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Effect of nitrogen and iron in carbon nanowalls on oxygen reduction reaction
http://hdl.handle.net/10131/00012608
http://hdl.handle.net/10131/000126081b3a77b8-86d0-4714-a505-0aefd252e9e6
名前 / ファイル | ライセンス | アクション |
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pagination_EA_33804.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 | 2019-06-10 | |||||
タイトル | ||||||
タイトル | Effect of nitrogen and iron in carbon nanowalls on oxygen reduction reaction | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Carbon nanowalls, Fe-N-doped carbon catalyst, Oxygen reduction reaction, Trace iron, Fuel cell | |||||
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 |
Taniguchi, Moeka
× Taniguchi, Moeka× Yoshie, Ryo× Akikubo, Kazuma× Tateno, Akira× Hotozuka, Kozue× Kawaguchi, Norihito× Uchida, Takashi× Tanimura, Makoto× Tachibana, Masaru |
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著者所属 | ||||||
Department of Materials System Science, Yokohama City University | ||||||
著者所属 | ||||||
Department of Materials System Science, Yokohama City University | ||||||
著者所属 | ||||||
Research Laboratory, IHI Corporation | ||||||
著者所属 | ||||||
Research Laboratory, IHI Corporation | ||||||
著者所属 | ||||||
Research Laboratory, IHI Corporation | ||||||
著者所属 | ||||||
Research Laboratory, IHI Corporation | ||||||
著者所属 | ||||||
Bio-Nano Electronics Research Centre, Toyo University | ||||||
著者所属 | ||||||
Instrumental Analysis Center, Yokohama National University | ||||||
著者所属 | ||||||
Department of Materials System Science, Yokohama City University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of nitrogen (N) and iron (Fe) on oxygen reduction reaction (ORR) was investigated by using carbon nanowalls (CNWs) as carbon matrix. The dopings of N and Fe into CNWs are carried out by N plasma and Fe sputtering, respectively. The onset potentials corresponding to ORR activities are evaluated from steady-state curve of cyclic voltammogram. The composition and structure of CNW catalysts before and after ORR measurements are characterized by X-ray photoelectron spectroscopy (XPS). The onset potential increases in the order of non-, N- and Fe-N-doped CNW catalysts. The ORR activity for N-doped CNW catalysts is ascribed to pyridinic N stabilized near the surface of carbon matrix. The higher ORR activity for Fe-N-doped CNW catalysts is attributed to trace Fe-N rather than pyridinic N near the surface. Additionally, it is shown that such ORR activities due to pyridinic N and Fe-N near the surface are further promoted by Fe and Fe-N incorporated beneath the surface. These knowledges provide effective strategy for the synthesis of Fe-N-doped carbon catalysts with higher ORR activities. | |||||
書誌情報 |
Electrochimica Acta 巻 306, p. 132-142, 発行日 2019-05-20 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00134686 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00633261 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.electacta.2019.03.088 | |||||
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 | |||||
出版者 | ||||||
出版者 | Elsevier |