多元化降钴对贮氢合金性能的影响  

Effect of Reducing Cobalt by Multi-alloying on Properties of Hydrogen Storage Alloys

作　　者：厉海艳[1] 李全安[1] 文九巴[1] 张清[1] 张兴渊[1] 

机构地区：[1]河南科技大学材料科学与工程学院,河南洛阳471003

出　　处：《上海有色金属》2005年第1期4-6,共3页Shanghai Nonferrous Metals

基　　金：河南省杰出青年科学基金(0312000200);河南省高校创新人才培养基金(豫高教[2002]0129)

摘　　要：为了降低贮氢合金中的钴含量,从而降低镍氢电池的价格,在贮氢合金M1Ni3 55Co0 75Al0 3Mn0 4的基础上,依次添加Cu、Cr、Zn、Fe元素,得到稀土基多元贮氢合金,并对其放电容量和循环稳定性进行了测试和分析。结果表明,适量的Cu、Cr、Zn、Fe替代Co,仍能使贮氢合金具有较高的放电容量和较好的循环稳定性。<Abstrcat>In order to reduce the price of Ni-MH batteries by reducing the Co content in the alloys,Cu,Cr,Zn and Fe were added in turn into the alloy of M1Ni3.55Co0.75Al0.3Mn0.4 and multi-alloying RE based alloys were obtained.The results show that with Co being substituted by suitable amounts of Cu,Cr,Zn and Fe,the low Co hydrogen storing alloys can have high discharge capacity and good cycling stability.

关 键 词：多元贮氢合金 循环稳定性 放电容量 稀土 性能 替代 镍氢电池 金具 钴含量 降低 

分 类 号：TG139.7[一般工业技术—材料科学与工程]