Effect of additives on the electrochemical properties of Fe2O3/C nanocomposite for Fe/air battery anode

被引：12

作者：

Bui Thi Hang ^{[1
]}

Doan Ha Thang ^{[2
]}

机构：

[1] Hanoi Univ Sci & Technol, Int Inst Mat Sci, 1 Dai Co Viet, Hanoi, Vietnam

[2] Minist Sci & Technol, Dept High Technol, 113 Tran Duy Hung, Hanoi, Vietnam

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2016年 / 762卷

关键词：

LiOH additive; K2S additive; Fe2O3/C nanocomposite electrode; Nanocarbon; Iron-air battery anode; ALKALINE IRON ELECTRODES; METAL-SULFIDE ADDITIVES; FE2O3-LOADED CARBON; FE/C COMPOSITE; AIR BATTERIES; DISCHARGE; CELLS;

D O I：

10.1016/j.jelechem.2015.12.012

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper, Fe2O3/C nanocomposite electrodes were prepared by loading Fe2O3 nanoparticles on various types of carbon via a chemical method for Fe/air battery anode. The effect of various additives, such as carbons, LiOH, and K2S, on the electrochemical properties of Fe2O3/C nanocomposite electrodes was investigated. The effects of LiOH and K2S additives depended on the employed carbon. For Fe2O3/C nanocomposite electrodes, the LiOH additive improved their cyclability and capacity retention, but had an insignificant effect on hydrogen evolution. The K2S additive had no beneficial effects on cyclability, but promoted the dissolution of iron to Fe(II) and significantly suppressed hydrogen evolution. Therefore, the LiOH additive provided more benefits than the K2S additive for the Fe2O3/C nanocomposite material. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：59 / 65

页数：7

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