Design of high proton conducting oxide by defect control

• Project/Area Number: 25709072
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Metal making/Resorce production engineering
• Research Institution: University of Miyazaki (2014-2015); Kyushu University (2013)
• Principal Investigator: OKUYAMA Yuji 宮崎大学, テニュアトラック推進機構, 准教授 (80613281)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥22,490,000 (Direct Cost: ¥17,300,000、Indirect Cost: ¥5,190,000); Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000); Fiscal Year 2014: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000); Fiscal Year 2013: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
• Keywords: プロトン伝導体 / 燃料電池 / プロトン溶解 / 電気伝導度 / 異種元素置換

Outline of Final Research Achievements

In order to clarify the relation between the proton concentration and the local defect structure, the following item was investigated for the proton-conducting oxide.
(a)The cation size effect and the cation mixed effect on the proton concentration. (b)The sintering temperature effect on the local defect structure and the proton concentration. (c)Proton dissolution by reduction expansion of manganese ion. (d)Hydrogen potential profile and polarization properties of proton-conducting oxide.

Research Products

• [Journal Article] Proton-conducting oxide with redox protonation and its application to a hydrogen sensor with a self-standard electrode (2016)
  • 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
• [Journal Article] Improvement of Proton Ceramic Fuel Cells with Thin Film BCZY Electrolyte (2015)
  • 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
• [Journal Article] Atmosphere Dependence of Anode Reaction of Intermediate temperature Steam Electrolysis using Perovskite Type Proton Conductor (2015)
  • 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
• [Journal Article] Incorporation and conduction of proton in SrCe0.9-xZrxY0.1O3-δ (2015)
  • 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
• [Journal Article] Proton transport properties of La0.9Sr0.1Yb0.8In0.2O3-δ and its application to proton ceramic fuel cell (2014)
  • 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
• [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
• [Journal Article] Preparation of Nano-Structured La_0.6Sr_0.4Co_0.2Fe_0.8O_{3−δ} Cathode for Protonic Ceramic Fuel Cell by Bead-Milling Method (2014)
  • 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
  • Peer Reviewed
• [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
• [Journal Article] Preparation of nano-structured cathode for PCFC by bead-milling method (2013)
  • 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
• [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
• [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
• [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
• [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
• [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
• [Presentation] Improvement of Protonic Ceramic Fuel Cells with Thin Film BCZY Electrolyte (2015)
  • 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
• [Presentation] Improvement of Proton Ceramic Fuel Cells with Thin Film BCZY Electrolyte (2015)
  • 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
• [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
• [Presentation] Development of Hydrogen Sensor Using Proton conductor with Redox-Protonation (2015)
  • 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
• [Presentation] Protonation of Mn doped CaZrO3 and its application to hydrogen sensor (2015)
  • 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
• [Presentation] MnをドープしたCaZrO3 のプロトン溶解と電気化学特性 (2015)
  • 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
• [Presentation] La0.9Sr0.1Yb0.8In0.2O3-δの電流-電圧特性 (2014)
  • 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
• [Presentation] Incorporation of proton in SrZr0.9-xCexY0.1O3-δ (2014)
  • 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
• [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 (2014)
  • 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
• [Presentation] Proton Transport properties of La0.9Sr0.1Yb0.8In0.2O3-δ and its application to proton ceramics fuel cell (2014)
  • 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
• [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
• [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
• [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
• [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
• [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