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
Current challenges for hydrogen materials
Bibliography
Websites
Hydride database
Acthyf research group http://www.gdr-acthyf.cnrs.fr
European STORHY project http://www.storhy.net
European NESSHY project http://www.nesshy.net
...Event
World Hydrogen Energy Conference http://www.whec2010.com
Standards and norms
- Considération fondamentale pour la sécurité des systèmes à l'hydrogène - ISO/TR 15916 - 2004
- Transportable gas storage devices – Hydrogen absorbed in a reversible metal hydride - ISO 16111 - 2008
- Transportable gas cylinders – compatibility of cylinder and valve materials with gas contents – Part 4: Test methods for the selection of metallic materials resistant to hydrogen embrittlement - ISO 11114-4 - 2005
Regulations
Regulations on the use of hydrogen, risk of explosive atmosphere: European Directive 1999/92/EC.
Patents
Patent P. CAPRON "Material for generating hydrogen by hydrolysis of a borohydride, process for producing such a material and fuel cell using such a material", FR 2 892 111.
Patent D. FRUCHARD "Nanocrystalline composite for storage of hydrogen", WO 2007/125253.
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Electric horizontal injection molding machines Arburg SAS Hawaii distributed by Arburg France http://www.arburg.fr
Manufacture of PERSICO rotational molding machines, Bergamo Italy http://www.persico.com/
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