Unit cell for redox flow battery, for reducing pressure drop caused by electrolyte flow in stack
AssigneeH2, Inc.
InventorsShin HAN, Chang Hoon HAN, Jee Hyang HUH, Yujong KIM
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Abstract
Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.
Claims12
A redox flow battery stack comprising:
- an ion-exchange membrane (1000);
- two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively;
- two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively;
- and
- electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively,
- wherein the cavities of the flow frames include at least two cavities (2610A, 2620A) in which at least two electrodes (3100A, 3200A) are disposed, and
- in each flow frame, at least three furrows in which the electrolyte flows, are formed between the at least two electrodes (3100A, 3200A) and outer frame (2700A), respectively.
Dependencies are inferred from the claim text.