Journal
ACTA PHYSICO-CHIMICA SINICA
Volume 34, Issue 4, Pages 377-390Publisher
PEKING UNIV PRESS
DOI: 10.3866/PKU.WHXB201709001
Keywords
Lithium sulfur battery; Graphene; Doping; Functionalization; Composites
Categories
Funding
- National Key R&D Program of China [2016YFA0200102, 2016YFB0100100, 2014CB932402]
- National Natural Science Foundation of China [51525206, 51521091, 51372253, U1401243]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09010104]
- Key Research Program of the Chinese Academy of Sciences [KGZD-EW-T06]
- Youth Innovation Promotion Association of the Chinese Academy of Sciences [2015150]
- Natural Science Foundation of Liaoning Province, China [2015021012]
- Institute of Metal Research [2015-PY03]
- CAS/SAFEA International Partnership Program for Creative Research Teams
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Lithium-sulfur (Li-S) batteries are promising electrochemical energy storage systems because of their high theoretical energy density, natural abundance, and environmental benignity. However, several problems such as the insulating nature of sulfur, high solubility of polysulfides, large volume variation of the sulfur cathode, and safety concerns regarding the lithium anode hinder the commercialization of Li-S batteries. Graphene-based materials, with advantages such as high conductivity and good flexibility, have shown effectiveness in realizing Li-S batteries with high energy density and high stability. These materials can be used as the cathode matrix, separator coating layer, and anode protection layer. In this review, the recent progress of graphene-based materials used in Li-S batteries, including graphene, functionalized graphene, heteroatom-doped graphene, and graphene-based composites, has been summarized. And perspectives regarding the development trend of graphene-based materials for Li-S batteries have been discussed.
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