中文摘要：

学习 hydriding/dehydriding (H/D ) 的一个新模型运动机制被使用了在二阶段(α-β) 在从 523 到 623K 的温度和压力合成的 Mg-6mol%LaNi 的区域并且 0.256 到 0.992MPa H ₂, 分别地。有试验性的数据的理论计算的巧合显示限制率的步是在为 hydriding 过程和在有活化能的氢解吸附作用的α 固体解决方案的氢的散开的β 阶段的氢散开 89500 并且为 H/D 进程的 87900J/mol H ₂，分别地它是比 MgH ₂的那些小得多的并且能被归因于 La 和 Ni 增加。

英文摘要：

A new model to study the hydriding/dehydriding （H/D） kinetic mechanism has been applied in the two-phase （α-β） region of the Mg-6mol%LaNi composite at temperature and pressure ranging from 523 to 623K and 0.256 to 0.992MPa H2. respectively. The coincidence of the theoretical calculation with the experimental data indicates that the rate-limiting step is hydrogen diffusion in the β phase for hydriding process and the diffusion of hydrogen in the α solid solution for hydrogen desorption with activation energies 89500 and 87900J/mol H2 for HID processes, respectively, which were much smaller than those of MgH2 and can be attributed to the La and Ni additions.