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Influence of the Diffusion Media Structure for the Bubble Distribution in Direct Formic Acid Fuel Cells
http://hdl.handle.net/10131/00013497
http://hdl.handle.net/10131/00013497770838fd-7a63-4919-b44c-565110e5b4bb
名前 / ファイル | ライセンス | アクション |
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Watanabe_2020_J._Electrochem._Soc._167_134502.pdf (2.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-11-30 | |||||
タイトル | ||||||
タイトル | Influence of the Diffusion Media Structure for the Bubble Distribution in Direct Formic Acid Fuel Cells | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Konosuke, Watanabe
× Konosuke, Watanabe× Takuto, Araki× Takuya, Tsujiguchi× Gen, Inoue |
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著者所属 | ||||||
Graduate School of Engineering Science, Yokohama National University | ||||||
著者所属 | ||||||
Faculty of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Institute of Science and Engineering, Kanazawa University | ||||||
著者所属 | ||||||
Department of Chemical Engineering, Kyushu University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Direct formic acid fuel cells (DFAFCs) have received considerable attention because they can generate a higher power density compared to other direct liquid fuel cells. However, when generated CO_2 bubbles are retained in the anode's porous transport layer (PTL), the performance of the DFAFCs deteriorates. The gas–liquid two-phase flow behavior within a PTL is not clear; therefore, in this work the power-generation characteristics of DFAFCs using two types of PTL, carbon paper and carbon cloth, were investigated. It was found that the maximum current density was approximately 60 mA cm^−2 higher with the carbon cloth than with the carbon paper. The CO_2 bubble distribution in the anode's PTLs was visualized by X-ray computed tomography and discuss the effects of the bubbles on the power-generation performance of DFAFCs. We found that interstices in a carbon-cloth PTL provided pathways for bubble migration and release to the channel, so that the bubbles did not deteriorate the power output. Bubble accumulation in a carbon-paper PTL led to a drop in power output, confirming that the structure of the PTL and the CO_2 bubbles affect the power-generation characteristics. | |||||
書誌情報 |
Journal of the Electrochemical Society 発行日 2020-09-14 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1945-7111 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1149/1945-7111/abb565 | |||||
権利 | ||||||
権利情報 | © 2020 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited. [DOI: 10.1149/1945-7111/abb565] | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | IOP Publishing | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1149/1945-7111/abb565 | |||||
関連名称 | https://doi.org/10.1149/1945-7111/abb565 |