Electrochemical cells, such as those present within flow batteries, can have an electrode and a bipolar plate in at least one half-cell interfacially bonded together with an electrically conductive adhesive. Bonding the bipolar plate to the electrode can decrease contact resistance and sometimes lessen the incidence of parasitic reactions in the electrochemical cell. Flow batteries containing these features can include: a first half-cell containing a first electrode in interfacial contact with a first bipolar plate, a second half-cell containing a second electrode in interfacial contact with a second bipolar plate, and a separator disposed between the first half-cell and the second half-cell. An electrically conductive adhesive interfacially bonds at least one of the first electrode to the first bipolar plate and the second electrode to the second bipolar plate. Each electrode maintains fluid communication with its corresponding bipolar plate.