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Improvements in Li air batteries through electrocatalysts, electrode structure design and modeling

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


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The performance of lithium oxygen batteries using a range of electrocatalysts is described. Alternative supports to carbons are considered including nickel foam, silver and titanium carbide. Titanium carbide gave exceptional discharge capacity of above 5000 mAh g (-1)(catalyst) which was twice that achieved with the best performing manganese dioxide catalyst. A Li metal air battery has produced cycling performance of 200 cycles with only a 50% reduction in capacity, in which it was operated for 3 months continuously. A macro-homogeneous model has been developed to evaluate the operating performance of a rechargeable non-aqueous Li-air battery.

Publication metadata

Author(s): Scott K, Sahapatsombut U, Cheng H

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 225th ECS Meeting

Year of Conference: 2014

Pages: 23-29

Print publication date: 01/01/2014

Publisher: The Electrochemical Society


DOI: 10.1149/06118.0023ecst

Series Title: Material and Electrode Designs for Energy Storage and Conversion