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Proposal and examination of method of water removal from gas diffusion layer by applying slanted microgrooves inside gas channel in separator to improve polymer electrolyte fuel cell performance
http://hdl.handle.net/10131/9068
http://hdl.handle.net/10131/906809dc9f4d-66d8-46d7-b644-f7dbf9c5ab0b
名前 / ファイル | ライセンス | アクション |
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141231_Manuscript_&_Figs修正投稿版.pdf (591.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-03-09 | |||||
タイトル | ||||||
タイトル | Proposal and examination of method of water removal from gas diffusion layer by applying slanted microgrooves inside gas channel in separator to improve polymer electrolyte fuel cell performance | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Polymer electrolyte fuel cell, Separator, Gas channel, Water management, Slanted microgrooves, LIF method | |||||
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 |
Utaka, Yoshio
× Utaka, Yoshio× Okabe, Akira× Omori, Yasuyuki |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19316 | |||||
姓名 | ウタカ, ヨシオ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19317 | |||||
姓名 | オカベ, アキラ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19318 | |||||
姓名 | オオモリ, ヤスユキ | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19319 | |||||
姓名 | 宇高, 義郎 | |||||
著者所属 | ||||||
Faculty of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Suzuki Motor Co. | ||||||
著者所属 | ||||||
Toyota Motor Co. | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The objective of this study was to improve the management of moisture from the gas diffusion layer (GDL) in the gas channel of a separator for PEFC. At the cathode-side, oxygen is transported as reactant gas from gas channel through GDL. When large quantity of moisture is generated during high power generation, moisture blocks transport of oxygen, and the cell voltage drops drastically. Narrow microgrooves with axes at tilt angle to the air flow were arranged inside channel walls. The water from GDL was discharged along microgrooves to facing top of GDL by forces of capillary and air flow shearing. Laser induced fluorescence method was used to measure water velocity in microgrooves. The effect of air velocity in the gas channel on water velocity in microgrooves was investigated. It was shown microgrooves manufactured inside gas channel worked properly. Water velocity in microgrooves increased with increasing air velocity, and moisture could be discharged from GDL by applying microgrooves. Furthermore, effective length of the microgrooves needed to remove water from the GDL surface increased with decreasing inclination angle of microgrooves in the range of 20°?45°. An effective length of approximately 200 mm was attained, which was overall length of experimental apparatus. | |||||
書誌情報 |
Journal of Power Sources 巻 279, p. 533-539, 発行日 2015-04-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03787753 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00705373 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |