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 [국제학회]Characterization of Lead Dioxide Electrodes Prepared by Thermal Decomposition Method on a Stainless Steel Substrate and Its Electrochemical Behavior |
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Joon-Woo Lee, Bae-Jin Choi, In-Hyeong Yeo
Department of Chemistry, Dongguk Univ.
발표형식: Poster 1PY-47, 발표일자: 2001.08.08
학회명: Asianalysis VI(The Sixth Asian Conference on Analytical Sciences), 개최지: Tokyo, Japan
기타: .
ABSTRACT: August 8 Poster
1PY-47 Characterization of Lead Dioxide Electrodes Prepared by Thermal Decomposition Method on a Stainless Steel Substrate and Its Electrochemical Behavior
Joon-Woo Lee, Bae-Jin Choi, In-Hyeong Yeo
Lead monoxide (PbO) on stainless steel substrates was prepared by thermal decomposition of lead propionate as a precursor. In order to form the lead oxides, the lead propionate was repeatedly brushed and/or air-sprayed on the stainless steel electrodes and heated at various temperature of 200 ~ 700oC in an electric furnace. The oxide could be convert to the corresponding lead dioxide (PbO2) by applying the potential of 1.5 V in acidic media. The resulting thin films of the oxides before and after electrochemical treatment were analyzed by electrochemical and X-ray diffraction methods. The preferential growth of tetragonal phases of lead monoxides on the stainless steel substrate was observed. Electrochemical activity of the oxides prepared by thermal method was compared with that of lead dioxides prepared by electrochemical method.
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