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    • 1. 发明授权
    • Binder for electrode of fuel cell, electrode for fuel cell including the binder, method of manufacturing the electrode, and fuel cell using the electrode
    • 燃料电池用电极用粘合剂,包括粘合剂的燃料电池用电极,电极的制造方法以及使用该电极的燃料电池
    • US08501370B2
    • 2013-08-06
    • US11846050
    • 2007-08-28
    • Myung-jin LeeSuk-gi HongMyung-dong Cho
    • Myung-jin LeeSuk-gi HongMyung-dong Cho
    • H01M4/02H01M4/36
    • H01M8/0239H01M4/8668H01M4/8828H01M4/8882H01M8/0234H01M8/0245H01M8/1007H01M2008/1095Y02P70/56Y10T29/49115
    • A binder for an electrode of a fuel cell is a basic polymer including a nitrogen-containing functional group and a proton conductive polymer having a phosphoric acid impregnation capacity of 200 wt % or less. An electrode for a fuel cell includes the binder and a catalyst, and a fuel cell includes the electrode. The electrode is manufactured by mixing the binder, a catalyst, and a solvent; and coating the mixture on a carbon support and heat-treating the coated mixture. The binder has excellent proton conductivity by having a phosphoric acid impregnation capacity of 200 wt % or less, and has improved durability without membrane damage and micro-structural changes due to swelling, which occurs when PBI is used as a binder. Accordingly, an electrode including the binder has improved phosphoric acid retention capacity, and increased wetting velocity. Thus, a fuel cell having improved efficiency can be manufactured due to the improved proton conductivity and durability of the electrode.
    • 用于燃料电池的电极的粘合剂是包含含氮官能团和磷酸浸渍能力为200重量%以下的质子传导性聚合物的碱性聚合物。 用于燃料电池的电极包括粘合剂和催化剂,燃料电池包括电极。 电极通过混合粘合剂,催化剂和溶剂来制造; 并将混合物涂覆在碳载体上并对涂覆的混合物进行热处理。 粘合剂通过具有200重量%以下的磷酸浸渍能力而具有优异的质子传导性,并且具有改善的耐久性,而不会由于PBI作为粘合剂而发生膜损伤和由于溶胀引起的微观结构变化。 因此,包括粘合剂的电极具有改善的磷酸保留能力和增加的润湿速度。 因此,由于电极的质子传导性和耐久性得到改善,所以可以制造效率提高的燃料电池。