OCSiAl says it is contributing single-wall carbon nanotube technology to ELEVATE, a Horizon Europe project developing aviation-grade battery cells for electric regional aircraft. The project’s stated goal is to exceed 400 Wh/kg with silicon-rich anodes and dry-coated cathodes; that figure is a target, not a reported cell result.
What is ELEVATE?
ELEVATE is described by OCSiAl as a Horizon Europe project focused on developing batteries for aviation, including future electric regional aircraft. Its work is intended to span materials and cell design, manufacturing processes, and aircraft integration. The announcement names UniverCell for advanced cell development and manufacturing expertise, and aircraft developer Vaeridion as the link to future aviation applications.
The other named consortium participants are Daikin Chemical Europe, Technische Universität Braunschweig, EURA, Uppsala University, CIDETEC, Addionics, IKA, LEONHARD KURZ Stiftung, OCSiAl, and UniverCell. OCSiAl’s announcement does not state the project’s grant amount, duration, or a timetable.
How are carbon nanotubes being used in aircraft batteries?
OCSiAl is contributing single-wall carbon nanotube technology as an electrode additive. The company says that at very low loadings, nanotubes form conductive reinforcing networks throughout an electrode. Its Head of Energy Projects, Andrej Seniut, says those networks are intended to help address conductivity, mechanical integrity, and cycle-life challenges.
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Those are the company’s stated rationale for using the material in ELEVATE, not independently reported ELEVATE test findings. The announcement does not provide measured results showing how much the nanotubes improve conductivity, durability, or cycle life in the project’s cells.
Why combine silicon-rich anodes and dry-coated cathodes?
The project announcement identifies two approaches: silicon-rich anodes and dry-coated cathodes. An anode is the electrode where lithium is stored during charging; a silicon-rich design is intended to increase the cell’s energy-storage potential. Dry coating refers to making a cathode electrode without the conventional solvent-based coating process. OCSiAl presents its nanotubes as an enabling additive for both approaches, rather than as the battery’s main active material.
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The announcement does not supply comparative test data for these electrode approaches, explain ELEVATE’s exact cell design, or quantify any manufacturing or performance gains. It therefore supports describing the intended combination, but not claiming that one approach has already outperformed another in ELEVATE.
What does the 400 Wh/kg target mean?
OCSiAl states that ELEVATE is targeting cells above 400 watt-hours per kilogram (Wh/kg). This is a project target for aviation-grade cells, not a result demonstrating that ELEVATE has already produced cells at that level. The announcement does not specify a test protocol, a demonstrated cell-level value, or independent validation.
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Energy density matters in aviation because battery mass affects how much energy an aircraft can carry for a given weight. Reaching the stated target would be a development milestone, but the announcement alone does not establish whether the project will reach it or what aircraft performance a resulting cell might enable.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is established—and what remains unreported?
- Established in OCSiAl’s announcement: the company is contributing single-wall carbon nanotube technology; the named electrode approaches are silicon-rich anodes and dry-coated cathodes; and the stated cell target is above 400 Wh/kg.
- Not established by the reviewed announcements: an achieved ELEVATE cell result above 400 Wh/kg, independently validated performance benefits from the nanotubes, detailed work packages, project duration, grant amount, or a confirmed timetable.
OCSiAl also cites its Head of Energy Projects as saying that batteries containing single-wall carbon nanotubes were used in more than one million electric vehicles worldwide in 2025, after the number tripled that year. That figure is attributed to OCSiAl; the Advanced Carbons Council release carrying the statement does not provide an independent dataset, so it should not be treated as independently verified market data.
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