1. European Commission:Report on Critical Raw Materials in the Circular Economy 2018 https://op.europa.eu/en(accessed September 2021).
2. European Commission:Report on Raw Materials for Battery Application November 22 2018 https://publications.jrc.ec.europa.eu/repository/handle/JRC118410(accessed October 2021).
3. Benchmark Mineral Intelligence and Panorama Minero–The Energy Revolution and Its Impact on Lithium-Ion Battery Material Markets November2020 https://www.benchmarkminerals.com(accessed October 2021).
4. Benchmark Mineral Intelligence-Trends for 2021 AABC Europe January2021https://www.benchmarkminerals.com(accessed October 2021).