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 the...
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Use of materials according to application
Current challenges for hydrogen materials
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Bibliography
- (1) - ELANM (C.C.), GREGROIRE PADRO (C.E.), SANDROCK (G.), LUZZI (A.), LINDBLAD (P.), FJERMESTAD HAGEN (E.) - Realizing the hydrogen future : the International Energy Agency's efforts to advance hydrogen energy technologies. - International Journal of Hydrogen Energy, vol. 28, n° 6, p. 601 (2003)....
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