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Title of Journal: J Solid State Electrochem

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Abbravation: Journal of Solid State Electrochemistry

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Springer-Verlag

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DOI

10.1007/s10728-006-0032-6

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1433-0768

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Mesoporous carbon nitride loaded with Pt nanoparti

Authors: Yan Lu Zhaoyin Wen Jun Jin Yanming Cui Meifen Wu Shijiao Sun
Publish Date: 2012/01/18
Volume: 16, Issue: 5, Pages: 1863-1868
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Abstract

A composite comprised of oxygen reduction reaction ORR catalyst and oxygen evolution reaction OER catalyst was designed and applied as a bifunctional electrocatalyst for the air electrode of the lithiumair battery The ordered mesoporous carbon nitride MCN prepared by a nano hardtemplating approach displayed a surface area as high as 648 m2 g−1 and a large pore volume of 07 cm3 g−1 and acted as both the ORR catalyst and the support for the in situformed OER catalyst of Pt particles with a diameter of 3–4 nm The electrochemical performances of the electrode were examined in a solidstate lithiumair cell structured as Li/LATPbased electrolyte/cathode which demonstrated a higher roundtrip efficiency and lower overpotential compared with the PtAB and MCN electrodes The combination of the OER and ORR catalysts is proved as an effective way to improve the performance of lithiumair batteries

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