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.
https://hal.univ-lorraine.fr/hal-02186775
Contributor : Giuseppe Sdanghi <>
Submitted on : Saturday, December 19, 2020 - 6:15:33 PM Last modification on : Monday, March 29, 2021 - 4:03:13 PM
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, Elsevier, 2019, 44 (31), pp.16811-16823. ⟨10.1016/j.ijhydene.2019.04.233⟩. ⟨hal-02186775⟩