Thermally Controlled Hydrogen Storage System Using Novel Carbon Materials
Successful development of sorption storage technologies for hydrogen assumes an active temperature control and special properties of the materials, capable to adsorb hydrogen in a reversible way.
The goal of this paper is the development of the sectional vessel with heat pipe (HP) for hydrogen sorption storage at average pressures 3.5–6 MPa, every separate section of which has the case made from an aluminium (or reinforced plastics) and filled with briquettes of the sorbent material where hydrogen is situated in adsorbed and compressed states. A two-dimensional transient model was developed to analyse discharge/charge process of a flat rectangular vessel with sorbent and hydrogen. Such vessels for hydrogen storage and transportation are interesting to be applied in fuel cells vehicle, or dual-fuel engine car (hydrogen/gasoline, hydrogen/methane. The suggested sorbent bed for the storage system is based on compressed carbon fiber as a host material which includes the micro- and nanoparticles of different metal hydrides disposed on the surface of the active carbon and inside macropores.
Keywordscarbon material metal hydride hydrogen heat pipe sorption storage
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