화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2021년 가을 (10/27 ~ 10/29, 광주 김대중컨벤션센터)
권호 27권 2호, p.1462
발표분야 공업화학
제목 Ferricyanide-intercalated flavoenzyme-modified pseudocapacitive electrode
초록 Basically, an enzyme belonging to the proteins which is one of biomacromolecules is electrically non-conductive, and can be used as an insulating material for capcitors. In this work, we fabricate a ferricyanide-intercalated flavoenzyme-based pseudocapacitor which acts as an electric double-layer capacitor and simultaneously as the pseudocapacitor. Cyclovoltametric intercalation of flavoenzymes with ferricyanide activates pseudocapacitive property of the enzyme-modified pseudocapacitive electrode. Indium tin oxide was employed as the substrate to immobilize methyl tryptophan oxidase (MTO) via amino-glutaraldehyde cross-linking chemistry. The ferricyanide-intercalated MTO-based pseudocapacitor is characterized by the cyclic voltammetry, electrochemical impedance spectroscopy, atomic force microscopy, and Fourier-transformed infrared spectroscopy. Charging and discharging characteristics and long-term stability of the pseudocapacitor are also presented.
저자 진준형, 김윤경, 박준희, 성수환, 이강열, 양인환
소속 경기대
키워드 전기화학
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