| 학회 |
한국고분자학회 |
| 학술대회 |
2016년 봄 (04/06 ~ 04/08, 대전컨벤션센터) |
| 권호 |
41권 1호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Synthesis and characterization of hetero-structured α-MnO2 nanorods for high performance supercapacitor electrodes |
| 초록 |
Hetero-structured manganese dioxide nanorods with α phase (α-MnO2) were prepared by hydrothermal treatment. Supercapacitive performance of the α-MnO2 nanomaterials as active electrode material was investigated by cyclic voltammetry(CV) in alkaline medium. The α-MnO2 hetero-structure with 2×2 tunnels constructed from double chains of octahedral [MnO6] structure yield a significantly high specific capacitance of 298 Fg-1 at 5 mVs-1 and demonstrated a superior long term cyclic stability, with specific capacitance retention about 94% after 1000 cycles. The superior supercapacitive performance of the hetero-structured α-MnO2 electrode is due to its high specific surface area and unique hierarchy architecture which facilitate fast electron and ion transport. |
| 저자 |
안태희, 김학용
|
| 소속 |
전북대 |
| 키워드 |
Supercapacitors; Hetero-structure; a-MnO2; Cyclic voltametry; Surface area
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| E-Mail |
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