In this conversation, Luise and Ilka discuss the circularity and sustainability in the battery industry and how the battery space is actively working on developing tools to make them meaningful and beneficial. They dived into the various Battery Passport initiatives like BMWK funded battery passport project and GBA pilots launched in 2022. The episode also highlights how the battery passport will simplify reporting, auditing, and compliance for companies, enhance visibility and control in supply chains, and enable transparent communication with consumers about sustainability and ethical sourcing.