中文摘要：

论文综述了熔盐的概念、发展历史、分类、特点和应用。系统归纳了典型的熔盐,着重阐述了熔盐在材料制备及加工、能源、生物质热裂解等技术领域的主要应用,提出了熔盐在使用过程中存在的挑战并展望了其发展趋势。

英文摘要：

This paper reviews the concept, development history, classification, characteristics and application of molten salt. The review mainly includes the summarization of typical molten salt, and the chief application of it in the technical fields of materials preparation and processing, energy, biomass pyrolysis and others. Finally, the challenges in the use of molten slat and the development trend are put forward.