Based on the excellent hydrophilicity,interconnected pore structure,and low thermal conductivity of natural wood,combined with the principle of plant transpiration,this article introduces that natural wood can be used as an ideal solar absorber after carbonization treatment.Carbonized elm has good light absorption ability and hydrophilicity,under the illumination of 1 kW·m-2 solar light intensity,the water evaporation rate of carbonized elm is 1.03kg·(m2·h)-1,the water evaporation efficiency driven by solar energy can reach 64.52%.Therefore,the material has potential application value in the field of water purification.
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