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Issue 47, 2017
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A high power Li–air battery enabled by a fluorocarbon additive

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Abstract

The mass transfer of O2 is a critical factor to determine the rate capability of Li–air batteries (LABs). Here, with improved O2 transport enabled by a solution-phase fluorocarbon additive 3-[2-(perfluorohexyl)ethoxy]-1,2-epoxypropane, the LAB's discharge capacity was significantly elevated to 16 368 mA h gcarbon−1@500 mA gcarbon−1 and 1792 mA h gcarbon−1@5000 mA gcarbon−1 in N2–O2 (78 : 22) with power density comparable with state-of-the-art Li-ion batteries.

Graphical abstract: A high power Li–air battery enabled by a fluorocarbon additive

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Supplementary files

Article information


Submitted
08 Oct 2017
Accepted
08 Nov 2017
First published
09 Nov 2017

J. Mater. Chem. A, 2017,5, 24617-24620
Article type
Communication

A high power Li–air battery enabled by a fluorocarbon additive

H. Wan, Q. Bai, Z. Peng, Y. Mao, Z. Liu, H. He, D. Wang, J. Xie and G. Wu, J. Mater. Chem. A, 2017, 5, 24617
DOI: 10.1039/C7TA08860D

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