期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 7, 期 22, 页码 13441-13448出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta03713f
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资金
- National Research Foundation of Korea (NRF) - Korea government Ministry of Education and Science Technology (MEST) [NRF-2018R1A2B3008794]
- Human Resources Development programme of a Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant - Ministry of Trade, Industry and Energy of the Korean government [20184010201720]
In this study, trimethylsilyl azide (C3H9N3Si, hereafter denoted as TSA) is used as an efficient electrolyte additive in Li-metal batteries. Along with a LiF-rich compound, the addition of 0.1 M TSA to fluoroethylene carbonate (FEC)-based electrolytes not only induces the formation of a conductive solid-electrolyte interphase layer on the Li-metal surface but also allows the formation of a dense Li-deposit morphology; hence, it greatly enhances the Li plating-stripping reaction kinetics. Upon using the 0.1 M TSA additive, a practical Li/full concentration gradient Li[Ni0.73Co0.10Mn0.15Al0.02]O-2 (FCG73) battery exhibits outstanding long-term cycling stability over 300 cycles and fast charge-discharge capability at a practical level.
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