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Nanoscale. 2014 Jan 7;6(1):177-80. doi: 10.1039/c3nr04728h. Epub 2013 Nov 12.

Size effect of lithium peroxide on charging performance of Li-O2 batteries.

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  • 1Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China. fycheng@nankai.edu.cn.


We report herein that the particle size of Li2O2, which is the discharged product of a Li-O2 battery, remarkably influences the charging performance. As the particle size decreases, the average voltage of charge plateaus is lowered due to reduced electrode polarization and enhanced kinetics of the oxidation reaction of Li2O2.

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