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Achieving Solar-Thermal-Electro Integration Evaporator Nine-Grid Array with Asymmetric Strategy for Simultaneous Harvesting Clean Water and Electricity
Advanced Science ( IF 14.3 ) Pub Date : 2023-09-22 , DOI: 10.1002/advs.202303815 Junli Ma 1 , Zhenzhen Guo 2 , Xu Han 1 , Heng Lu 1 , Kaixin Guo 3 , Jianguo Xin 1 , Chaoyong Deng 3 , Xianbao Wang 4
Advanced Science ( IF 14.3 ) Pub Date : 2023-09-22 , DOI: 10.1002/advs.202303815 Junli Ma 1 , Zhenzhen Guo 2 , Xu Han 1 , Heng Lu 1 , Kaixin Guo 3 , Jianguo Xin 1 , Chaoyong Deng 3 , Xianbao Wang 4
Affiliation
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Water evaporation is a ubiquitous and spontaneous phase transition process. The utilization of solar-driven interface water evaporation that simultaneously obtains clean water and power generation can effectively alleviate people's concerns about fresh water and energy shortages. However, it remains a great challenge to efficiently integrate the required functions into the same device to reduce the complexity of the system and alleviate its dependence on solar energy to achieve full-time operation. In this work, a multifunctional device based on reduced graphene oxide (RGO)/Mn3O4/Al2O3 composite nanomaterials is realized by an asymmetric strategy for effective solar-thermal-electro integration that can induce power generation by water evaporation in the presence/absence of light. Under one sun irradiation, the solar-driven evaporation rate and output voltage are 1.74 kg m−2 h−1 and 0.778 V, respectively. More strikingly, the nine-grid evaporation/power generation array integrated with multiple devices in series has the advantages of small volume, large evaporation area, and high power generation, and can light up light-emitting diodes (LEDs), providing the possibility for large-scale production and application. Based on the high photothermal conversion efficiency and power production capacity of the RGO/Mn3O4/Al2O3 composite evaporation/generator, it will be a promising energy conversion device for future sustainable energy development and applications.
中文翻译：
采用不对称策略实现太阳能-热-电一体化蒸发器九栅阵列，同时收集清洁水和电力
水蒸发是一个普遍存在的自发相变过程。利用太阳能驱动的界面水蒸发，同时获得洁净水和发电，可以有效缓解人们对淡水和能源短缺的担忧。然而，如何将所需的功能有效地集成到同一设备中以降低系统的复杂性并减轻其对太阳能的依赖以实现全时运行仍然是一个巨大的挑战。在这项工作中，基于还原氧化石墨烯（RGO）/Mn 3 O 4 /Al 2 O 3复合纳米材料的多功能器件通过有效的太阳能-热-电集成的不对称策略实现，可以通过水蒸发来诱导发电。光的存在/不存在。在一次太阳照射下，太阳能驱动的蒸发速率和输出电压分别为1.74 kg m -2 h -1和0.778 V。更引人注目的是，多器件串联集成的九栅蒸发/发电阵列具有体积小、蒸发面积大、发电量高的优点，并且可以点亮发光二极管（LED），为规模化生产和应用。基于RGO/Mn 3 O 4 /Al 2 O 3复合蒸发/发生器的高光热转换效率和发电能力，它将成为未来可持续能源开发和应用的一种有前景的能量转换装置。
更新日期：2023-09-22
中文翻译：
采用不对称策略实现太阳能-热-电一体化蒸发器九栅阵列，同时收集清洁水和电力
水蒸发是一个普遍存在的自发相变过程。利用太阳能驱动的界面水蒸发，同时获得洁净水和发电，可以有效缓解人们对淡水和能源短缺的担忧。然而，如何将所需的功能有效地集成到同一设备中以降低系统的复杂性并减轻其对太阳能的依赖以实现全时运行仍然是一个巨大的挑战。在这项工作中，基于还原氧化石墨烯（RGO）/Mn 3 O 4 /Al 2 O 3复合纳米材料的多功能器件通过有效的太阳能-热-电集成的不对称策略实现，可以通过水蒸发来诱导发电。光的存在/不存在。在一次太阳照射下，太阳能驱动的蒸发速率和输出电压分别为1.74 kg m -2 h -1和0.778 V。更引人注目的是，多器件串联集成的九栅蒸发/发电阵列具有体积小、蒸发面积大、发电量高的优点，并且可以点亮发光二极管（LED），为规模化生产和应用。基于RGO/Mn 3 O 4 /Al 2 O 3复合蒸发/发生器的高光热转换效率和发电能力，它将成为未来可持续能源开发和应用的一种有前景的能量转换装置。
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