采用LaNi5稀土合金作为催化剂,用化学气相沉积法(CVD)制备了碳纳米管.研究了含有5%碳纳米管的LaNi5稀土合金电极样品的电化学性能.测定了碳纳米管电极的电化学储氢性能.实验发现:含有碳纳米管的LaNi5稀土合金的电化学放电容量更高,当放电电流密度为100mA/g时,其电化学储氢量高达385 mAh/g.其循环寿命也得到了较大改善.循环100次,放电容量仅下降15%.
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