National Science & Technology Development Agency - Thailand; National Metal & Materials Technology Center (MTEC); Newcastle University - UK
Type
Article
Source Title
JOURNAL OF POWER SOURCES
ISSN
0378-7753
Year
2014
Volume
249
Issue
4
Open Access
Green Published, hybrid
Publisher
ELSEVIER
DOI
10.1016/j.jpowsour.2013.10.128
Format
PDF
Abstract
A macro-homogeneous model has been developed to evaluate the impact of replacing pure oxygen with ambient air on the performance of a rechargeable non-aqueous Li-air battery. The model exhibits a significant reduction in discharge capacity, e.g. from 1240 to 226 mAh g(carbon)(-1) at 0.05 mA cm(-2) when using ambient air rather than pure oxygen. The model correlates the relationship between the performance and electrolyte decomposition and formation of discharge products (such as Li2O2 and Li2CO3) under ambient air conditions. The model predicts a great benefit of using an oxygen-selective membrane on increasing capacity. The results indicate a good agreement between the experimental data and the model. (C) 2013 Elsevier B.V. All rights reserved.
Ministry of Science and Technology, Royal Thai Government; UK EPSRC [EP/I022570/1]; Engineering and Physical Sciences Research Council [EP/I022570/2, EP/I022570/1] Funding Source: researchfish; EPSRC [EP/I022570/1, EP/I022570/2] Funding Source: UKRI
