Concentrated solar heat conversion to solar hydrogen using speciallycation-excess ferrite

2008 Fiscal Year Final Research Report

• Project/Area Number: 19206106
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Energy engineering
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: TAMAURA Yutaka Tokyo Institute of Technology, 炭素循環エネルギー研究センター, 教授 (00108185)
• Co-Investigator(Kenkyū-buntansha): ABE Masanori 東京工業大学, 大学院・理工学研究科, 教授 (70016624) ; KITAMOTO Masataka 東京工業大学, 大学院・総合理工学研究科, 准教授 (10272676) ; KANEKO Hiroshi 東京工業大学, 炭素循環エネルギー研究センター, 特任准教授 (90323774) ; HASEGAWA Noriko 東京工業大学, 炭素循環エネルギー研究センター, 助教 (30361801)
• Project Period (FY): 2007 – 2008
• Keywords: エネルギー生成 / 変換

Research Abstract

集光太陽ビームをセラミックスに照射し1300-1600℃に急速加熱すると、特殊な反応中間体を経由し、空気酸素分圧下で酸素放出反応が進行することを世界で初めて明らかにし、この反応で生成したセラミックス還元体が水を分解(水素生成過程)することを見出した(特開2008-094636)。これを用いるソーラー水素生産の実用化に向け、ロータリー式太陽反応炉およびビームダウン式集光システムの開発を行った。

Research Products

• [Journal Article] Cerium ion redox system in CeO_2-xFe2O_3 solid solution at high temperatures (1273-1673K) in the two-step water splitting reaction for solar H_2 generation (2008)
  • Author(s): H. kaneko, 他3名, N. Hasegawa, Y. Tamaura
  • Journal Title: J. Mater. Sci 43 Pages: 3153-3161
  • Peer Reviewed
• [Journal Article] Two-step water splitting process with solid solution of YSZ and Ni-ferrite for solar hydrogen production (2008)
  • Author(s): H. Ishihara, H. Kaneko, N. Hasegawa, Y. Tamaura
  • Journal Title: J. Solar Energy Eng 130 Pages: 044501/1- 044501/3
  • Peer Reviewed
• [Journal Article] Two-step water splitting process at 1273-1623K with YSZ-iron oxide solid solution via co-precipitation process and solid state reaction (2008)
  • Author(s): H. Ishihara, H. Kaneko, N. Hasegawa, Y. Tamaura
  • Journal Title: Energy 33 Pages: 1788-1793
  • Peer Reviewed
• [Journal Article] Effect of Fe doping on photoluminescence of yttria-stabilized zirconia (2007)
  • Author(s): H. Nakajima, 他4名, H. Kaneko, Y. Tamaura
  • Journal Title: J. Alloys Compd 411 Pages: 255-258
  • Peer Reviewed
• [Journal Article] Rotary-type Solar Reactor for Solar Hydrogen Production with Two-step Water Splitting Process (2007)
  • Author(s): H. Kaneko, 他6名, Y. Tamaura
  • Journal Title: Energy & Fuels 21 Pages: 2287-2293
  • Peer Reviewed
• [Journal Article] Ce-Zr 系酸化物を用いた二段階水分解反応によるソーラー水素生産( Two-step water splitting Reaction with Ce-Zr Oxide system for solar hydrogen production) (2007)
  • Author(s): S. Taku, H. Kaneko, Y. Tamaura
  • Journal Title: Eco-Engineering 19(4) Pages: 255-262
  • Peer Reviewed
• [Journal Article] Effects of Fe doping on crystalline and optical properties of yttria-stabilized zirconia (2007)
  • Author(s): H. Nakajima, K. Itoh, H. Kaneko, Y. Tamaura
  • Journal Title: J. Phys. Chem. Solids 68 Pages: 1946-1950
  • Peer Reviewed
• [Journal Article] Enhancement of reactivity of NiFe2O4 in two-step water splitting reaction using binary phase system of CeO_2-NiFe_2O_4
  • Author(s): Y. Naganuma, H. Kaneko, N. Hasegawa, Y. Tamaura
  • Journal Title: rans. Mater. Res. Soc. Japan (in press)
  • Peer Reviewed
• [Journal Article] Reactive ceramics of CeO_2-ZrO_2 for H_2-generation by two-step water splitting reaction using concentrated solar thermal energy
  • Author(s): S. Taku, H. Kaneko, N. Hasegawa, Y. Tamaura
  • Journal Title: Trans. Mater. Res. Soc. Japan (in press)
  • Peer Reviewed
• [Journal Article] Electric conductivity and reactivity of the CeO_2-ZrO_2 solid solution at high temperature for O2-releasing step
  • Author(s): C. Lee , 他5名, H. Kaneko, N. Hasegawa, Y. Tamaura
  • Journal Title: Trans. Mater. Res. Soc. Japan (in press)
  • Peer Reviewed
• [Journal Article] Reactivity and XAFS study on (1-x)CeO_2-xNiO (x = 0.025-0.3) system in the two-step water-splitting reaction for solar H_2 production
  • Author(s): H. Kaneko, Y. Tamaura
  • Journal Title: J. Phys. Chem. Solids (in press)
  • Peer Reviewed
• [Presentation] Simultaneous Production of H_2 and O_2 with Rotary-type Solar Reactor (Tokyo Tech Model) for Solar Hybrid Fuel (2008)
  • Author(s): Y. Tamaura, H. Kaneko, 他3名, N. Hasegawa
  • Organizer: Proceedings of ES2008, 2nd International Conference on Energy Sustainability
  • Place of Presentation: Jackonsville, Florida
  • Year and Date: 20080810-14
• [Book] 太陽エネルギー有効利用最前線(664頁), 総論太陽エネルギー利用の可能性と技術課題, 第2編ソーラー水素生産, 第3編太陽熱発電技術, 第5編太陽エネルギー利用の動向と普及のための取り組 (2006)
  • Author(s): 玉浦裕, 他61名
  • Total Pages: 664
  • Publisher: 株式会社エヌ・ティー・エス,
• [Remarks] 玉浦裕, 焦点探訪 UAEで太陽熱発電実証プラント 鏡で反射、場所の制約なし, 平成20 年9 月25 日, 日経産業新聞
• [Remarks] 玉浦裕, 太陽熱発電UAE に設置 平成20年1 月18 日(夕), 朝日新聞
• [Remarks] 玉浦裕, 地球異変「石油後」探る中東環境意識し投資の半面エネルギー消費は激増, 平成20年11月25日, 朝日新聞
• [Patent(Industrial Property Rights)] 反応性セラミックスおよびその製造方法、ならびに水素製造方法および水素製造装置 (2008)
  • Inventor(s): 多久俊平, 玉浦裕
  • Industrial Property Number: 特願2008-114899
  • Filing Date: 2008-07-01
• [Patent(Industrial Property Rights)] 水素製造方法、水素製造装置および金属酸化物 (2008)
  • Inventor(s): 玉浦裕, 金子宏
  • Patent Publication Number: 特開2008-094636
  • Acquisition Date: 2008-04-24