Highly Efficient Solar Steam Generation from Activated Carbon Fiber Cloth with Matching Water Supply and Durable Fouling Resistance,ACS Applied Energy Materials

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Highly Efficient Solar Steam Generation from Activated Carbon Fiber Cloth with Matching Water Supply and Durable Fouling Resistance
ACS Applied Energy Materials ( IF 5.4 ) Pub Date : 2019-05-31 00:00:00 , DOI: 10.1021/acsaem.9b00562
Qile Fang _{1,

2} , Tiantian Li _{1,

2} , Haibo Lin _{1,

2} , Rongrong Jiang ₁ , Fu Liu _{1,

2}

Affiliation

Interfacial solar steam generation is a green and promising technique to capture solar energy for brine water desalination; however, it still faces grand challenges of thermal loss and salt fouling to promote the practical application with high performance and durability. In this study, we report that activated carbon fiber cloth (ACFC) with hierarchical microstructures shows superior light-thermal property for solar steam generation. A well-matching water supply path manipulated by cotton fiber nonwoven fabrics (CFNF) can bring about a high evaporation rate of 1.59 kg m^–2 h^–1 with optimum conversion efficiency of 93.3% under 1 sun. Rate matching between the water supply and vapor evaporation is revealed to be of great importance to full heat exploitation and efficient solar desalination. Moreover, the extra water supply pathway provided by CFNF completely eliminates the salt fouling phenomenon via timely salt dredging, guaranteeing the durability of the self-cleaning solar steam generation system. Thus, the appropriate ACFC+CFNF configuration shows its great potential application in durable and highly efficient solar desalination.

中文翻译：

活性碳纤维布产生的高效太阳能蒸汽，具有相匹配的供水和持久的防污性能

界面产生的太阳能蒸汽是一种绿色的，很有前途的技术，可以捕获太阳能以进行盐水淡化。然而，它仍然面临热损失和盐垢的巨大挑战，以促进具有高性能和耐用性的实际应用。在这项研究中，我们报告了具有分层微观结构的活性炭纤维布（ACFC）显示出优异的光热特性，可用于太阳能蒸汽的产生。由棉纤维无纺布（CFNF）操纵的匹配良好的供水路径可带来1.59 kg m ^–2 h ^–1的高蒸发速率在1个阳光下的最佳转换效率为93.3％。供水与蒸汽蒸发之间的速率匹配被证明对于充分利用热量和有效的太阳能淡化至关重要。此外，CFNF提供的额外供水路径可通过及时撒盐彻底消除盐积垢现象，从而确保了自清洁太阳能蒸汽发生系统的耐用性。因此，适当的ACFC + CFNF配置显示了其在持久且高效的太阳能脱盐中的巨大潜力。

更新日期：2019-05-31

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