Download the BPX Standard
Download the standard and the accompanying parameter descriptions document
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Updates since the last release
- Definition of a specific supported equation set for SPMe
- Support for a general single-state hysteresis model
- Support for thermodynamic degradation modes
- Dedicated section for “initial state” parameters
- More flexibility in user defined parameters
- Use of partial BPX files
- Larger set of allowed operations
Download pack contents
The download pack consists of:
- The standard BPX specification document
- The BPX parameter descriptions document
- Two example files for two cells that are currently available on the open market and which have been professionally parameterised:
- NMC_pouch_cell: Li-ion battery with lithium nickel manganese cobalt (NMC) positive electrode.
- LFP_18650_cell: Li-ion battery with lithium iron phosphate (LFP) positive electrode in a cylindrical cell 18650 format.
To enable easy adoption, tools to parse and validate BPX formatted files are provided separately in the BPX GitHub repository.
Using the standard
The Faraday Institution has made the BPX standard freely available to industrial users experienced in the field via this microsite and will continue to work with industry and the research community to improve and evolve the standard. The Faraday Institution will not assist in, and does not accept any responsibility for, the actual selection and application of the BPX standard by users. All responsibility for selecting, applying, and assessing compliance with the BPX standard lies with the user.
The BPX standard should only be used by those users who are appropriately experienced, qualified and equipped to do so. It should be applied conscientiously and, where necessary, advice should be taken from others qualified to provide it.
The Faraday Institution is not liable for any loss or damage whatsoever arising from the misapplication or the use of the BPX Standard by a user.
