含磺酸化聚芳香醚高分子之燃料電池觸媒層結構及其製造方法FUEL CELL CATALYST LAYER HAVING SULFONATED POLY(ARYLENE ETHER)S AND MANUFACTURING METHOD THEREOF

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

14/161,766

專利證號

US 8,987,407 B2

專利獲證名稱

含磺酸化聚芳香醚高分子之燃料電池觸媒層結構及其製造方法FUEL CELL CATALYST LAYER HAVING SULFONATED POLY(ARYLENE ETHER)S AND MANUFACTURING METHOD THEREOF

專利所屬機關 (申請機關)

國立中山大學

獲證日期

2015/03/24

技術說明

一種含磺酸化聚芳香醚高分子之燃料電池觸媒層結構及其製造方法，該製造方法係先提供至少一種磺酸化聚芳香醚高分子；再使該磺酸化聚芳香醚高分子與一觸媒成份混摻並調配成一觸媒漿液；及將該觸媒漿液以塗佈方式成膜並乾燥處理成為一電極觸媒層。在該電極觸媒層中，該磺酸化聚芳香醚高分子所佔重量比為5wt%至50wt%。該電極觸媒層之磺酸化聚芳香醚高分子可提供良好之熱穩定性、玻璃轉移溫度、化學耐受性、機械特性，並可有效防止水的滲透，及降低質子傳遞的損失；且製程簡單有利於縮短製造過程及降低製造成本。 A fuel cell catalyst layer having sulfonated poly(arylene ether)s and a manufacturing method therefor are provided. The manufacturing method includes steps of: providing at least one type of sulfonated poly(arylene ether)s; mixing the sulfonated poly(arylene ether)s with a catalyst composition to prepare a catalyst slurry; and coating the catalyst slurry to form a film which is dried to be an electrode catalyst layer, in which the weight ratio of the sulfonated poly(arylene ether)s is 5-50 wt%. The sulfonated poly(arylene ether)s in the electrode catalyst layer can provide good thermal stability, glass transition temperature, chemical resistance, mechanical properties, water impermeability, low proton transmission loss and relatively simple process to shorten the manufacture and lower the cost thereof.

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