電気化学キャパシター用マンガン酸化物電極の作製における実験条件の最適化
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概要
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To improve the performance of manganese oxides applying to electrochemical capacitor as electrodes, the hydrothermal electrochemical deposition method was used for preparing the manganese oxide films. The optimum synthesis conditions and each synthesis factor (such as solution concentration, synthesis temperature, deposition time and deposition voltage) contributing to the specific capacitance of synthesized manganese oxides were approached by using Taguchi experimental design method. The synthesis temperature and concentration of manganese acetate were the two main factors influencing the specific capacitance. The manganese oxide films deposited under the solution concentration of 0.2 mol L^<-1>, synthesis temperature of 100℃, deposition time of 60s, and deposition voltage of 0.8V showed the optimum specific capacitance of ca. 126.35Fg^<-1>. Porous and needle-like morphology enhanced the specific capacitance of manganese oxide film but restricted the stability performance of charge/discharge. The crystalline Mn_3O_4 and denser morphology revealed the good stable ability of capacitive performance after 600 cyclic-life test.
- 社団法人日本セラミックス協会の論文
- 2007-06-01
著者
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吉村 昌弘
Center For Materials Design Materials And Structures Laboratory Tokyo Institute Of Technology
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LIANG Chih-Hsiang
Department of Materials Science and Engineering, National Cheng Kung University
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HWANG Chii-Shyang
Department of Materials Science and Engineering, National Cheng Kung University
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Liang Chih-hsiang
Department Of Materials Science And Engineering National Cheng Kung University
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Hwang Chii-shyang
Department Of Materials Science And Engineering National Cheng Kung University
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吉村 昌弘
Center For Materials Design Materials And Structures Lab. Tokyo Inst. Of Technol.
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LIang Chin-Hsiang
Department of Materials Science and Engineering, National Cheng Kung University
関連論文
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