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Bioinspired Temperature Regulation in Interfacial Evaporation
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2020-02-16 , DOI: 10.1002/adfm.201910481 Modi Jiang 1 , Qingchen Shen 1 , Jingyi Zhang 1 , Shun An 1 , Shuai Ma 1 , Peng Tao 1 , Chengyi Song 1 , Benwei Fu 1 , Jun Wang 2 , Tao Deng 1 , Wen Shang 1
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2020-02-16 , DOI: 10.1002/adfm.201910481 Modi Jiang 1 , Qingchen Shen 1 , Jingyi Zhang 1 , Shun An 1 , Shuai Ma 1 , Peng Tao 1 , Chengyi Song 1 , Benwei Fu 1 , Jun Wang 2 , Tao Deng 1 , Wen Shang 1
Affiliation
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Human skin shows self‐adaptive temperature regulation through both enhanced heat dissipation in high temperature environments and depressed heat dissipation in cold environments. Inspired by such thermal regulation processes, an interfacial material system with self‐adaptive temperature regulation in the solar‐driven interfacial evaporation system, which can exhibit automatic temperature oscillation to enable pyroelectricity generation while producing water vapor, is reported. The bioinspired interface system is designed with the combination of a thermochromism‐based temperature regulator consisting of tungsten‐doped vanadium dioxide nanoparticles and a polymeric pyroelectric thin film of polyvinylidene fluoride. Under the simulated solar illumination with power density of 1.1 kW m−2, the bioinspired interfacial evaporation system achieves a self‐adaptive temperature oscillation with the maximum temperature difference of ≈7 °C and this system can simultaneously generate water vapor as well as electricity with an evaporation efficiency of 71.43% and a maximum output electrical power density of 104 µW m−2, respectively. The study demonstrates a design of thermal management at the interface of solar‐driven evaporation system to exhibit a self‐adaptive temperature oscillation and offers an alternative approach for the multifunctional harvesting of solar energy.
中文翻译：
界面蒸发中受生物启发的温度调节
人体皮肤通过在高温环境中增强的散热和在寒冷环境中抑制的散热表现出自适应的温度调节。受此类热调节过程的启发，报道了一种在太阳能驱动的界面蒸发系统中具有自适应温度调节功能的界面材料系统，该系统可以表现出自动温度振荡，从而在产生水蒸气的同时实现热电发电。具有生物启发性的界面系统是由基于热致变色的温度调节器（由掺杂钨的二氧化钒纳米颗粒组成）和聚偏二氟乙烯的聚合物热电薄膜组成的组合而设计的。在模拟太阳光下，功率密度为1.1 kW m -2，生物启发的界面蒸发系统实现了自适应温度振荡，最大温度差约为≈7°C，该系统可以同时产生水蒸气和电能，蒸发效率为71.43％，最大输出功率密度为分别为104μWm -2。这项研究展示了太阳能驱动蒸发系统界面处的热管理设计，以显示自适应温度振荡，并为太阳能的多功能收集提供了另一种方法。
更新日期：2020-04-06
中文翻译：
界面蒸发中受生物启发的温度调节
人体皮肤通过在高温环境中增强的散热和在寒冷环境中抑制的散热表现出自适应的温度调节。受此类热调节过程的启发，报道了一种在太阳能驱动的界面蒸发系统中具有自适应温度调节功能的界面材料系统，该系统可以表现出自动温度振荡，从而在产生水蒸气的同时实现热电发电。具有生物启发性的界面系统是由基于热致变色的温度调节器（由掺杂钨的二氧化钒纳米颗粒组成）和聚偏二氟乙烯的聚合物热电薄膜组成的组合而设计的。在模拟太阳光下，功率密度为1.1 kW m -2，生物启发的界面蒸发系统实现了自适应温度振荡，最大温度差约为≈7°C，该系统可以同时产生水蒸气和电能，蒸发效率为71.43％，最大输出功率密度为分别为104μWm -2。这项研究展示了太阳能驱动蒸发系统界面处的热管理设计，以显示自适应温度振荡，并为太阳能的多功能收集提供了另一种方法。
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