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Alkaline durable 2-methylimidazolium containing anion-conducting electrolyte membranes synthesized by radiation-induced grafting for direct hydrazine hydrate fuel cells
https://repo.qst.go.jp/records/49376
https://repo.qst.go.jp/records/493766a6f12c9-ec9e-4879-b113-161081036982
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-12-28 | |||||
タイトル | ||||||
タイトル | Alkaline durable 2-methylimidazolium containing anion-conducting electrolyte membranes synthesized by radiation-induced grafting for direct hydrazine hydrate 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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Yoshimura, Kimio
× Yoshimura, Kimio× Hiroki, Akihiro× Yu, Hwan-Chul× Zhao, Yue× Shishitani, Hideyuki× Yamaguchi, Susumu× Tanaka, Hirohisa× Maekawa, Yasunari× 吉村 公男× 廣木 章博× ザオ ユエ× 前川 康成 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Through the radiation-induced grafting of 2-methyl-N-vinylimidazole (MNVIm) and styrene (St) into a poly(ethylene-co-tetrafluoroethylene) film, polyvinylimidazolium hydroxide-grafted anion-conducting polymer electrolyte membranes (AEMs) (MNVIm/St-AEM (OH)) were prepared to prevent two main degradation routes of an imidazolium group (i.e., β-elimination and ring opening hydrolysis reactions). The treatment of MNVIm/St-AEM with a MNVIm/St molar ratio of 6/4 and an ion-exchange capacities (IEC) of 2.08 mmol g−1 in short time in 1 M potassium hydroxide (KOH) at 80 °C converted part of imidazolium units to ethene monomer units (En), resulting in the formation of terpolymer-grafted membranes (MNVIm/En/St-AEM) (41/26/33) with an IEC of 1.05 mmol g−1. The MNVIm/En/St-AEM (initial conductivity: 53 mS cm−1) maintained conductivity levels of higher than 10 mS cm−1 for 600 h in 1 M KOH and 1300 h with an actual fuel of 5% hydrated hydrazine in 1 M KOH at 80 °C, respectively. By using copoly(N-vinyl-2-methyl-3-hexylimidazolium hydroxide-co-St) ionomer with a polymer structure similar to that of the MNVIm/St-AEM graft copolymer, the MNVIm/St-AEM demonstrated a maximum power density of 230 mW cm−2 in a direct hydrazine hydrate fuel cell. This power density is more than three times higher than that assembled with the N-vinylimidazole containing AEM (NVIm/St-AEM). | |||||
書誌情報 |
Journal of Membrane Science 巻 573, 号 1, p. 403-410, 発行日 2018-12 |
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出版者 | ||||||
出版者 | Elsevier | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0376-7388 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.memsci.2018.12.002 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.sciencedirect.com/science/article/pii/S0376738818320957 | |||||
関連名称 | https://www.sciencedirect.com/science/article/pii/S0376738818320957 |