纳流控反电渗析盐差发电性能的影响因素

Factors on Performance of Nanofluidic Reverse Electrodialysis Power Generation

随着微纳米技术的发展和材料的日新月异,利用反电渗析技术获取海洋/河水之间的盐差能成为近几年的研究热点。反电渗析盐差发电具有结构简单、无污染、原料可循环等优势。本文着重研究在一定的浓度差下,膜上基本单元纳米孔中的离子输运特性。通过探究纳米孔几何因素、对流和温差对盐差发电的影响,解释基于纳米孔盐差发电的内在物理机制。研究结果有助于理解盐差发电的物理机理,也可为提高纳米孔盐差发电性能提供理论指导。

Nanofluidic reverse electrodialysis for harvesting salinity gradient energy has become one of the hot topics in recent years,which has advantages such as simple structure,no pollution,and recycled raw materials.This paper focuses on the transpor of ions in the nanopores under a certain ion concentration difference.By exploring the influences of nanopore geometric factors,convection and temperature difference on salinity gradient power generation,it qualitatively explains the hehind physical mechanisms of nanopore-based power generation.The results present the most intuitive understanding for beginners studying the theory of nanopore-based reverse electrodialysis power generation,and provide theoretical guidance for improving the performance of nanoporesbased power generators.