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Wettability and Surface Treatment of Carbon Powder
http://hdl.handle.net/10098/4805
http://hdl.handle.net/10098/4805c8ba678d-23c1-452b-a728-51fb468be51f
名前 / ファイル | ライセンス | アクション |
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AN00215401-018-02-014.pdf (580.9 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-01-11 | |||||
タイトル | ||||||
タイトル | Wettability and Surface Treatment of Carbon Powder | |||||
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 | departmental bulletin paper | |||||
著者 |
HORITA, Kiyoshi
× HORITA, Kiyoshi× WATANABE, Nohuatsu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In investigating the relation between wettability and surface treatment of carbon powder for fuel cell, air cell, etc., the following results Were obtained: (1) The surface area of carbon powder increased by steam treatment, but the contact angle to water decreased somewhat. (2) The contact angles to water of surface treated carbon powder were in the 90-94° range. The surface area, hOWever, decreased considerably except under fluorine gas treatment. (3) It was found that in treatment with a H2O2 solution in 1 %, the contact angle of paraffin coated carbon decreased from 91 ° to 50° after 30 minutes. On the other hand, the contact angles of polyethylene, polystyrene and fluorine gas treated samples remained constant for 4-6 hours. (4) The waterproofing effect as a porous carbon electrode was discussed from changes in the electrode potential of air cell with time. The electrodes treated by polyethylene and fluorine gas gave good results. Particularly the electrode treated by fluorine gas showed great promise, despite some problems in respect to mechanical strength. | |||||
書誌情報 |
福井大学工学部研究報告 巻 18, 号 2, p. 303-310, 発行日 1970-09 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 4298373 | |||||
書誌レコードID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | TD00003734 |