采用离子束溅射技术制备Pt/C催化电极(Pt层厚度为100nm),降低了电极耗铂量至0.19mg/cm2,电极具有良好的电化学性能.研究了在不同碳质载体材料上用不同沉积条件制备的Pt/C电极的电化学性能.结果表明石墨纤维布上沉积铂的电极性能优于碳纸上沉积铂的电极;采用高束电压高束电流情况下沉积的铂电极电化学性能又有显著提高.电极连续运转1000h后催化活性未出现下降.
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