全钒液流电池双极板材料研究进展  

Research progress of bipolar plate materials for vanadium flow battery

作　　者：戴纹硕 郭骞远 陈向南 张华民 马相坤[1] DAI Wenshuo;GUO Qianyuan;CHEN Xiangnan;ZHANG Huamin;MA Xiangkun(College of Transportation Engineering,Dalian Maritime University,Dalian 116026,Liaoning,China;Dalian Institute of Chemical Physics,University of Chinese Academy of Sciences,Dalian 116023,Liaoning,China)

机构地区：[1]大连海事大学,辽宁大连116026 [2]中国科学院大连化学物理研究所,辽宁大连116023

出　　处：《储能科学与技术》2024年第4期1310-1325,共16页Energy Storage Science and Technology

基　　金：国家自然科学基金项目(22379018);中国石油天然气股份有限公司科技项目(2023412)。

摘　　要：全钒液流电池是目前技术成熟度最高的一种液流电池,作为大规模长时储能的首选技术之一,可以实现可再生能源平滑输出,为高比例可再生能源并网应用提供保障。其中,双极板是全钒液流电池的关键部件之一。本文从三种全钒液流电池双极板材料耐腐蚀性、导电性、力学性能及电池特性等角度,首先综述了金属、石墨以及碳塑复合双极板材料的优缺点及其最新研究进展,并根据加工工艺和制造成本两方面,展望了三种双极板材料在全钒液流电池领域的应用前景。然后,结合新型液流电池双极板的结构优化研究,从双极板平板结构扩展到双极板流道和电极-双极板一体化结构,分析介绍了不同新型双极板流道结构设计在不同试验条件下的适用性,并从制备工艺和电池性能等方面分析了电极-双极板一体化结构在全钒液流电池领域中的应用前景。最后,针对全钒液流电池双极板的研究现状,总结展望了相应双极板材料及新型双极板结构设计的技术突破要点,为全钒液流电池双极板的未来发展提供了参考和依据。The vanadium flow battery(VFB),boasting the highest technological maturity,is a prime candidate for large-scale,long-term energy storage,facilitating the seamless integration of renewable energy into grid-connected applications.Bipolar plates are pivotal components of the VFB system.This study comprehensively summarizes the merits,limitations,and research advancements in metal,graphite,and carbon-plastic composite bipolar plates,focusing on their corrosion resistance,conductivity,mechanical properties,and battery characteristics.Moreover,it outlines the application prospects of these three types of bipolar plates in the VFB field,considering the processing technology and manufacturing costs.Furthermore,in conjunction with structural optimization efforts for flow battery bipolar plates,this study analyzes the applicability of flow channel structure designs under various experimental conditions,ranging from flat structures to flow channels,and explores the electrode-bipolar plate integrated structure.It evaluates the potential application prospects of the electrode-bipolar plate integrated structure in the VFB domain,examining aspects such as the preparation processes and battery performance.Finally,considering the current research status of the VFB,this study proposes key focal points for technological breakthroughs in the VFB bipolar plates and structural design.These proposals aim to serve as a reference and foundation for future developments in bipolar plates for VFBs,contributing to the advancement and optimization of the VFB technology for large-scale energy storage applications.

关 键 词：全钒液流电池 双极板 碳塑复合双极板 双极板流道结构 

分 类 号：TK02[动力工程及工程热物理]