Bi2S3/Ketjen Black as a Highly Efficient Bifunctional Catalyst for Long-Cycle Lithium-Oxygen Batteries

被引：8

作者：

Xu, Peng ^{[1
]}

Zhu, Jiajia ^{[1
]}

Chen, Congdi ^{[1
]}

Xie, Jian ^{[2
]}

Wang, Miao ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Phys, 38 Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, Sch Mat Sci & Engn, 38 Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China

来源：

CHEMELECTROCHEM | 2019年 / 6卷 / 15期

关键词：

lithium-oxygen batteries; bifunctional catalyst; long-cycling stability; Bi2S3; Ketjen black; GRAPHENE OXIDE SHEETS; LI-O-2; BATTERY; CARBON NANOTUBES; CATHODE CATALYST; PERFORMANCE; NANOPARTICLES; ELECTRODE; NANOCOMPOSITE; COMPOSITES; NANOWIRES;

D O I：

10.1002/celc.201900191

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The Front Cover shows the discharge process of Li-O-2 batteries catalyzed by Bi2S3/Ketjen black (KB) and the different growth modes of Li2O2 on the cathodes. It is found that film-like Li2O2 is deposited on Bi2S3 nanorods prior to on KB at a low discharge capacity. As the discharge process proceeds, the Li2O2 will deposit on both Bi2S3 and KB at a high capacity, where Li2O2 crystallizes into nanosheets on KB. The merit of this growth mode is that the electrode deactivation will be deferred, and the side reactions will be refrained, leading to an excellent cycling performance.More information can be found in the Article by P. Xu et al.

引用

页码：3885 / 3891

页数：7

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