Zobrazeno 1 - 10
of 280
pro vyhledávání: '"Shunya Yamamoto"'
Autor:
Tetsuya Kimata, Sho Kato, Tomohiro Kobayashi, Shunya Yamamoto, Tetsuya Yamaki, Takayuki Terai
Publikováno v:
APL Materials, Vol 11, Iss 6, Pp 061115-061115-8 (2023)
Proton exchange membrane fuel cells (PEMFCs) have attracted considerable attention as distributed power sources for automotive and residential applications. In PEMFCs, platinum (Pt) nanoparticles supported on carbon materials are used as electrocatal
Externí odkaz:
https://doaj.org/article/3b9b672c754d4f1298b476568494f6b7
Autor:
Hiroyuki Saitoh, Toyoto Sato, Mai Tanikami, Kazutaka Ikeda, Akihiko Machida, Tetsu Watanuki, Tomitsugu Taguchi, Shunya Yamamoto, Tetsuya Yamaki, Shigeyuki Takagi, Toshiya Otomo, Shin-ichi Orimo
Publikováno v:
Materials & Design, Vol 208, Iss , Pp 109953- (2021)
Among the various functionalities of hydrides, their use in hydrogen storage has been the most intensively studied because hydrides can store hydrogen compactly and safely. Thus, hydrides are key materials for the hydrogen economy. Here, the hydrogen
Externí odkaz:
https://doaj.org/article/0836c8052e2c492399325cdf55e0cfc7
Autor:
Hiroshi Amekura, Kazumasa Narumi, Atsuya Chiba, Yoshimi Hirano, Keisuke Yamada, Shunya Yamamoto, Yuichi Saitoh
Publikováno v:
Quantum Beam Science, Vol 6, Iss 1, p 4 (2022)
Quartz (SiO2) crystals possess intrinsic columnar pores perpendicular to (0001) surfaces, consisting of three- and six-membered ring (3MR and 6MR) structures of Si and O atoms. The diameters of the larger pores, i.e., 6 MRs, are ~0.49 nm, while the d
Externí odkaz:
https://doaj.org/article/0948d3cd6f7d4871a16f46064cf5911e
Autor:
Yuma Sato, Hiroshi Koshikawa, Shunya Yamamoto, Masaki Sugimoto, Shin-ichi Sawada, Tetsuya Yamaki
Publikováno v:
Quantum Beam Science, Vol 5, Iss 3, p 21 (2021)
The micro/nanocone structures of noble metals play a critical role as heterogeneous electrocatalysts that provide excellent activity. We successfully fabricated platinum cones by electrodeposition using non-penetrated porous membranes as templates. T
Externí odkaz:
https://doaj.org/article/0563ce4db5cd4607874a50e0408c1993
Publikováno v:
Quantum Beam Science, Vol 4, Iss 1, p 11 (2020)
Ion implantation technique was employed to introduce iron nanoparticles (Fe NPs) into a carbon precursor polymer with the aim of forming of a graphitic nanostructure through catalytic graphitization by the introduced Fe NPs. A phenolic resin was impl
Externí odkaz:
https://doaj.org/article/c5b8b493ffd6418396c11a10db88af4a
Publikováno v:
Quantum Beam Science, Vol 4, Iss 1, p 8 (2020)
Ion-track-etched capillaries containing nanoparticles of precious metals (e.g., Pt, Au, and Ag) can be applied to plasmonic absorber materials. The precipitation of homogeneous and highly dispersed precious metal nanoparticles inside capillaries repr
Externí odkaz:
https://doaj.org/article/8457e55befdd49a8a7b1d1a0317f8a7d
Autor:
Naokatsu Kannari, Yusuke Yokota, Kazuki Onoduka, Anon Shimizu, Kazuyoshi Sato, Hiroyuki Okazaki, Shunya Yamamoto, Hiroya Abe
Publikováno v:
Sustainable Energy & Fuels; 7/7/2024, Vol. 8 Issue 13, p2850-2859, 10p
Autor:
Toshiyuki Mori, Ke Tong, Shunya Yamamoto, Shipra Chauhan, Tomohiro Kobayashi, Noriko Isaka, Graeme Auchterlonie, Roger Wepf, Akira Suzuki, Shigeharu Ito, Fei Ye
Publikováno v:
ACS Omega. 7:25822-25836
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8febc104c1789175af1551bc17e93103
https://doi.org/10.1021/acsomega.2c03348
https://doi.org/10.1021/acsomega.2c03348
Autor:
Naoki Date, Shunya Yamamoto, Naoko Sato, Hisashi Sato, Shizuka Nakano, Yoshimi Watanabe, Shinsuke Suzuki
Publikováno v:
Metallurgical and Materials Transactions A. 52:3609-3627
In this study, the effects of solidification conditions on the grain refinement capacity of heterogeneous nuclei TiC in directionally solidified Ti6Al4V alloy were investigated using experimental and numerical approaches. Ti6Al4V powder with and with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45b759b4fc7c6191f343860cf261a434
https://doi.org/10.1007/s11661-021-06333-2
https://doi.org/10.1007/s11661-021-06333-2
Autor:
Toshiyuki, Mori, Tong, Ke, Shunya, Yamamoto, Chauhan, Shipra, Tomohiro, Kobayashi, Noriko, Isaka, Auchterlonie, Graeme, Wepf, Roger, Akira, Suzuki, Shigeharu, Ito, Ye, Fei
Publikováno v:
ACS Omega.
本研究では、電子線照射を用いた放射線還元法によりCeOx ナノワイヤーにPtをナノコートした電極触媒を形成し、この電極触媒を用いた電極接合体（MEA）の動作において高い耐久性が得ら
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=jairo_______::0ab313cf047723dc8989d4ec6fd609ca
https://repo.qst.go.jp/records/86595
https://repo.qst.go.jp/records/86595