Master's thesis (m/f/d) Modeling of gas evolution and venting in lithium-ion cells at Thermal Runaway

Dr. Ing. h.c. F. Porsche AG • Weissach • 1d ago

Tasks

Development and implementation of a model to describe:

Thermally induced gas release (e.g., due to electrolyte, binder, or SEI decomposition) Accumulation of gas pressure inside the cell Activation of the safety valve (venting) Optionally, initial steps towards flow simulation of vent gas release (CFD) can also be taken.

Research tasks:

Literature research on gas formation reactions and venting in LIBs Development of a coupled thermal-chemical model (e.g., in Python, COMSOL, MATLAB) Implementation of temperature- and time-dependent gas generation rates using Arrhenius kinetics Modeling of pressure accumulation within a cell Simulation-based prediction of venting activation (depending on opening pressure and gas volume) Optional: CFD-based investigation of gas release or flame formation (OpenFOAM or FDS)

Requirements

Degree programs:

Mechanical Engineering Automotive Engineering Physics Electrochemistry Computational Science or similar

Areas of focus:

Electrochemical Energy Storage Numerical Simulation or similar

Technical skills:

Knowledge of thermodynamics, reaction kinetics, or electrochemistry

IT skills:

Experience with simulation software (e.g., COMSOL, Ansys, MATLAB, or Python) desirable

Language skills:

German English

Soft skills:

Independent, structured working style For more detail, salary and company information, use the apply link

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