Abstract: In accordance with some embodiments, a buck-boost circuit is contemplated which is bi-directional. That is, the buck-boost circuit be configured to produce a load voltage for a load responsive to a source voltage from a voltage source, and the buck-boost circuit may also be configured to produce a charging voltage for the voltage source responsive to a second voltage source connected to the load. In an embodiment, the buck-boost circuit may be operating in boost mode when providing the load voltage and may be operating in buck mode when providing the charging voltage.

Abstract: A flow-field plate for a flow stack in a flow cell battery system is described. The flow-field plate includes first electrolyte channels formed in a molded plate to direct a first electrolyte to a first flow-field on a first side of the molded plate and second electrolyte channels formed in the molded plate to direct a second electrolyte to a second flow-field on the second side of the molded plate.

Abstract: A method for operating an electronic system with a dongle is provided. In some embodiments, the method includes receiving system information from system components. The method further comprises continuing or ceasing to operate the electronic system based upon the system information; and writing system information to the dongle.

Abstract: A Flow Cell System that utilizes a Vanadium Chemistry is provided. The flow cell system includes a stack, electrolyte heat exchangers, and a controller executing a state machine.

Abstract: A stacked cell for a flow cell battery is presented. The stacked cell is sealed by a gasket between individual components. The gasket is formed such that it seals against leakage of electrolytes and facilitates the flow of electrolytes through the stacked cell. Further, the gasket is formed to minimize the linear expansion of the gasket material with temperature.

Abstract: A start-up plating process for a flow cell battery is disclosed. Upon start-up of the flow-cell stack, catalysts may have deplated from the electrodes. The catalyst is replated to the electrode by application of currents to the stack prior to circulating electrolyte fluids.

Abstract: An apparatus and method for monitoring energy storage devices is disclosed. A monitoring system that monitors an energy storage device collects and stores operating data from the device and relays that data through a communications system to one or more servers. The servers can store the operating data from each of the monitored energy storage devices.

Abstract: A controller for controlling a flow cell battery system is provided. The controller operates the flow cell battery system in a plurality of states including a plating state, a charging state and a discharge state.

Abstract: An apparatus and method for monitoring energy storage devices is disclosed. A monitoring system that monitors an energy storage device collects and stores operating data from the device and relays that data through a communications system to one or more servers. The servers can store the operating data from each of the monitored energy storage devices.

Abstract: A method for preparing a redox flow battery electrolyte is provided. In some embodiments, the method includes the processing of raw materials containing sources of chromium ions in a high oxidation state. In some embodiments, a solution of the raw materials in an acidic aqueous solution is subjected to a reducing process to reduce the chromium in a high oxide state to an aqueous electrolyte containing chromium (III) ions. In some embodiments, the reducing process is electrochemical process. In some embodiments, the reducing process is addition of an inorganic reductant. In some embodiments, the reducing process is addition of an organic reductant. In some embodiments, the inorganic reductant or the organic reductant includes iron powder.

Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.

Abstract: A method for bonding a porous flexible membrane to a rigid material is disclosed. In some embodiments, the method includes applying, at a bonding site of the porous membrane, a pre-treatment solvent solution, drying the bonding site of the porous membrane, applying, at a bonding site of the rigid structure, a first solvent that is capable of dissolving a surface of the rigid material, applying, at the bonding site of the porous membrane, a second solvent that is capable of dissolving the polymeric residue material dissolved in the pre-treatment solvent solution, and pressing the porous membrane to the rigid material at their respective bonding sites. In some embodiments, the pre-treatment solvent solution may include a solvent carrying dissolved polymeric residue material configured to fill the pores of the porous membrane at the bonding site of the porous membrane.