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Liquid electrolyte chemistries for solid electrolyte interphase construction on silicon and lithium-metal anodes†
Sewon Park,Saehun Kim,Jeong-A. Lee,Makoto Ue,Nam-Soon Choi
Chemical Science Pub Date : 08/11/2023 00:00:00 , DOI:10.1039/D3SC03514J
Abstract

Next-generation battery development necessitates the coevolution of liquid electrolyte and electrode chemistries, as their erroneous combinations lead to battery failure. In this regard, priority should be given to the alleviation of the volumetric stress experienced by silicon and lithium-metal anodes during cycling and the mitigation of other problems hindering their commercialization. This review summarizes the advances in sacrificial compound-based volumetric stress-adaptable interfacial engineering, which has primarily driven the development of liquid electrolytes for high-performance lithium batteries. Besides, we discuss how the regulation of lithium-ion solvation structures helps expand the range of electrolyte formulations and thus enhance the quality of solid electrolyte interphases (SEIs), improve lithium-ion desolvation kinetics, and realize longer-lasting SEIs on high-capacity anodes. The presented insights are expected to inspire the design and synthesis of next-generation electrolyte materials and accelerate the development of advanced electrode materials for industrial battery applications.

Graphical abstract: Liquid electrolyte chemistries for solid electrolyte interphase construction on silicon and lithium-metal anodes
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