Hydrogen storage characteristics of Ti–Zr–Cr–V alloys
Hydrogen storage characteristics of Ti–Zr–Cr–V alloys
复制标题
Ti-Zr-Cr-V合金的储氢特性
DOI：
10.1016/s0925-8388(99)00162-0
复制
发表时间：
1999
期刊：
影响因子：
--
通讯作者：
E. Akiba
中科院分区：
文献类型：
--
作者：
Sung;C. Han;Choong;E. Akiba
在303 K下研究了用锆替代钛对Ti-Cr-V合金储氢性能的改善。锆的替代降低了平衡压力和P-C等温线的滞后。但由于ZrCr 2相的形成，使P-C等温线的斜率增大，储氢量降低。通过改变钛与铬的组成比，从而抑制ZrCr 2相的形成，实现了具有非常高的储氢容量的合金。合金的热处理改善了平台的平坦度，而最大和有效储氢容量没有降低。
The improvement of hydrogen storage characteristics by substituting zirconium for titanium in Ti–Cr–V alloys has been studied at 303 K. Zirconium substitution decreased the equilibrium pressure and the hysteresis of the P–C isotherm. However, it increased the slope of the P–C isotherm and decreased the hydrogen storage capacity by forming the ZrCr2phase. By modifying the composition ratio of titanium to chromium, thereby suppressing the formation of the ZrCr2phase, an alloy having very high hydrogen storage capacity was realized. Heat treatment of the alloys improved the flatness of the plateau greatly without a decrease in both the maximum and the effective hydrogen storage capacities.