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|Title:||Polymer electrolyte glue : a universal interfacial modification strategy for all-solid-state Li batteries||Authors:||Dong, Derui
|Keywords:||Engineering::Chemical engineering||Issue Date:||2019||Source:||Dong, D., Zhou, B., Sun, Y., Zhang, H., Zhong, G., Dong, Q., . . . Chen, H. (2019). Polymer electrolyte glue : a universal interfacial modification strategy for all-solid-state Li batteries. Nano Letters, 19(4), 2343-2349. doi:10.1021/acs.nanolett.8b05019||Journal:||Nano Letters||Abstract:||In recent years solid Li+ conductors with competitive ionic conductivity to those of liquid electrolytes have been reported. However, the incorporation of highly conductive solid electrolytes into the lithium-ion batteries is still very challenging mainly due to the high resistance existing at the solid-solid interfaces throughout the battery structure. Here, we demonstrated a universal interfacial modification strategy through coating a curable polymer-based glue electrolyte between the electrolyte and electrodes, aiming to address the poor solid-solid contact and thus decrease high interfacial resistance. The liquid glue exhibits both great wettability as well as chemical/electrochemical stability to most of the electrodes, and it can be easily solidified into a polymer electrolyte layer through a "post-curing" treatment. As a result, symmetric Li batteries with the glue modification exhibit much smaller impedance and enhanced stability upon plating/stripping cycles compared to the batteries without glue modification. The all-solid-state Li-S batteries with glue modification show significantly enhanced performances. The strategy of developing glue electrolytes to improve the electrode-electrolyte interface contact provides an alternative option for improving many other solid-state batteries.||URI:||https://hdl.handle.net/10356/142857||ISSN:||1530-6984||DOI:||10.1021/acs.nanolett.8b05019||Rights:||This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.nanolett.8b05019||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SCBE Journal Articles|
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