HORIZON-CL5-2023-D2-01-04 : Battery management system (BMS)

Battery management system (BMS) and battery system design for stationary energy storage systems (ESS) to improve interoperability and facilitate the integration of second life batteries (Batt4EU Partnership).

This topic aims at developing an open and interoperable BMS and suitable battery system design for stationary ESS, enabling a better integration of second life applications for used batteries. To strengthen European battery production ecosystem, projects are encouraged to implement batteries produced in Europe, especially with respect to 1st life batteries, at large or pilot plant scale.

In order to fulfil these objectives, activity in all of the following fields is expected:

  • The BMS could be used for first and second life batteries in stationary applications, e.g., microgrids, uninterrupted power supply, hybrid (different types of chemistries and batteries, multi-battery management systems) and circular power system, ensuring safety during operation.
  • The BMS and system design should be technology agnostic and not exclusive to second life EV batteries and should ideally cover consolidated technologies as well as new battery technologies. Pending amendments to Renewable energy directive to be taken into account regarding BMS development.
  • Development and validation of open-source algorithms and BMS, allowing for the integration of second life batteries including approaches as semi-empirical, data-driven, and multi-physics supported battery state estimators. Recommendations for the development of standards related to the battery state defining parameters, e.g., State of Health and safety assessment at the end of first life applications.
  • Development of BMS software that can be adapted via firmware update to other communication protocols, estimation algorithms and models.
  • Development of functionalities focused on increasing the reliability during the second life application, e.g., prediction of remaining useful life, self-diagnostic algorithm for assessment of second life use suitability and BMS connectivity to track batteries during second life application.
  • Recommendation to standardisation of a BMS public structure and access to public SOX in order to ease the second use of a battery. The goal is expected to lead to an agreement of a minimum set of data requirements, duly justified, to be provided by the batteries and let the industry define the best procedure to provide this set of data and link up with battery passport concept.
  • Development and demonstration of strategies to recombine optimally and safely used batteries to be operated in second life, with special focus on advanced critical event control and mitigation systems. Recommendations for standardisation of second life battery system design for stationary applications based on packs, type of chemistry and cell.
  • Design of accessible and adaptable BMS in order to customize the BMS to the requirements of the second life use case, including improved battery models for improved BMS design.
  • Demonstration of battery operation in second life use according to TRL6.
  • Projects are expected to share information with projects emanating from topic HORIZON-CL5-2023-D2-02-03 where relevant and conform to all relevant EU standardisation requirements.
  • The proposal should take into account pending amendments to the Renewable Energy Directive, including Article 20A dealing with access to battery SOX information.
  • Proposals are expected to establish links with the results of the following topics – HORIZON-CL5-2022-D2-01-09: Physics and data-based battery management for optimised battery utilisation (Batteries Partnership), HORIZON-CL5-2022-D2-01-10: Streamlined collection and reversed logistics, fully automated, safe and cost-efficient sorting, dismantling and second use before recycling (Batteries Partnership) and HORIZON-CL5-2022-D2-01-05: Next generation technologies for High-performance and safe-by-design battery systems for transport and mobile applications (Batteries Partnership), LC-SC3-ES-6-2019 – Research on advanced tools and technological development. They should specifically address BMS and system design issues that affect stationary Energy Storage Systems (ESS) and in particular, the integration of used batteries as a second life application.

Conditions d'éligibilité


Lump Sum.
Taux entreprise : 60%

Informations sur le projet

Date limite : 18 . 04 . 2023 à 12:00


  • PME
  • ETI
  • Groupe
  • Académique

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