ArticleComputational and structural biotechnology journal2025
HELENA project: Driving innovation in high energy density Li-metal halide solid-state batteries for electric vehicles and aircrafts.
Article in Computational and structural biotechnology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Challenges of the infiltration method for halide-based solid‑state battery cathodes.Scientific reports · 2026Article
- Comparative Advances in Sulfide and Halide Electrolytes for Commercialization of All-Solid-State Lithium Batteries.Advanced materials (Deerfield Beach, Fla.) · 2026Review
Corrections and comments
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Authors and funding
25 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The development of sustainable, high-efficiency and reliable batteries is critical to support climate neutrality goals, particularly in the electromobility sector. The European-funded HELENA project (Halide Solid State Batteries for Electric Vehicles and Aircraft) addresses these challenges by focusing on the manufacturing of next-generation lithium-metal solid-state batteries. The project tackles key hurdles in raw material sourcing, battery production, sustainability and cost-effectiveness. A multidisciplinary partnership brings the innovation from the lab to the industrial scale, covering the whole value chain, including industrial material producers, R&D centres, battery manufacturers, and automotive and aerospace end-users. The cell design features a high-voltage nickel-rich cathode coupled with a high-energy lithium metal anode and a lithium-ion superionic halide solid electrolyte. This configuration enhances energy and power density, thus being suitable for electric vehicles and aircrafts. HELENA aims to reshape the solid-state battery landscape by advancing technology readiness levels through the manufacturing of 10 Ah pre-industrial prototypes. This report highlights mid-way results of the project, discussing the major advancements in battery specifications and safety standards from end-users, processing of materials into battery component, battery modelling and recycling strategies to ensure long-term sustainability.
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Registered trials
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