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물 전기분해용 Pt-SPE 전극촉매의 제조에 관한 연구(I) -담지시간에 따른 영향-
A Study on Preparation of Pt-SPE Electrocatalyst for Water Electrolysis(I) -The Effect of Deposition Time-
HWAHAK KONGHAK, February 1999, 37(1), 41-46(6), NONE
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Abstract
고체 고분자 전해질(SPE)로 Nafion 117막을 사용하였으며, 전극물질로는 H2PtCl6를, 환원제로는 NaBH4를 사용하여 물 전기분해에 대하여 연구하였다. 담지시간을 매개변수로 제조된 Pt-SPE복합체의 형태학적 및 전기화학적 특성과 물 전기분해 성능에 미치는 영향을 조사하였다. 물 전기분해 성능에 관한 실험결과 담지시간이 증가함에 따라 조전압은 감소하였으며 60분에서 최소를 나타내었고 그때의 조전압은 전류밀도 1 A/cm2, 80℃에서 2.7V였다.
Nafion 117 membrane was used as the solid polymer electrolyte (SPE) and, H2PtCl6 and NaBH4 were used as the electrode material and reducing agent, respectively. The effect of the deposition time was investigated on morphological, electrochemical characteristics and water electrolysis performance of prepared Pt-SPE composite. In water electrolysis performance, the cell voltage decreased as the deposition time increased. At 60 min, the cell voltage showed a minimal value of 2.7 V at a current density 1A/cm2 and 80 ℃.
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Takenaka H, Torikai E, Kawami Y, Wakabayashi N, Int. J. Hydrog. Energy, 7, 397 (1982)
Millet P, Pineri M, J. Appl. Electrochem., 19, 162 (1989)
Millet P, Alleau T, Durand R, J. Appl. Electrochem., 23, 322 (1993)
Takenaka H, Torikai E, Japan Patent, shou 53-110267 (1980)
Kim J, Lee SM, Srinivasan S, Chamberlin CE, J. Electrochem. Soc., 142(8), 2670 (1995)
Eames DJ, Newman J, J. Electrochem. Soc., 142(11), 3619 (1995)
Wilson MS, Gottesfeld S, J. Appl. Electrochem., 22, 1 (1992)
Bjornbom P, Electrochim. Acta, 32, 1 (1987)
Holze R, Ahn J, J. Membr. Sci., 73, 87 (1992)
Kang MS, Ph.D. Yonsei Univ., Seoul, Korea (1997)
Katayama-Aramata A, Ohnishi R, J. Am. Chem. Soc., 105, 658 (1983)
Wen TC, Hu CC, J. Electrochem. Soc., 139, 8 (1992)
Xing XK, Eiu CC, Electroanalysis, 3, 111 (1991)
Katayama-Aramata A, Nakajima H, Fujikawa K, Kita H, Electrochim. Acta, 28, 777 (1983)
Nuttall LJ, Russell JH, Int. J. Hydrog. Energy, 5, 75 (1980)
Blurton KF, Greenberg P, Oswin HG, Rutt DR, J. Electrochem. Soc., 119, 5 (1972)
Her WH, Fedkiw PS, J. Electrochem. Soc., 136, 3 (1989)
Liu R, Her WH, Fedkiw PS, J. Electrochem. Soc., 139, 1 (1992)
Shou H, "Denkikagakusokuteibou(I)," Gihoudou Co., Tokyo (1988)
Sakai T, Kawami Y, Takenaka H, Torikai E, J. Electrochem. Soc., 137, 12 (1990)
