Battery Information Format (BIF) for light electric vehicles (LEVs)

Background and objectives

Electrification demands that batteries are used longer and more intelligently. Today, standardized and easily accessible information about battery history is often missing, making it difficult to assess their condition and potential for reuse. As a result, many batteries are recycled or landfilled even though they could have been given a second life.

The project therefore develops a Battery Information Format (BIF) designed from the outset to support predictive models and digital twins. By providing standardized data optimized for ageing and lifetime modelling, the risks associated with buying and using second‑hand batteries are reduced.

With large‑scale data collection from Voi’s fleet of e‑scooters, we can systematically optimize a data‑driven BIF that both reduces the amount of data required and enables high‑accuracy predictions of battery degradation. The outcome will strengthen circular flows, reduce uncertainty in the second‑hand market, and promote more sustainable battery material streams.

SEEL´s role in the project

SEEL is responsible for defining the test matrix and conducting long‑term measurements on the battery cells used by Voi. Through controlled cycling tests and detailed analysis of degradation data, SEEL complements Voi’s field data and contributes to the development of robust battery ageing models.

The work includes:

• Design of the test matrix and testing methodology
• Execution of extensive cycling and ageing measurements
• Analysis of cell degradation and integration of the results into model development
• Support in developing a functional and industry‑relevant BIF format

This provides the project with a solid foundation, enabling the development of an information format that can benefit the entire industry.