| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Ultrathin Film-Type Supercapacitor Electrodes with High Areal and Volumetric Capacitance via Amphiphilic Ligand Exchange Reaction |
| 초록 |
We introduce high-performance ultrathin supercapacitor electrode fabricated via consecutive amphiphilic ligand exchange-based layer-by-layer (LbL) assembly. The electrode is ternary composite of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) in water, amine-functionalized multi-walled carbon nanotubes (NH2-MWCNTs) in ethanol, and oleic acid-stabilized pseudocapacitive nanoparticles (OA-Fe3O4 NPs) in toluene. Our approach is characterized by the fact that the insertion of semiconducting polymer linkers (PEDOT:PSS) effectively increases the loading amount of pseudocapacitive nanoparticles (PC NPs) without a significant loss of overall electrochemical performance. The periodic insertion of PC NPs within the (NH2-MWCNT/PEDOT:PSS)10-multilayered ITO electrodes conspicuously enhanced the volumetric and areal capacitance up to 408±4 F·cm−3 and 8.79±0.06 mF·cm−2 at 5 mV·s−1 with perfect cycling stability (98.8% after 5000 cycles) and good rate capability. |
| 저자 |
남동현, 조진한
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| 소속 |
고려대 |
| 키워드 |
Layer-by-Layer Assembly; Amphiphilic Ligand Exchange; Multi-Wall Carbon Nanotube; Oleic Acid-Stabilized Iron Oxide; PEDOT:PSS
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| E-Mail |
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