Integrated Evaporator for Efficient Solar-Driven Interfacial
Steam Generation
Posted on 2020-07-22 - 20:18
Solar-driven
interfacial steam generation is a promising technique
for clean water production because it can minimize thermal loss by
localizing solar-to-heat conversion at the air/liquid interface. Here
we report an integrated solar evaporator by partially growing 2D polypyrrole
microsheets within a melamine foam through chemical vapor polymerization.
These microsheets can induce multiple light reflections within the
foam, enable omnidirectional light absorption, provide abundant surfaces
to promote heat transfer, and achieve spatially defined hydrophobicity
to facilitate vapor escape. Meanwhile, the inherent hydrophilicity
of the bottom part of the foam promotes spontaneous upward water transport
and suppresses heat loss. The composite foam exhibits an excellent
apparent evaporation rate of ∼2 kg/(m2·h) and
solar-to-vapor efficiency of ∼91%. The combined advantages
of large surface area, high efficiency, low cost, all-weather application,
excellent durability, and scalable manufacturing make our integrated
design promising for fabricating large-scale solar steam generation
systems that are suitable for practical clean water production.
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Chen, Jinxing; Li, Bo; Hu, Guoxiang; Aleisa, Rashed; Lei, Shan; Yang, Fan; et al. (2020). Integrated Evaporator for Efficient Solar-Driven Interfacial
Steam Generation. ACS Publications. Collection. https://doi.org/10.1021/acs.nanolett.0c01999
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AUTHORS (13)
JC
Jinxing Chen
BL
Bo Li
GH
Guoxiang Hu
RA
Rashed Aleisa
SL
Shan Lei
FY
Fan Yang
DL
Dilong Liu
FL
Fenglei Lyu
MW
Mozhen Wang
XG
Xuewu Ge
FQ
Fang Qian
QZ
Qiao Zhang
YY
Yadong Yin