热处理对LPC（NiCOAlMn）5.0贮氢合金电化学性能的影响

Effects of Heat Treatment on the Electrochemical Properties of theHydrogen Storage Alloy LPC(NiCoAlMn)_5.0)

摘要:

研究了673，1173，1373K热处理对贮氢合金活化性能，放电容量以及高倍率放电等电化学性能的影响。结果表明：1173，1373K热处理后，合金充放电循环稳定性及高倍率放电性能得到改善；其中1173K热处理合金的在0．4C充放电时最大放电容量与铸态合金相比没有下降，而循环稳定性及高倍率放电性能有明显的改善，具有优良的综合电化学性能。

Abstract:

The effects of heat treatment at 673 K, 1 173 K and 1 373 K on the ele ctrochemical properties of the hydrogen storage alloy LPC(NiCoAlMn)5 0, such as activity, discharge capacity and rate-of-discharge capacity, have been invest igated. The results show that the cycling stability and large discharging capaci ty are improved. The alloy heat treated at 1 173 K has good electrochemical prop erties.