Electrochemical properties of sodium/pyrite battery at room temperature

被引：134

作者：

Kim, T. B. ^{[2
]}

Choi, J. W. ^{[1
]}

Ryu, H. S. ^{[1
,3
]}

Cho, G. B. ^{[1
]}

Kim, K. W. ^{[1
,3
]}

Ahn, J. H. ^{[1
]}

Cho, K. K. ^{[1
,3
]}

Ahn, H. J. ^{[1
,3
]}

机构：

[1] Gyeongsang Natl Univ, ITRC Energy Storage & Convers, Jinju, South Korea

[2] Osaka Univ, Grad Sch Engn, Div Mat & Mfg Sci, Osaka, Japan

[3] Gyeongsang Natl Univ, Global Leader Dev Ctr Icube Mat & Parts, Jinju, South Korea

来源：

JOURNAL OF POWER SOURCES | 2007年 / 174卷 / 02期

关键词：

sodium battery; pyrite (natural FeS2 ore) cathode; room temperature;

D O I：

10.1016/j.jpowsour.2007.06.093

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：

We investigated sodium/pyrite battery because sodium and pyrite (natural FeS2 ore) were very cheap materials. The sodium/pyrite battery showed high discharge capacity of 630 mAh g(-1)-FeS2 with 50 mA g(-1)-FeS2 at room temperature, which was higher than that of Li ion battery and Na/synthetic FeS2 battery. First discharge curve had one plateau-shaped voltage region of 1.3 V, which disappeared and changed to sloping shape after second cycle. The discharge capacity decreased continuously by repeated charge-discharge cycling, and remained 85 mAh g(-1)-FeS2 after 50th cycles. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：1275 / 1278

页数：4

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