全钒液流电池用离子交换膜的研究进展

Development of ion exchange membrane for all-vanadium redox flow battery

由于全钒氧化还原液流电池(VRB)具有大规模储能和稳定发电的特点,引起了国内外的广泛关注。离子交换膜(IEM)是VRB中的重要组件,它不仅要隔开阴阳极电解液,而且还要传输离子以构成闭合回路。对全钒液流电池用离子交换膜做了系统介绍。从离子交换膜的基本功能出发,详细阐述了近年来国内外全钒液流电池用离子交换膜的研究进展及目前面临的问题,并展望了全钒液流电池大规模商业化应用的前景。

The all-vanadium redox flow battery （VRB） has received wide attention due to its excellent features for large-scale energy storage and stable power generation. As a key component in VRB, the ion exchange membranes （IEMs） not only separate the electrolyte, but also conduct ions to form charge-discharge circuit. In this work, an overview is presented for the various IEMs research of the vanadium redox flow battery. Relevant published work is summarized and critically discussed. The limitations and technical challenges in the ion exchange membranes are also discussed and further research opportunities are prospected.