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Catalytic activity of Au/MWNTs nanocomposite on oxygen reduction reaction and a pplication on Li-O2 batteries

Lookup NU author(s): Professor Kun Luo, Dr Terrence Liu, Professor Keith Scott

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Abstract

© The Electrochemical Society. The composite of gold nanoparticles and mild oxidized MWNTs was used as catalytic cathode of Li-air battery, Au nanoparticles with the diameter of 2.1 nm were decorated by phosphorus ligand and the load weight of Au about 29 wt%. T he catalytic activity of A u/MWNTs was investigated by cyclic voltammetry (CV) and rotating disk electrode (RDE) which revealed that the electron number for ORR was 4.27, 2.98 and 3.77 in acid, neutral and base solution, respectively. This Li-air battery was cycled in DMSO/LiClO4 electrolyte, whose full-discharge capacity turn out to be 15700 mA h/g, which was higher than that of bulk gold and nickel form cathode, and this Li-air battery could cycle for 72 times with the capacity of 1000 mA h/g.


Publication metadata

Author(s): Luo K, Hao YZZ, Luo ZH, Zhu M, Liu XT, Scott K

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 18th International Meeting on Lithium Batteries (IMLB 2016)

Year of Conference: 2016

Pages: 101-107

Acceptance date: 02/04/2016

ISSN: 1938-5862

Publisher: Electrochemical Society Inc.

URL: https://doi.org/10.1149/07301.0101ecst

DOI: 10.1149/07301.0101ecst

Library holdings: Search Newcastle University Library for this item

Series Title: ECS Transactions

ISBN: 9781607685395


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