La_(0.8)Mg_(0.2)(Ni_(2.7)Co_(0.6)Al_(0.1)Mn_(0.1))_x贮氢合金的节能分析  

Energy-saving study of the La_(0.8)Mg_(0.2)(Ni_(2.7)Co_(0.6)Al_(0.1Mn_(0.1))_x hydrogen storage alloy

作　　者：李甜甜[1] 李琳[1] 刘宝林[1] 王艳[1] 

机构地区：[1]上海理工大学能源与动力工程学院,上海200093

出　　处：《电池工业》2011年第1期33-36,共4页Chinese Battery Industry

基　　金：上海市重点学科建设项目(S30503)

摘　　要：以La0.8Mg0.2(Ni2.7Co0.6Al0.1Mn0.1)x(x=0.9、0.95、1.00、1.05、1.10)贮氢合金为研究对象。采用电化学测试技术,揭示合金的成分与电化学性能的关系。在所研究的合金中,以x=1.00时合金的综合性能较好,其最大放电容量为357 mAh/g,活化次数为2次,在1200 mA/g放电电流条件下的高倍率放电性能HRDl200=47%,但合金经200次循环后的容量保持率偏低(S200=63.4%)。The La0.8Mg0.2（Ni2.7Co0.6Al0.1Mn0.1）x（x= 0.9、0.95、1.00、1.05、1.10） hydrogen storage alloys were selected as the object of this study.The electrochemical techniques were used to reveal the relationship between the alloy composition and electrochemical performance.In the above alloys,alloy with x=1.00 had better performance,its maximum discharge capacity was 357 mAh/g,activation times was 2 times.At the discharge current of 1 200 mA/g,the high rate discharge performance HRDl200 was 47%,but the capacity retention rate of the alloy after 200 cycles was low（S200= 63.4%）.

关 键 词：稀土系贮氢合金 AB5型 退火处理 电化学性能 节能 

分 类 号：TM912.9[电气工程—电力电子与电力传动]