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Carbonized Tree-Like Furry Magnolia Fruit-Based Evaporator Replicating the Feat of Plant Transpiration.
Global Challenges ( IF 4.9 ) Pub Date : 2019-09-13 , DOI: 10.1002/gch2.201900040
Yue Bian 1 , Yang Shen 1 , Kun Tang 1 , Qianqian Du 1 , Licai Hao 1 , Dongyang Liu 1 , Jinggang Hao 1 , Dong Zhou 1 , Xiaokun Wang 1 , Huiling Zhang 2 , Peiye Li 2 , Yimeng Sang 1 , Xiu Yuan 3 , Lijuan Zhao 2 , Jiandong Ye 1 , Bin Liu 1 , Hai Lu 1 , Yi Yang 1 , Rong Zhang 1 , Youdou Zheng 1 , Xiang Xiong 4 , Shulin Gu 1
Affiliation  

It has long been an aspirational goal to create artificial evaporators that allow omnidirectional energy absorptance, adequate water supply, and fast vapor transportation, replicating the feat of plant transpiration, to solve the global water crisis. This work reveals that magnolia fruits, as a kind of tree‐like living organism, can be outstanding 3D tree‐like evaporators through a simple carbonization process. The arterial pumping, branched diffusion, and confined evaporation are achieved by the “trunk,” “branches,” and “leaves,” respectively, of the mini tree. The mini tree possesses omnidirectional high light absorptance with minimized heat loss and gains energy from the environment. Water confined in the fruit possesses reduced vaporization enthalpy and transports quickly following the Murray's law. A record‐high vapor generation rate of 1.22 kg m−2 h−1 in dark and 3.15 kg m−2 h−1 under 1 sun illumination is achieved under the assistance of the gully‐like furry surface. The “absorption of nutrients” enables the fruit to recover valuable heavy metals as well as to produce clean water from wastewater efficiently. These findings not only reveal the hidden talent of magnolia fruits as cheap materials for vapor generation but also inspire future development of high‐performance, full‐time, and all‐weather vapor generation and water treatment devices.

中文翻译:

碳化树状毛茸茸的玉兰果蒸发器复制植物蒸腾的壮举。

制造能够全方位吸收能量、充足供水、快速水汽输送的人工蒸发器,复制植物蒸腾作用,解决全球水危机,一直是人们的理想目标。这项工作揭示了木兰果实作为一种树状生物体,通过简单的碳化过程可以成为出色的3D树状蒸发器。动脉泵送、分支扩散和有限蒸发分别是通过微型树的“树干”、“树枝”和“叶子”来实现的。迷你树具有全向高光吸收率,最大限度地减少热量损失,并从环境中获取能量。限制在水果中的水具有降低的汽化焓,并且按照墨累定律快速输送。在沟壑状毛茸茸的表面的帮助下,其在黑暗条件下的蒸气生成率达到了创纪录的1.22 kg m -2 h -1 ,在1个太阳光照下达到了3.15 kg m -2 h -1 。“吸收营养”使水果能够回收有价值的重金属,并有效地从废水中生产干净的水。这些发现不仅揭示了木兰果实作为廉价蒸汽发生材料的隐藏才能,而且还启发了高性能、全天候、全天候蒸汽发生和水处理设备的未来发展。
更新日期:2019-09-13
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