J-GLOBAL ID:201101018657141030
Update date: Aug. 29, 2024
Okuyama Yuji
オクヤマ ユウジ | Okuyama Yuji
Affiliation and department:
University of Miyazaki Engineering educational research section Research & Development Center for Sustanable Energy and Environmental Engineering
About University of Miyazaki Engineering educational research section Research & Development Center for Sustanable Energy and Environmental Engineering
Research field (3):
Electronic devices and equipment
, Metals and resources production
, Inorganic compounds/materials chemistry
Research keywords (1):
Solid State Ionics
Research theme for competitive and other funds (7):
2024 - 2027 Determination of defect structure in proton-conductive ceramic-electrolyte materials by light-induced pulsed ESR
2021 - 2024 Proton dynamics of proton-conducting solid electrolytes revealed with ultrafast spectroscopy
2016 - 2019 プロトン伝導性酸化物中の内部ポテンシャル分布制御による機能創製
2015 - 2018 Development of proton-conducting oxides based on proton trapping
2013 - 2016 酸化物の微視的欠陥制御による高プロトン伝導性材料の設計
2012 - 2015 A novel solar cell using Si nano-crystals
2007 - 2009 不定比複合酸化物をベースとした固体電解質の高温電気化学特性とその工学的応用
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Papers (76):
Yuichi Mikami, Yuki Sekitani, Kosuke Yamauchi, Tomohiro Kuroha, Yuji Okuyama. Effect of Transition Element Dissolution on Ytterbium-Doped Barium-Zirconate-Based Protonic Ceramic Fuel Cells. ACS Applied Energy Materials. 2024. 7. 3. 1136-1148
Yuji Okuyama, Keita Kasuga, Masaki Shimomura, Yuichi Mikami, Kosuke Yamauchi, Tomohiro Kuroha, Hirofumi Sumi. Analyzing elementary electrode reactions for protonic ceramic fuel cells by proton/deuteron isotope effect. Journal of Power Sources. 2023. 586
Kunpeng Li, Hiroyuki Shimada, Yasunobu Mizutani, Yuji Okuyama, Takuto Araki. Ultra-elevated power density and high energy efficiency of protonic ceramic fuel cells: Numerical and experimental results. Energy Conversion and Management. 2023. 296
Hiroyuki Shimada, Yuichi Mikami, Kosuke Yamauchi, Tomohiro Kuroha, Takayasu Uchi, Kazuo Nakamura, Shun Kobayashi, Ryuma Malik Matsuda, Yuji Okuyama, Yasunobu Mizutani, et al. Improved durability of protonic ceramic fuel cells with BaZr0.8Yb0.2O3- electrolyte by introducing porous BaZr0.1Ce0.7Y0.1Yb0.1O3- buffer interlayer. Ceramics International. 2023
Hirofumi Sumi, Hiroyuki Shimada, Konosuke Watanabe, Yuki Yamaguchi, Katsuhiro Nomura, Yasunobu Mizutani, Ryuma Malik Matsuda, Masashi Mori, Keiji Yashiro, Takuto Araki, et al. Investigation of degradation mechanisms by overpotential evaluation for protonic ceramic fuel cells. Journal of Power Sources. 2023. 582. 233528-233528