Importance

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Abstract

The disclosure discloses a redox flow battery stack and a redox flow battery system having the same, wherein the redox flow battery stack includes: flow frames, flow plates arranged inside the flow frame, ion exchange membranes arranged between the flow plates and forming a cavity for accommodating electrolyte with the flow plate, and electrodes arranged inside the cavity, wherein two groups of flow ports are provided on the sides of the flow frame, each group of flow ports includes: a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet in each group of flow ports are provided in the manner of one-to-one correspondence and are interconnected with a corresponding cavity; the redox flow battery stack further includes: electrolyte pipelines, the liquid inlet and the liquid outlet in each group of flow ports respectively have a corresponding electrolyte pipeline and interconnect with the corresponding electrolyte pipeline. The disclosure provides a redox flow battery stack, with simple assembly, simple follow-up operation of maintenance and low cost, and provides a redox flow battery system having the redox flow battery stack, thereby effectively solving the problems of complex assembly and complex follow-up operation of maintenance in the conventional art.

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First Claim