Výsledky vyhledávání - "Mari Takasaki"

Degradation Study of Perfluorosulfonic Acid Polymer Electrolytes: Approach from Decomposition Product Analysis

Autor: Kenji Ookubo, Yoko Sakiyama, Mari Takasaki, Michio Hori, Yoshitsugu Nakagawa, Nobuyuki Sato, Tomohiro Minamide, Hiroshi Nakayama, Kenji Tanabe

Publikováno v: Journal of The Electrochemical Society. 160:F413-F416

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbe56b3be4ca3f1063930a1a3c3dcb33
https://doi.org/10.1149/2.076304jes

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Complete NMR assignment of a sulfonated aromatic block copolymer via heteronuclear single-quantum correlation, heteronuclear multiple-bond correlation and heteronuclear single-quantum correlation total correlation spectroscopy

Autor: Kazuo Kimura, Mari Takasaki, Kenji Miyatake, Yoshitsugu Nakagawa, Byungchan Bae, Masahiro Watanabe, Nobuyuki Sato

Publikováno v: Polymer Journal. 44:845-849

A sulfonated aromatic block copolymer (SABC), consisting of hydrophobic and hydrophilic blocks, was analyzed by heteronuclear single-quantum correlation (HSQC), heteronuclear multiple-bond correlation (HMBC) and HSQC total correlation spectroscopy (H

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed9a224732651e5c19875325418e2ecc
https://doi.org/10.1038/pj.2012.125

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Degradation Study of PFSA Polymer Electrolytes: Approach from Decomposition Product Analysis

Autor: Michio Hori, Hiroshi Nakayama, Tomohiro Minamide, Kenji Tanabe, Yoko Sakiyama, Kenji Ookubo, Nobuyuki Sato, Mari Takasaki, Yoshitsugu Nakagawa

Publikováno v: ECS Transactions. 17:439-447

Fuel cell operation tests (I) and hydrogen peroxide vapor exposure tests with PFSA (perfluorosulfonic acid) polymer membranes (II) were carried out, and the decomposition products of PFSA polymer during the tests were examined mainly by NMR. (I) Afte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6081cad0fbe57de1762daf78a125238c
https://doi.org/10.1149/1.3142773

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Structural Analysis of a Perfluorosulfonate Ionomer in Solution by 19F and 13C NMR

Autor: Mari Takasaki, Kazuo Kimura, Ken Kawaguchi, Gen Katagiri, and Akira Abe

Publikováno v: Macromolecules. 38:6031-6037

We demonstrate 19F and 13C NMR assignments and study of the structure in solution of Nafion, a perfluorosulfonate ionomer. Using 19F−13C HSQC, 19F−13C CIGAR-HMBC, and 19F−19F COSY to the model compounds of Nafion, we determine 19F and 13C assig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::836224648c2bd8ae2b121c67454d0ee3
https://doi.org/10.1021/ma047970h

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