Determination of the diffusion coefficient of an inserted species in a host electrode with EIS, PITT and GITT techniques

EC-Lab – Application Note #71 11/2021 Last revised 11/2021 DC and AC characterization of a Vanadium Redox Flow Battery (VRFB) using a Pinflow 20 cm² test lab cell I. Introduction II. Redox Flow Batteries (RFBs) stand out from all electrochemical…

Application Area: Fundamental Ohmic Drop Part 2 – Measurement Keywords 𝑅 = Uncompensated resistance; Ohmic drop determination; Ohmic drop compensation Summary In a previous application note, the concepts of ohmic drop (or uncompensated resistance) and ohmic resistance were explained and…

Application Area: Batteries Determination of the binary diffusion coefficient of a battery electrolyte Keywords Batteries, electrolytes, MacMullin number, separator, binary diffusion coefficient, tortuosity Microcell HC setup was used. The design of the measuring cell is shown as the schematic drawing…

Application Note AN-BAT-016 EIS at different states of charge with INTELLO Study the internal components of battery at a range of conditions with electrochemical impedance spectroscopy (EIS) A battery's state of charge (SOC) represents the this relationship. By monitoring resistance…