An electrochemical study of oxygen reduction in pyrrolidinium-based ionic liquids for lithium/oxygen batteries

被引：90

作者：

Monaco, Simone ^{[1
]}

Arangio, Andrea Mario ^{[1
]}

Soavi, Francesca ^{[1
]}

Mastragostino, Marina ^{[1
]}

Paillard, Elie ^{[2
]}

Passerini, Stefano ^{[2
]}

机构：

[1] Univ Bologna, Dipartimento Sci Met Elettrochim & Tecn Chim, I-40127 Bologna, Italy

[2] Univ Munster, MEET, Inst Phys Chem, D-48149 Munster, Germany

来源：

ELECTROCHIMICA ACTA | 2012年 / 83卷

关键词：

Lithium/oxygen battery; Pyrrolidinium-based ionic liquid; Oxygen redox reaction; Glassy carbon electrode; Cyclic voltammetry; TEMPERATURE MOLTEN-SALT; BIS(TRIFLUOROMETHYLSULFONYL) IMIDE; ELECTROLYTES; VOLTAMMETRY; BEHAVIOR; COUPLE;

D O I：

10.1016/j.electacta.2012.08.001

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The oxygen redox reaction (ORR) in pyrrolidinium-based ionic liquids (ILs) without and with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) is investigated at different temperatures for lithium/oxygen battery application. Results obtained by cyclic voltammetry. rotating disk electrode, and ultramicroelectrode potential steps at glassy carbon are reported and discussed in relation to the physical-chemical properties of the investigated ILs. Diffusion coefficients and solubility of oxygen in the ILs and tentative values of ORR heterogeneous rate constant in ILs without LiTFSI are reported. The effect of lithium salt on the ORR in IL is also discussed in view of lithium/oxygen battery application. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：94 / 104

页数：11

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