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Journal Articles International Journal of Hydrogen Energy Year : 2019

Modelling of a hydrogen thermally driven compressor based on cyclic adsorption-desorption on activated carbon

Abstract

Thermally driven hydrogen compression by cyclic hydrogen adsorption-desorption on activated carbon is presented therein. Hydrogen compression occurs through heat exchange, which allows physisorbed hydrogen to desorb at higher temperature in a given volume. The physical nature of hydrogen adsorption on porous carbon allows reversible desorption, and a flow of compressed hydrogen is then obtained by running adsorption/desorption cycles repeatedly. We investigated the feasibility of such a system through numerical simulations by taking into account both mass and energy balances, and adsorption thermodynamics. We showed that high-pressure hydrogen, up to 70 MPa, can be obtained by simply lowering and/or increasing the system temperature. Such a system opens new perspectives in the frame of the Hydrogen Supply Chain.
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hal-02186775 , version 1 (19-12-2020)

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Giuseppe Sdanghi, Nicolas Vincent, Kevin Mozet, Sébastien Schaefer, Gaël Maranzana, et al.. Modelling of a hydrogen thermally driven compressor based on cyclic adsorption-desorption on activated carbon. International Journal of Hydrogen Energy, 2019, 44 (31), pp.16811-16823. ⟨10.1016/j.ijhydene.2019.04.233⟩. ⟨hal-02186775⟩
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