Double-layered hollow carbon sphere with large interlayer space combined with Co-SnS cat. as efficient sulfur hosts for Li-S batteries
文献类型：期刊论文
| 作者 | Zhong, Haoxiang; Zhang, Lingzhi
|
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2022-04-25 |
| 卷号 | 901页码:7 |
| 关键词 | Large interlayer space Double-layered hollow carbon sphere High sulfur utilization Co-SnS catalysis Improved cycling stability |
| ISSN号 | 0925-8388 |
| DOI | 10.1016/j.jallcom.2021.163608 |
| 通讯作者 | Zhang, Lingzhi(lzzhang@ms.giec.ac.cn) |
| 英文摘要 | The low sulfur utilization and the serious shuttle effect of polysulfides severely hamper practical application of Li-S batteries. Herein, sulfur cathodes with the multi-functional structures, featured with double-layered hollow carbon sphere with up to 50 nm interlayer space (DLHC-50) in situ grown Co-SnS catalytic layer is designed and synthesized for lithium sulfur batteries. Co-SnS/DLHC-50 can encapsulate 72% sulfur, higher than 63% for Co-SnS/DLHC-20 due to the large interlayer spaces of DLHC-50. Meanwhile, polysulfides are also effectively restricted via physical entrapment from DLHC-50 as well as chemical binding between CoSnS and polysulfides. Benefiting from the well-constructed host framework, Co-SnS/DLHC-50 @S shows higher specific capacity/capacity retention of 760.4 mA h g-1/72.9% after 500 cycles at 0.5 C, than that of 546.5 mA h g-1/62.2% and 668.9 mA h g-1/62.2%, for DLHC-50 @S, and Co-SnS/DLHC-20 @S, respectively. In addition, the strategy can be also extended to prepare other metal oxides (sulfides)/DLHC-50 for wide applications. Therefore, this work demonstrates a promising route to combat some bottlenecks such as low sulfur utilization, and the shuttle effect of polysulfides for Li-S batteries. (c) 2022 Elsevier B.V. All rights reserved. |
| WOS关键词 | CONFINING SULFUR ; LITHIUM ; PERFORMANCE ; CATHODE ; NANOPARTICLES ; REDUCTION |
| 资助项目 | National Natural Science Foundation of China[22075288] ; National Natural Science Foundation of China[21573239] |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000749786600001 |
| 出版者 | ELSEVIER SCIENCE SA |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.giec.ac.cn/handle/344007/35776]  |
| 专题 | 中国科学院广州能源研究所 |
| 通讯作者 | Zhang, Lingzhi |
| 作者单位 | Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhong, Haoxiang,Zhang, Lingzhi. Double-layered hollow carbon sphere with large interlayer space combined with Co-SnS cat. as efficient sulfur hosts for Li-S batteries[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,901:7. |
| APA | Zhong, Haoxiang,&Zhang, Lingzhi.(2022).Double-layered hollow carbon sphere with large interlayer space combined with Co-SnS cat. as efficient sulfur hosts for Li-S batteries.JOURNAL OF ALLOYS AND COMPOUNDS,901,7. |
| MLA | Zhong, Haoxiang,et al."Double-layered hollow carbon sphere with large interlayer space combined with Co-SnS cat. as efficient sulfur hosts for Li-S batteries".JOURNAL OF ALLOYS AND COMPOUNDS 901(2022):7. |
入库方式： OAI收割
来源：广州能源研究所
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