1. Shi Y, Eze C, Xiong B, He W, Zhang H, Lim TM, Ukil A, Zhao J (2019) Recent development of membrane for vanadium redox flow battery applications: a review. Appl Energy 238:202–224
2. Australian Government (2022) 2022 Critical minerals strategy. https://www.industry.gov.au/sites/default/files/2022-09/2022-critical-minerals-strategy_0.pdf
3. European Commission (2023) Critical raw materials. https://single-market-economy.ec.europa.eu/sectors/raw-materials/areas-specific-interest/critical-raw-materials_en
4. Government of Canada (2022) The Canadian critical minerals strategy. https://www.canada.ca/en/campaign/critical-minerals-in-canada/canadian-critical-minerals-strategy.html
5. Government of the United Kingdom (2022) Resilience for the future: the United Kingdom’s critical minerals strategy. https://www.gov.uk/government/publications/uk-critical-mineral-strategy/resilience-for-the-future-the-uks-critical-minerals-strategy#what-is-a-critical-mineral