All vanadium redox flow battery structure
A vanadium ion and battery technology, which is applied in the field of battery structure of all-vanadium ion redox flow, can solve the problems of reduced power conversion efficiency, large leakage branch current, shortened battery life, etc., and achieves increased energy conversion efficiency, Stable operation at high voltage and the effect of reducing self-discharge speed
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[0025] Hereinafter, the preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
[0026] The present invention provides a battery structure of all vanadium ion redox flow. A circuitous flow channel is provided in the flow frame, and a perfluorosulfonic acid ion exchange membrane is used in the single cell. The outer surface of the carbon material electrode is The evenly distributed flow channels or troughs are arranged to improve the efficiency of electric energy conversion, enhance the overall performance of the battery structure, and prolong the service life of the battery. Such as figure 1 versus image 3 As shown, the battery structure of the all-vanadium ion redox flow of the present invention includes at least two single cells 8. The single cell 8 includes two flow frames, and each flow frame is as image 3 In the liquid flow frame 21, and an ion exchange membrane 4 is arranged between the two liquid flow fr...
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