全钒液流电池电堆技术研究现状与趋势展望
Research status and trend prospects of all-vanadium redox flow battery stack technology
系统综述了电极与离子交换膜的技术研究进展。电极方面,重点探讨了碳基材料的含氧基团活化、杂原子掺杂、金属及其氧化物修饰和纳米碳材料修饰策略,以提升电化学活性和反应动力学。离子交换膜方面,围绕Nafion膜的改性及非氟型阳离子交换膜、阴离子交换膜、两性离子交换膜和微孔膜新体系,分析了其在离子选择性与传导率方面的优化路径。最后展望了材料-结构协同设计的发展方向,以推动全钒液流电池的规模化储能应用。
The research progress of electrode and ion exchange membrane technology was systematically reviewed.In the aspect of electrode,the strategies of oxygen-containing group activation,heteroatom doping,metal and its oxide modification and nano-carbon material modification of carbon-based materials were mainly discussed to improve the electrochemical activity and reaction kinetics.In the aspect of ion exchange membrane,the optimization path of ion selectivity and conductivity was analyzed around the modification of Nafion membrane and the new systems of non-fluorinated cation exchange membrane,anion exchange membrane,zwitterionic exchange membrane and microporous membrane.Finally,the development direction of material-structure collaborative design is prospected to promote the large-scale energy storage application of all-vanadium redox flow battery.
全钒液流电池 / 电堆 / 电极 / 离子交换膜 / 材料改性
all-vanadium redox flow battery / stack / electrode / ion exchange membrane / material modification
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国家自然科学基金项目(52464029)
国家自然科学基金项目(51964028)
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