One of the main challenges of EU battery sector to achieve the net-zero emissions objectives for 2050 consists of keeping the added value of EoL batteries, enabling their 2nd life, and improving recycling and recovery of critical materials. REINFORCE aims at designing, developing and deploying a novel sustainable, and highly efficient circular value chain serving as a reference for automated, safe and cost-efficient logistics and processing of EoL batteries from EV and stationary applications for repurposing and recycling. REINFORCE will demonstrate all technological solutions and processes in a real environment at TRL6, and the viability of the new circular value chain and business model innovations for EoL battery repurposing. This will be achieved by: (i) an optimisation of collection and reversed logistics focussed on efficient diagnostics for early battery status cut-off decision-making and safe and smart transportation solutions; (ii) safe and improved battery diagnostics and speed-up discharge and energy recovery systems adapted to the current batteries stream; (iii) adaptable and safe dismantling and sorting of EoL batteries and components based on robotics, Machine Learning and Industry 4.0, including fully automated pack-to-module disassembly and advanced module-to-cell-to-electrode disassembly; (iv) an innovative traceability system along the battery value chain based on a battery passport for the 2nd and 3rd life battery user; (v) the definition of standardisation guidelines in line with current and upcoming regulations; all revolving around (vi) robust sustainable circular business models demonstrating the application of REINFORCE proposition in a circular economy strategy and implement actions towards full market maturity. For this, REINFORCE is bringing together a wide experienced consortium led by INE, involving a team of leading industrial technology developers and providers, R&D centres and academic institutions, and end-users, at European level.