Electrochemical properties of monolithic nickel sulfide electrodes for use in sodium batteries

被引：23

作者：

Go, Dae-Yeon ^{[1
]}

Park, Jinsoo ^{[2
]}

Noh, Pan-Jin ^{[1
]}

Cho, Gyu-Bong ^{[1
]}

Ryu, Ho-Suk ^{[1
]}

Nam, Tae-Hyeon ^{[1
]}

Ahn, Hyo-Jun ^{[1
]}

Kim, Ki-Won ^{[1
]}

机构：

[1] Gyeongsang Natl Univ, RIGET, Dept Mat Engn & Convergence Technol, Jinju 660701, Gyeongnam, South Korea

[2] Kyungwoon Univ, Dept Mat & Energy Engn, Gumi Si 730739, Gyeongbuk, South Korea

来源：

MATERIALS RESEARCH BULLETIN | 2014年 / 58卷

基金：

新加坡国家研究基金会;

关键词：

Thin films; Chemical synthesis; Electrochemical measurements; Electrochemical properties; Energy storage; LITHIUM-ION BATTERIES; CATHODE MATERIAL; TEMPERATURE;

D O I：

10.1016/j.materresbull.2014.05.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Monolithic nickel sulfide electrodes were prepared using a facile synthesis method, sulfuration and annealing. As-prepared Ni3S2 electrodes were characterized by X-ray diffractometry and field emission scanning electron microscopy. Thermal stability was determined by thermal gravimetric analysis and differential scanning calorimetry. Electrochemical properties were measured by galvanostatic charge and discharge cycling for Na-ion batteries. Three kinds of Ni3S2 electrodes were prepared by varying the sulfuration time (5,15 and 25 min). The electrochemical results indicated that the capacities increased with an increase in sulfuration time and the cycle performance was stable as a result of monolithic integration of nanostructured Ni3S2 on Ni plates, leading to low interfacial resistance. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：190 / 194

页数：5

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