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Corrugated Wood Fabricated Using Laser-Induced Graphitization for Salt-Resistant Solar Steam Generation.
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-06-09 , DOI: 10.1021/acsami.0c05138
Hansol Jang 1 , Jihun Choi 1 , Hansol Lee 1 , Sangmin Jeon 1
Affiliation  

We developed a novel solar steam generator (SSG) with high solar conversion efficiency and excellent salt resistance. A CO2 laser was used to convert the surface of basswood to graphitic carbon layers (GCL), and various grid patterns of GCL were created on wood. The low thermal conductivity of wood suppressed heat loss to bulk water, and the presence of the grooves in the grid increased the evaporation rate by increasing the surface area to absorb more sunlight. In addition, the supply of bulk water through the grooves endowed the SSG with salt resistance and self-regeneration properties. The salt resistance was maintained in a 20-wt % NaCl solution for the duration of the experiment (2 weeks), which indicates that the developed SSG can be used in saline water for long-term operation.

中文翻译:

使用激光诱导石墨化加工制成的波纹木材,用于产生耐盐的太阳能蒸汽。

我们开发了一种新型太阳能蒸汽发生器(SSG),具有很高的太阳能转化效率和出色的耐盐性。使用CO 2激光将of木的表面转化为石墨碳层(GCL),并在木材上创建了GCL的各种网格图案。木材的低导热率抑制了热量散失到大量水中,并且网格中凹槽的存在通过增加表面积以吸收更多的阳光而增加了蒸发速率。另外,通过凹槽供应大量水使SSG具有耐盐性和自我再生特性。在整个实验过程中(2周),在20 wt%的NaCl溶液中保持了耐盐性,这表明所开发的SSG可用于盐水中以进行长期操作。
更新日期:2020-07-08
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