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刘孟,朱宏志,苏永军,杨金水,丁晶晶,江奕东.氚老化对海绵钯吸、放氕氘热力学性质的影响[J].稀有金属材料与工程(英文),2017,46(10):3117~3122.[Liu Meng,Zhu Hongzhi,Su Yongjun,Yang Jinshui,Ding JingJing and Jiang Yidong.Tritium aging effects on thermodynamics of sponge palladium absorbing/desorbing protium and deuterium[J].Rare Metal Materials and Engineering,2017,46(10):3117~3122.]
Tritium aging effects on thermodynamics of sponge palladium absorbing/desorbing protium and deuterium
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Received:July 22, 2016  Revised:December 19, 2016
DOI:
Key words: sponge palladium  tritium aging  thermodynamics
Foundation item:国家自然科学基金资助(项目号21573200)
Author NameAffiliation
Liu Meng,Zhu Hongzhi,Su Yongjun,Yang Jinshui,Ding JingJing and Jiang Yidong  
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Abstract:
      Palladium is an important functional material in tritium treating technology, tritium decay and its product,helium-3 will decrease the properties of hydrogen storage of palladium. The PcT curves of absorbing/desorbing protium and deuterium were measured by the varying temperature method for aged palladium after 1.6 years tritium storage, the experimental results of fresh sponge palladium were provided for comparison in this work, furthermore, thermodynamics of the aged palladium absorbing/desorbing protium and deuterium was analyzed. Comparing with the fresh palladium, tritium aging compel a phase zone to shift right, decreases the plateau pressures of aged Pd-H and Pd-D systems as narrowing down the scope of the plateau pressures, further analyzing shows that the tritium aging weakens the hysteresis effect of palladium absorbing/desorbing hydrogen, affects the enthalpy and entropy changes of the formation of palladium hydride.
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