研究了无载体铂钌合金所催化的硼氢化钠水解.试验结果表明,采用葡聚糖dextran为软模板所制备催化剂的催化产氢活性呈现出如下顺序:Pt33Ru67 > Pt63Ru37 > Ru > Pt76Ru24 >>Pt.铂钌的原子比例影响着合金的晶体结构和晶粒尺寸,进而成为引起所制备催化剂活性变化的主要因素.本研究试验条件下,合金Pt33Ru67催化水解硼氢化钠的平均产氢速率为1.96 L(H2)min-11·g-1,氢气产率达到了98.2%.
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