JP2005520002A5 - - Google Patents

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Publication number
JP2005520002A5
JP2005520002A5 JP2003526982A JP2003526982A JP2005520002A5 JP 2005520002 A5 JP2005520002 A5 JP 2005520002A5 JP 2003526982 A JP2003526982 A JP 2003526982A JP 2003526982 A JP2003526982 A JP 2003526982A JP 2005520002 A5 JP2005520002 A5 JP 2005520002A5
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JP
Japan
Prior art keywords
diaphragm
composite diaphragm
less
composite
ion exchange
Prior art date
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Application number
JP2003526982A
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English (en)
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JP4975951B2 (ja
JP2005520002A (ja
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Publication date
Priority claimed from US09/950,839 external-priority patent/US6613203B1/en
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Publication of JP2005520002A publication Critical patent/JP2005520002A/ja
Publication of JP2005520002A5 publication Critical patent/JP2005520002A5/ja
Application granted granted Critical
Publication of JP4975951B2 publication Critical patent/JP4975951B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (18)

  1. (a)フィブリルによって相互に結合されたノードから本質的になるとともに、前記ノードが、実質的に平行に整列されており、高度に伸長されておりかつ25:1もしくはそれ以上のアスペクト比を有している、内部微細構造を有する延伸膨脹ポリテトラフルオロエチレン隔膜、及び
    (b)前記隔膜にその全体を通じて含浸されたイオン交換材料であって、含浸後の延伸膨脹ポリテトラフルオロエチレン隔膜が、10,000秒よりも大きなガーレイ(Gurley)数を有し、その際、前記イオン交換材料が、前記隔膜に実質的に含浸せしめられ、前記隔膜の内部容積を実質的に閉塞している、イオン交換材料
    を含む複合隔膜。
  2. 縦方向の寸法安定性が6%未満である、請求項1に記載の複合隔膜。
  3. 縦方向の寸法安定性が4%未満である、請求項1に記載の複合隔膜。
  4. 縦方向の寸法安定性が2%未満である、請求項1に記載の複合隔膜。
  5. 横断方向の寸法安定性が10%未満である、請求項1に記載の複合隔膜。
  6. 横断方向の寸法安定性が8%未満である、請求項1に記載の複合隔膜。
  7. 横断方向の寸法安定性が6%未満である、請求項1に記載の複合隔膜。
  8. 横断方向の寸法安定性が4%未満である、請求項1に記載の複合隔膜。
  9. ショートに対する圧力が400psiよりも大である、請求項1に記載の複合隔膜。
  10. ショートに対する圧力が200psiよりも大である、請求項1に記載の複合隔膜。
  11. 請求項1に記載の複合隔膜とアノード及びカソードを含む隔膜電極アセンブリ。
  12. 請求項11に記載の隔膜電極アセンブリを含む燃料電池。
  13. 請求項1に記載の複合隔膜と少なくとも1個のアノード及びカソードを含む電解質セル。
  14. 縦方向の強度が8,500psiよりも大である、請求項1に記載の複合隔膜。
  15. 横断方向の強度が8,500psiよりも大である、請求項1に記載の複合隔膜。
  16. 面貫通水和膨脹が30%よりも大である、請求項1に記載の複合隔膜。
  17. 面貫通水和膨脹が40%よりも大である、請求項1に記載の複合隔膜。
  18. 相互に結合された通路及び経路を形成したノード及びフィブリルの微細構造を有しかつ硬度が1,000mPaよりも大である基材と、前記基材にその全体を通じて含浸されたイオン交換材料とを含む複合隔膜であって、前記複合隔膜が、10,000秒よりも大きなガーレイ(Gurley)数を有し、その際、前記イオン交換材料が、前記基材に実質的に含浸せしめられ、前記通路及び経路を実質的に閉塞している、複合隔膜。
JP2003526982A 2001-09-10 2002-08-27 高硬度及び寸法安定性を有するイオン伝導性隔膜 Expired - Lifetime JP4975951B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/950,839 2001-09-10
US09/950,839 US6613203B1 (en) 2001-09-10 2001-09-10 Ion conducting membrane having high hardness and dimensional stability
PCT/US2002/027338 WO2003022912A2 (en) 2001-09-10 2002-08-27 Ion conducting membrane having high hardness and dimensional stability

Publications (3)

Publication Number Publication Date
JP2005520002A JP2005520002A (ja) 2005-07-07
JP2005520002A5 true JP2005520002A5 (ja) 2006-01-05
JP4975951B2 JP4975951B2 (ja) 2012-07-11

Family

ID=25490910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003526982A Expired - Lifetime JP4975951B2 (ja) 2001-09-10 2002-08-27 高硬度及び寸法安定性を有するイオン伝導性隔膜

Country Status (9)

Country Link
US (1) US6613203B1 (ja)
EP (1) EP1490426B1 (ja)
JP (1) JP4975951B2 (ja)
KR (1) KR20040033038A (ja)
CN (1) CN100372883C (ja)
AU (1) AU2002323440B2 (ja)
CA (1) CA2459984C (ja)
DE (1) DE60215554T2 (ja)
WO (1) WO2003022912A2 (ja)

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