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Toward More Reliable Lithium-Sulfur Batteries: An All-Graphene Cathode Structure
Fang, RP; Zhao, SY; Pei, SF; Qian, XT; Hou, PX; Cheng, HM; Liu, C; Li, F; Li, F (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-09-01
发表期刊ACS NANO
ISSN1936-0851
卷号10期号:9页码:8676-8682
摘要Lithium-sulfur (Li-S) batteries are attracting increasing interest due to their high theoretical specific energy density, low cost, and eco-ftiendliness. However, most reports of the high gravimetric specific capacity and long cyclic life are not practically reliable because of their low areal specific capacity derived from the low areal sulfur loading and low sulfur content. Here, we fabricated a highly porous graphene with high pore volume of 3.51 cm(3) g(-1) as the sulfur host, enabling a high sulfur content of 80 wt %, and based on this, we further proposed an all-graphene structure for the sulfur cathode with highly conductive graphene as the current collector and partially oxygenated graphene as a polysulfide-adsorption layer. This cathode structural design enables a 5 mg cm(-2) sulfur-loaded cathode showing both high initial gravimetric specific capacity (1500 mAh g(-1)) and areal specific capacity (7.5 mAh cm(-2)), together with excellent cycling stability for 400 cycles, indicating great promise for more reliable lithium-sulfur batteries.
部门归属[fang, ruopian ; zhao, shiyong ; pei, songfeng ; qian, xitang ; hou, peng-xiang ; cheng, hui-ming ; liu, chang ; li, feng] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
关键词Lithium Sulfur Batteries Graphene High Sulfur Loading
学科领域Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
资助者Ministry of Science and Technology of China [2014CB932402]; NSFC [51521091, 51525206, 51172239, 51372253, 51272051, U1401243]; "Strategic Priority Research Program" of the Chinese Academy of Sciences [XDA01020304, XDA09010104]; Key Research Program of the Chinese Academy of Sciences [KGZD-EW-T06]; CAS/SAFEA International Partnership Program for Creative Research Teams
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76278
专题中国科学院金属研究所
通讯作者Liu, C; Li, F (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Fang, RP,Zhao, SY,Pei, SF,et al. Toward More Reliable Lithium-Sulfur Batteries: An All-Graphene Cathode Structure[J]. ACS NANO,2016,10(9):8676-8682.
APA Fang, RP.,Zhao, SY.,Pei, SF.,Qian, XT.,Hou, PX.,...&Li, F .(2016).Toward More Reliable Lithium-Sulfur Batteries: An All-Graphene Cathode Structure.ACS NANO,10(9),8676-8682.
MLA Fang, RP,et al."Toward More Reliable Lithium-Sulfur Batteries: An All-Graphene Cathode Structure".ACS NANO 10.9(2016):8676-8682.
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