Facile syntheses of perovskite type LaMO3 (M=Fe, Co, Ni) nanofibers for high performance supercapacitor electrodes and lithium-ion battery anodes
| Autor: | Yin Wang, Hongyang Shao, Bin Yue, Fan Yang, Jinghui Wang, Jinghai Liu, Quanli Hu |
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| Rok vydání: | 2021 |
| Předmět: |
Battery (electricity)
Supercapacitor Materials science Mechanical Engineering Metals and Alloys 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry 01 natural sciences Electrospinning Lithium-ion battery 0104 chemical sciences Anode Chemical engineering Mechanics of Materials Nanofiber Materials Chemistry 0210 nano-technology Perovskite (structure) |
| Zdroj: | Journal of Alloys and Compounds. 852:157002 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2020.157002 |
| Popis: | Lanthanum-based LaMO3 (M = Fe, Co, Ni) perovskite nanofibers were effectively fabricated by electrospinning approach coupled with calcination process. The crystallinity, microstructures, morphologies, elemental compositions, and chemical bonding states of LaMO3 perovskites were investigated in detail. The electrochemical properties of LaMO3 perovskite nanofibers as supercapacitor electrodes and lithium-ion battery anodes were elucidated. The specific capacitances of LaFeO3, LaCoO3, and LaNiO3 nanofibers were 183.6, 95.8 and 116.3 F g−1 at the current density of 1 A g−1, respectively. The supercapacitive properties of LaMO3 NFs had originated from the redox reactions of M3+/M2+. As lithium-ion battery anodes, LaMO3 (M = Fe, Co, Ni) nanofibers exhibited the specific discharge capacities of 331, 646, and 92 mAh g−1 after 200 cycles, respectively. This research endowed the potential and competent candidates of the perovskite type lanthanum-based nanofibers for supercapacitor electrodes and lithium-ion battery anodes. |
| Databáze: | OpenAIRE |
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