. - 2008. - Vol. 180, Issue 2. - P. 890-895. doi: 10.1016/j.jpowsour. 2008.02.045.
Bakhmatyuk B. P. Hight-energy-density electrode on the basis of activated carbon material for hybrid supercapacitors // Electrochimica Acta. - 2015. - Vol. 163 - P. 167-173. doi: 10.1016/j.electacta.2015.02.118.
Бахматюк Б. П., Курепа А. С. Аніонний специфічний ефект на поверхні активованого вугілля у системі суперконденсатора // Фізична інженерія поверхні. - 2011. - Т. 9, № 4. - С. 323-331.
Produced by Norit Activated Carbon, CABOT Inc., http://www.norit.com/.
Pohlmann S., Lobato B., Centeno T. A., Balducci A. The influence of pore size and surface area of activated carbons on the performance of ionic liquid based supercapacitors // Physical Chemistry Chemical Physics. - 2013. - Vol. 15, Issue 40. - P. 17287-17294. doi: 10.1039/c3cp52909f.
Lota G., Frackowiak E. Striking capacitance of carbon/iodide interface // Electrochemistry Communications. - 2009. - Vol. 11, Issue 1. - P. 87-90. doi: 10.1016/j.elecom.2008.10.026
Mianowski A., Owczarek M., Marecka A. Surface Area of Activated Carbon Determined by the Iodine Adsorption Number // Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. - 2007. - Vol. 29, Issue 9. - P. 839-850. doi: 10.1080/00908310500430901.