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    • 6. 发明申请
    • Composition, complex and method for enhancing catalysts utilization
    • 组合物,复合物和提高催化剂利用的方法
    • US20070048592A1
    • 2007-03-01
    • US11429108
    • 2006-05-08
    • Fu-Chi WuLi-Duan TsaiKan-Lin HsuehDu-Yuan YuChiou-Ping HuangSung-Chun Chang
    • Fu-Chi WuLi-Duan TsaiKan-Lin HsuehDu-Yuan YuChiou-Ping HuangSung-Chun Chang
    • H01M4/86H01M4/92H01M4/96H01M4/88B01J31/00B01J21/18
    • H01M8/1004H01M4/8605H01M4/92H01M4/925H01M4/926
    • The present invention relates to a composition for enhancing the utilization of catalysts in fuel cell, comprising catalysts, proton-exchanged ionic polymers, and coupling agents. The coupling agents are bonded to the catalysts or catalyst carriers by a B1 functional group and bonded to the proton-exchanged ionic polymers by a B2 functional group. The present invention also relates to a method for enhancing the utilization of catalysts in fuel cell, comprising the steps of (a) utrasonicating catalysts; (b) adding coupling agents to bond to the catalysts; (c) adding a perfluoro polymer to form a catalyst-coupling agent-perfluoro polymer complex whereby developing stable dispersion; wherein the coupling agents in step (b) are bonded to the catalysts by a B1 functional group and bonded to a perfluoro polymer by a B2 functional group. The present invention also provides a complex for enhancing the utilization of catalysts in fuel cell, comprising catalysts, coupling agents, and proton-exchanged ionic polymers, wherein the coupling agents are bonded to the catalysts by a B1 functional group and bonded to the perfluoro polymer by a B2 functional group to form a complex.
    • 本发明涉及一种提高燃料电池中催化剂利用率的组合物,其中包括催化剂,质子交换离子聚合物和偶联剂。 偶联剂通过B1官能团键合到催化剂或催化剂载体上,并通过B2官能团与质子交换的离子聚合物键合。 本发明还涉及一种提高燃料电池中催化剂利用率的方法,包括以下步骤:(a)挥发催化剂; (b)加入偶联剂以结合到催化剂上; (c)加入全氟聚合物以形成催化剂偶联剂 - 全氟聚合物络合物,从而形成稳定的分散体; 其中步骤(b)中的偶联剂通过B1官能团与催化剂结合并通过B2官能团与全氟聚合物键合。 本发明还提供了一种用于增强燃料电池中催化剂的利用的复合物,其包括催化剂,偶联剂和质子交换的离子聚合物,其中偶联剂通过B1官能团与催化剂结合并结合到全氟聚合物 由B2官能团组成复合物。