Electrical Model of a Membraneless Micro Redox Flow Battery—Fluid Dynamics Influence

Membraneless micro redox flow batteries are an incipient technology that has been shown to extend some properties of traditional batteries. Due their microfluidic scale and the absence membrane, fluid dynamics operation is critical in electrical response. In this work, model established evaluate influence on three battery performance metrics: steady-state power, power transient dynamics, mixing self-discharge losses. First, equivalent circuit, derived from a state-of-the-art regular defined by studying changes its impedances source, aggregating it as variable. Then, empirical data used demonstrate proposed equations defining variation response relative parameters identified with grey box methods. The incorporates interphase position, extending conventionally expressions, such Faraday textasciiacute s Law Nersnt equation, for membraneless analysis. A built, which becomes effectively relevant intermittent applications (such many renewable energy storage ones). Finally, losses evaluated state charge at outputs cell, using spectrophotometry measurements, compared flowmeter values. This demonstrates flow-rate values can provide precise quantification these dependent analyses be fluidic operation.