Steering group to guide open battery parameter exchange
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Organisations from across Europe have come together to form a steering group for an open battery parameter exchange (BPX) for modelling lithium ion cells.
BPX is an open standard for physics-based lithium-ion battery models that has been developed to reduce costs and streamline battery model supply chains through a common definition of physics-based battery modelling parameters that can be used widely across industry.
AVL, BMW Group, Fortescue ZERO, SINTEF and TNO, will form the group, which will also include UK battery start-ups and Faraday Institution researchers.
The Steering Group comprises experienced battery modellers from a wide range of leading companies and research institutions that will advise the Faraday Institution on strategy for the future evolution of the BPX standard, including review of the feature roadmap.
This is intended to link research to industrial requirement for battery development for electric vehicles. The latest version of the BPX, 1.0, includes updates to the definition of a specific supported equation set for single particle models with electrolyte as well as support for a general single-state hysteresis model and thermodynamic degradation modes. There is a dedicated section for “initial state” parameters and more flexibility in user defined parameters than the previous version.
“BMW Group is pleased to be supporting the development of battery modelling standards to mature industry’s use of modelling tools towards cost and efficiency gains,” said Edwin Knobbe, BMW Group
The Steering Group comprises:
- Dr Simon Clark, Senior Research Scientist, SINTEF (Norway) one of Europe’s leading independent research organisations, and lead developer of the BattINFO ontology.
- Dr Edmund Dickinson, Head of Electrochemistry, About:Energy, a battery technology company accelerating electrification with precise cell data and advanced simulation tools.
- Professor David Howey, Department of Engineering Science, University of Oxford and Co-investigator on the Faraday Institution’s Multi-Scale Modelling project.
- Dr Edwin Knobbe, BMW Group (Germany).
- Dr Ivan Korotkin, Southampton University, Lead Developer of DandeLiion.
- Tom Maull, Technical Strategy Manager, Elysia – Battery Intelligence from Fortescue (formerly WAE), a leading battery intelligence software offering based in the UK.
- Dr Robert Timms, Co-founder & CTO, Ionworks, a start-up battery simulation software platform from the creators of PyBaMM.
- Dr Robert Triebl, Simulation Software Development Engineer, AVL (Austria) – a leading mobility technology company for development, simulation and testing in the automotive industry.
- Dr Steven Wilkins, Senior Research Scientist, TNO, The Netherlands Organisation for Applied Scientific Research.
BPX v0.4 has been available since December 2023, with 330 downloads to date. The standard has been conceived and developed by the Faraday Institution and developed by a small team largely drawn from the PyBaMM and DandeLiion modelling communities, supported as part of the Faraday Institution’s Multi-Scale Modelling project. Two members of the Steering Group – Ionworks and About:Energy – are closely aligned with modelling project.
The Faraday Institution says it will continue to fund the development of the BPX standard as part of its commercialisation activities from its research programmes. In the longer term it is anticipated that BPX will evolve to become a membership-funded standards development organisation, led by an executive board of fee-paying members with the steering group evolving to become a technical advisory board.
Battery modellers are invited to request additional features to be included in BPX via discussions boards in GitHub. The Steering Group will consider these requests and decide which to include in future versions to drive the standard forward.
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