Recycling application of Li-MnO2 batteries as rechargeable lithium-air batteries

NCUIR > College of Earth Sciences > Department of Atmospheric Sciences > journal & Dissertation > Item 987654321/100503

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Title:	Recycling application of Li-MnO2 batteries as rechargeable lithium-air batteries
Authors:	鄭芳怡;Hu, Yuxiang;Zhang, Tianran;Cheng, Fangyi;Zhao, Qing;Han, Xiaopeng;Chen, Jun
Contributors:	地球科學學院大氣科學學系
Keywords:	electrocatalysis;Li-MnO2 batteries;Lithium;lithium-air batteries;Manganese;manganese oxide;Oxygen;recycling
Date:	2015-03-27
Issue Date:	2026-04-21 14:04:39 (UTC+8)
Publisher:	John Wiley and Sons Ltd;Weinheim: WILEY-VCH Verlag
Abstract:	摘要： The ever‐increasing consumption of a huge quantity of lithium batteries, for example, Li–MnO2 cells, raises critical concern about their recycling. We demonstrate herein that decayed Li–MnO2 cells can be further utilized as rechargeable lithium–air cells with admitted oxygen. We further investigated the effects of lithiated manganese dioxide on the electrocatalytic properties of oxygen‐reduction and oxygen‐evolution reactions (ORR/OER). The catalytic activity was found to be correlated with the composition of LixMnO2 electrodes (0<x<1) generated in situ in aprotic Li–MnO2 cells owing to tuning of the Mn valence and electronic structure. In particular, modestly lithiated Li0.50MnO2 exhibited superior performance with enhanced round‐trip efficiency (ca. 76 %), high cycling ability (190 cycles), and high discharge capacity (10 823 mA h gcarbon−1). The results indicate that the use of depleted Li–MnO2 batteries can be prolonged by their application as rechargeable lithium–air batteries. Never say die: Depleted Li–MnO2 batteries could be further utilized as rechargeable Li–O2 batteries with admitted oxygen. Thus, when the manganese oxide electrode was lithiated in situ and exposed to air (see picture), the resulting battery showed superior performance, including high capacity, a low overpotential, high rate capability, and high cycling stability. 其他題名： Angew. Chem. Int. Ed 出版者： Weinheim: WILEY-VCH Verlag 出版日期： 2015-03-27 出處： Angewandte Chemie International Edition, 2015-03, Vol.54 (14), p.4338-4343 資源來源： Wiley Online Library - AutoHoldings Journals 版權： 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim 版權： 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. 版權： 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim 識別號： ISSN: 1433-7851 識別號： ISSN: 1521-3773 識別號： EISSN: 1521-3773 識別號： DOI: 10.1002/anie.201411626 識別號： PMID: 25678148 識別號： CODEN: ACIEAY
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