Addendum to: Nature https://doi.org/10.1038/s41586-021-04209-4 Published online 12 January 2022
In our original article, we reported an elastomeric electrolyte having a three-dimensional interconnected plastic-crystal phase ofsuccinonitrile (SN) within the cross-linked elastomer matrix—plastic crystal-embedded elastomer electrolytes (PCEEs)—using polymerization-induced phase separation. It has been brought to our attention that the original paper did not make clear the importance of Li salt concentration, and reagent purity with regard to the mechanical and rheological properties of the electrolyte, and we would like to provide further data to illustrate these points here. We thank Dr. Lei Shi and Professor Bin Li of Sun Yat-sen University and Professor Shujiang Ding (Xi’an Jiaotong University) for bringing this to our attention.
The Supplementary Information to this addendum contains data on a series of SN-based electrolytes with different lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt concentrations (0, 0.2, 0.5, and 1.0 M of LiTFSI), including those prepared with and without degassing. We also provide data from varying butyl acrylate (BA) elastomer:SN ratio electrolytes, and a control classical polymer electrolyte to further support the proposed plastic crystal-embedded elastomer electrolyte structure.
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Supplementary information is available in the online version of this Amendment.
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Supplementary Information containing three sections (Li salt concentration and purity effects, Evidence for phase-separated structure, Mechanical properties of electrolyte), Supplementary Figures 1 and 2, additional Methods, and additional references.
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Lee, M.J., Han, J., Lee, K. et al. Addendum: Elastomeric electrolytes for high-energy solid-state lithium batteries. Nature 609, E11 (2022). https://doi.org/10.1038/s41586-022-05207-w
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DOI: https://doi.org/10.1038/s41586-022-05207-w
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