Improvement of chemical and mechanical durability for hybrid proton conductors by means of fine structural control and application for fuel cells

• Project/Area Number: 19360303
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Inorganic materials/Physical properties
• Research Institution: Musashi Institute of Technology
• Principal Investigator: NAGAI Masayuki Musashi Institute of Technology, 工学部, 教授 (80112481)
• Co-Investigator(Kenkyū-buntansha): MUNAKATA Fumio 武蔵工業大学, 工学部, 教授 (50386356)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000); Fiscal Year 2008: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000); Fiscal Year 2007: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
• Keywords: ハイブリッド材料 / プロトン伝導体 / 構造制御 / 燃料電池電解質 / シラン系材料 / 耐久性向上 / 耐熱性向上 / 膜電極接合体 / 固体高分子形燃料電池 / 無機-有機ハイブリッド / 新規電解質膜 / シラン系ポリマー / リン酸処理石膏 / 燃料電池特性 / 高プロトン伝導性 / 燃料電池 / 直接メタノール形 / 化学的・電気化学的耐久性 / 電流-電圧特性

Research Abstract

シラン系無機-有機複合高分子を母材として、プロトン伝導性の膜を作製した。試料は約0.2mmの厚みをもち、透明で均一な膜であった。プロトン伝導性を高めるために、物質中のメルカプト基を酸化することにより、スルホン基を生成させた。また、機械的な強度と化学的な強度を両立するために、シリコンと酸素が交互に結びついたシロキサン結合の歪みを小さくする条件を探索した。電気伝導度は室温~80℃の無加湿下においてフッ素樹脂系プロトン伝導体の加湿下と同程度の値を示し、作製した電解質膜は燃料電池の隔膜として優れた特性を示すことが分かった。

Research Products

• [Journal Article] Silicone based alkaline electrolyte membrane for fuel cells (2009)
  • Author(s): S.Suzuki and M.Nagai
  • Journal Title: Mat. Sci. Eng. B Vol161, No.1-3 Pages: 138-141
  • Peer Reviewed
• [Journal Article] Silicone based alkaline electrolyte membrane for fuel cell (2009)
  • Author(s): S. Suzuki, M. Nagai
  • Journal Title: Materials Science and Engineering B (印刷中)
  • Peer Reviewed
• [Journal Article] "Surfactant-free synthesis of anatase TiO2 naonorods in an aqueous peroxotitanatesolution (2008)
  • Author(s): Y-F.Gao, H.Luo, S.Mizusugi, M.Nagai
  • Journal Title: Crystal Growth Design Vol.8, No.6, Pages: 1804-1807
  • Peer Reviewed
• [Journal Article] "Electrophoretic deposition of Eu2+ doped Ca-α-SiAlON phosphor particles for packaging of flat peudo-white light emitting devices (2008)
  • Author(s): T.Kitabatake, T.Uchikoshi, F.Munakata, Y.Sakka,and N.Hirosaki
  • Journal Title: J. of Ceram. Soc.Jpn Vol.116, No.6 Pages: 740-743
  • Peer Reviewed
• [Journal Article] "Hydrothermal synthesis and evaluation of visible light active phtocatalyst of (N,F)-codoped anatase TiO2 from and F-containing titanium chemical (2008)
  • Author(s): T.Yamada, Y-F.Gao, and M.Nagai
  • Journal Title: J. Ceram. Soc. of Jpn Vol.116, No.5 Pages: 614-618
  • Peer Reviewed
• [Journal Article] "Study of the nanoscopic deformation of an annealed nafion film by using atomic force microscopy and a patterned substrate (2008)
  • Author(s): Y.Maeda, Y-F.Gao, M.Nagai, Y.Nakayama, T.Ichinose, R.Kuroda, and K.Umemura
  • Journal Title: Ultramicroscopy Vol.108 Pages: 529-535
  • Peer Reviewed
• [Journal Article] Direct Observation of Deformation of Nafion Surfaces Induced by Methanol Treatment by Using Atomic Force Microscopy (2008)
  • Author(s): K.Umemura, R.Kuroda, Y-F.Gao, M.Nagai, nad Y.Maeda
  • Journal Title: Applied Surface Science Vol.254 Pages: 7980-7984
  • Peer Reviewed
• [Journal Article] Study of the nanoscopic deformation of an annealed nafion film by using atomic force microscopy and a patterned substrate (2008)
  • Author(s): Y. Maeda, Y-F. Gao, M. Nagai, Y. Nakayama, T. Ichinose, R. Kuroda, K. Umemura
  • Journal Title: Ultramicroscopy 108 Pages: 529-535
  • Peer Reviewed
• [Journal Article] Direct observation of deformation of nafion surfaces induced by methanol treatment by using atomic force microscopy (2008)
  • Author(s): K. Umemura, R. Kuroda, Y-F. Gao, M. Nagai, Y. Maeda
  • Journal Title: Applied Surface Science 254 Pages: 7980-7984
  • Peer Reviewed
• [Journal Article] Study of the nanoscopic deformatioon of on an annealed nafiom film by using atomic force microscopy and a patterned substrate (2008)
  • Author(s): M.nagai(Y.Maeda)
  • Journal Title: Ultramicroscopy 109 Pages: 529-535
  • Peer Reviewed
• [Journal Article] Morphological and Crystallographic Transformation of ZnO in Solution (2008)
  • Author(s): M.Nagai(Y-F.Gao)
  • Journal Title: J. of Phys. Chem 112 Pages: 1498-1506
  • Peer Reviewed
• [Journal Article] Solution derived ZnO Nanowire Array Film as Photoelecrode in Dye-sensitized Solar Cells (2007)
  • Author(s): Y-F.Gao, M.Nagai, T-C.Chang, and J-J. Shyue
  • Journal Title: Cryt.Growth and Design Vol.7, No.12 Pages: 2467-2471
  • Peer Reviewed
• [Journal Article] "Preparation and Characterization of Platinum-ruthenium Bimetallic Nanoparticles Using Reverse Microemulsions for Fuel Cell Catalysts (2007)
  • Author(s): T.Kim, K.Kobayashi, and M.Nagai
  • Journal Title: J. of Oleo Science Vol.56, No.10 Pages: 553-562
  • NAID: 130000055528
  • Peer Reviewed
• [Journal Article] "Nano-characterization of a nafion thin film in air and in water by atomic force microscopy (2007)
  • Author(s): K.Umemura, T.Wang, M.Hara, R.Kuroda, O.Uchida, M.Nagai
  • Journal Title: J. of Physics, Conference Series Vol.90, No.3 Pages: 831-837
  • Peer Reviewed
• [Journal Article] Template-free Self-assembly of a Nonoporous TiO_2 Thin Film (2007)
  • Author(s): Y-F,Gao, M.Nagai, W-S.Seo, K.Koumoto
  • Journal Title: J. Am. Ceram. Soc. Vol.90, No.3 Pages: 831-837
  • Peer Reviewed
• [Journal Article] Preparation and Characterization of Platinum-ruthenium Bimetallic Namoparticles Using Reverse Microemulsions for Fuel Cell Catalyst (2007)
  • Author(s): M.Nagai(T-Y.Kim)
  • Journal Title: J.of Oleo Science 56 Pages: 553-562
  • Peer Reviewed
• [Journal Article] "Ion Exchanged Potassium Titanoniobate as Photocatalyst under Visible Light
  • Author(s): K.Inoue, S.Suzuki, and M.Nagai
  • Journal Title: J. of Electroceramics (in press) Pages: 0-0
  • Peer Reviewed
• [Presentation] 色素増感太陽電池を高効率化するためのTiO_2ナノロッドの作製 (2009)
  • Author(s): 水杉真也・永井正幸
  • Organizer: 日本セラミックス協会2009年年会
  • Place of Presentation: 千葉
• [Presentation] H_3OTi_2NbO_7を用いた可視光応答型光触媒の作製 (2009)
  • Author(s): 米山大介・永井正幸
  • Organizer: 日本セラミックス協会2009年年会
  • Place of Presentation: 千葉
• [Presentation] 層状タンタルチタン酸塩を用いた可視光応答型光触媒の作製 (2009)
  • Author(s): 塩澤優樹・永井正幸
  • Organizer: 日本セラミックス協会2009年年会
  • Place of Presentation: 千葉
• [Presentation] 酸化亜鉛ナノロッド/酸化マグネシウムコアシェル構造を用いた色素増感太陽電池の作製と評価 (2009)
  • Author(s): 野口裕祐・永井正幸
  • Organizer: 日本セラミックス協会2009年年会
  • Place of Presentation: 千葉
• [Presentation] Development of electrolyte and electrode for alkaline membrane fuel cell (2008)
  • Author(s): S. Suzuki, M. Nagai
  • Organizer: The 14^<th> International Conference on Solid State Protonic Conductors
  • Place of Presentation: Kyoto、JAPAN
  • Year and Date: 2008-09-09
• [Presentation] Sn(HPOO_4)_2・H_2Oを用いたSni-x in_xP_2O_7の作製 (2008)
  • Author(s): 居村 智宏(永井 正幸)
  • Organizer: 日本セラミックス協会2008年年会
  • Place of Presentation: 長岡技術科学大学
  • Year and Date: 2008-03-21
• [Presentation] Alkaline Electrolyte Membrane Based on Silane Derived Inorganic -Organic Composites (2008)
  • Author(s): S.Suzuki and M.Nagai
  • Organizer: The 25^<th> International Korea-Japan Seminar on Ceramics
  • Place of Presentation: Kangnung Korea
• [Presentation] Development of Electrolyte and Electrode for Alkaline Membrane Fuel Cell (2008)
  • Author(s): S.Suzuki and M.Nagai
  • Organizer: 14^<th> International Conference on Solid State Protonic Conductors
  • Place of Presentation: Kyoto
• [Presentation] Sn(HPO4)2・H2Oを用いたSn1-xInxP2O7の作製と評価 (2008)
  • Author(s): 居村智宏・鈴木智史・永井正幸
  • Organizer: 日本セラミックス協会第21回シンポジウム
  • Place of Presentation: 北九州
• [Presentation] 層状酸化物光触媒のCoドーピングによる可視光応答化 (2008)
  • Author(s): 下村彩・永井正幸
  • Organizer: 日本セラミックス協会第21回秋季シンポジウム
  • Place of Presentation: 北九州
• [Presentation] Silicon base alkaline electrolyte membrane for fuel cell (2008)
  • Author(s): S.Suzuki and M.Nagai
  • Organizer: Joint Conference on the Science and Technology for Advanced Ceramics and The 1^<st> International Conference on Science and Technology of Solid Surface and Interface
  • Place of Presentation: Chiba
• [Presentation] 層状構造を有する光触媒可視光応答型光触媒の作製 (2008)
  • Author(s): 下村彩・永井正幸
  • Organizer: 日本セラミックス協会2008年年会
  • Place of Presentation: 長岡
• [Presentation] ホール輸送層としてPEDOTを用いた全固体色素増感太陽電池 (2008)
  • Author(s): 坂本仁・新梅数馬・永井正幸
  • Organizer: 日本セラミックス協会2008年年会
  • Place of Presentation: 長岡
• [Presentation] 固体酸化物形燃料電池用YSZ電解質薄膜の作製と評価 (2007)
  • Author(s): 井坂 暢夫(永井 正幸)
  • Organizer: 第48回電池討論会
  • Place of Presentation: 福岡国際会議場
  • Year and Date: 2007-11-13
• [Presentation] 層状リン酸ジルコニウムを用いたイオン伝導膜 (2007)
  • Author(s): 鈴木 智史(永井 正幸)
  • Organizer: 日本セラミックス協会第20回秋季シンポジウム
  • Place of Presentation: 名古屋工業大学
  • Year and Date: 2007-09-12
• [Presentation] Sn(HPO_4)_2・H_2Oを用いたSn_<1-x>In_xP_2O_7
  • Author(s): 居村智宏・鈴木智史・永井正幸
  • Organizer: 日本セラミックス協会2008年年会