Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Yoshiyuki KURODA"'
Autor:
Yoshiyuki Kuroda, Daiji Mizukoshi, Vinay Yadav, Tatsuya Taniguchi, Yuta Sasaki, Yoshinori Nishiki, Zaenal Awaludin, Akihiro Kato, Shigenori Mitsushima
Publikováno v:
Advanced Energy & Sustainability Research, Vol 5, Iss 11, Pp n/a-n/a (2024)
Self‐repairing catalysts are useful for achieving alkaline water electrolyzers with long lifetimes under intermittent operation. However, rational methodologies for designing self‐repairing catalysts have not yet been established. Herein, hybrid
Externí odkaz:
https://doaj.org/article/a73fa733fbdd445ab4b394a082b54f02
Publikováno v:
Electrochemistry, Vol 92, Iss 9, Pp 097003-097003 (2024)
Direct toluene electro-hydrogenation is gaining considerable attention for storing and transporting large amounts of energy. When a proton exchange membrane (PEM) is used in this system, dragged water molecules migrate with the protons from the anode
Externí odkaz:
https://doaj.org/article/ad0d5d773b1f4aafa2b25664d63b8ceb
Autor:
Kohei Nagai, Takayuki Osa, Gen Inoue, Takuya Tsujiguchi, Takuto Araki, Yoshiyuki Kuroda, Morio Tomizawa, Keisuke Nagato
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Parameter optimization is a long-standing challenge in various production processes. Particularly, powder film forming processes entail multiscale and multiphysical phenomena, each of which is usually controlled by a combination of several p
Externí odkaz:
https://doaj.org/article/04613d3b56a64408a600b371fb8f3b35
Publikováno v:
Electrochemistry, Vol 89, Iss 3, Pp 250-255 (2021)
An electrochemical methanol concentration sensor with practicality and reliability has been developed to apply for a direct methanol fuel cell (DMFC) system. The methanol concentration can be estimated simply by the original algorithm based on the Ar
Externí odkaz:
https://doaj.org/article/bac7552c002f4a8dbdec24ea18488478
Autor:
Ashraf ABDEL HALEEM, Kensaku NAGASAWA, Yoshiyuki KURODA, Yoshinori NISHIKI, Awaludin ZAENAL, Shigenori MITSUSHIMA
Publikováno v:
Electrochemistry, Vol 89, Iss 2, Pp 186-191 (2021)
For electrocatalysts of oxygen evolution reaction (OER), a new accelerated durability test (ADT) protocol is presented. The protocol is designed to closely mimic the fluctuations of renewable energies. The unit cycle of the current ADT protocol repre
Externí odkaz:
https://doaj.org/article/4c30b28be3b2412781713d348df228b6
Autor:
Yongbing Ma, Takaaki Nagai, Yuta Inoue, Kaoru Ikegami, Yoshiyuki Kuroda, Koichi Matsuzawa, Teko W. Napporn, Yan Liu, Shigenori Mitsushima, Akimitsu Ishihara
Publikováno v:
Materials & Design, Vol 203, Iss , Pp 109623- (2021)
Niobium-added titanium oxide is a promising candidate as a substitute carbon support for cathodes of PEFCs. Nb-added TiO2 can act as a support for platinum nanoparticles to enhance the oxygen reduction reaction (ORR) activity and durability under aci
Externí odkaz:
https://doaj.org/article/17f2d3e321b5494d8dff3d3ff596fb01
Autor:
Yongbing MA, Hirokata KAJIMA, Yuta SHIMASAKI, Takaaki NAGAI, Teko W. NAPPORN, Hiroaki WADA, Kazuyuki KURODA, Yoshiyuki KURODA, Akimitsu ISHIHARA, Shigenori MITSUSHIMA
Publikováno v:
Electrochemistry, Vol 90, Iss 5, Pp 057004-057004 (2022)
For polymer electrolyte fuel cell cathodes, highly durable supports are required to prevent catalyst degradation in supports. In this study, as model Pt catalysts, 2–10 wt% Pt was deposited on Magnéli-phase niobium-doped macroporous Ti4O7 (Nb–Ti
Externí odkaz:
https://doaj.org/article/e2a5fd817dfc499dbee27923873010d3
Publikováno v:
Electrochemistry, Vol 90, Iss 4, Pp 047004-047004 (2022)
In this study, we propose a highly accurate catalyst evaluation method by improving the time-zero analysis, which has been reported as an activity evaluation method for gas evolution powder catalysts. We refined the extrapolation approach to plot in
Externí odkaz:
https://doaj.org/article/01f1ae9c3bbd450690cec78ccb987187
Publikováno v:
Electrochemistry, Vol 90, Iss 1, Pp 017012-017012 (2022)
The evaluation of the powder catalyst activity is essential for the development of high-performance electrocatalysts for water electrolysis. However, the gas generated therein interferes with the accurate measurement by covering the catalyst surface.
Externí odkaz:
https://doaj.org/article/f9ba7b73cd0a490d9fb32ef2bfa56264
Publikováno v:
Electrochemistry, Vol 90, Iss 1, Pp 017007-017007 (2022)
A “heat- and mass-balance analysis” for a direct-methanol fuel cell (DMFC) system, accounting for actual experimental data and the heat- and mass transfer of the DMFC, is proposed to facilitate the usage of general spreadsheet software. The sprea
Externí odkaz:
https://doaj.org/article/33d5e2d7deaa43cc9880bfc9234c8507