Battery panel and vanadium battery

Abstract

The embodiment of the invention relates to the technical field of a vanadium battery, and discloses a battery panel and the vanadium battery. The battery panel comprises a shell, wherein an installation hole is formed in the shell and is used for installing an electrode plate, the shell is provided with a first rubber sealing ring along a part near to an outer circle of the installation hole, and the first rubber sealing ring protrudes out of a surface of the shell. Compared with the prior art, the battery panel has the advantages that the length of the first rubber sealing ring selected by the battery panel is relatively short, thus, the fabrication coat of the first rubber sealing ring is reduced, and the fabrication cost of the vanadium battery is reduced; since the sealing range of the first rubber sealing ring is small, the area of an ion film matched with the first rubber sealing ring also can be correspondingly reduced, the area of the ion film is only enabled to be slightly larger than an encircling area of the first rubber sealing ring, and the first rubber sealing ring can be attached onto an edge of the ion film; and the ion film is very high in cost, thus, the area of the ion film is also reduced, and the manufacturing cost of the vanadium battery is reduced.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of vanadium batteries, in particular to a battery plate and a vanadium battery. Background technique [0002] Liquid flow battery panels are mostly used in vanadium batteries (Vanadium Redox Battery, VRB, Vanadium Redox Battery), which is an electrochemical reaction device that performs redox with vanadium ion electrolytes in different valence states, and can efficiently realize chemical Interconversion between energy and electrical energy. [0003] Specifically, it is based on the vanadium ion V4 + / V5 + and V2 + / V3 + As the redox pair of the positive and negative electrodes of the battery, the positive and negative electrolytes are stored in two liquid storage tanks respectively, and the acid-resistant liquid pump drives the active electrolyte to the reaction site and then returns to the liquid storage tank to form a circulating liquid flow loop. To realize the charging and ...

AI Technical Summary

Problems solved by technology

However, no matter how compressed the spring 4 is, there is a certain space for expansion and contraction. The spring 4 cannot be completely locked by the nut 3, and the spring 4 is deformed. In case of leakage between membranes 8

In addition, if multiple sets of stack components are used to assemble, the middle stack components will sink downward, resulting in misalignment of the flow channel holes of each component, and it is more likely to mix positive and negative liquids, resulting in discharge and system failure.

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