JP2005514745A - 電気伝導性親水性剤を有する燃料電池用の多孔質炭素体 - Google Patents
電気伝導性親水性剤を有する燃料電池用の多孔質炭素体 Download PDFInfo
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Abstract
Description
Claims (12)
- 電気化学セル内に使用するための電気伝導性親水性剤を有する多孔質炭素体であって、
a. 重量で体の67%〜87%の間の量の電気伝導性黒鉛粉末と、
b. 重量で体の6%〜18%の間の量の熱硬化性結合剤と、
c. 重量で体の2%〜20%の間の量の修飾カーボンブラック電気伝導性親水性剤とを有し、修飾カーボンブラックは、付着された少なくとも1つの有機基を有する炭素であり、有機基は、i.) 少なくとも1つの芳香基またはC1−C12アルキル基と、ii.) 少なくとも1つのイオン性基、1つのイオン化可能基、またはイオン性基およびイオン化可能基の混合物とを含み、イオン性基またはイオン化可能基は、スルホン酸またはその塩であり、有機基の少なくとも1つの芳香基またはC1−C12アルキルは、炭素に直接付着しており、有機基は、炭素の窒素表面積に基づいて使用される炭素の約0.10から約4.0マイクロモル/m2のレベルで存在することを特徴とする多孔質炭素体。 - 前記体は、2.0ミクロンより大きな平均細孔径と、体の25%より大きな通気多孔度とを有することを特徴とする請求項1記載の多孔質炭素体。
- 前記体は、5ポンド毎平方インチ(34Kpa)より大きな泡圧力を有することを特徴とする請求項1記載の多孔質炭素体。
- 前記熱硬化性結合剤は、フェノール樹脂、ビニルエステル樹脂、エポキシ樹脂、フタル酸ジアリル樹脂、およびウレタン樹脂から成る群より選択される熱硬化性結合剤であることを特徴とする請求項1記載の多孔質炭素体。
- 前記体の細孔は、真空充填レベルの70%を上回るまで毛管作用移動充填するのに十分に親水性であることを特徴とする請求項1記載の多孔質炭素体。
- 電気化学セル内に使用するための電気伝導性親水性剤を有する多孔質炭素体であって、
a. 重量で体の60%〜80%の間の量の電気伝導性黒鉛粉末と、
b. 重量で体の5%〜15%の間の量の炭素繊維と、
c. 重量で体の6%〜18%の間の量の熱硬化性結合剤と、
d. 重量で体の2%〜20%の間の量の修飾カーボンブラック電気伝導性親水性剤とを有し、修飾カーボンブラックは、付着された少なくとも1つの有機基を有する炭素であり、有機基は、i.) 少なくとも1つの芳香基またはC1−C12アルキル基と、ii.) 少なくとも1つのイオン性基、1つのイオン化可能基、またはイオン性基およびイオン化可能基の混合物とを含み、イオン性基またはイオン化可能基は、スルホン酸またはその塩であり、有機基の少なくとも1つの芳香基またはC1−C12アルキルは、炭素に直接付着しており、有機基は、炭素の窒素表面積に基づいて使用される炭素の約0.10から約4.0マイクロモル/m2のレベルで存在することを特徴とする多孔質炭素体。 - 前記体は、2.0ミクロンより大きな平均細孔径と、体の25%より大きな通気多孔度とを有することを特徴とする請求項6記載の多孔質炭素体。
- 前記体は、5ポンド毎平方インチ(34Kpa)より大きな泡圧力を有することを特徴とする請求項6記載の多孔質炭素体。
- 前記熱硬化性結合剤は、フェノール樹脂、ビニルエステル樹脂、エポキシ樹脂、フタル酸ジアリル樹脂、およびウレタン樹脂から成る群より選択される熱硬化性結合剤であることを特徴とする請求項6記載の多孔質炭素体。
- 前記体の細孔は、真空充填レベルの70%を上回るまで毛管作用移動充填するのに十分に親水性であることを特徴とする請求項6記載の多孔質炭素体。
- 電気化学セル内に使用するための電気伝導性親水性剤を有する多孔質炭素体を形成する方法であって、
a. 重量で混合物の67%〜87%の間の量の電気伝導性黒鉛粉末と、重量で混合物の6%〜18%の間の量の熱硬化性結合剤と、重量で混合物の2%〜20%の間の量の修飾カーボンブラック電気伝導性親水性剤とを一緒に混合し、
b. 次に、250〜1,000ポンド毎平方インチ(1,724Kpaから6,895Kpa)の間の圧力および300〜450華氏度(149℃から232℃)の間の温度において、型内で混合物を同時に圧縮および加熱して、2.0ミクロンより大きな平均細孔径と、25%より大きな通気多孔度とを有する体を形成する、
ことを含み、修飾カーボンブラックは、付着された少なくとも1つの有機基を有する炭素であり、有機基は、i.) 少なくとも1つの芳香基またはC1−C12アルキル基と、ii.) 少なくとも1つのイオン性基、1つのイオン化可能基、またはイオン性基およびイオン化可能基の混合物とを含み、イオン性基またはイオン化可能基は、スルホン酸またはその塩であり、有機基の少なくとも1つの芳香基またはC1−C12アルキルは、炭素に直接付着しており、有機基は、炭素の窒素表面積に基づいて使用される炭素の約0.10から約4.0マイクロモル/m2のレベルで存在することを特徴とする、多孔質炭素体を形成する方法。 - 前記一緒に混合することは、重量で混合物の5%〜15%の間の量の炭素繊維を、電気伝導性黒鉛粉末、熱硬化性結合剤、および修飾カーボンブラックと混合することを含むことを特徴とする請求項9記載の方法。
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US10/034,884 | 2001-12-27 | ||
US10/034,884 US6746982B2 (en) | 2001-12-27 | 2001-12-27 | Porous carbon body for a fuel cell having an electronically conductive hydrophilic agent |
PCT/US2002/040320 WO2003058739A1 (en) | 2001-12-27 | 2002-12-18 | Porous carbon body for a fuel cell having an electronically conductive hydrophilic agent |
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JP4916088B2 JP4916088B2 (ja) | 2012-04-11 |
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JP (1) | JP4916088B2 (ja) |
AU (1) | AU2002361741A1 (ja) |
DE (1) | DE10297593B4 (ja) |
WO (1) | WO2003058739A1 (ja) |
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- 2002-12-18 JP JP2003558948A patent/JP4916088B2/ja not_active Expired - Lifetime
- 2002-12-18 WO PCT/US2002/040320 patent/WO2003058739A1/en active Application Filing
- 2002-12-18 DE DE10297593.0T patent/DE10297593B4/de not_active Expired - Lifetime
- 2002-12-18 AU AU2002361741A patent/AU2002361741A1/en not_active Abandoned
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JP2007511870A (ja) * | 2003-10-16 | 2007-05-10 | ユーティーシー フューエル セルズ,エルエルシー | 改良された集電体と絶縁体を有する燃料電池スタック |
JP4739220B2 (ja) * | 2003-10-16 | 2011-08-03 | ユーティーシー パワー コーポレイション | 改良された集電体と絶縁体を有する燃料電池スタック |
JP4838729B2 (ja) * | 2003-12-29 | 2011-12-14 | ユーティーシー パワー コーポレイション | バッキング層に不規則分散化した炭素繊維を有する燃料電池 |
JP2008108526A (ja) * | 2006-10-25 | 2008-05-08 | Hitachi Ltd | 燃料電池モジュール構造 |
Also Published As
Publication number | Publication date |
---|---|
JP4916088B2 (ja) | 2012-04-11 |
US6746982B2 (en) | 2004-06-08 |
DE10297593B4 (de) | 2017-09-14 |
WO2003058739A1 (en) | 2003-07-17 |
US20030124414A1 (en) | 2003-07-03 |
AU2002361741A1 (en) | 2003-07-24 |
DE10297593T5 (de) | 2004-12-02 |
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