Battery 2030+ is a large-scale cross-sectoral European research initiative bringing together the most important stakeholders in the field of battery R&D. The initiative fosters concrete actions to support the European Green Deal reaching a climate neutral society with a long-term vision of cutting-edge research reaching far beyond 2030. The roadmap outline research areas for the involved projects, like smart functionalities, new materials (chemistry neurtral platform), interfaces and methods for accelerate fundamental battery research.