Synthesis and electrochemical properties of LaMnO3 orthosized nanomaterial for supercapacitor applications
| Autor: | N.Ya. Ivanichok, H. M. Kolkovska, S. I. Yaremiy, P. I. Kolkovskyi, B. K. Ostafiychuk, I. P. Yaremiy, B. I. Rachiy |
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| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Supercapacitor
Materials science Scattering Condensed Matter Physics sol-gel process lcsh:QC1-999 Nanomaterials koh electrolyte Chemical engineering Phase (matter) Specific surface area General Materials Science perovskite structure Particle size Physical and Theoretical Chemistry specific capacity lcsh:Physics Perovskite (structure) Sol-gel |
| Zdroj: | Фізика і хімія твердого тіла, Vol 21, Iss 2, Pp 219-226 (2020) |
| ISSN: | 2309-8589 1729-4428 |
| Popis: | In this work, the perovskite LaMnO3 material has been prepared based on the sol-gel process of synthesis with the participation of combustion. According to the X-ray phase analysis, it was determined that the obtained material consists of LaMnO3 one phase (space group Pm-3m). Nevertheless, it has been determined that the average size of the coherent scattering region of the obtained material is about 24 nm. Moreover, the average particle size is 40-60 nm in case the approximation that the particles are spherical shape. Thus, it has been determined that the specific surface area of the material is 42.1 m2/g. The electrochemical investigations have been performed using nanosized LaMnO3 powder as a cathode material for electrochemical capacitors. The LaMnO3 material under research showed a specific capacity of 40 F/g at a discharge of up to 1V. |
| Databáze: | OpenAIRE |
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