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Building-Integrated Structural Energy Storage: AI-Guided Design of Ductile Cementitious Composites

Project description

AI-guided ductile structural energy storage

Supported by the Marie Skłodowska-Curie Actions, programme, the BISES project develops building-integrated materials that function simultaneously as load-bearing structures and structural supercapacitors. The research aims to develop ductile, strain-hardening composites with controlled crack widths and stable conductive networks using AI-assisted screening. It further seeks to clarify how fibre-matrix micromechanics and electrolyte compatibility synergistically influence energy capacity and durability under realistic environmental cycles. Finally, the project establishes a physics-informed AI framework to co-optimise mechanical ductility and electrochemical storage, producing practical design rules for structural modules. These objectives address the current limitations of brittleness and storage instability to support the EU’s transition towards zero-emission architecture.

Objective

Electrochemical structural energy storage, which enables load-bearing elements to store and release electrical energy, represents a crucial clean-energy innovation. When integrated into architecture, it can transform buildings from passive energy consumers into distributed flexibility assets for the grid. Furthermore, it offers a practical pathway to mitigate peak demand and support heat-resilient operation, issues of growing importance across the European Union (EU). In recent years, cement–carbon systems for structural supercapacitors have garnered significant attention due to their robustness and cost-effectiveness compared with stand-alone devices. However, present solutions often lack ductility and show limited capacity retention under humidity and freeze–thaw ingress, which constrains practical applications. This project aims to lead the development of Building-Integrated Structural Energy Storage (BISES) through the AI-guided design of ductile cementitious composites, thereby advancing the EU’s progress toward energy-efficient, flexible buildings. The proposed BISES modules constitute innovative materials that fulfil both structural (mechanical) and electrochemical (energy storage) roles. Their mechanical and electrochemical properties will be enhanced by fibre-bridging micromechanics, interface tailoring, percolated carbon networks and alkali-compatible gel or solid electrolytes. Subsequently, the project will analyse the reversibility, cyclability ageing and mechanical durability of BISES modules to further improve functionality and applicability. Additionally, a comprehensive electro-chemo-mechanical numerical model will be developed and validated using data obtained from microstructural assessments of ageing BISES modules and AI-assisted experiments.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

CARDIFF UNIVERSITY
Net EU contribution
€ 276 187,92
Address
RESEARCH SERVICES C/O MAIN BUILDING
CF10 3AT CARDIFF
United Kingdom
Region
Wales East Wales Cardiff and Vale of Glamorgan
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data