1. Batteries—Modernising EU Rules. Proposal for a Regulation
https://ec.europa.eu/info/law/better-regulation/have-your-say/initiatives/12399-Modernising-the-EU-s-batteries-legislation
2. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions. On the 2017 List of Critical Raw Materials for the EU
https://ec.europa.eu/transparency/regdoc/rep/1/2017/EN/COM-2017-490-F1-EN-MAIN-PART-1.PDF
3. Integrating Flotation and Pyrometallurgy for Recovering Graphite and Valuable Metals from Battery Scrap