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首页> 外文会议>EESD 2012 >Microstructures and Electrochemical Properties of La_(0.7)Ce_(0.3)Ni_(3.7)Co_(0.7-x)Al_(0.2)Mn_(0.4)(Fe_(0.43)B_(0.57))_x (x = 0-0.4) Hydrogen Storage Alloys
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Microstructures and Electrochemical Properties of La_(0.7)Ce_(0.3)Ni_(3.7)Co_(0.7-x)Al_(0.2)Mn_(0.4)(Fe_(0.43)B_(0.57))_x (x = 0-0.4) Hydrogen Storage Alloys

机译：La_（0.7）Ce_（0.3）Ni_（3.7）CO_（0.7-x）Al_（0.2）Mn_（0.4）（Fe_（0.43）B_（0.57））_ x（x = 0-0.4）氢气的微观结构和电化学性质储存合金

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X-ray diffraction results indicate that pristine alloy has a single LaNi_5 phase and the alloys containing Fe_(0.43)B_(0.57) consist of the matrix LaNi_5 phase and the La_3Ni_(13)B_2 secondary phase. The abundance of La_3Ni_(13)B_2 phase increases with increasing x value. Maximum discharge capacity of the alloy electrodes monotonically decreases from 336.1 mAh/g (x = 0) to 281.2 mAh/g (x = 0.4). High-rate dischargeability of the alloy electrodes first increases with increasing x from 0 to 0.20, and then decreases when x increases to 0.4. Cycling stability decreases with increasing x from 0 to 0.4.
机译：X射线衍射结果表明原始合金具有单个LANI_5相，并且含有Fe_（0.43）B_（0.57）的合金由基质Lani_5相和La_3Ni_（13）B_2二次相。 La_3ni_（13）B_2相的丰富随着x值的增加而增加。合金电极的最大放电容量从336.1mAh / g（x = 0）到281.2mah / g（x = 0.4）单调地减小。合金电极的高速率放电首先随着0至0.20的增加而增加，然后x增加到0.4时降低。循环稳定性随着0到0.4的增加而降低。

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