# Model sharing

**URL:** https://pybamm.discourse.group/c/model-sharing/5.md

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## [About the Model sharing category](https://pybamm.discourse.group/t/about-the-model-sharing-category/12)

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**Author:** [@pybamm](https://pybamm.discourse.group/u/pybamm)\
**Replies:** 0\
**Last updated:** [6 November 2024 14:00 UTC](https://pybamm.discourse.group/t/about-the-model-sharing-category/12 "2024-11-06T14:00:48Z")

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Category for our community to share the standalone models they create, so other people can use them, discuss them and vote them up. The guidelines is to create a new post for each new model, and that the initial post sh…

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## [How to precompute and supply a parameter-dependent 2D boundary lifting field (Robin BCs) in PyBaMM? ](https://pybamm.discourse.group/t/how-to-precompute-and-supply-a-parameter-dependent-2d-boundary-lifting-field-robin-bcs-in-pybamm/464)

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**Author:** [@himanshu](https://pybamm.discourse.group/u/himanshu)\
**Replies:** 0\
**Last updated:** [11 April 2026 14:13 UTC](https://pybamm.discourse.group/t/how-to-precompute-and-supply-a-parameter-dependent-2d-boundary-lifting-field-robin-bcs-in-pybamm/464 "2026-04-11T14:13:31Z")

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Hi PyBaMM team, I’m working on a custom x-lumped (y–z) thermal submodel for a pouch cell based on a Chebyshev–Galerkin reduced formulation (DOI: doi.org/10.1109/TPEL.2020.3027561). The approach introduces a boundary “li…

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## [SPMe modelling using Base Model](https://pybamm.discourse.group/t/spme-modelling-using-base-model/91)

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**Author:** [@Saketh](https://pybamm.discourse.group/u/Saketh)\
**Replies:** 2\
**Last updated:** [28 March 2025 10:18 UTC](https://pybamm.discourse.group/t/spme-modelling-using-base-model/91 "2025-03-28T10:18:53Z")

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Hello, I am trying to create SPMe model using the final equations from Marquis2019 with the help of pybamm.base\_model() to get a better feel of creating models in pybamm. But I am unable to match the electrolyte dynamics…

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## [Hierarchical DNF Half-Cell model](https://pybamm.discourse.group/t/hierarchical-dnf-half-cell-model/220)

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**Author:** [@Ombrini](https://pybamm.discourse.group/u/Ombrini)\
**Replies:** 0\
**Last updated:** [6 March 2025 18:11 UTC](https://pybamm.discourse.group/t/hierarchical-dnf-half-cell-model/220 "2025-03-06T18:11:21Z")

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New Hierarchical DFN Model in PyBaMM Hi everyone, I’ve implemented a Hierarchical DFN (H-DFN) model in PyBaMM. This model introduces a hierarchical particle structure, where each secondary particle is composed of prim…

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## [Sodium-ion battery model](https://pybamm.discourse.group/t/sodium-ion-battery-model/26)

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**Author:** [@valentinsulzer](https://pybamm.discourse.group/u/valentinsulzer)\
**Replies:** 0\
**Last updated:** [12 November 2024 17:23 UTC](https://pybamm.discourse.group/t/sodium-ion-battery-model/26 "2024-11-12T17:23:49Z")

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Model description This is the standard DFN but with parameters for a sodium-ion battery with a NVPF cathode and hard carbon anode. Link to model: Model, Parameters Reference: Chayambuka, Kudakwashe, et al. “Physics-ba…