Redox flow battery technology is a new electrical energy storage technology with virtues of high efficiency and large scale. It can meet the great demands of promoting the wide application of the renewable resources, pushing the construction of smart grid and achieving the target for energy saving and emission reduction. In this paper, we focus on the introduction to the working principles, characteristics, R&D progress and development trend of the all-vanadium, sodium polysulfide/bromine and zinc/bromine redox flow batteries. Also we discuss other types of flow batteries. Finally, the key problems limiting the technology development are pointed out and the suggestions for future research are given.%液流储能电池技术是一种高效、大规模电化学储能技术,在风能、太阳能等可再生能源发电、智能电网建设等方面有着广阔的应用前景.本文重点对全钒、多硫化钠-溴和锌-溴液流储能电池的工作原理、特点、国内外研究现状及发展趋势进行了综述,并对其他探索性液流储能电池体系进行了介绍.最后,提出了制约液流储能电池技术发展瓶颈问题,展望了液流储能电池未来发展趋势.
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