Preparation and characterization of activated carbon tablets for electric double layer capacitors.
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概要
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Two types of activated carbon tablets (AC tablets) were prepared and characterized by adsorption methods for electric double-layer capacitors. The tablets were prepared from either the activation or carbonization of molded mixtures comprising phenolic resin-based activated carbon powders and phenolic resins. The specific surface area of the tablets (a) prepared from activation was 2010 m<SUP>2</SUP>g<SUP>−1</SUP> and the bulk density was 0.45 gcm<SUP>−3</SUP>. The area of tablets (b) from carbonization was 1400 m<SUP>2</SUP>g<SUP>−1</SUP> with a yield of 83% (weight of obtained tablets/weight of molded mixtures). The capacitance of the capacitors with tablets (a) showed 7.3–12.5 F/(cm<SUP>3</SUP> of AC tablets). The reliability of the capacitors with AC tablets (a) and (b) was improved in comparison with that of capacitors with polarizable electrodes comprising activated carbon powders and binders.
- 公益社団法人 日本化学会の論文
著者
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Tanahashi Ichiro
Central Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Nishino Atsushi
Central Research Laboratories, Matsushita Electric Industrial Co., Ltd.
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Yoshida Akihiko
Central Research Laboratories, Matsushita Electric Industrial Co., Ltd.
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