Article | REF: N1206 V1

Materials of the hydrogen sector - Storage and transportation

Authors: Florence LEFEBVRE-JOUD, Laurent BRIOTTET, Olivier GILLIA, Fabien Nony

Publication date: April 10, 2010

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3. Use of materials according to application

In order to focus on the specific applications of the hydrogen industry, this document does not describe traditional metal alloy processes. Only the use of metal hydrides and the development of hydrogen-tight composites for hyperbaric tanks will be described in detail.

3.1 Hydride processing

The use of hydrides requires the mastery of two particularly constraining phenomena. The reaction is exothermic in the direction of hydrogen absorption, and endothermic in the opposite direction. The amount of heat energy generated during the reaction, directly proportional to the enthalpy of reaction, is not negligible: for a hydride of the TiFe type (reversible capacity of 1.5% by mass, ΔH = – 28.1 kJ/mol), for example, it corresponds to 12% of the energy contained in...

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Use of materials according to application