WP5 WP5 Digital Twins for Hybrid Test in Battery Development: D5.1 Ontology definition and Data Mapping of Virtual Assets.D5.2 Digital Twin models definition D5.3 – D5.3 Integration plan for Digital Twin on the platform.D5.4 Digital Twin integration. WP1 - Specifications, requirements and use cases definition Link WP2 - Design of Experiments, boundary conditions and methodologies. Link WP3 - Advanced battery ageing and performance modelling Link WP4 -Battery safety and reliability AI-powered toolchain Link WP5 - Digital Twins for Hybrid Test in Battery Development Link WP6 - Development of hybrid testing platform Link WP7 - Dissemination, Exploitation and Communication Link WP8 - Coordination and Management Link