Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Gabor, Samjeské"'
Autor:
Hirosuke Matsui, Shinobu Takao, Kotaro Higashi, Takuma Kaneko, Gabor Samjeské, Tomoya Uruga, Mizuki Tada, Yasuhiro Iwasawa
Publikováno v:
ACS Applied Materials & Interfaces. 14:6762-6776
There is little information on the spatial distribution, migration, and valence of Ce species doped as an efficient radical scavenger in a practical polymer electrolyte fuel cell (PEFC) for commercial fuel cell vehicles (FCVs) closely related to a se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5cd35fac9f4b39956094729f18e2977
https://doi.org/10.1021/acsami.1c22336
https://doi.org/10.1021/acsami.1c22336
Publikováno v:
Catalysis Science & Technology.
Operando XAFS imaging for the SO2 poisoning of PEFC.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79263336a0c6b82406edfcd14a540d4b
https://doi.org/10.1039/d3cy00241a
https://doi.org/10.1039/d3cy00241a
Autor:
Hirosuke Matsui, Nozomu Ishiguro, Yuanyuan Tan, Naoyuki Maejima, Yuta Muramoto, Tomoya Uruga, Kotaro Higashi, Duong‐Nguyen Nguyen, Hieu‐Chi Dam, Gabor Samjeské, Mizuki Tada
Publikováno v:
ChemNanoMat. 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b36d864d7c553525e0120bd8e16b9af7
https://doi.org/10.1002/cnma.202200008
https://doi.org/10.1002/cnma.202200008
Autor:
Tomohiro Sakata, Oki Sekizawa, Yasuhiro Iwasawa, Takuma Kaneko, Kotaro Higashi, Takashi Yamamoto, Gabor Samjeské, Shinobu Takao, Tomoya Uruga
Publikováno v:
ACS Appl. Mater. Interfaces. 12(2):2299-2312
In order to obtain a suitable design policy for the development of a next-generation polymer electrolyte fuel cell, we performed a visualization analysis of Pt and Co species following aging and degradation processes in membrane-electrode assembly (M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcda3afb2adb66dc63e7271842b42057
http://id.nii.ac.jp/1438/00009587/
http://id.nii.ac.jp/1438/00009587/
Autor:
Tomoya Uruga, Shinobu Takao, Kotaro Higashi, Hirosuke Matsui, Yasuhiro Iwasawa, Mizuki Tada, Gabor Samjeské
Publikováno v:
Physical Chemistry Chemical Physics. 22:18919-18931
We developed a multi-analysis system that can measure in situ time-resolved quick XAFS (QXAFS) and in situ three-dimensional XAFS-CT spatial imaging in the same area of a cathode electrocatalyst layer in a membrane-electrode assembly (MEA) of a polym
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aa7ed3fb777f070a5e4229a6cb6cc07
https://doi.org/10.1039/d0cp01356k
https://doi.org/10.1039/d0cp01356k
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 50(20)
Ultrafine bimetallic Pt–Ni nanoparticles, which catalyze the oxygen reduction reaction (ORR) efficiently, were successfully prepared in hollow porous carbon spheres (HPCSs) under the assistance of organic molecules. 2,2′-Dipyridylamine (dpa) was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58046ea1c78714b463451c16142aad56
https://pubmed.ncbi.nlm.nih.gov/33890597
https://pubmed.ncbi.nlm.nih.gov/33890597
Autor:
Kotaro Higashi, Yasuhiro Iwasawa, Takuma Kaneko, Tomoya Uruga, Gabor Samjeské, Takao Gunji, Mizuki Tada
Publikováno v:
Physical chemistry chemical physics : PCCP. 22(17)
The synchronizing measurements of both cyclic voltammograms (CVs) and real-time quick XAFSs (QXAFSs) for Pt/C cathode electrocatalysts in a membrane electrode assembly (MEA) of polymer electrolyte fuel cells (PEFCs) treated by anode-gas exchange (AGE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c42bf1bf01d0054c87765e58d3a8f9f
https://pubmed.ncbi.nlm.nih.gov/32314748
https://pubmed.ncbi.nlm.nih.gov/32314748
Autor:
Shinobu, Takao, Oki, Sekizawa, Kotaro, Higashi, Gabor, Samjeské, Takuma, Kaneko, Tomohiro, Sakata, Takashi, Yamamoto, Tomoya, Uruga, Yasuhiro, Iwasawa
Publikováno v:
ACS applied materialsinterfaces. 12(2)
In order to obtain a suitable design policy for the development of a next-generation polymer electrolyte fuel cell, we performed a visualization analysis of Pt and Co species following aging and degradation processes in membrane-electrode assembly (M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::36d72b89136cc6507ef6a5576c130499
https://pubmed.ncbi.nlm.nih.gov/31841306
https://pubmed.ncbi.nlm.nih.gov/31841306
Autor:
Takashi Yamamoto, Yasuhiro Iwasawa, Takao Gunji, Shinobu Takao, Yusuke Yoshida, Tomohiro Sakata, Kotaro Higashi, Tomoya Uruga, Takuma Kaneko, Xiao Zhao, Oki Sekizawa, Gabor Samjeské
Publikováno v:
ACS Applied Materials & Interfaces. 10(33):27734-27744
It is hard to directly visualize spectroscopic and atomic-nanoscopic information on the degraded Pt/C cathode layer inside polymer electrolyte fuel cell (PEFC). However, it is mandatory to understand the preferential area, sequence, and relationship
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1cd74c6c31f9ab310a0365ad097851e
http://id.nii.ac.jp/1438/00009279/
http://id.nii.ac.jp/1438/00009279/
Autor:
Kotaro Higashi, Yusuke Yoshida, Yasuhiro Iwasawa, Gabor Samjeské, Tomoya Uruga, Shinobu Takao, Tomohiro Sakata, Takao Gunji, Oki Sekizawa, Takuma Kaneko, Xiao Zhao
Publikováno v:
Topics in Catalysis. 61:889-901
This account article treats with the key structural transformations and kinetics of Pt nanoparticles in Pt/C cathode catalysts under transient voltage operations (0.4 VRHE→1.4 VRHE→0.4 VRHE) by simultaneous operando time-resolved QXAFS–XRD meas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a82cd096b786da398f1869bbd38b1659
https://doi.org/10.1007/s11244-018-0934-1
https://doi.org/10.1007/s11244-018-0934-1