Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Communications
Evaluation of Metal-loaded Activated Carbon Electrode for Electrochemical Capacitor Prepared by Plasma CVD Method
Keiichi OKAJIMANaotake SAKUMOTOTakashi TOYAMasao SUDOH
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2001 Volume 69 Issue 6 Pages 428-430

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Abstract

Aiming to increase the capacitance with double-layer capacitance and pseudocapacitance, metal-loaded active carbon fiber (ACF) electrodes for use in electrochemical capacitors were prepared by the plasma enhanced chemical vapor deposition method. Platinum was used as the loaded material, and the preparation conditions such as substrate temperature, concentration of the aqueous Pt solution and plasma output were investigated. For the Pt-loaded ACF samples with a specific surface area of 1,500 m2/g, the capacitance increased by 24% compared to the untreated sample, and the highest electric capacity value of 306 F/g was achieved at a substrate temperature of the 250℃.

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© 2001 The Electrochemical Society of Japan
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