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Promoting Electrocatalytic Conversion of Polysulfide using Cobalt Disulfide Nanocrystals for Lithium Sulfur Batteries

文献类型：期刊论文

作者Hu, Qianqian1,2,3; Wang, Biao1,2,4; Lu, Jiqun2; Zhang, Congcong1,2; Yang, Chun1,2,4; Chang, Shiyong3; Dong, Haiyong3; Wu, Chunyu3; Hong, Ye5; Zhang, Lingzhi2
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2020-10-01
卷号124期号:39页码:21319-21328
ISSN号1932-7447
DOI10.1021/acs.jpcc.0c06135
通讯作者Hong, Ye(hongye2016@163.com) ; Zhang, Lingzhi(lzzhang@ms.giec.ac.cn)
英文摘要Lithium sulfur batteries provide one of the most attractive opportunities for next generation energy storage devices benefiting from their particularly high energy density. However, the obstacle mainly originating from the sluggish conversion kinetics between the soluble lithium polysulfide immediate and S/Li2S/Li2S2 results in lithium sulfur batteries with low sulfur usage and coulombic efficiency, poor cycling, and rate performance. In this work, a new cathode host material with cobalt disulfide nanoparticles supported on reduced graphene oxides (GOs) has been designed to enhance the interactive affinity to lithium polysulfide and accelerate polysulfide conversion more effectively. With the implementation of these metal chalcogenides, a sulfur cathode with low polarization, stable cycling performance, and high rate capability is obtained. Moreover, this work offers solid evidence from the post mortem analysis of symmetric cells such as SEM and XPS, confirming the origin of the catalytic effects from cobalt disulfide nanocrystals wrapped with reduced GOs in a sulfur battery.
WOS关键词CARBON ; PERFORMANCE ; CATHODE ; NANOTUBES ; COMPOSITE ; NANOCAGES ; NITROGEN ; SURFACE
资助项目K.C. Wong Education Foundation ; National Natural Science Foundation of China[21573239] ; Guangzhou Automobile Group, China
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000577151900010
出版者AMER CHEMICAL SOC
资助机构K.C. Wong Education Foundation ; National Natural Science Foundation of China ; Guangzhou Automobile Group, China
源URL[http://ir.giec.ac.cn/handle/344007/32180]  
专题中国科学院广州能源研究所
通讯作者Hong, Ye; Zhang, Lingzhi
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China
3.GAC Automot Res & Dev Ctr, Guangzhou 511434, Peoples R China
4.Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China
5.Guangdong Polytech Normal Univ, Ind Training Ctr, Guangzhou 510665, Peoples R China
推荐引用方式
GB/T 7714		 Hu, Qianqian,Wang, Biao,Lu, Jiqun,et al. Promoting Electrocatalytic Conversion of Polysulfide using Cobalt Disulfide Nanocrystals for Lithium Sulfur Batteries[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2020,124(39):21319-21328.
APA Hu, Qianqian.,Wang, Biao.,Lu, Jiqun.,Zhang, Congcong.,Yang, Chun.,...&Zhang, Lingzhi.(2020).Promoting Electrocatalytic Conversion of Polysulfide using Cobalt Disulfide Nanocrystals for Lithium Sulfur Batteries.JOURNAL OF PHYSICAL CHEMISTRY C,124(39),21319-21328.
MLA Hu, Qianqian,et al."Promoting Electrocatalytic Conversion of Polysulfide using Cobalt Disulfide Nanocrystals for Lithium Sulfur Batteries".JOURNAL OF PHYSICAL CHEMISTRY C 124.39(2020):21319-21328.

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来源：广州能源研究所

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