Project description
A battery breakthrough for regional aviation
Aviation’s green transition is stuck on the runway. Hybrid-electric power is a solution, but battery technology remains too heavy and carries too many safety risks for commercial flights. Finding a solution means testing this technology. Regional routes are a good place to start. However, the batteries still need to pass certification without cutting into the range or payload. The EU-funded LIME project aims to design and test a battery prototype designed specifically for regional aviation. With a high-level consortium that includes aeronautical heavyweights Airbus and ATR, the project will integrate solid-state cells with ultra-light casings and high-efficiency cooling. The project expects to prove that hybrid-electric flight can be a commercial reality by 2035.
Objective
LIME project, led by Ascendance (France), expert in hybrid electric propulsion technologies for aviation and aircraft integration), unites EXOES (France), an expert in thermal integration and battery packaging mainly for non-aeronautics sectors, RWTH Aachen University (Germany), a research organization renowned for battery engineering expertise, BASQUEVOLT (Spain) a pioneer in solid state battery cell technology) and the end-users (associated partners) ATR, AIRBUS, and DAHER. LIME aims to develop and demonstrate a TRL 4 battery system for hybrid-electric propulsion in Ultra-Efficient Regional Aircraft, targeting entry into service by 2035, with potential spin off to the SMR aircraft. Addressing the decarbonization of aviation, LIME objectives include (1) ensuring a safety-conforming, end-user-centric battery system; (2) designing a state-of-the-art battery system meeting CS25 needs; (3) prototyping a TRL4 battery system; (4) promoting flexibility and agility via a digital twin; (5) paving the way for EIS in 2035; and (5) maximizing the project's impact and benefits to Europe. The key innovations central to LIME and its partners include: Basquevolt's disruptive solid-state cell technology which offers enhanced safety and energy density; Exoes's advanced thermal management (immersive cooling) that ensures optimal battery performance; and Ascednance's, lightweight and safe composite casing which is vital for aviation applications. The methodology begins with defining the battery system requirements (from end users needs and safety requirements), followed by a preliminary design phase and a detailed design phase that cover these requirements. After validation, prototyping begins along with thorough testing. It ends with a synthesis of the project and its conclusions, assessment of integration options in regional aircraft and a roadmap to reach TRL 9 & EIS in 2035 of the product. The project is expected to last 24 months, and the consortium is asking for €5M.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.2.5 - Climate, Energy and Mobility
MAIN PROGRAMME
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HORIZON.2.5.7 - Clean, Safe and Accessible Transport and Mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-JU-RIA - HORIZON JU Research and Innovation Actions
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-JU-Clean-Aviation-2025-01F
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
31400 Toulouse
France
The organization defined itself as SME (small and medium-sized enterprise) at the time the Grant Agreement was signed.
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.