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.
维普
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