Electrochemical properties of Na/Ni3S2 cells with liquid electrolytes using various sodium salts

被引：18

作者：

Kim, Jong-Seon ^{[1
]}

Lee, Sang-Won ^{[1
]}

Liu, Xiaojing ^{[1
]}

Cho, Gyu-Bong ^{[1
]}

Kim, Ki-Won ^{[1
]}

Ahn, In-Shup ^{[1
]}

Ahn, Jou-Hyeon ^{[2
]}

Wang, Guoxiu ^{[1
,3
]}

Ahn, Hyo-Jun ^{[1
]}

机构：

[1] Gyeongsang Natl Univ, Sch Mat Sci & Engn, WCUNGB, ReCAPT, Jinju 600701, South Korea

[2] Gyeongsang Natl Univ, Dept Chem & Biol Engn, Jinju 600701, South Korea

[3] Univ Technol Sydney, Dept Chem & Forens Sci, Sydney, NSW 2007, Australia

来源：

CURRENT APPLIED PHYSICS | 2011年 / 11卷 / 04期

关键词：

Sodium battery; Electrolyte; Sodium salt; Nickel sulfide cathode; ROOM-TEMPERATURE; DISCHARGE PROPERTIES; CATHODE MATERIAL; BATTERY;

D O I：

10.1016/j.cap.2011.01.046

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For a Na/Ni3S2 cell operating at room temperature, three kinds of tetra (ethylene glycol) dimethyl ether (TEGDME) electrolytes, containing sodium trifluoromethane sulfonate (NaCF3SO3), sodium hexafluorophosphate (NaPF6), and sodium perchlorate (NaClO4) salts, respectively, were prepared. Na/Ni3S2 cells with 1 M NaCF3SO3 in TEGDME showed a discharge plateau potential of 0.85 V and a first discharge capacity of 448 mAh/g. The discharge capacity decreased to 250 mAh/g after 40 cycles, which represented the best cycling performance among the three electrolytes. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：S11 / S14

页数：4

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