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4D Visualization of a Cathode Catalyst Layer in a Polymer Electrolyte Fuel Cell by 3D Laminography–XAFS

2012; Wiley; Volume: 51; Issue: 41 Linguagem: Inglês

10.1002/anie.201204478

1521-3773

Takahiro Saida, Oki Sekizawa, Nozomu Ishiguro, Masato Hoshino, Kentaro Uesugi, Tomoya Uruga, Shin‐ichi Ohkoshi, Toshihiko Yokoyama, Mizuki Tada,

Electron and X-Ray Spectroscopy Techniques

Angewandte Chemie International EditionVolume 51, Issue 41 p. 10311-10314 Communication 4D Visualization of a Cathode Catalyst Layer in a Polymer Electrolyte Fuel Cell by 3D Laminography–XAFS† Dr. Takahiro Saida, Dr. Takahiro Saida Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this authorDr. Oki Sekizawa, Dr. Oki Sekizawa Innovation Research Center for Fuel Cells, The University of Electro-Communications, Chofu, Tokyo 182-8585 (Japan)Search for more papers by this authorNozomu Ishiguro, Nozomu Ishiguro Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)Search for more papers by this authorDr. Masato Hoshino, Dr. Masato Hoshino Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorDr. Kentaro Uesugi, Dr. Kentaro Uesugi Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorProf. Dr. Tomoya Uruga, Prof. Dr. Tomoya Uruga Innovation Research Center for Fuel Cells, The University of Electro-Communications, Chofu, Tokyo 182-8585 (Japan) Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorProf. Dr. Shin-ichi Ohkoshi, Prof. Dr. Shin-ichi Ohkoshi Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)Search for more papers by this authorProf. Dr. Toshihiko Yokoyama, Prof. Dr. Toshihiko Yokoyama Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) The Graduate University for Advanced Studies (SOKENDAI), Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this authorProf. Dr. Mizuki Tada, Corresponding Author Prof. Dr. Mizuki Tada mtada@ims.ac.jp Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) The Graduate University for Advanced Studies (SOKENDAI), Myodaiji, Okazaki, Aichi 444-8585 (Japan)Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this author Dr. Takahiro Saida, Dr. Takahiro Saida Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this authorDr. Oki Sekizawa, Dr. Oki Sekizawa Innovation Research Center for Fuel Cells, The University of Electro-Communications, Chofu, Tokyo 182-8585 (Japan)Search for more papers by this authorNozomu Ishiguro, Nozomu Ishiguro Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)Search for more papers by this authorDr. Masato Hoshino, Dr. Masato Hoshino Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorDr. Kentaro Uesugi, Dr. Kentaro Uesugi Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorProf. Dr. Tomoya Uruga, Prof. Dr. Tomoya Uruga Innovation Research Center for Fuel Cells, The University of Electro-Communications, Chofu, Tokyo 182-8585 (Japan) Japan Synchrotron Radiation Research Institute, SPring-8, Koto, Sayo, Hyogo 679-5198 (Japan)Search for more papers by this authorProf. Dr. Shin-ichi Ohkoshi, Prof. Dr. Shin-ichi Ohkoshi Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)Search for more papers by this authorProf. Dr. Toshihiko Yokoyama, Prof. Dr. Toshihiko Yokoyama Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) The Graduate University for Advanced Studies (SOKENDAI), Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this authorProf. Dr. Mizuki Tada, Corresponding Author Prof. Dr. Mizuki Tada mtada@ims.ac.jp Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan) The Graduate University for Advanced Studies (SOKENDAI), Myodaiji, Okazaki, Aichi 444-8585 (Japan)Institute for Molecular Science, 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585 (Japan)Search for more papers by this author First published: 11 September 2012 https://doi.org/10.1002/anie.201204478Citations: 60 † We thank Prof. Y. Iwasawa (Univ. Electro-Commun.) and Prof. M. Takata (RIKEN/Univ. Tokyo) for their helpful discussion. We also thank Dr. S. Nakao and M. Saito (IMS) for SEM and TEM measurements. XAFS measurements were performed with the approval of SPring-8 No. 2011A1537 (BL47XU) and No. 2011B1015 (BL01B1). This work was supported in part by the Polymer Electrolyte Fuel Cell Program from the New Energy and Industrial Technology Development Organization (NEDO) of Japan. XAFS=X-ray absorption fine structure. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract Four-dimensional visualization of Pt/C cathode catalyst layers in membrane electrode assemblies (MEAs) were successfully performed by a newly developed method, namely laminography–XAFS (X-ray absorption fine structure). The method not only enables imaging of the 3D distribution of Pt nanoparticle cathode catalysts, but also the chemical states of the Pt catalysts in fresh and degraded MEAs in a nondestructive manner. Citing Literature Supporting Information Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Filename Description anie_201204478_sm_miscellaneous_information.pdf705.6 KB miscellaneous_information Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. Volume51, Issue41October 8, 2012Pages 10311-10314 RelatedInformation