Improved performance of sulfur cathode by an easy and scale-up coating strategy

被引：20

作者：

Fang, Jing ^{[1
]}

Qin, Furong ^{[1
]}

Li, Jie ^{[1
]}

Zhang, Kai ^{[1
]}

Liu, Wenwen ^{[1
]}

Wang, Mengran ^{[1
]}

Yu, Fan ^{[1
]}

Zhang, Liyuan ^{[1
]}

机构：

[1] Cent S Univ, Sch Met & Environm, Changsha 410083, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2015年 / 297卷

基金：

中国国家自然科学基金;

关键词：

Lithium sulfur battery; Sulfur cathode; Polysulfides; Improved performance; Super P; CARBON PAPER; LITHIUM; BATTERIES; CAPACITY; GRAPHENE; ELECTRODE; HYBRID;

D O I：

10.1016/j.jpowsour.2015.06.153

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：

A new fabricating process for high-performance sulfur cathode is proposed. The fabricating process relies on two-step coating technique: firstly, high sulfur content slurry is coated on the current collector. After drying, the electrode is coated with another slurry composed of Super P and binder. The sulfur electrode with relatively high sulfur content/loading of 60 wt%/2 mg cm(-2) discharges capacity of similar to 695 mAh g(-1) at 0.5 C after 100 cycling. This method is easy for industrialization and well controlled over the areal sulfur loading and mass, therefore it is efficient for fabricating high-performance Li-S batteries with high-energy density. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：265 / 270

页数：6

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