Morphological and Electrochemical Properties of the Lactose-derived Carbon Electrode Materials
| Authors | I.F. Myronyuk1 , V.I. Mandzyuk1 , V.M. Sachko1 , R.P. Lisovsky2 , B.I. Rachiy1 |
| Affiliations |
1 Vasyl Stefanyk Precarpathian National University, 57, Shevchenko st., 76018 Ivano-Frankivsk, Ukraine 2 G.V. Kurdyumov Institute for Metal Physics of the NASU, 36, Academician Vernadsky blvd., 03680 Kyiv, Ukraine |
| Е-mail | mandzyuk_vova@ukr.net |
| Issue | Volume 8, Year 2016, Number 4 |
| Dates | Received 28 May 2016; published online 29 November 2016 |
| Citation | I.F. Myronyuk, V.I. Mandzyuk, V.M. Sachko, et al., J. Nano- Electron. Phys. 8 No 4(1), 04006 (2016) |
| DOI | 10.21272/jnep.8(4(1)).04006 |
| PACS Number(s) | 61.43.Gt, 81.05.Uw, 82.47.Uv |
| Keywords | Porous carbon material, Thermochemical activation, Specific surface, Specific conductivity, Electrochemical capacitor. |
| Annotation |
The article explores the morphological and electrochemical properties of carbon electrode materials derived from D-lactose by mixing of carbon precursor with activating reagent selected from a number КОН, K2CO3, ZnCl2, SnCl2∙2H2O, and calcining the composite mixture at 800 °С. After dissolution and removal of K2O, ZnO or SnO from volume of prototypes specific surface of carbon materials increases in 1,7-4,2 times, and electrical conductivity - in 1,4-2,8 times. The activating reagents for effective influence on the properties of carbon structures can be placed in the following order: ZnCl2 КОН K2CO3 SnCl2∙2H2O. It is set that the highest specific capacity as an electrode material for supercapacitor has a sample with the highest electrical conductivity (78 Оhm – 1∙m – 1) obtained using KOH activating reagent. The electrode material capacity was 176-157 F∙g – 1 at discharge currents of 10-100 mA. It was found that the difference in the values of capacitance of prototypes caused by different chemical state of their surface. |
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List of References |
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