Digital battery passport test environment goes online

From February 2027, the European Union will introduce new transparency requirements for batteries under the Battery Passport initiative. Affected parties include manufacturers, battery providers, recycling companies, and software service providers. The digital product passport will provide information across the entire battery lifecycle – from technical specifications and usage to recycling – thereby strengthening the circular economy.

In preparation for these new requirements, the partners in the BatteryPass-Ready project have launched a digital test environment. This platform allows companies to verify the completeness and compliance of their data with EU regulations, as well as to test the functionality of their battery passport solutions in realistic scenarios.

At launch, the platform includes data validation and eleven test scenarios that simulate interactions between various stakeholders in the battery ecosystem. The data validation covers different battery categories, including traction batteries for electric vehicles; industrial batteries with a capacity of more than two kilowatt-hours; plus batteries for light electric vehicles such as e-bikes. Additional testing modules are planned for future updates.

In addition to data validation, the platform prioritises the interoperability of different systems. The test environment simulates requests from external stakeholders and checks whether battery passport data is provided in full, in the correct format, and in accordance with access rights. Test results are displayed immediately, enabling companies to refine their solutions during development.

According to the project leads, the platform was developed in collaboration with more than 100 associated and supporting partners. It will be continuously expanded to serve as a central point of contact as regulatory requirements and technical standards for the battery passport evolve.

“One of the biggest challenges for providers and manufacturers is the highly dynamic environment: regulation, standardisation, and implementation of the battery passport are progressing in parallel,” said project leader Thomas Knothe, who heads the Business Process and Factory Management department at the Fraunhofer Institute for Production Systems and Design Technology IPK. “The test environment now offers stakeholders a fixed point of reference, which already provides the most important test scenarios today and will be continuously expanded with new ones. This allows companies to test and adapt their solutions for completeness and interoperability in good time, without losing valuable time.”

Preparation for the battery passport is already underway in several industrial projects. Earlier this year, BMW and battery cell manufacturer CATL announced that they would trial data exchange in joint pilot projects to prepare for the battery passport, which becomes mandatory in 2027. Among other goals, the aim is to implement EU regulatory requirements early and facilitate cross-border battery data exchange.

The digital battery passport is seen as a pioneer for further digital product passports, which are to be introduced as part of European circular economy and sustainability regulations. Insights gained from the test environment will therefore also inform the development of future product passport systems.

acatech.de (DE)