The electrochemical properties of copper sulfide as cathode material for rechargeable sodium cell at room temperature

被引：78

作者：

Kim, Jong-Seon ^{[1
]}

Kim, Dong-Yeon ^{[1
]}

Cho, Gyu-Bong ^{[1
]}

Nam, Tae-Hyun ^{[1
]}

Kim, Ki-Won ^{[1
]}

Ryu, Ho-Suk ^{[1
]}

Ahn, Jou-Hyeon ^{[2
]}

Ahn, Hyo-Jun ^{[1
]}

机构：

[1] Gyeonsang Natl Univ, ERI, i Cube Ctr, Sch Mat Sci & Engn, Jinju, South Korea

[2] Gyeonsang Natl Univ, Dept Biol & Chem Engn, Jinju, South Korea

来源：

JOURNAL OF POWER SOURCES | 2009年 / 189卷 / 01期

关键词：

Copper sulfide; Sodium anode; Sodium rechargeable battery; Na/Cu2S; DISCHARGE PROPERTIES; POLYMER BATTERIES; ELECTROLYTE;

D O I：

10.1016/j.jpowsour.2008.10.057

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：

The sodium/copper sulfide (Na/Cu2S) rechargeable batteries are investigated using 1 M NaCF3SO3-TEGDME liquid electrolyte at room temperature. The first discharge curve of Na/Cu2S cells shows a slope shape without plateaus potential region. The first discharge capacity is 294 mAh g(-1) and decreases to 220 mAh g(-1) after 20 cycles. The discharge process can be explained by intercalation ofsodium into Cu2S phase without phase separation of Cu2S. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：864 / 868

页数：5

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