ゾルゲル法によって作製した無機プロトン伝導体を応用した単室型燃料電池の特性

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2012/12/01

タイトル(英語): Performance of Single Chamber Fuel Cell using an Inorganic Proton Conductor Prepared by Sol-Gel Method

著者名: 長田　昭義（大阪工業大学工学部電気電子システム工学科），吉田　拓人（三菱電機エンジニアリング（株） 神戸事業所）

著者名(英語): Akiyoshi Nagata (Faculty of Engineering, Department of Electronic Systems Engineering, Osaka Institute of Technology), Takuto Yoshida (Mitsubishi Electric Engineering Co.)

キーワード: 単室型燃料電池，無機プロトン伝導体，ポータブル電気化学的発電機，ベーマイト電解質膜，ゾルゲル法　　single chamber fuel cell，inorganic proton conductor，portable electrochemical generator，boehmite electrolyte film，sol-gel method

要約(英語): Performance of a novel single chamber fuel cell (SCFC) using an inorganic proton conductor was studied to electric characteristic at catalytic electrodes and operating temperatures in dry gas mixtures of hydrogen and oxygen. The inorganic proton conductor of SCFC was prepared by the sol-gel method using the boehmite (AlO(OH)) material. The open-circuit voltage (OCV) of single cell achieved a maximum of 730mV in the dry gas mixtures of H2/O2=50% at room-temperature operation so that the impedance values of the single cell became lower when using the sputtered Pt as outer electrode and Pt paste as inner electrode. This OCV value corresponds to about theoretical electromotive force. The operating temperature of single cell could improve to 60℃ by performing heat treatment of boehmite film covered with a nafion dispersion solution. Moreover, the power and current densities of single cell increased to 1.1mW/cm2 and 7.64mA/cm2 by making thin boehmite film of 3μm. As a result, the SCFC using the boehmite electrolyte prepared by sol-gel method were found to achieve the cell performance of high-energy density at higher operating temperatures in the dry gas mixtures such that it used as the portable electrochemical generator.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.132 No.12 （2012） 特集：電気電子工学関連分野における教育フロンティア

本誌掲載ページ: 1160-1165 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/132/12/132_1160/_article/-char/ja/