Fig. 3: Correlation between SS phase fractions and lithium extraction performance. | Nature Communications

Fig. 3: Correlation between SS phase fractions and lithium extraction performance.

From: The role of solid solutions in iron phosphate-based electrodes for selective electrochemical lithium extraction

Fig. 3: Correlation between SS phase fractions and lithium extraction performance.The alternative text for this image may have been generated using AI.

a High-Li SS fractions (LixFePO4, x = 0.500/0.625/0.750/0.875) and low-Li SS fractions (LixFePO4, x = 0.125/0.250/0.375) under the same seeding rate 4 C (588 mA/g) with different seeding ranges L(0/0.1/0.2/0.3/0.4)4C. b Li/(Li+Na)total (including the contributions from seeded-Li) and Li/(Li+Na)net (subtracting the contributions from seeded-Li) of the same hosts from a after 0.1 C (14.7 mA/g) co-intercalation L(X)4C-LN(0.7)0.1C. c Li/(Li+Na) ratio of the empty hosts with different intercalation range L(0)-LN(X)0.1C. d Li/(Li+Na)net of the electrodes with the same seeding process L(0.2)4C but different intercalation rates L(0.2)4C-LN(0.7)0.1/0.2/0.5C, and Li/(Li+Na) ratio of the empty hosts L(0)-LN(0.7)0.01/0.1/0.2/0.5C. e Li/(Li+Na)net vs. low-Li/high-Li/total-Li SS fractions and corresponding COD. f Li/(Li+Na)total and Li/(Li+Na)net for the multi-intercalation stability test using L(0.2)4C-LN(0.7)0.1C. (Error bars representing the standard deviation of three replicate measurements).

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