Sulfiphilic Nickel Phosphosulfide Enabled Li2S Impregnation in 3D Graphene Cages for Li-S Batteries

被引：150
|
作者：
Zhou, Guangmin [1 ]
Sun, Jie [1 ]
Jin, Yang [1 ]
Chen, Wei [1 ]
Zu, Chenxi [1 ]
Zhang, Rufan [1 ]
Qiu, Yongcai [1 ]
Zhao, Jie [1 ]
Zhuo, Denys [1 ]
Liu, Yayuan [1 ]
Tao, Xinyong [1 ]
Liu, Wei [1 ]
Yan, Kai [1 ]
Lee, Hye Ryoung [1 ]
Cui, Yi [1 ,2 ]
机构：
[1] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
[2] SLAC Natl Accelerator Lab, Stanford Inst Mat & Energy Sci, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA
来源：
ADVANCED MATERIALS | 2017年 / 29卷 / 12期
关键词：
LITHIUM-SULFUR BATTERY; CATHODE; COMPOSITES; PARTICLES; ELECTRODE; PROGRESS; SPHERES;
D O I：
10.1002/adma.201603366
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A 3D graphene cage with a thin layer of electrodeposited nickel phosphosulfide for Li2S impregnation, using ternary nickel phosphosulphide as a highly conductive coating layer for stabilized polysulfide chemistry, is accomplished by the combination of theoretical and experimental studies. The 3D interconnected graphene cage structure leads to high capacity, good rate capability and excellent cycling stability in a Li2S cathode.
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页数：11
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