Project description
Crystalline vanadium dioxide for lithium-ion battery safety
Lithium-ion batteries (LIBs) are used for energy storage despite their strict safe operating limits. If these are exceeded, there is a risk of degradation and fire, primarily through a process known as thermal runaway. During this phenomenon, uncontrollable increases in temperature and pressure trigger a chain reaction of chemical failures that can spread throughout the entire battery module. Supported by the Marie Skłodowska-Curie Actions programme, the STRIVE project enhances LIBs’ safety by using crystalline vanadium dioxide (VO2) as a thermal coating. VO2 undergoes a reversible transition that absorbs excess heat, improving performance during high loads. Thin films will be created using femtosecond pulsed laser deposition for precise control. The goal is to develop LIBs for electric vehicles and portable electronics.
Objective
With growing concerns over energy shortages and climate change, the use of sustainable energy sources such as wind, solar, and hydropower has become increasingly important worldwide. Batteries play a crucial role in storing energy generated from these renewable sources. Lithium-ion batteries (LIBs) are preferred for their high energy density, efficiency, long cycle life, and low self-discharge. However, LIBs have a limited safe operating range in terms of voltage and temperature. Operating outside these limits can trigger unwanted chemical reactions, leading to battery degradation, capacity loss, or, in severe cases, complete cell failure and fire. The most serious safety issue in LIBs is thermal runaway (TR), which occurs when a rapid rise in temperature and pressure inside the battery is triggered by a series of heat-releasing chemical reactions. Furthermore, thermal runaway can start in a single cell but may quickly spread to neighboring cells, potentially compromising the entire battery module.
To enhance lithium-ion battery (LIB) safety under thermal stress, 'STRIVE' proposes crystalline vanadium dioxide (VO2) as a self-regulating thermal coating on electrode materials. Crystalline VO2 uniquely undergoes a sharp, reversible metal–insulator transition (MIT) from a semiconducting monoclinic (M) to a metallic rutile (R) structure near ~68 °C; its MIT temperature will be tuned via tungsten (W) doping to match battery safety thresholds. This is an endothermic transition, absorbing excess heat, reducing charge-transfer resistance, and accelerating electron transport during high-load or fast-charging conditions, then reverts upon cooling. VO2 thin films will be fabricated using femtosecond pulsed laser deposition (fs-PLD), enabling stoichiometric precision, epitaxial interfaces, and doping control. This approach offers an active alternative to passive cooling, advancing safer, high-performance LIBs for electric vehicles, grid storage, and portable electronics.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry transition metals
- engineering and technology materials engineering coating and films
- engineering and technology environmental engineering energy and fuels renewable energy hydroelectricity
- natural sciences physical sciences optics laser physics
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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.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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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.
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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-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2025-PF
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LS2 9JT Leeds
United Kingdom
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