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Published June 8, 2021 | Version 21.11
Software Open

Python Battery Mathematical Modelling (PyBaMM)

Authors/Creators

Description

Features
  • The name of a parameter set can be passed to ParameterValues as a string, e.g. ParameterValues("Chen2020") (#1822)
  • Reformatted SEI growth models into a single submodel with conditionals (#1808)
  • Stress-induced diffusion is now a separate model option instead of being automatically included when using the particle mechanics submodels (#1797)
  • Experiments with drive cycles can be solved (#1793)
  • Added surface area to volume ratio as a factor to the SEI equations (#1790)
  • Half-cell SPM and SPMe have been implemented (#1731)
Bug fixes
  • Fixed sympy operators for Arctan and Exponential (#1786)
  • Fixed finite volume discretization in spherical polar coordinates (#1782)
  • Fixed bug when using Experiment with a pouch cell model (#1707)
  • Fixed bug when using Experiment with a plating model (#1707)
  • Fixed hack for potentials in the SPMe model (#1707)
Breaking changes
  • The chemistry keyword argument in ParameterValues has been deprecated. Use ParameterValues(chem) instead of ParameterValues(chemistry=chem) (#1822)
  • Raise error when trying to convert an Interpolant with the "pchip" interpolator to CasADI (#1791)
  • Raise error if Concatenation is used directly with Variable objects (concatenation should be used instead) (#1789)
  • Made jax, jaxlib and the PyBaMM JaxSolver optional (#1767)

Notes

If you use PyBaMM, please cite it as below.

Files

pybamm-team/PyBaMM-v21.11.zip

Files (12.7 MB)

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Additional details

Related works

Is supplement to
https://github.com/pybamm-team/PyBaMM/tree/v21.11 (URL)