Scenario Analysis for Material Properties Boundary of Metal Hydrides for Hydrogen Storage

被引：0

作者：

Huang S. ^{[1
,2
]}

Xu W. ^{[1
]}

Li X. ^{[1
]}

Yang K. ^{[1
]}

He G. ^{[1
]}

Jiang L. ^{[2
]}

机构：

[1] National Institute of Clean-and-Low-Carbon Energy, Beijing

[2] Energy Materials & Technology Institute, General Research Institute for Nonferrous Metals, Beijing

来源：

Xiyou Jinshu/Chinese Journal of Rare Metals | 2018年 / 42卷 / 10期

关键词：

Energy consumption; Hydrogen gravimetric storage density; Large scale hydrogen storage and transportation; Metal hydrides; Reaction enthalpy;

D O I：

10.13373/j.cnki.cjrm.XY17090040

中图分类号：

学科分类号：

摘要：

Large scale hydrogen storage and transportation is a critical part of hydrogen energy development. Compressed hydrogen below 20 MPa is commonly used as the transportation method in China currently. Compressed hydrogen with higher pressures and liquid hydrogen are not permitted for commercial use. Other potential methods, such as metal hydrides and chemical carriers are widely investigated and discussed. Thus, it's necessary to explore materials that are suitable for large scale storage and transportation. This paper described a model to identify the material property boundaries based on energy consumption analysis. Using energy consumption of 20 MPa compressed hydrogen as the comparison basis, the boundary values of hydrogen storage density were obtained along with different reaction enthalpies. The results indicated that metal hydrides had better potential atreleasing pressure higher than 0.5 MPa and longer transportation distances. Most metal elementary and complex hydrides besides alloys satisfied the energy consumption requirement when the transportation distance was longer than 800 km. However, metal hydrides might only have potential over distances longer than 1500 km if the comparison basis changed to compressed hydrogen with pressure higher than 25 MPa. Energy consumption requirements were the necessary conditions that materials must meet for large scale hydrogen transportation. © Editorial Office of Chinese Journal of Rare Metals. All right reserved.

引用

页码：1046 / 1053

页数：7

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