Okuyama Yuji 奥山勇治

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OKUYAMA Yuji 奥山勇治

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Researcher Number	80613281
Other IDs	https://orcid.org/0000-0003-0891-1258
Affiliation (Current)	2024: 宮崎大学, 工学部, 教授
Affiliation (based on the past Project Information) *help	2021 – 2024: 宮崎大学, 工学部, 教授 2017 – 2018: 宮崎大学, 工学部, 准教授 2014 – 2016: 宮崎大学, テニュアトラック推進機構, 准教授 2014: 宮崎大学, 学内共同利用施設等, 准教授 2013: 九州大学, 稲盛フロンティア研究センター, 特任助教 2012 – 2013: 九州大学, 学内共同利用施設等, その他
Review Section/Research Field	Principal Investigator Metal making/Resorce production engineering Except Principal Investigator Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related / Physical properties of metals/Metal-base materials / Electronic materials/Electric materials
Keywords	Principal Investigator 電気伝導度 / 燃料電池 / プロトン伝導体 / 高圧水蒸気 / プロトン伝導 / 電気化学デバイス / センサ / 水蒸気電解 / プロトン / 異種元素置換 / プロトン溶解 … More Except Principal Investigator … More 赤外分光 / テラヘルツ分光 / 超高速分光 / プロトン伝導型固体電解質 / パルスESR法 / 構造欠陥 / プロトン伝導 / ジルコン酸バリウム / 固体電解質 / 酸化セリウム / 中赤外分光 / 機能性酸化物 / 格子欠陥 / セラミックス / 構造・機能材料 / 局所構造 / 電気化学 / 拡散 / 第一原理計算 / プロトントラップ / プロトン伝導性酸化物 / pn接合 / ナノ結晶粒子 / ミリング / Si / ペースト / 微結晶 / シリコン / 太陽電池 Less

Ultrafast spectroscopy of mixed electron-ion conductors for its application to fuel cells
- Principal Investigator
  
  永井正也
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
- Research Institution
  Osaka University
Determination of defect structure in proton-conductive ceramic-electrolyte materials by light-induced pulsed ESR
- Principal Investigator
  
  秋元郁子
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
- Research Institution
  Wakayama University
Proton dynamics of proton-conducting solid electrolytes revealed with ultrafast spectroscopy
- Principal Investigator
  
  永井正也
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
- Research Institution
  Osaka University
Development of electrochemical devise by control of inner potential into proton conducting-oxidePrincipal Investigator
- Principal Investigator
  
  OKUYAMA YUJI
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Metal making/Resorce production engineering
- Research Institution
  University of Miyazaki
Development of proton-conducting oxides based on proton trapping
- Principal Investigator
  
  Yamazaki Yoshihiro
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Physical properties of metals/Metal-base materials
- Research Institution
  Kyushu University
Design of high proton conducting oxide by defect controlPrincipal Investigator
- Principal Investigator
  
  OKUYAMA Yuji
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Metal making/Resorce production engineering
- Research Institution
  University of Miyazaki
  Kyushu University
A novel solar cell using Si nano-crystals
- Principal Investigator
  
  KATO Yoshimine
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Kyushu University

All 2021 2019 2018 2017 2016 2015 2014 2013 Other

All Journal Article Presentation Patent

[Journal Article] Evaluation of the Oxygen Migration Energy in Doped Ceria by Terahertz Spectroscopy2021
- Author(s)
  M. Nagai, Y. Furutani, H. Takehara, T. Morimoto, M. Ashida, Y. Okuyama, and Y. Kani,
- Journal Title
  
  Physical Review Applied
  
  Volume: 16 Issue: 6 Pages: 064069-064069
- DOI
  10.1103/physrevapplied.16.064069
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01015
[Journal Article] Experimental and theoretical approaches for the investigation of proton conductive characteristics of La1-Ba YbO3-δ2019
- Author(s)
  Obukuro Yuki、Okuyama Yuji、Sakai Go、Matsushima Shigenori
- Journal Title
  
  Journal of Alloys and Compounds
  
  Volume: 770 Pages: 294-300
- DOI
  10.1016/j.jallcom.2018.08.062
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06124
[Journal Article] Energy efficiency of ionic transport through proton conducting ceramics electrolytes for energy conversion applications2018
- Author(s)
  Takashi Nakamura, Shusuke Mizunuma, Yuta Kimura, Yuichi Mikami, Kousuke Yamauchi, Tomohiro Kuroha, Noboru Taniguchi, Yoichiro Tsuji, Yuji Okuyama, Koji Amezawa
- Journal Title
  
  Journal of Materials Chemistry A
  
  Volume: 6 Issue: 32 Pages: 15771-15780
- DOI
  10.1039/c8ta05373a
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06124
[Journal Article] Efficient intermediate-temperature steam electrolysis with Y:SrZrO3-SrCeO3 and Y:BaZrO3-BaCeO3 Proton Conducting perovskites2018
- Author(s)
  K. Leonard, Y. Okuyama, Y. Takamura, Y. Lee, K. Miyazaki, M. E. Ivanova, W. A. Meulenberg and H. Matsumto
- Journal Title
  
  Journal of Materials Chemistry A
  
  Volume: 6 Issue: 39 Pages: 19113-19124
- DOI
  10.1039/c8ta04019b
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06124
[Journal Article] Proton Conduction and Incorporation into La1−xBaxYb0.5In0.5O3−δ2018
- Author(s)
 Yuji Okuyama, Takuya Yamaguchi, Naoki Matsunaga, Go Sakai
- Journal Title
 
 MATERIALS TRANSACTIONS
 
 Volume: 59 Issue: 1 Pages: 14-18
- DOI
 10.2320/matertrans.MB201701
- NAID
 130006279156
- ISSN
 1345-9678, 1347-5320
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-16H06124
[Journal Article] A Direct Methane Fuel Cell with Double-Layered Electrolyte Using Proton Conducting Oxide2017
- Author(s)
  Okuyama Yuji、Kawano Shigemichi、Sakai Go、Matsunaga Naoki、Mizutani Yasunobu
- Journal Title
  
  ECS Transactions
  
  Volume: 78 Issue: 1 Pages: 1953-1961
- DOI
  10.1149/07801.1953ecst
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06124
[Journal Article] 固体電解質センサによるディーゼル排気ガス中の水素濃度測定2017
- Author(s)
  常吉孝治、高橋総子、岩井翔、奥山勇治
- Journal Title
  
  自動車技術会論文
  
  Volume: 48 Pages: 1171-1175
- NAID
  130006734334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06124
[Journal Article] Proton-conducting oxide with redox protonation and its application to a hydrogen sensor with a self-standard electrode2016
- Author(s)
  Yuji Okuyama, Shinya Nagamine, Akira Nakajima, Go Sakai, Naoki Matsunaga, Fusako Takahashi, Koji Kimata, Tomoko Oshima, and Koji Tsuneyoshi
- Journal Title
  
  RSC Advances
  
  Volume: 6 Issue: 40 Pages: 34019-34026
- DOI
  10.1039/c5ra23560j
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Atmosphere Dependence of Anode Reaction of Intermediate temperature Steam Electrolysis using Perovskite Type Proton Conductor2015
- Author(s)
  T. Sakai, K. Arakawa, M. Ogushi, T. Ishihara, H. Matsumoto, Y. Okuyama
- Journal Title
  
  Journal of Solid State Electrochemistry
  
  Volume: in press Issue: 6 Pages: 1793-1798
- DOI
  10.1007/s10008-015-2808-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Incorporation and conduction of proton in SrCe0.9-xZrxY0.1O3-δ2015
- Author(s)
  Y. Okuyama, K. Isa, Y. S. Lee, T. Sakai, and H. Matsumoto
- Journal Title
  
  Solid State Ionics
  
  Volume: 275 Pages: 35-38
- DOI
  10.1016/j.ssi.2015.01.010
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Improvement of Proton Ceramic Fuel Cells with Thin Film BCZY Electrolyte2015
- Author(s)
  Y. Okuyama, N. Ebihara, K. Okuyama, Y. Mizutani
- Journal Title
  
  ECS Transactions
  
  Volume: 68 Issue: 1 Pages: 2545-2553
- DOI
  10.1149/06801.2545ecst
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Incorporation and conduction of proton in Sr-doped LaMO3 (M=Al, Sc, In, Yb, Y)2014
- Author(s)
  Y. Okuyama, S. Ikeda, T. Kozai, M. Matsuka, T. Sakai and H. Matsumoto
- Journal Title
  
  Electrochimica Acta
  
  Volume: 125 Pages: 443-449
- DOI
  10.1016/j.electacta.2014.01.113
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Proton transport properties of La0.9Sr0.1Yb0.8In0.2O3-δ and its application to proton ceramic fuel cell2014
- Author(s)
  Y. Okuyama, K. Okuyama, Y. Mizutani, T. Sakai, Y. Lee, H. Matsumoto
- Journal Title
  
  International Journal of Hydrogen Energy
  
  Volume: 39 Issue: 35 Pages: 20829-20836
- DOI
  10.1016/j.ijhydene.2014.06.113
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Preparation of Nano-Structured La0.6Sr0.4Co0.2Fe0.8O3−δ Cathode for Protonic Ceramic Fuel Cell by Bead-Milling Method2014
- Author(s)
 H. Oda, Y. Okuyama, T. Sakai, H. Matsumoto
- Journal Title
 
 MATERIALS TRANSACTIONS
 
 Volume: 55 Issue: 4 Pages: 722-727
- DOI
 10.2320/matertrans.M2013426
- NAID
 130004825172
- ISSN
 1345-9678, 1347-5320
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-25709072
[Journal Article] Incorporation of a proton into La0.9Sr0.1(Yb1-xMx)O3-δ (M= Y, In)2013
- Author(s)
  Y. Okuyama, S. Ikeda, T. Sakai and H. Matsumoto
- Journal Title
  
  Solid State Ionics
  
  Volume: in press Pages: 865-869
- DOI
  10.1016/j.ssi.2013.11.044
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25709072
[Journal Article] Preparation of nano-structured cathode for PCFC by bead-milling method2013
- Author(s)
  H. Oda, T. Sakai, Y. Okuyama, H. Matsumoto
- Journal Title
  
  Solid State Ionics
  
  Volume: in press Pages: 388-391
- DOI
  10.1016/j.ssi.2013.12.020
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25709072
[Patent] プロトン伝導性固体電解質およびプロトン燃料電池2018
- Inventor(s)
  奥山勇治，水谷安伸
- Industrial Property Rights Holder
  奥山勇治，水谷安伸
- Industrial Property Rights Type
  特許
- Filing Date
  2018
- Data Source
  KAKENHI-PROJECT-16H06124
[Patent] 水素濃度の検出方法及び水素センサ2017
- Inventor(s)
  奥山勇治、常吉孝治、高橋聡子、岩井翔
- Industrial Property Rights Holder
  奥山勇治、常吉孝治、高橋聡子、岩井翔
- Industrial Property Rights Type
  特許
- Filing Date
  2017
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] 蛍石構造を持つ酸素伝導型固体電解質のテラヘルツ分光2021
- Author(s)
  永井正也, 古谷祐人, 竹原輝, 森本智英, 芦田昌明, 奥山勇治, 可児幸宗
- Organizer
  第47回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-21H01015
[Presentation] 光励起発光測定によるBaZr1-xYxO3-δの酸素欠損周辺の構造評価2021
- Author(s)
  竹原輝, 永井正也, 芦田昌明, 奥山勇治, 可児幸宗
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21H01015
[Presentation] 酸素伝導型固体電解質　酸化セリウムのテラヘルツ分光2021
- Author(s)
  古谷祐人, 永井正也, 竹原輝, 森本智英, 芦田昌明, 奥山勇治, 可児幸宗
- Organizer
  第31回　光物性研究会
- Data Source
  KAKENHI-PROJECT-21H01015
[Presentation] CeO2のテラヘルツ時間領域分光2021
- Author(s)
  古谷祐人, 永井正也, 竹原輝, 森本智英, 芦田昌明, 奥山勇治, 可児幸宗
- Organizer
  日本物理学会2021年秋季大会
- Data Source
  KAKENHI-PROJECT-21H01015
[Presentation] 光励起発光測定によるジルコン酸バリウムの酸素欠損周辺の欠陥評価2021
- Author(s)
  竹原輝, 永井正也, 芦田昌明, 奥山勇治, 可児幸宗
- Organizer
  第47回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-21H01015
[Presentation] プロトン伝導体を用いたメタン燃料電池特性と電解質二層化によるメタン耐性の向上2019
- Author(s)
  奥山勇治，河野樹道，赤羽涼，長友都史, 松永直樹、酒井剛、小椋裕介, 水谷安伸
- Organizer
  電気化学会第86回大会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Mnを添加したCaZrO3を用いた水素センサの貴金属電極の検討2018
- Author(s)
  奥山勇治、有川雄輝、酒井剛、松永直樹、岩井翔、常吉孝治
- Organizer
  第14回固体イオニクスセミナー
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Proton transport properties of acceptor-doped barium zirconate containing NiO2018
- Author(s)
  Yuji Okuyama, Yoshiki Niina, Mizuki Shudo, Go Sakai, Naoki Matsunaga, Kosuke Yamauchi, Mikami Yuichi, and Tomohiro Kuroha
- Organizer
  19th Solid State Proton conductor
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] NiOを含んだジルコン酸バリウムのプロトン・正孔部分伝導度と燃料電池効率2018
- Author(s)
  奥山勇治、新名美城、首藤美月、酒井剛、松永直樹、山内孝祐、見神祐一、黒羽智宏
- Organizer
  第44回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Effect of dopant on reactivity between doped-BaZrO3 and NiO2017
- Author(s)
  Yuichi Mikami*, Tomohiro Kuroha, Takehito Goto, Kosuke Yamauchi, Tomoya Kamata, Kaori Takeuchi1, Noboru Taniguchi, Yoichiro Tsuji, and Yuji Okuyama
- Organizer
  21th international conference on Solid State Ionics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Evaluation of the electronic and local structure of proton-conducting oxide, (CaZr1-x,Mnx)O3-d, to elucidate a novel protonation mechanism2017
- Author(s)
  Masatsugu Oishi, Takuya Doi, Takashi Yamamoto, Takashi Nakamura, and　Yuji Okuyama
- Organizer
  第43回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Ln0.9Sr0.1InO3-δ(Ln = La, Nd, Sm, Gd)におけるプロトン・デューテロン同位体効果、2017
- Author(s)
  加藤省吾、松永直樹、酒井剛、奥山勇治
- Organizer
  電気化学会秋季大会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Proton transport and polarization properties of La-based perovskite oxide2017
- Author(s)
  Yuji Okuyama
- Organizer
  10th Petite Workshop, International workshop on defect chemistry for advanced energy and functional materials
- Place of Presentation
  Seoul National University(Korea)
- Year and Date
  2017-03-08
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Effect of adding Ni on defect structure and proton transport properties of indium doped barium zirconate2017
- Author(s)
  Yuji Okuyama, Yoshiki Niina, Mizuki Shudo, Go Sakai, Naoki Matsunaga, Kosuke Yamauchi, Mikami Yuichi, and Tomohiro Kuroha
- Organizer
  21th international conference on Solid State Ionics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Ln0.9Sr0.1InO3-δ(Ln = La, Nd, Sm, Gd)のプロトン電導度へのカチオンサイズ効果2017
- Author(s)
  加藤省吾、松永直樹、酒井剛、奥山勇治
- Organizer
  第54回化学関連支部合同九州大会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] 固体電解質センサによるディーゼル排気ガス中の水素濃度測定2017
- Author(s)
  常吉孝治、高橋総子、岩井翔、奥山勇治
- Organizer
  自動車技術会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] 2層構造を伴ったプロトン伝導性固体電解質のメタン燃料電池出力と耐性2017
- Author(s)
  奥山勇治、河野樹道、赤羽涼、、松永直樹、酒井剛、水谷安伸
- Organizer
  第43回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] A Direct Methane Fuel Cell with Double-Layered Electrolyte using Proton Conducting Oxide2017
- Author(s)
  Yuji Okuyama, Shigemichi Kawano, Go Sakai, Naoki Matsunaga, Yasunobu Mizutani
- Organizer
  SOFC15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] プロトン伝導性酸化物の欠陥構造と電気化学デバイスへの応用2017
- Author(s)
  奥山勇治
- Organizer
  電気化学会第84回大会
- Place of Presentation
  首都大東京(東京都・八王子市)
- Year and Date
  2017-03-25
- Invited
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] YをドープしたBaZrO3のプロトン輸率と分極時のポテンシャル分布解析2016
- Author(s)
  奥山勇治, 酒井孝明, 山崎仁丈
- Organizer
  日本金属学会2016年春期(第158回)大会
- Place of Presentation
  東京理科大学
- Year and Date
  2016-03-23
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] Fuel cell performance and potential profile of lanthanum ytterbium based perovskite oxide2016
- Author(s)
  Yuji Okuyama, Reo Fujimura, Kenji Okuyama, Yasunobu Mizutani, Naoki Matsunaga, Go Sakai
- Organizer
  Solid State Proton Conductor 18
- Place of Presentation
  Soria Moria conference center(Norway, Oslo)
- Year and Date
  2016-09-18
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] “First principles calculations of defect clustering in acceptor-doped BaZrO3”2016
- Author(s)
  A. Kuwabara, CAJ. Fisher, Y. Okuyama, Y. Yamazaki
- Organizer
  Nonstoichiometric Compounds VI
- Place of Presentation
  Santa Fe, USA
- Year and Date
  2016-09-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] “Hydrogen Bond: a Parameter Defining Proton-Dopant Association Energy and Proton Diffusivity in Doped Barium Zirconates”2016
- Author(s)
  Yoshihiro Yamazaki, Akihide Kuwabara, Yuji Okuyama, Craig A.J.Fisher, Sossina M. Haile
- Organizer
  The 18th international conference on solid state protonic conductors (SSPC-18)
- Place of Presentation
  Oslo, Norway
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] YをドープしたBaZrO3のプロトン輸率と分極時のポテンシャル分布解析2016
- Author(s)
  奥山勇治、酒井孝明、山崎仁丈
- Organizer
  日本金属学会2016年春期講演大会
- Place of Presentation
  東京理科大学（東京都・葛飾区）
- Year and Date
  2016-03-23
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] La0.9Sr0.1Yb0.8In0.2O3-δを電解質とした水素燃料電池と電極過電圧2016
- Author(s)
  河野樹道、藤村玲央、奥山賢治、水谷安伸、酒井剛、松永直樹、奥山勇治
- Organizer
  第12回固体イオニクスセミナー
- Place of Presentation
  休暇村指宿（鹿児島・指宿）
- Year and Date
  2016-09-27
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Performance of Protonic Ceramic Fuel Cells using lanthanum ytterbium based perovskite oxide as electrolyte2016
- Author(s)
  Yuji Okuyama, Reo Fujimura, Kenji Okuyama, Yasunobu Mizutani, Naoki Matsuna, Go Sakai
- Organizer
  9th Pacific Rim International Conference on Advanced Materials and Processing (PRICIM9)
- Place of Presentation
  京都国際会館(京都府・京都市)
- Year and Date
  2016-08-01
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] プロトン導電性酸化物の基礎物性と環境デバイスへの応用2016
- Author(s)
  奥山勇治
- Organizer
  SOFC研究会
- Place of Presentation
  笹川記念会館(東京・港区)
- Invited
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] BaCe0.6Zr0.2Y0.2O3-δを電解質とした燃料電池におけるホール伝導が与える性能への影響2016
- Author(s)
  蛯原紀明、松永直樹、酒井剛、奥山勇治
- Organizer
  第53回化学関連支部合同九州大会
- Place of Presentation
  北九州国際会議場(福岡・北九州市)
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] Proton transport properties of Mn doped CaZrO3 and its application to hydrogen sensor2016
- Author(s)
  Yuji Okuyama, Shinya Nagamine, Muneyuki Shibuya, Yuki Arikawa, Akira Nakajima, Naoki Matsunag, Go Sakai, Tomoko Oshima, Fusako Takahashi, Koji Tsuneyoshi
- Organizer
  The Solid State Electrochemistry Workshop 2016
- Place of Presentation
  東京大学生産技術研究所(東京都・目黒区)
- Year and Date
  2016-10-12
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] BaCe0.6Zr0.2Y0.2O3-δの燃料電池特性とNi固溶に伴う性能低下2016
- Author(s)
  蛯原紀明、奥山賢治、水谷安伸、酒井剛、松永直樹、奥山勇治
- Organizer
  第12回固体イオニクスセミナー
- Place of Presentation
  休暇村指宿（鹿児島・指宿）
- Year and Date
  2016-09-27
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] BaCe0.6Zr0.2Y0.2O3-δの部分伝導度と分極特性2016
- Author(s)
  蛯原紀明、松永直樹、酒井剛、奥山勇治
- Organizer
  資源素材学会九州支部2016年若手研究者及び学生による研究発表会
- Place of Presentation
  九州大学(福岡・福岡市)
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] アルカリ土類ジルコネート中のMn価数とプロトン溶解2016
- Author(s)
  奥山勇治、有川雄輝、中島暉、酒井剛、松永直樹
- Organizer
  第12回固体イオニクスセミナー
- Place of Presentation
  休暇村指宿（鹿児島・指宿）
- Year and Date
  2016-09-27
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] BaCe0.6Zr0.2Y0.2O3-δを電解質とした燃料電池特性とNi固溶に伴う出力低下2016
- Author(s)
  蛯原紀明、奥山賢治、水谷安伸、酒井剛、松永直樹、奥山勇治
- Organizer
  第42回固体イオニクス討論会
- Place of Presentation
  名古屋国際会議場(愛知・名古屋市)
- Year and Date
  2016-12-05
- Data Source
  KAKENHI-PROJECT-16H06124
[Presentation] La系ペロブスカイト型酸化物のプロトン伝導特性と燃料電池への応用2015
- Author(s)
  奥山勇治
- Organizer
  日本セラミックス協会2015秋季シンポジウム
- Place of Presentation
  富山大学（富山県富山市）
- Year and Date
  2015-09-18
- Invited
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] プロトン伝導性酸化物の欠陥構造とその機能性2015
- Author(s)
  奥山勇治
- Organizer
  トークシャワー・イン九州2015
- Place of Presentation
  休暇村志賀島（福岡県・福岡市）
- Year and Date
  2015-09-05
- Invited
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] BaCe0.8-xZrxY0.2O3-δを電解質とした燃料電池の性能と電極過電圧特性2015
- Author(s)
  蛯原紀明、松永直樹、酒井剛、奥山勇治
- Organizer
  第52回化学関連支部合同九州大会
- Place of Presentation
  北九州国際会議場（福岡県・北九州市）
- Year and Date
  2015-06-27
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] ランタノイド置換ジルコン酸バリウムにおける会合エネルギーの決定：電気化学，熱重量測定および第一原理計算2015
- Author(s)
  奥山勇治, 山本健太郎, 桑原彰秀, 山崎仁丈
- Organizer
  2015年第157回秋期講演大会
- Place of Presentation
  九州大学伊都キャンパス
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] Protonation of Mn doped CaZrO3 and its application to hydrogen sensor2015
- Author(s)
  Y. Okuyama, S. Nagamine, A. Nakashima, F. Takahashi, K. Kimata, T. Oshima, G. Sakai, N. Matsunaga
- Organizer
  20th International Conference on Solid State Ionics
- Place of Presentation
  Colorado(USA)
- Year and Date
  2015-06-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] CaZrO3 中へのMn還元に伴うプロトン溶解と電気化学特性2015
- Author(s)
  奥山勇治,永峰慎也,渋谷棟文,中島暉, 酒井剛,松永直樹,高橋総子,木股幸司,大島智子
- Organizer
  第41回固体イオニクス討論会
- Place of Presentation
  北海道大学（北海道・札幌市）
- Year and Date
  2015-11-25
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] プロトン伝導性酸化物の欠陥構造とデバイスへの応用2015
- Author(s)
  奥山勇治
- Organizer
  第１１固体イオニクスセミナー
- Place of Presentation
  熱川ハイツ（静岡県・賀茂郡東伊豆町）
- Year and Date
  2015-08-30
- Invited
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] 水素結合で規定されるプロトン拡散：電気化学実験および第一原理計算2015
- Author(s)
  山崎仁丈, 桑原彰秀, 奥山勇治, 山本健太郎, Craing Fisher, Sossina M.Haile
- Organizer
  第41回固体イオニクス討論会
- Place of Presentation
  北海道大学
- Year and Date
  2015-11-25
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] Proton trapping: a key to control proton transport in oxides2015
- Author(s)
  Y. Yamazaki*, Y. Okuyama, J. Potticarry, K. Yamamoto, S.M. Haile
- Organizer
  The 20th International Conference on Solid State Ionics (SSI-20)
- Place of Presentation
  Keystone, USA
- Year and Date
  2015-06-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02287
[Presentation] Improvement of Proton Ceramic Fuel Cells with Thin Film BCZY Electrolyte2015
- Author(s)
  Y. Okuyama, N. Ebihara, K. Okuyama, Y. Mizutani
- Organizer
  ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV
- Place of Presentation
  Glasgow(Scotland)
- Year and Date
  2015-07-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] Si ミリング中の雰囲気制御による電気伝導性の向上2014
- Author(s)
  折田昂優, 原田駿上岡貞登、松本　広重、加藤　喜峰、奥山　勇治
- Organizer
  平成26年度　応用物理学会九州支部学術講演会
- Place of Presentation
  大分大
- Year and Date
  2014-12-06
- Data Source
  KAKENHI-PROJECT-24656210
[Presentation] Proton Transport properties of La0.9Sr0.1Yb0.8In0.2O3-δ and its application to proton ceramics fuel cell2014
- Author(s)
  Y. Okuyama, K. Okuyama, Y. Mizutani, T. Sakai, Lee Young Sung and H. Matsumoto
- Organizer
  International Conference on Hydrogen Production 2014
- Place of Presentation
  Fukuoka
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] ABO3ペロブスカイト型酸化物におけるプロトン溶解のBサイト混合効果2013
- Author(s)
  奥山勇治
- Organizer
  第9回固体イオニクスセミナー
- Place of Presentation
  岐阜
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] 微結晶Siペーストのアニールによる結晶性回復とその評価2013
- Author(s)
  井ノ口　裕士、原田　駿、奥山　勇治、松本　広重、田中　悟、加藤　喜峰
- Organizer
  応用物理学会九州支部学術講演会
- Place of Presentation
  長崎大
- Year and Date
  2013-11-30
- Data Source
  KAKENHI-PROJECT-24656210
[Presentation] Incorporation of proton into La0.9Sr0.1(MxM’1-x)O3-δ(M,M’=Yb, Y, In)2013
- Author(s)
  Y. Okuyama, S. Ikeda, T. Sakai, and H. Matsumoto
- Organizer
  The 19th International conference on Solid State Ionics
- Place of Presentation
  Kyoto
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] La0.9Sr0.1Yb0.8In0.2O3-δの電気伝導度とPCFCへの応用2013
- Author(s)
  奥山勇治、酒井孝明、奥山賢治、水谷安伸、松本広重
- Organizer
  第153回金属学会秋期大会
- Place of Presentation
  金沢
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] La1-xBaxYbO3-δにおける水素溶解の組成依存性2013
- Author(s)
  奥山勇治、酒井孝明、松本広重
- Organizer
  第9回固体イオニクスセミナー
- Place of Presentation
  岐阜
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] 酸化物プロトン伝導体のプロトン溶解量に対するカチオン混合効果2013
- Author(s)
  奥山勇治、米田武寛、伊佐佳織、酒井孝明、松本広重
- Organizer
  第39回固体イオニクス討論会
- Place of Presentation
  熊本
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] La0.9Sr0.1Yb0.8In0.2O3-δの電流-電圧特性
- Author(s)
  奥山勇治、奥山賢治、水谷安伸、酒井孝明、松本広重
- Organizer
  第40回固体イオニクス討論会
- Place of Presentation
  東工大
- Year and Date
  2014-11-16 – 2014-11-18
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] Development of Hydrogen Sensor Using Proton conductor with Redox-Protonation
- Author(s)
  Y.Okuyama, S. Nagamine, A. Nakajima, F. Takahashi K. Kimata, T. Oshima, G. Sakai, N. Matsunaga
- Organizer
  20th International Conference on Solid State Ionics
- Place of Presentation
  Kestone, Colorado
- Year and Date
  2015-06-14 – 2015-06-19
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] La0.9Sr0.1Yb0.8In0.2O3-δプロトン伝導体の水素ポテンシャル分布と燃料電池特性
- Author(s)
  奥山勇治、奥山賢治、水谷安伸、酒井孝明、松本広重
- Organizer
  日本セラミックス協会第27回秋期シンポジウム
- Place of Presentation
  鹿児島大学
- Year and Date
  2014-09-09 – 2014-09-11
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] MnをドープしたCaZrO3 のプロトン溶解と電気化学特性
- Author(s)
  奥山勇治,永峰慎也,中島暉,高橋総子,木股幸司,大島智子,酒井剛,松永直樹
- Organizer
  電気化学会第82回大会
- Place of Presentation
  横浜国立大学
- Year and Date
  2015-03-15 – 2015-03-17
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] Improvement of Protonic Ceramic Fuel Cells with Thin Film BCZY Electrolyte
- Author(s)
  Y. Okuyama, N. Ebihara, K.Okuyama, Y.Mizutani
- Organizer
  SOFC-XIV
- Place of Presentation
  Glasgow, Scotland
- Year and Date
  2015-07-26 – 2015-07-31
- Data Source
  KAKENHI-PROJECT-25709072
[Presentation] Incorporation of proton in SrZr0.9-xCexY0.1O3-δ
- Author(s)
  Y. Okuyama, K. Isa, Y. Lee, T. Sakai, H. Matsumoto
- Organizer
  Solid State Protonic Conductors　17
- Place of Presentation
  Seoul, Korea
- Year and Date
  2014-09-14 – 2014-09-19
- Data Source
  KAKENHI-PROJECT-25709072

1. 永井正也 (30343239)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
2. KATO Yoshimine (60380573)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. Yamazaki Yoshihiro (30292246)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
4. 桑原彰秀 (30378799)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
5. 秋元郁子 (00314055)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 松岡秀人 (90414002)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Okuyama Yuji 奥山 勇治

OKUYAMA Yuji 奥山 勇治

Research Projects

Research Products

Co-Researchers

Ultrafast spectroscopy of mixed electron-ion conductors for its application to fuel cells

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Determination of defect structure in proton-conductive ceramic-electrolyte materials by light-induced pulsed ESR

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Proton dynamics of proton-conducting solid electrolytes revealed with ultrafast spectroscopy

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Development of electrochemical devise by control of inner potential into proton conducting-oxidePrincipal Investigator

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Development of proton-conducting oxides based on proton trapping

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Design of high proton conducting oxide by defect controlPrincipal Investigator

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A novel solar cell using Si nano-crystals

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[Journal Article] Evaluation of the Oxygen Migration Energy in Doped Ceria by Terahertz Spectroscopy2021

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[Journal Article] Experimental and theoretical approaches for the investigation of proton conductive characteristics of La1-Ba YbO3-δ2019

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[Journal Article] Energy efficiency of ionic transport through proton conducting ceramics electrolytes for energy conversion applications2018

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[Journal Article] Efficient intermediate-temperature steam electrolysis with Y:SrZrO3-SrCeO3 and Y:BaZrO3-BaCeO3 Proton Conducting perovskites2018

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[Journal Article] Proton Conduction and Incorporation into La<sub>1−</sub><i><sub>x</sub></i>Ba<i><sub>x</sub></i>Yb<sub>0.5</sub>In<sub>0.5</sub>O<sub>3−δ</sub>2018

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[Journal Article] A Direct Methane Fuel Cell with Double-Layered Electrolyte Using Proton Conducting Oxide2017

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Okuyama Yuji 奥山勇治

OKUYAMA Yuji 奥山勇治

[Journal Article] Preparation of Nano-Structured La<sub>0.6</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3−δ</sub> Cathode for Protonic Ceramic Fuel Cell by Bead-Milling Method2014