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International projects source: SICRIS

Multifunctional structures with quasi-solid-state Li-ion battery cells and sensors for the next generation climate neutral aircraft

Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  3883  PIPISTREL VERTICAL SOLUTIONS d.o.o, podjetje za napredne letalske rešitve (Slovene)  Ajdovščina  7254466000  671 
Abstract
MATISSE responds to the fourth bullet of the HORIZON-CL5-2021-D5-01-05 topic “expected outcome”, delivering improved aircraft technologies in the area of multifunctional structures capable of storing electrical energy for hybrid electric aircraft applications. This consists in integrating Li-ion cells into aeronautical composite structures, sharing the load-bearing function with the structure and achieving an aircraft structural element capable of functioning as a battery module. To do so, MATISSE will:• advance Li-ion battery cell technology, in a non-conventional formulation suitable for bearing structural loads: NMC811 (cathode), Si/C (anode) and bicontinuous polymer-ionic quasi-solid-state electrolyte (BCE), i.e. NMC811|BCE|Si/C, achieving 170-270 Wh/kg at cell level;• enable the functional integration of Li-ion cells into solid laminate and sandwich composite structures;• make the structural battery smart, by equipping it with on-cell and in-structure sensors, connected to a chip-based CMU (Cell Monitoring Unit) and PLC (Power Line Communication).MATISSE delivers a multifunctional structure demonstrator capable of power delivery, power management and safety monitoring. This consists of a full-scale wing tip (1.42 m × 0.69 m) for use in place of the current wingtip assembly installed on Pipistrel Velis Electro, embedding a module of 40 battery cells at 72 VDC. This will undergo a comprehensive testing and characterisation campaign, qualifying the technology at TRL 4 at the end of the project (2025). MATISSE will also encompass aspects related to flight certification, life-cycle sustainability and virtual scale-up, paving the way towards the application of structural batteries as an improved performance key enabling technology for next generation commuter and regional hybrid electric aircraft applications.
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