폴리피롤을 고체전해질로 이용한 알루미늄 고체전해 캐패시터

조준상; 유남산; 이상빈; 박영서

Journal of the Korean Industrial and Engineering Chemistry, Vol.8, No.5, 784-789, October, 1997

Export Citation

폴리피롤을 고체전해질로 이용한 알루미늄 고체전해 캐패시터

Aluminum Solid Electrolytic Capacitor Employing Polypyrrole as Solid Electrolyte

조준상, 유남산, 이상빈, 박영서

초록

전도성 고분자인 폴리피롤(PPy)을 전해질로 하는 알루미늄(Al)고체전해 캐패시터를 제작하기 위하여 알루미늄 산화피막(Al₂O₃) 위에 화학산화중합(CP)법으로

Aluminium solid electrolytic capacitor in which electroconducting polypyrrole(PPy) is used as an electrolyte is studied. Pyrrole(Py) is electrochemically synthesized using the etched and anodized aluminium foil electrode(Al₂O₃) as an anode on which the thin layer of chemicalpolymerized PPy as a pre-coating layer is formed previously by chemical oxidative polymerization(CP). Investigating the effects of the polymerization conditions on the electrical characteristics of resulting capacitor which were obtained from the galvanostatic electrosis of pyrrole containing sodium p-toluenesulfonate(TsONa) under the currents of 2.0∼4.0mA/unit(6.5×10nm), showed the most superior properties

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[1] Niwa S, Synth. Met., 18, 665 (1987)

[2] Kudoh Y, Tsuchiya S, Kozima T, Hukuyama M, Yoshimura S, Synth. Met., 41-43, 1133 (1991)

[3] Park YS, Ohta Y, tokeoka S, Yamamoto K, Tsuchida E, Bull. Chem. Soc. Jpn., 66, 2499 (1993)

[4] Yamamoto K, Park YS, Takeoka S, Tsuchida E, J. Electroanal. Chem., 318, 171 (1991)

[5] Park YS, Tokeoka S, Yamamoto K, Tsuchida E, Mol. Cryst. Liq. Cryst., 227, 219 (1993)

[6] Park Ys, Yamamoto K, Takeoka S, Tsuchida E, Polym. Adv. Technol., 4, 329 (1993)

[7] Yamamoto H, Fukuda M, Isa I, Electronics and Communications in Japan, Part 2, 76, 6 (1993)

[8] Yamamoto H, Fukuda M, Isa I, yoshino K, Mol. Cryst. Liq. Cryst., 227, 255 (1993)

[9] Fukuda M, Yamamoto H, Isa I, Japan Patent, Open, 63-173313 (1988)

[10] Yoshino K, Hayashi S, Sugimoto R, Jpn. J. Appl. Phys., 23, L899 (1984)

[11] Diaz AF, Kanazawa KK, Gardin GP, J. Chem. Soc.-Chem. Commun., 635 (1979)

[12] Ko JM, Rhee HW, Park SM, Kim CY, J. Electrochem. Soc., 137, 905 (1990)

[13] 박영서, 화학세계, 33, 646 (1993)

[14] Asavapiriyanont S, Chandler GK, Gunawardena GA, Pletcher D, J. Electroanal. Chem., 177, 229 (1984)