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Call key data
Accelerated multi-physical and virtual testing for battery aging, reliability, and safety evaluation (Batt4EU Partnership)
Funding Program
Horizon Europe: Cluster 5 - Climate, Energy and Mobility
Call number
HORIZON-CL5-2026-01-D2-05
deadlines
Opening
16.09.2025
Deadline
20.01.2026 17:00
Deadline - 2nd stage
Opening
22.09.2025
Funding rate
70%
Call budget
€ 15,000,000.00
Estimated EU contribution per project
€ 7,500,000.00
Link to the call
Link to the submission
Call content
short description
This topic aims to reduce development costs and time to market of new battery systems by accelerated multi-physical and virtual testing.
Call objectives
Current test strategies are still very time consuming and costly due to the need to understand the impact of multi-physical operational loads (electric, thermal, mechanical, etc.), potential failure modes, ageing and misuse on the safety and reliability of battery cells and modules.
To overcome these barriers, new multi-physical test strategies supplemented by virtual testing are required taking into account the most impactful parameters on ageing, reliability and safety and their dependencies.
Proposals are expected to address Electric Vehicle (EV) batteries and are encouraged to develop techniques and methodologies which are applicable to other forms of electro-mobility as well as stationary applications (including second life).
Proposals are expected to address and demonstrate all the following activities:
- Understand and describe the impact of multi-physical operational loads, failure modes, ageing and misuse on battery reliability and safety highlighting the dependencies between them in order to design the most adequate testing methods and parameters;
- Derive advanced operating profiles for testing and development of novel X-in-the-Loop (XiL) test environments for multi-physical and accelerated testing addressing electrical, thermal and mechanical loads at the same time;
- Combine physics-based with data-driven test strategies enabling reliable virtual and physical battery testing considering specific applications;
- Develop simplified test strategies reducing the number of tests and their complexity while improving battery safety and reliability. Synergies between different battery chemistries, including next generation battery designs and sizes must be exploited where possible, allowing to re-use or scale test results from cell to system level;
- Research activities are also expected to lead to advanced response strategies for damaged and aged batteries. Furthermore, a contribution to the European safety classification system is expected by developing standards for this safety classification. To this end, proposals are expected to establish contact and exploit complementarities with selected proposals under topic HORIZON-CL5-2025-04-D5-03 “Safe post-crash management of road Light Duty Battery Electric Vehicles (BEVs) (2ZERO Partnership)” with regards to monitoring techniques for safety risks, algorithms for defining state of health and remaining useful life.
Activities covering the following aspects are encouraged:
- Development of virtual methods for full system validation using physical sub-system results;
- Development, exploitation, and harmonisation of advanced battery cell or pack measurement and diagnostic methods for enhancing the data depth and breadth over what is currently available. Definition of performance indicators relating to battery degradation and safety, and development of methods for the validation of digital models.
- Application of AI and generative AI for the definition of the design of experimental and testing strategies to increase the outcome of experimental testing campaigns, in order to accelerate achievement of significant conclusions, and to thus reduce testing time and effort.
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Expected effects and impacts
Whenever the expected exploitation of project results entails developing, creating, manufacturing and marketing a product or process, or in creating and providing a service, the plan for the exploitation and dissemination of results must include a strategy for such exploitation. The exploitation plans are expected to include preliminary plans for scalability, commercialisation, and deployment (feasibility study, business plan) indicating the possible funding sources to be potentially used (in particular the Innovation Fund).
Proposals are expected to also establish cooperation and complementarity with the selected proposal under the topic HORIZON-CL5-2023-D2-02-03: “Creating a digital passport to track battery materials, optimise battery performance and life, validate recycling, and promote a new business model based on data sharing (Batt4EU Partnership)” with regards to safety and ageing information as part of the battery passport.
Proposals could consider the involvement of the European Commission's Joint Research Centre (JRC) whose contribution could consist of performing experimental or desk-top research on battery performance and/or safety. For further information on the JRC’s possible contribution to the projects, please, search for additional publicly available information on the JRC’s website (EU Science Hub) on the NCP portal, or request specific information from the JRC (JRC-NCP-Network@ec.europa.eu)
JRC shall assure that all the other applicants receive the same information on the JRC’s possible contribution to the project (e.g., via the topic-specific FAQs under the Funding and Tenders Portal).
Projects are expected to collaborate and contribute to the activities of the Coordination and Support Action defined under the topic HORIZON-CL5-2025-D2-02-06.
To strengthen the European battery ecosystem, projects are expected to use materials, products and equipment produced in EU Member States and countries associated to Horizon Europe, unless it is demonstrated that no valid option exists. The procurement strategies should be described in the proposal, especially and to the furthest extent possible the place of production of the elements.
This topic implements the co-programmed European Partnership on Batteries (Batt4EU). As such, projects resulting from this topic will be expected to report on the results to the European Partnership on Batteries (Batt4EU) in support of the monitoring of its KPIs.
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Expected results
Project results are expected to contribute to all of the following outcomes:
- Shortened development time of battery cells and battery systems by minimising the experimental testing effort, thus reducing the overall costs and the time to market;
- Increased battery reliability and safety through better understanding of ageing, and safety-relevant (deactivation, degradation, failure) mechanisms;
- Acceleration of a more reliable verification and validation of new solutions contributing to increased user acceptability (safety, performance & costs) and competitiveness of the European battery value chain;
- Standardised battery system testing & validation approaches focussing on the combination of physical and virtual test methodologies.
Eligibility Criteria
Regions / countries for funding
Moldova (Moldova), Albania (Shqipëria), Armenia (Հայաստան), Bosnia and Herzegovina (Bosna i Hercegovina / Босна и Херцеговина), Canada, Faeroes (Føroyar / Færøerne), Georgia (საქართველო), Iceland (Ísland), Israel (ישראל / إِسْرَائِيل), Kosovo (Kosova/Kosovë / Косово), Montenegro (Црна Гора), New Zealand (Aotearoa), North Macedonia (Северна Македонија), Norway (Norge), Serbia (Srbija/Сpбија), Tunisia (تونس /Tūnis), Türkiye, Ukraine (Україна), United Kingdom
eligible entities
EU Body, Education and training institution, International organization, Non-Profit Organisation (NPO) / Non-Governmental Organisation (NGO), Other, Private institution, incl. private company (private for profit), Public Body (national, regional and local; incl. EGTCs), Research Institution incl. University, Small and medium-sized enterprise (SME)
Mandatory partnership
Yes
Project Partnership
To be eligible for funding, applicants must be established in one of the following countries:
- the Member States of the European Union, including their outermost regions
- the Overseas Countries and Territories (OCTs) linked to the Member States
- countries associated to Horizon Europe - see list of particpating countries
Only legal entities forming a consortium are eligible to participate in actions provided that the consortium includes, as beneficiaries, three legal entities independent from each other and each established in a different country as follows:
- at least one independent legal entity established in a Member State; and
- at least two other independent legal entities, each established in different Member States or Associated Countries.
Any legal entity, regardless of its place of establishment, including legal entities from non-associated third countries or international organisations (including international European research organisations) is eligible to participate (whether it is eligible for funding or not), provided that the conditions laid down in the Horizon Europe Regulation have been met, along with any other conditions laid down in the specific call topic.
A ‘legal entity’ means any natural or legal person created and recognised as such under national law, EU law or international law, which has legal personality and which may, acting in its own name, exercise rights and be subject to obligations, or an entity without legal personality.
The Joint Research Centre (JRC) may participate as member of the consortium selected for funding.
other eligibility criteria
Specific cases:
- Affiliated entities (i.e. entities with a legal or capital link to a beneficiary which participate in the action with similar rights and obligations to the beneficiaries, but which do not sign the grant agreement and therefore do not become beneficiaries themselves) are allowed, if they are eligible for participation and funding.
- Associated partners (i.e. entities which participate in the action without signing the grant agreement, and without the right to charge costs or claim contributions) are allowed, subject to any conditions regarding associated partners set out in the specific call conditions.
- Entities which do not have legal personality under their national law may exceptionally participate, provided that their representatives have the capacity to undertake legal obligations on their behalf, and offer guarantees to protect the EU’s financial interests equivalent to those offered by legal persons.
- Legal entities created under EU law (EU bodies) including decentralised agencies may be part of the consortium, unless provided for otherwise in their basic act.
- International European research organisations are eligible to receive funding. International organisations with headquarters in a Member State or Associated Country are eligible to receive funding for ‘Training and mobility’ actions or when provided for in the specific call/topic conditions. Other international organisations are not eligible to receive funding, unless provided for in the specific call/topic conditions, or if their participation is considered essential for implementing the action by the granting authority.
- Joint Research Centre (JRC)— Where provided for in the specific call conditions, applicants may include in their proposals the possible contribution of the JRC but the JRC will not participate in the preparation and submission of the proposal. Applicants will indicate the contribution that the JRC could bring to the project based on the scope of the topic text. After the evaluation process, the JRC and the consortium selected for funding may come to an agreement on the specific terms of the participation of the JRC. If an agreement is found, the JRC may accede to the grant agreement as beneficiary requesting zero funding or participate as an associated partner, and would accede to the consortium as a member.
- Associations and interest groupings — Entities composed of members (e.g. European research infrastructure consortia (ERICs)) may participate as ‘sole beneficiaries’ or ‘beneficiaries without legal personality’. However, if the action is in practice implemented by the individual members, those members should also participate (either as beneficiaries or as affiliated entities, otherwise their costs will NOT be eligible.
- EU restrictive measures — Entities subject to EU restrictive measures under Article 29 of the Treaty on the European Union (TEU) and Article 215 of the Treaty on the Functioning of the EU (TFEU) as well as Article 75 TFEU, are not eligible to participate in any capacity, including as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any).
- Legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine — Given the illegal invasion of Ukraine by Russia and the involvement of Belarus, there is currently no appropriate context allowing the implementation of the actions foreseen in this programme with legal entities established in Russia, Belarus, or in non-government controlled territories of Ukraine. Therefore, even where such entities are not subject to EU restrictive measures, such legal entities are not eligible to participate in any capacity. This includes participation as beneficiaries, affiliated entities, associated partners, third parties giving in-kind contributions, subcontractors or recipients of financial support to third parties (if any). Exceptions may be granted on a case-by-case basis for justified reasons.
With specific regard to measures addressed to Russia, following the adoption of the Council Regulation (EU) 2024/1745 of 24 June 2024 (amending Council Regulation (EU) No 833/2014 of 31 July 2014) concerning restrictive measures in view of Russia’s actions destabilising the situation in Ukraine, legal entities established outside Russia but whose proprietary rights are directly or indirectly owned for more than 50% by a legal person, entity or body established in Russia are also not eligible to participate in any capacity. - Measures for the protection of the Union budget against breaches of the principles of the rule of law in Hungary — Following the Council Implementing Decision (EU) 2022/2506, as of 16 December 2022, no legal commitments can be entered into with Hungarian public interest trusts established under the Hungarian Act IX of 2021 or any entity they maintain. Affected entities may continue to apply to calls for proposals and can participate without receiving EU funding, as associated partners, if allowed by the call conditions. However, as long as the Council measures are not lifted, such entities are not eligible to participate in any funded role (beneficiaries, affiliated entities, subcontractors, recipients of financial support to third parties, etc.).In case of multi-beneficiary grant calls, applicants will be invited to remove or replace that entity in any funded role and/or to change its status into associated partner. Tasks and budget may be redistributed accordingly.
Additional information
Topics
Relevance for EU Macro-Region
EUSAIR - EU Strategy for the Adriatic and Ionian Region, EUSALP - EU Strategy for the Alpine Space, EUSBSR - EU Strategy for the Baltic Sea Region, EUSDR - EU Strategy for the Danube Region
UN Sustainable Development Goals (UN-SDGs)
Additional Information
Applications must be submitted electronically via the Funders & Tenders Portal electronic submission system (accessible via the topic page in the Search Funding & Tenders section). Paper submissions are NOT possible.
Applications must be submitted using the forms provided inside the electronic submission system (not the templates available on the topic page, which are only for information). The structure and presentation must correspond to the instructions given in the forms.
Applications must be complete and contain all parts and mandatory annexes and supporting documents.
The application form will have two parts:
- Part A (to be filled in directly online) contains administrative information about the applicant organisations (future coordinator and beneficiaries and affiliated entities), the summarised budget for the proposal and call-specific questions;
- Part B (to be downloaded from the Portal submission system, completed and then assembled and re-uploaded as a PDF in the system) contains the technical description of the project.
Annexes and supporting documents will be directly available in the submission system and must be uploaded as PDF files (or other formats allowed by the system).
The limit for a full application (Part B) is 50 pages.
Eligible costs will take the form of a lump sum as defined in the Decision of 7 July 2021 authorising the use of lump sum contributions under the Horizon Europe Programme – the Framework Programme for Research and Innovation (2021-2027) – and in actions under the Research and Training Programme of the European Atomic Energy Community (2021-2025). It is mandatory to submit a detailed budget table using the template available in the Submission system.
Activities are expected to achieve TRL 7 by the end of the project. Activities may start at any TRL.
Call documents
Horizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and MobilityHorizon Europe Work Programme 2025 Cluster 5 - Climate, Energy and Mobility(2548kB)
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