用于协同生产水,发电和灌作物的热管理系统
Meng Wang1, Zixiang He1, Haixing Chang2
1State Key Laboratory of Urban-rural Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150040, People's Republic of China.
Nano-micro letters
|September 2, 2025
概括
这项研究提出了一种全天供水,能源和粮食生产的新型综合系统. 它实现了高太阳能海水淡化率和发电,同时也实现了可持续的作物种植.
科学领域:
- 材料科学
- 可再生能源工程
- 环境科学
背景情况:
- 可持续的水,能源和粮食供应对人类社会至关重要.
- 太阳能驱动的界面蒸发为世界经济论坛的危机提供了有前途的解决方案,但由于天气变化而面临性能限制.
- 现有的系统难以连续运行和有效整合水,电力和食品生产.
研究的目的:
- 开发一个集成的水/电联合发电培养系统,并加强热管理,以持续供应WEF.
- 优化储能蒸发器以实现可持续的海水淡化和高效的热管理.
- 展示一个全天太阳能水生产,发电和作物种植的综合解决方案.
主要方法:
- 设计和制造了一种使用微囊/水凝复合材料进行增强热管理的储能蒸发器.
- 使用反向电透析 (RED) 来利用淡化过程中产生的盐度梯度能量用于电力生产.
- 整合了使用排水系统的农作物灌平台,以实现可持续的小麦种植.
主要成果:
- 在黑暗中实现了高太阳蒸发率~1.91 kg m-2 h-1 和0.54 kg m-2 h-1 ,证明了有效的热管理.
- 通过RED产生约0.3Wm-2的功率,远高于传统方法.
- 在没有二次污染物的系统排水的情况下成功种植小麦,并展示了无的WEF整合.
结论:
- 拟议的综合系统提供了一种全天太阳能水生产,发电和农作物灌的新方法.
- 该系统展示了卓越的热管理和能量转换效率,解决了现有的太阳能驱动技术的局限性.
- 这项工作为可持续发展和资源管理提供了可行的蓝图.
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