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Tea polyphenol-inspired tannic acid-treated polypropylene membrane as a stable separator for lithium–oxygen batteries

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Abstract

Tannic acid, one of the most common tea polyphenols, is a superoxide radical scavenger that is coated on the PP membrane to protect it from being attacked by superoxide radicals during the discharging and charging process of the Li–O2 battery. The radical scavenging capability of TA was evaluated in both KO2 + crown solution and Li–O2 battery and the effective superoxide radical scavenging ability of TA was confirmed; moreover, due to this ability, it highly improved the cycling stability of the Li–O2 battery.

Graphical abstract: Tea polyphenol-inspired tannic acid-treated polypropylene membrane as a stable separator for lithium–oxygen batteries

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Publication details

The article was received on 21 Apr 2017, accepted on 02 Jun 2017 and first published on 02 Jun 2017


Article type: Communication
DOI: 10.1039/C7TA03456C
Citation: J. Mater. Chem. A, 2017, Advance Article
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    Tea polyphenol-inspired tannic acid-treated polypropylene membrane as a stable separator for lithium–oxygen batteries

    C. Wu, T. Li, C. Liao, L. Li and J. Yang, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA03456C

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