Effects of the particle size of BaMnO3 powders on the electrochemical performance of supercapacitor electrodes
- Authors
- Tanapongpisit, N.; Wongprasod, S.; Laohana, P.; Kim, Sangmo; Butburee, T.; Meevasana, W.; Maensiri, S.; Bark, Chung Wung; Saenrang, W.
- Issue Date
- Jul-2022
- Publisher
- Elsevier
- Keywords
- Electrochemical supercapacitor; Perovskite metal oxides; Size dependence
- Citation
- Materials Letters, v.319
- Journal Title
- Materials Letters
- Volume
- 319
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/84983
- DOI
- 10.1016/j.matlet.2022.132258
- ISSN
- 0167-577X
- Abstract
- The high-crystalline perovskite oxide BaMnO3 particles were synthesized by a simple solid-state reaction, followed by high-energy ball milling to study the particle size dependence for supercapacitor electrodes. The specific capacitance of nano-sized BaMnO3 is approximately seven times higher than that of micro-sized BaMnO3. The micro-sized BaMnO3 have a rice-like nanostructure transition that enhances its specific capacitance up to 1300% and tends to increase after 3000 cycles. This suggests a cost-effective and simple technique for high performance perovskite-based supercapacitor electrodes by achieving the desired performance. © 2022 Elsevier B.V.
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