Functionalized Graphene-Based Cathode for Highly Reversible Lithium-Sulfur Batteries

被引：47

作者：

Kim, Jin Won ^{[1
]}

Ocon, Joey D. ^{[1
]}

Park, Dong-Won ^{[3
]}

Lee, Jaeyoung ^{[1
,2
,3
]}

机构：

[1] GIST, Sch Environm Sci & Engn, Electrochem React & Technol Lab, Kwangju 500712, South Korea

[2] GIST, Ertl Ctr Electrochem & Catalysis, Res Inst Solar & Sustainable Energies, Kwangju 500712, South Korea

[3] GIST, Res Inst Solar & Sustainable Energies, Lab Energy Storage Syst, Kwangju 500712, South Korea

来源：

CHEMSUSCHEM | 2014年 / 7卷 / 05期

关键词：

batteries; graphene oxide; lithium; reversibility; sulfur; LI-S BATTERIES; ELECTROCHEMICAL PROPERTIES; HIGH-CAPACITY; ENCAPSULATED SULFUR; CARBON; PERFORMANCE; OXIDE; ELECTRODE; COMPOSITES; NANOCOMPOSITE;

D O I：

10.1002/cssc.201300782

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this article, we highlight the salient issues in the development of lithium-sulfur battery (LSB) cathodes, present different points of view in solving them, and argue, why in the future, functionalized graphene or graphene oxide might be the ultimate solution towards LSB commercialization. As shown by previous studies and also in our recent work, functionalized graphene and graphene oxide enhance the reversibility of the charge-discharge process by trapping polysulfides in the oxygen functional groups on the graphene surface, thus minimizing polysulfide dissolution. This will be helpful for the rational design of new cathode structures based on graphene for LSBs with minimal capacity fading, low extra cost, and without the unnecessary weight increase caused by metal/metal oxide additives.

引用

页码：1265 / 1273

页数：9

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