高温熔融盐具有CO₂吸收容量大、电化学窗口宽、高温下反应动力学快等特点,是利用清洁电能大规模捕集和资源化利用CO₂颇具实用化潜力的电解液体系. 本文主要介绍作者课题组近十年关于高温熔盐CO₂捕集与电化学资源化转化(MSCC-ET)技术的相关研究工作,包括熔融盐电解质对CO₂的吸收、阴极过程动力学、电解条件对产物的影响、析氧阳极、电解过程能量效率和CO₂捕获潜力,并展望了MSCC-ET技术的发展前景.

The molten electrolytes exhibit high CO₂ absorption capacities, wide electrochemical windows and excellent reaction kinetics, which are promising electrolyte candidates for efficient capture and electrochemical conversion of high-flux CO₂ driven by renewable and clean electricity sources. This short review introduces the recent advancements of CO₂ electroreduction achieved by the authors using molten salt CO₂ capture and electrochemical transformation (MSCC-ET) technology, involving CO₂ absorption kinetics, cathodic kinetics, controllable synthesis of carbon products with unique nanostructures, development of inert oxygen evolution anodes and CO₂ conversion efficiency as well as energy efficiency. The challenges and prospects are also discussed based on the critical review.