提高锂氧电池用二甲基亚砜电解液中锂阳极的循环效率

ECS Electrochemistry Letters Pub Date : 2014-01-01 DOI:10.1149/2.007406EEL

M. Roberts, R. Younesi, W. Richardson, Jia Liu, T. Gustafsson, Jiefang Zhu, K. Edström

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引用次数: 48

摘要

如果考虑在锂氧电池中使用金属阳极系统，则需要高锂循环效率。在本研究中，电解质添加剂(0.3 M LiNO3和0.14 M VC)可以使局部DMSO基电解质的效率从25%提高到82.5%。此外，我们发现氧气也可以将循环效率提高到87%。这项工作强调了在替代溶剂(DMSO，乙腈和DMA)中开发金属O2电池时阳极考虑的重要性，并提出了改进性能的现实策略。©作者2014。由ECS出版。这是一篇在知识共享署名4.0许可(CC BY, http://creativecommons.org/licenses/by/4.0/)的条款下发布的开放获取文章，该许可允许在任何情况下不受限制地重复使用该作品

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Increased Cycling Efficiency of Lithium Anodes in Dimethyl Sulfoxide Electrolytes For Use in Li-O2 Batteries

High lithium cycling efficiencies are required if a metal anode system is to be considered for use in Li-O2 batteries. In this work electrolyte additives (0.3 M LiNO3 and 0.14 M VC) were used to increase the efficiency from 25 to 82.5% in the topical DMSO based electrolyte. Furthermore, we show that oxygen also acts to improve the cycling efficiency to 87%. This work highlights the importance of anode considerations in the development of metal O2 batteries in alternative solvents (DMSO, Acetonitrile and DMA) and suggests realistic strategies for performance improvements. © The Author(s) 2014. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any

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ECS Electrochemistry Letters ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

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