![]() ![]() The latest trend in high-fidelity battery modeling is to model the structure of the porous electrodes in detail, in so-called heterogeneous models. For this model, the Baker-Verbrugge diffusion model exhibits a pronounced effect of "staging" between the concentrations 9000 to 11000 mol/m 3.Īpplication Library path: Batteries_&_Fuel_Cells_Module/Batteries,_Lithium-Ion/li_battery_multiple_materials_1d New Tutorial Model: Heterogeneous Li Battery Cooling is defined using an ambient temperature parameter and a heat transfer coefficient.Ĭoncentration profiles in a lithium-ion battery electrode particle. The app also computes the battery temperature, assuming a uniform internal battery temperature, based on the generated heat and the thermal mass. The load cycle is a charge-discharge cycle using a constant current load, which may be different for the charge and discharge stages. ![]() In the app, you can control various battery-design parameters, such as: the geometrical dimensions of the battery canister the thicknesses of the different components (separator, current collectors, and electrodes) the positive electrode material and the volume fractions of the different phases of the porous materials. The app computes the capacity, energy efficiency, heat generation, and capacity losses due to parasitic reactions of a lithium-ion battery for a specific load cycle. The new Battery Designer application can be used as a design tool to develop an optimized battery configuration for a specific use. Learn more about these batteries and fuel cells features below. For users of the Batteries & Fuel Cells Module, COMSOL Multiphysics ® version 5.3a includes a new application for designing lithium-ion batteries, a new Baker-Verbrugge diffusion model, and two new battery tutorials. ![]()
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