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DOE Making EV Batteries More Efficient

One year into a U.S. Department of Energy (DOE) funded project, ANSYS, General Motors LLC, the National Renewable Energy Laboratory (NREL) and ESim are leveraging engineering simulation technology to optimize electric and hybrid vehicle battery performance. The team achieved significant milestones during the past year in support of the DOE’s Computer Aided Engineering for Electric Drive Vehicle Batteries (CAEBAT) project.

The main goal of the CAEBAT project is to incorporate existing and new battery models into engineering simulation software to shorten design cycles and optimize batteries for increased performance, safety and life span. The project is driving EV innovation.

The GM-ANSYS-ESim team’s achievements over the past year include prototyping and validating three electrochemistry modeling approaches. The partners also prototyped a co-simulation feature, which blends battery multiphysics and system simulation technologies that enable engineers to shed unnecessary details and increase simulation efficiency without compromising the accuracy of the model.

NREL expects that the resulting systems will become commercial offerings in about two years. This initiative is funded by DOE’s Vehicle Technologies Program in the Office of Energy Efficiency and Renewable Energy.

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