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Ultrathin Multifunctional Oxide Coatings for Lithium Ion Batteries
Author(s) -
Xiao Xingcheng,
Lu Peng,
Ahn Dongjoon
Publication year - 2011
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201101915
Subject(s) - materials science , electrolyte , lithium (medication) , oxide , degradation (telecommunications) , interphase , ion , conductivity , layer (electronics) , decomposition , nanotechnology , chemical engineering , electrode , metallurgy , medicine , telecommunications , ecology , chemistry , physics , quantum mechanics , biology , computer science , engineering , genetics , endocrinology
Ultrathin oxide coatings are demonstrated to offer multiple functions for improving the cycling performance of lithium ion batteries. The coatings can serve as an artificial solid electrolyte interphase layer, which significantly suppresses electrolyte decomposition as well as mitigates mechanical degradation. Structure modification is critical for increasing the ion conductivity, and therefore leads to improved current efficiency.