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Electrochemical stabilization of platinum metal nanoparticles by the conductive polymer matrix

Research Project

Project/Area Number 19550195
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Inorganic industrial materials
Research InstitutionKobe University

Principal Investigator

MIZUHATA Minoru  Kobe University, 大学院・工学研究科, 准教授 (10283871)

Co-Investigator(Kenkyū-buntansha) DEKI Shigehito  神戸大学, 大学院・工学研究科, 教授 (10101065)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Keywords電気化学 / 白金ポリピロール / 燃料電池触媒 / 白金ナノ粒子 / 室温高分子形燃料電池 / ナフィオン
Research Abstract

本研究ではPEFCカソードにおけるPt/PPy on Cの耐久性の評価を目的とし, 膜-電極接合体(MEA)にPt/PPy on Cを用い, Pt on C系での結果と比較を行った. 初期においては、Pt, Pt/PPyいずれも電極の活性が認められたが、1000回掃引において活性の低下が認められ、10000回後にはPtのみ担持した場合殆どPtによる活性は認められなくなっていた。一方、Pt/PPyの場合は白金/ポリピロールコンポジットにおける電極活性は保持されていることが明らかとなった。次にPtの溶出状態について検討するため, カソード側MEA界面における断面TEM観察を行った. これより, Pt/PPy on CはPt on Cに比較しNafion膜中に溶出・再析出したPtは殆ど観察されなかった.Pt/PPy on C はPt on Cに比較しPtの凝集が抑制されていることが確認された.以上の結果より, 実際の発電条件においてもPt/PPy on CはPtのNafion膜中への溶出防止が可能であり, さらにPt微粒子の凝集抑制効果を有することが明らかとなった.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (22 results)

All 2009 2008 2007 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (17 results) Remarks (2 results)

  • [Journal Article] Preparation of Pt/Electro-conductive polymer loaded carbon composite for improvement of electrode durability for fuel cells2008

    • Author(s)
      Minoru MizuhataMizuhata, Masako Oga, Shigehito Deki
    • Journal Title

      ECS Transactions 6 (25)

      Pages: 75-83

    • NAID

      120006629936

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Preparation of Pt/Electro-conductive polymer loaded carbon composite for improvement of electrode durability for fuel cells2008

    • Author(s)
      Minoru Mizuhata
    • Journal Title

      ECS Transactions 6 (25)

      Pages: 75-83

    • NAID

      120006629936

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Preparation of Pt/Electro-conductive polymer loaded carbon composite for improvement of electrode durability for fuel cells2008

    • Author(s)
      Minoru Mizuhata
    • Journal Title

      ECS Transactions (印刷中)

    • NAID

      120006629936

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Pt/PPy担持カーボンの膜電極接合体(MEA)への適用2009

    • Author(s)
      水畑穣
    • Organizer
      電気化学会第76回大会
    • Place of Presentation
      京都
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 白金/導電性高分子コンポジット系ガス拡散電極による白金触媒の耐久性向上2009

    • Author(s)
      水畑穣
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      千葉
    • Year and Date
      2009-03-26
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Design of catalytic layer of PEFC and the effect on inhibition of catalyst particle dispersion into polymer electrolyte membrane2009

    • Author(s)
      Minoru Mizuhata
    • Organizer
      First International Conference on Multifunctional, Hybrid and Nanomaterials (HYBRID MATERIALS 2009)
    • Place of Presentation
      Tours
    • Year and Date
      2009-03-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 燃料電池と材料化学2009

    • Author(s)
      出来成人
    • Organizer
      化学工学会水素・燃料電池システム研究会平成20年度第2回定例会
    • Place of Presentation
      神戸
    • Year and Date
      2009-01-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] "燃料電池と材料化学", 化学工学会 水素・燃料電池システム研究会2009

    • Author(s)
      出来成人
    • Organizer
      平成20年度第2回定例会
    • Place of Presentation
      神戸
    • Year and Date
      2009-01-09
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリアニリン/白金担持カーボンコンポジットの劣化特性評価2008

    • Author(s)
      宮地良和
    • Organizer
      2008年第3回関西電気化学研究会
    • Place of Presentation
      京都
    • Year and Date
      2008-12-13
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Fabrication and Electrochemical Properties of Pt/PPy on Carbon Composite for Gas Diffusion Electrode2008

    • Author(s)
      Shigehito Deki
    • Organizer
      The 59th Annual Meeting of the International Society of Electrochemistry
    • Place of Presentation
      Seville
    • Year and Date
      2008-09-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Fabrication and Electrochemical Properties of Pt/PPy on Carbon Composite for Gas Diffusion Electrode2008

    • Author(s)
      Deki, Shigehito
    • Organizer
      The 59th Annual Meeting of the International Society of Electrochemistry
    • Place of Presentation
      Seville, スペイン
    • Year and Date
      2008-09-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] 燃料電池電極の耐久性向上を目的とした白金/導電性高分子コンポジットの調製"2008

    • Author(s)
      水畑穣
    • Organizer
      日本化学会第88春季年
    • Place of Presentation
      東京
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 燃料電池電極の耐久性向上を目的とした白金/導電性高分子コンポジットの調製2008

    • Author(s)
      水畑 穣
    • Organizer
      日本化学会第88春季年会
    • Place of Presentation
      東京
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] 導電性高分子層による白金触媒溶出抑制効果-2008

    • Author(s)
      出来成人
    • Organizer
      FCH基盤技術懇談会第40回定例懇談会
    • Place of Presentation
      大阪
    • Year and Date
      2008-03-10
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] ナノ空間を反応場とする材料合成とXPSを用いる分析方法-PEFCの触媒設計条件を中心に-2007

    • Author(s)
      水畑穣
    • Organizer
      2007JEOL-EPMA・表面分析ユーザーズミーティング
    • Place of Presentation
      吹田
    • Year and Date
      2007-10-12
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Novel Fabrication Process of Polymer/ Metal Nanoparticle Composite for Electrode Materials2007

    • Author(s)
      Shigehito Deki
    • Organizer
      3rd International Workshop on Polymer/Metal Nanocomposites (Nanoworkshop 2007 in Kobe)
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-05
    • Related Report
      2008 Final Research Report
  • [Presentation] Novel Fabrication Process of Polymer/ Metal Nanoparticle Composite for Electrode Materials2007

    • Author(s)
      Shgehito Deki
    • Organizer
      3rd International Workshop on Polymer/Metal Nanocomposites(Nanoworkshop 2007 in Kobe)
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] Syntesis of Pt/Ppy on Carbon Composite and Electrochemical Properites for PEFC2007

    • Author(s)
      Masako Oga
    • Organizer
      3rd International Workshop on Polymer/Metal Nanocomposites(Nano-workshop 2007 in Kobe)
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-04
    • Related Report
      2008 Final Research Report
  • [Presentation] Syntesis of Pt/Ppy on Carbon Composite and Electrochemical Properites for PEFC2007

    • Author(s)
      Masako Oga
    • Organizer
      3rd International Workshop on Polymer/Metal Nanocomposites(Nanoworkshop 2007 in Kobe)
    • Place of Presentation
      神戸
    • Year and Date
      2007-10-04
    • Related Report
      2007 Annual Research Report
  • [Presentation] Preparation of Pt/Electroconductive Polymer Loaded Carbon Composite for Improvement of Electrode Durability for PEFCs2007

    • Author(s)
      Minoru Mizuhata
    • Organizer
      211th Meeting of The Electrochemical Society
    • Place of Presentation
      シカゴ
    • Year and Date
      2007-05-07
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Remarks]

    • URL

      http://cx2.scitec.kobe-u.ac.jp/index_j.html

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://cx2.scitec.kobe-u.ac.jp/index_j.html

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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