IGA储氢应用文章

  1. 类别:分析方法/应用文章
  2. 上传人:北京英格海德
  3. 上传时间:2012/5/31 16:19:19
  4. 文件大小:87K
  5. 下载次数:7
  6. 消耗积分 : 免积分

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简介:

The hydrogen-absorbing intermetallic compound LaNi5 was activated using volumetric apparatus (a HTP1-V volumetric hydrogen storage analyser) at 333 K. Pressure-composition isotherms (PCIs) were measured through the first 8 hydrogenation cycles and show considerable change in the hydrogen absorption behaviour through the activation process. A series of isotherms at temperatures in the range 308 – 413 K were also measured. The higher temperature measurements show a clear indication of the formation of an intermediate  phase between the solid solution  phase and  hydride phase. Van ‘t Hoff plots were determined from the measured isotherms and the average value for ΔH of 15.6 kJ/mol ½H2 was found to be in good agreement with the literature.

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