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Improving performance of rechargeable Li-air batteries from using Li-Nafion^® binder

Lookup NU author(s): Dr Hua Cheng, Emeritus Professor Keith Scott

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Abstract

The rechargeable Li-air battery has a key role to play as a storage system for renewable energy and as the power system for electric vehicles. Effective cathode materials are required to improve its capacity, cycling ability and rate capability. In this work, an ionic conductive Li-Nafion (R) binder and Li-Nafion (R) membrane materials were fabricated and used to construct a novel rechargeable Li-O-2/air and all-solid battery. The battery achieved a high capacity over 1000 mA h (g solids)(-1) with good rate capability and capacity retention were achieved. Insight into the improved performance has been explored with the aid of TEM, XRD, galvanostatic charge discharge test and impedance analysis. (C) 2013 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Cheng H, Scott K

Publication type: Article

Publication status: Published

Journal: Electrochimica Acta

Year: 2014

Volume: 116

Pages: 51-58

Print publication date: 10/01/2014

Online publication date: 16/11/2013

Acceptance date: 08/11/2013

Date deposited: 12/06/2014

ISSN (print): 0013-4686

ISSN (electronic): 1873-3859

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.electacta.2013.11.018

DOI: 10.1016/j.electacta.2013.11.018

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