Extending the Doyle-Fuller-Newman model for Phase-Separating Materials

IonWorks

Authors: Ionworks For several decades, the Doyle-Fuller-Newman model has been the cornerstone of computational battery modeling, design, and optimization. Since the model was developed based on an assumption of Fickian diffusion in the solid active material particles, the equilibrium state in a DFN model is an electrode of compositionally homogeneous particles. While this is appropriate … Read more

Mapping Pouch Cell Pressure Distribution in Operando

Schematic experimental setup: The pouch cell (orange) and pressure mapping sensor (blue) are situated between the compression pads (black) and CompreCell Pouch cell fixture (grey).

CompreCell Pouch x TekScan Sensor Author: rhd instruments GmbH & Co. KG Post based on an application note for which that and a full summary are now available: rhd-instruments.de magazine Introduction The pressure applied to pouch cell batteries is key to their performance and cycle life [1, 2, 3, 4]. One of two modes of … Read more