中文摘要：

研究了两种不同配比La-Ni-Al的储氢合金电极的电化学性能。测试结果表明,LaNi4.061Al0.222储氢合金的最大放电容量为292mAh·g1（303 K）,且具有较好的倍率性能。同时研究了Zr的添加对LaNi4.061Al0.222Zrx（x=0-0.2）储氢合金电极电化学性能的影响。结果表明,x=0.2时,储氢合金电极具有最大的放电容量309.9mAH·g-1和高倍率放电性能。

英文摘要：

The electrochemical properties of La-Ni-Al alloy electrodes are investigated.The results show that the maximum discharge capacity of a LaNi4.061Al0.222 electrode alloy is 297 mAh·g^-1 at 303 K, and the high-rate dischargeability is excellent. The effect of zirconium addition on the electrochemical pmperties of LaNi4.061Al0.222Zrx（x=0-0.2） alloy electrode is also studied. The results show that the LaNi4.061Al0.222Zr0.2 alloy electrode has the maximum discharge capacity 309.9 mAh· g^-1 and the high-rate dischargeability is improved.