Operando XAFS Imaging of Distribution of Pt Cathode Catalysts in PEFC MEA.

Autor: Matsui, Hirosuke^1,2 (AUTHOR) h-matsui@chem.nagoya-u.ac.jp, Maejima, Naoyuki¹ (AUTHOR), Ishiguro, Nozomu² (AUTHOR), Tan, Yuanyuan¹ (AUTHOR), Uruga, Tomoya^3,4 (AUTHOR), Sekizawa, Oki^3,4 (AUTHOR), Sakata, Tomohiro³ (AUTHOR), Tada, Mizuki^1,2 (AUTHOR) mtada@chem.nagoya-u.ac.jp

Publikováno v: Chemical Record. Jul2019, Vol. 19 Issue 7, p1380-1392. 13p.

Operando XAFS Imaging of Distribution of Pt Cathode Catalysts in PEFC MEA

Autor: Nozomu Ishiguro, Hirosuke Matsui, Tomohiro Sakata, Oki Sekizawa, Mizuki Tada, Naoyuki Maejima, Yuanyuan Tan, Tomoya Uruga

Publikováno v: The Chemical Record. 19:1380-1392

Three-dimensional imaging using X-ray as a probe is state-of-the-art for the characterization of heterogeneous materials. In addition to simple imaging of sample morphology, imaging of elemental distribution and chemical states provides advanced maps

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8f7ac91b6c7a96e06b354da37f81fd9
https://doi.org/10.1002/tcr.201800123

PEFC MEA Comparative Testing for Pure Hydrogen and Oxygen Operation

Autor: Fabio V. Matera, Irene Gatto, Giosue? Giacoppo, Orazio Barbera, Enza Passalacqua

Publikováno v: SEEP 2012-5th International Conference on Sustainable Energy & Environmental Protection, pp. 423–436, Dublin (Ireland), 5-8 June 2012
info:cnr-pdr/source/autori:F.V. Matera, I. Gatto, G. Giacoppo, O. Barbera, E. Passalacqua/congresso_nome:SEEP 2012-5th International Conference on Sustainable Energy & Environmental Protection/congresso_luogo:Dublin (Ireland)/congresso_data:5-8 June 2012/anno:2012/pagina_da:423/pagina_a:436/intervallo_pagine:423–436
SEEP 2012-5th Sustainable Energy and Environmental Protection, pp. 423–428, Dublin (Ireland), June 5-8, 2012
info:cnr-pdr/source/autori:Fabio V. Matera, Irene Gatto, Giosue? Giacoppo, Orazio Barbera, Enza Passalacqua/congresso_nome:SEEP 2012-5th Sustainable Energy and Environmental Protection/congresso_luogo:Dublin (Ireland)/congresso_data:June 5-8, 2012/anno:2012/pagina_da:423/pagina_a:428/intervallo_pagine:423–428

Pure hydrogen and oxygen fuel cells are used in space and submarine applications but not much can be found in literature. In this work three different commercial MEAs (IRD XL PFSA reinforced membrane, a Baltic with Nafion 212 membrane and a Alfa-Aesa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6285cf2d54e8a1cf6ba2d904b1f6cd99
https://publications.cnr.it/doc/244967

Local structures and robust oxygen reduction performances of TiN-supported bimetallic Pt–Cu electrocatalysts for fuel cellsElectronic supplementary information (ESI) available: BET profile, chemical composition analysis by XRF, STEM-EDS mapping, Pt LIII-edge, Cu K-edge, and Ti K-edge XAFS analysis, a summary of XPS fitting results, the relationship of the Pt 4f7/2and Cu 2p3/2core-level shift relative to valence states, electrochemical analysis by the RDE technique and practical PEFC operations. See DOI: https://doi.org/10.1039/d3cy01438j

Autor: Matsui, Hirosuke, Shoji, Asako, Chen, Chaoqi, Zhao, Xiao, Uruga, Tomoya, Tada, Mizuki

Publikováno v: Catalysis Science & Technology; 2024, Vol. 14 Issue: 6 p1501-1511, 11p

Performance and durability of Pt/C cathode catalysts with different kinds of carbons for polymer electrolyte fuel cells characterized by electrochemical and in situ XAFS techniques.

Autor: Nagasawa, Kensaku, Takao, Shinobu, Higashi, Kotaro, Nagamatsu, Shin-ichi, Samjeské, Gabor, Imaizumi, Yoshiaki, Sekizawa, Oki, Yamamoto, Takashi, Uruga, Tomoya, Iwasawa, Yasuhiro

Publikováno v: Physical Chemistry Chemical Physics (PCCP); 2014, Vol. 16 Issue 21, p10075-10087, 13p