The effect of alkalinity and temperature on the performance of lithium-air fuel cell with hybrid electrolytes

被引：61

作者：

He, Ping ^{[1
]}

Wang, Yonggang ^{[1
]}

Zhou, Haoshen ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058568, Japan

来源：

JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 13期

关键词：

Lithium-air fuel cell; Lithium super ionic conductor glass; Electrochemical performance; Galvanistatic measurement; Electrochemical impedance spectra; BATTERY; O-2;

D O I：

10.1016/j.jpowsour.2011.02.071

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A lithium-air fuel cell combined an air cathode in aqueous electrolyte with a metallic lithium anode in organic electrolyte can continuously reduce O(2) to provide capacity. Herein, the performance of this hybrid electrolyte based lithium-air fuel cell under the mixed control of alkalinity and temperature have been investigated by means of galvanistatic measurement and the analysis of electrochemical impedance spectra. Electromotive force and inner resistance of the cell decrease with the increase of LiOH concentration in aqueous electrolyte. The values ranged from 0.5 to 1.0 M could be the suitable parameters for the LiOH concentration of aqueous electrolyte. Environment temperature exhibited a significant influence on the performance of lithium-air fuel cell. The lithium-air fuel cell can provide a larger power at elevated temperature due to the decrease of all resistance of elements. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：5611 / 5616

页数：6

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