Ionic liquids as advanced heat transfer fluids in renewable energy systems

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-08-30 DOI:10.1016/j.solmat.2025.113934

Rui Jiang , Yanhong Guo , Xinru Guo

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Abstract

As the demand for efficient and sustainable heat transfer solutions continues to grow, ionic liquids (ILs) have emerged as a promising alternative to conventional fluids. This review explores the multifaceted role of ILs as heat transfer fluids (HTFs), emphasizing their classification, thermophysical property modulation through nanoparticle integration, and environmental sustainability considerations. The discussion includes the biodegradability and ecotoxicological profiles of ILs, alongside containment and recovery strategies, while also assessing their economic feasibility compared to alternative HTFs. The application of ILs in renewable energy systems, particularly in solar power and absorption refrigeration, is examined, highlighting innovations that enhance system efficiency and thermal energy storage integration. Additionally, the review addresses other industrial applications, including manufacturing, heat exchangers, and geothermal energy utilization, while identifying practical challenges such as crystallization, corrosion, and viscosity issues. Finally, future directions are outlined to overcome production costs, material compatibility, and safety concerns, positioning ILs as a promising solution in the quest for efficient and sustainable heat transfer technologies.

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离子液体作为可再生能源系统中的先进传热流体

随着对高效、可持续传热解决方案的需求不断增长，离子液体（ILs）已成为传统流体的一个有前途的替代品。这篇综述探讨了il作为传热流体（HTFs）的多方面作用，强调了它们的分类、通过纳米颗粒集成的热物理性质调节以及环境可持续性考虑。讨论包括生物降解性和生态毒理学概况，以及控制和回收策略，同时还评估了与替代HTFs相比的经济可行性。研究了ILs在可再生能源系统中的应用，特别是在太阳能和吸收式制冷方面，强调了提高系统效率和热能储存集成的创新。此外，该综述还讨论了其他工业应用，包括制造业、热交换器和地热能利用，同时确定了结晶、腐蚀和粘度等实际挑战。最后，概述了未来的发展方向，以克服生产成本，材料兼容性和安全问题，将ILs定位为寻求高效和可持续传热技术的有前途的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.