Ionic Liquid Electrolytes for Li-Air Batteries: Lithium Metal Cycling

被引:66
作者
Grande, Lorenzo [1 ,2 ]
Paillard, Elie [1 ,2 ]
Kim, Guk-Tae [1 ,2 ]
Monaco, Simone [3 ]
Passerini, Stefano [1 ,2 ,4 ]
机构
[1] Univ Munster, Inst Phys Chem, D-48149 Munster, Germany
[2] Univ Munster, Munster Electrochem Energy Technol MEET Battery, D-48149 Munster, Germany
[3] Alma Mater Studiorum Univ Bologna, Dipartimento Chim Giacomo Ciamician, I-40126 Bologna, Italy
[4] Karlsruhe Inst Technol, Helmholtz Inst Ulm, D-89081 Ulm, Germany
来源
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2014年 / 15卷 / 05期
关键词
lithium air batteries; ionic liquids; lithium metal; electrolytes; Pyr(14)TFSI; efficiency calculation; solid electrolyte interphase (SEI); TERNARY POLYMER ELECTROLYTES; ELECTROCHEMICAL PROPERTIES; OXYGEN BATTERY; ELECTRODES; SEI; CYCLABILITY; PERFORMANCE; EFFICIENCY; CATHODE; SYSTEMS;
D O I
10.3390/ijms15058122
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
In this work, the electrochemical stability and lithium plating/stripping performance of N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl) imide (Pyr(14)TFSI) are reported, by investigating the behavior of Li metal electrodes in symmetrical Li/electrolyte/Li cells. Electrochemical impedance spectroscopy measurements and galvanostatic cycling at different temperatures are performed to analyze the influence of temperature on the stabilization of the solid electrolyte interphase (SEI), showing that TFSI-based ionic liquids (ILs) rank among the best candidates for long-lasting Li-air cells.
引用
收藏
页码:8122 / 8137
页数:16
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