Electrochemical properties of sulfur electrode containing nano Al2O3 for lithium/sulfur cell

被引：183

作者：

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

Jung, B. S. ^{[2
]}

Lee, D. J. ^{[1
]}

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

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

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

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

Gu, H. B. ^{[3
]}

机构：

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

[2] Enerland Co Ltd, Ichon 467820, South Korea

[3] Chonnam Natl Univ, Coll Engn, Dept Elect Engn, Kwangju, South Korea

来源：

PHYSICA SCRIPTA | 2007年 / T129卷

关键词：

D O I：

10.1088/0031-8949/2007/T129/014

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

To prevent the dissolution of lithium polysulfides into liquid electrolyte and to promote the lithium/sulfur redox reaction, nano-sized Al2O3 particles having large specific surface area were added into sulfur electrode. The effects of nano-sized Al2O3 particles on the electrochemical properties of sulfur electrode for lithium/sulfur battery were investigated using CV measurements, charge/discharge tests and ionic conductivity measurements of liquid electrolyte. From the results, the sulfur electrode containing nano Al2O3 particles showed good cycle performance and higher discharge capacity of 660mAh g(-1)-sulfur than that of the sulfur electrode without nano Al2O3. It is therefore concluded that the addition of nano-sized Al2O3 particles gives the beneficial effects of preventing the dissolution of lithium polysulfides into liquid electrolyte.

引用

页码：62 / 65

页数：4

共 13 条

[1]

[Anonymous], [No title captured]

[2] Electrochemical characteristics of room temperature Li/FeS2 batteries with natural pyrite cathode [J].