Experiments were conducted for developing suitable ANG adsorbents for vehicular applications. MIL

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01 and activated carbon samples were respectively prepared by hydrothermal and chemical activation methods. Two samples were undergone structure analysis on adsorption data of nitrogen at 77.15 K

and adsorption data of methane were then volumetrically measured within temperature-pressure range 293.15 K-313.15 K and 0-8 MPa. A conformable vessel in volume 2.5 L was employed for charge/discharge tests under the flow rate 10-30 L·min

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. It shows that limit isostreic heat of methane adsorption is respectively about 25.15 kJ·mol

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and 22.94 kJ·mol

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on the activated carbon and the MIL-101

and isosteric heat within the experimental condition is 14-19.5 kJ·mol

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; employing a smaller charge/discharge flow rate can weaken the temperature fluctuation of the adsorbent bed and increase the charge/discharge amount; employing honeycomb heat exchanging device enhance the thermal conductivity of the adsorbent bed by consuming a negligible part of volume of the vessel. It suggests that a smaller flow

rate for charge/discharge should be employed

and MOFs together with the honeycomb heat exchanging device are promising for practical applications.