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. 2022 Apr 6;14:94. doi: 10.1007/s40820-022-00844-2

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — Periodic table of elements with price and charge capacity of each element at the indicated oxidation state. Price data retrieved from Shanghai Metals Market [3] (June 2021 spot price), Preismonitor [4] USGS Mineral Commodity Summaries [5], Institute of Rare Earths and Strategic Metals [6] and others [7, 8]. Gas prices vary substantially with location and storage method and are thus excluded