采用PdCl2溶液浸渍-焙烧-还原的方法制备出载钯硅藻土(Palladium/Kieselguhr,简称Pd/K),对其进行物相分析、形貌观察、吸放氢PCT以及吸氢动力学测量,研究了1000次和2000次热致吸放氢循环后的储氢性能.结果表明,热致循环前后Pd/K的吸放氢PCT曲线基本相同,吸氢量稍有降低,动力学性能明显提高.热致循环后Pd/K表面的钯颗粒发生明显粉化,1000次和2000次热致循环后粉化率(＜150 μm)分别为0.21％和3.98％.
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