3D-Printed Bionic Solar Evaporator

Zhaolong Wang

doi:10.1002/solr.202101063

2022-03-22

PRE

王

王兆龙 (Zhaolong Wang) *

DOI：10.1002/solr.202101063

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摘要

En 中文

Solar water evaporation, which can be utilized for seawater desalination and wastewater treatment, promises freshwater security with renewable energy. Herein, a bionic solar evaporator consisting of a hydrogel solar absorber and bionic microchannels fabricated by the projection microstereolithography based 3D printing technique is proposed. Such a bioinspired solar evaporator achieves a fast water self-transport speed and a high solar water evaporation rate of 4.12 kg.m(-2).h(-1 )under 1 sun irradiation (1 kW.m(-2)), and the solar thermal efficiency can be as high as 92.1%. However, both the evaporation rate and solar thermal efficiency are greatly affected by properties of the hydrogel, geometric parameters of microchannels, and intensity of the light source. Most significantly, the bionic solar evaporator is applied for wastewater treatment including the purification of organic dyes, acid and alkali, as well as metal ions. The purification rate can be as high as 99.999%, demonstrating amazing performance for clean water production. The bioinspired water evaporator promises applications for solar energy harvesting, photothermal conversion, as well as environmental engineering, such as solar vapor generation, thermophotovoltaic cell, sewage disposal, and desalination of seawater.

Keyword:

bionic solar evaporators

projection microstereolithography 3D printing

sewage purification

water transportation

期刊

Solar RRL

IF:

4.7

论文数:

3.4K

被引数:

1.3W

机构

shanghai jiao tong university

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15.7W

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beijing institute of technology

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southeast university - china

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5.3W

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hunan university

学者数:

4.5W

论文数: 3.3W

被引数: 70

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