Frequency Dispersion of Double Layer Capacitance of Polyaniline-Coated Electrodes Under the Conducting State

• 資料種別: 文書・図像類
• タイトル: Frequency Dispersion of Double Layer Capacitance of Polyaniline-Coated Electrodes Under the Conducting State
• 著者・編者: Wang, Zhaohao; Aoki, Koichi Jeremiah; Chen, Jingyuan; Zeng, Xiangdong
• 著者標目: Wang, Zhaohao; Aoki, Koichi Jeremiah; Chen, Jingyuan; Zeng, Xiangdong
• 出版事項: Canadian Center of Science and Education
• 出版年月日等: 2018-04-11
• 出版年（W3CDTF）: 2018-04-11
• タイトル（掲載誌）: International Journal of Chemistry
• 巻号年月日等（掲載誌）: 10 2
• 掲載巻: 10
• 掲載号: 2
• 掲載ページ: 25-35
• ISSN（掲載誌）: ISSN : 1916-9701
• 本文の言語コード: eng
• 件名標目: frequency dispersion of double layer capacitance; polyaniline-coated electrode; ac-impedance, power law by ac-frequency
• 対象利用者: 一般
• 一般注記: The double layer capacitance of polyaniline (PANi)-coated electrode in acidic solution exhibited little frequency dispersion under the emeraldine (electrically conducting) state, while it showed large frequency dispersion under the insulating state. The former has a possibility of working as such an ideal capacitor that it may generate neither heat in iterative charge-discharge processes nor leakage of stored charge. The frequency dispersion is generally expressed by f-λ for ac-frequency f and a constant λ. This power law is ascribed to orientation of solvent dipoles rather than non-uniform distribution of ions. The value of λ under the conducting state was close to zero, implying the orientation to be facilitated by less interaction of solvents. The less interaction was supported indirectly with strain-stress curves of PANi by atomic force microscopy. λ-Values close to zero were retained even for thick PANi films.
• 一次資料へのリンクURL: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=23956&item_no=1&attribute_id=22&file_no=1
• オンライン閲覧公開範囲: 限定公開
• 関連情報（DOI）: 10.5539/ijc.v10n2p25
• 連携機関・データベース: 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）; https://irdb.nii.ac.jp
• 提供元機関・データベース: 福井大学 : 福井大学学術機関リポジトリ