INTERDIGITATED FLOW FIELD WITH DIFFERENT RIB HEIGHTS FOR FLOW BATTERY REACTORS WITHOUT POROUS ELECTRODES

A redox flow battery includes a flow field having ribs that define inlet channels interdigitated with outlet channels. A first rib is flush with a reference plane and a second rib is also provided that is shorter in height than the first rib. The second rib borders each of the inlet channels and each of outlet channels and an electrolyte over-rib-flow space is defined between a top surface of the second rib and the reference plane.