A low-cost lotus leaf-based carbon film for solar-driven steam generation

GUO Ming-xi; WU Jing-bin; LI Feng-hai; GUO Qian-qian; FAN Hong-li; ZHAO Hui-min

doi:10.1016/S1872-5805(20)60501-7

Volume 35 Issue 4

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Article Navigation > New Carbon Mater. > 2020 > 35(4): 436-443

GUO Ming-xi, WU Jing-bin, LI Feng-hai, GUO Qian-qian, FAN Hong-li, ZHAO Hui-min. A low-cost lotus leaf-based carbon film for solar-driven steam generation. New Carbon Mater., 2020, 35(4): 436-443. doi: 10.1016/S1872-5805(20)60501-7

Citation:

GUO Ming-xi, WU Jing-bin, LI Feng-hai, GUO Qian-qian, FAN Hong-li, ZHAO Hui-min. A low-cost lotus leaf-based carbon film for solar-driven steam generation. New Carbon Mater., 2020, 35(4): 436-443. doi: 10.1016/S1872-5805(20)60501-7

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A low-cost lotus leaf-based carbon film for solar-driven steam generation

doi: 10.1016/S1872-5805(20)60501-7

1.
School of Chemistry and Chemical Engineering, Heze University, Heze 274015, China;
2.
Heze University, Yuncheng 274700, China;
3.
School of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China;
4.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China

Funds: Natural Science Foundation of Shandong Province, China (ZR2017BB063, ZR2018MB037), Natural Science Foundation of China (21875059), Scientific Research Fund of Heze University, China (XY16BS28).

Received Date: 2020-03-20
Rev Recd Date: 2020-06-30
Publish Date: 2020-08-28

Abstract

Abstract

Solar-driven interfacial evaporation has attracted much attention owing to its potential for addressing the shortage of freshwater. Low-cost and high-efficiency photothermal conversion materials are the key to the application. A low-cost lotus leaf-based carbon film (LLC) for use as a photo-to-heat conversion medium for solar-driven steam generation was prepared by the simple vacuum filtration of LLC obtained at a carbonization temperature of 800℃ using a porous fibrous filter paper. In a laboratory-made solar steam generation real-time test system using commercial polystyrene foam as the insulation layer and the LLC film on porous fibrous filter paper as the water transport path, the LLC film exhibits a solar-driven water evaporation rate of 1.30 kg/m² h and a solar-vapor conversion efficiency of 77.5%. The LLC film also shows excellent performance in seawater desalination and sewage purification. The work provides a possible route for the use of low-cost and environmentally friendly biomass-based carbon materials in solar-driven steam generation.
- Lotus leaf,
- Carbon film,
- Solar-driven steam generation

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References(34)

References

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