Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Porous Carbon Nanosphere with Multiple Heteroatom Doping Derived from Silicon Oxycarbonitride as Sulfur Host for Lithium-Sulfur Batteries | |
Chen, Qingqing1,2; Hu, Jinlong1; Lu, Jiqun1,2; Li, Youpeng1; Zhang, Lingzhi1
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| 2021-04-30 | |
| Source Publication | ENERGY TECHNOLOGY
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| ISSN | 2194-4288 |
| Pages | 9 |
| Corresponding Author | Zhang, Lingzhi(lzzhang@ms.giec.ac.cn) |
| Abstract | The porous carbon nanosphere with multiple heteroatom doping derived from silicon oxycarbonitride (SiOCN) with an interconnected carbon and silica domains is reported as a robust host of the sulfur cathode for lithium-sulfur batteries. The synthesis of the porous carbon nanosphere (SiOCN-H) is straightforward etching spherical SiOCN prepared through pyrolysis of a Schiff-base-SiO2 precursor. The pore structure of SiOCN-H can be easily adjusted by altering the amount of tetraethyl orthosilicate added in the aldimine condensation reaction of 3-aminopropyl-triethoxysilane with glutaraldehyde. The optimized sample of SiOCN-H-1 possesses a larger pore volume of 1.433 cm(3) g(-1) and contains multiple heteroatoms of Si, O, and N with a total amount of about 21 wt%. The sulfur cathode based on SiOCN-H-1 exhibits decent cycling performance, retaining 77.2% of the initial capacity at 0.2C after 100 cycles. At 0.5C, the S/SiOCN-H-1 cathode still maintains remarkable cycling stability, delivering a reversible discharge capacity of 540 mAh g(-1) after 400 cycles with a low decay of 0.076% per cycle. The porous spherical structure and the chemical bonding capability of doped heteroatoms in SiOCN-H-1 primarily contribute to the high performances of the S/SiOCN-H-1 cathode by alleviating the dissolution and shuttle effect of polysulfides. |
| Keyword | etching lithium– sulfur batteries multiple heteroatom doping porous carbon nanospheres silicon oxycarbonitride |
| DOI | 10.1002/ente.202100067 |
| WOS Keyword | PERFORMANCE ; NITROGEN ; OXYCARBIDE ; CATHODE ; ANODE |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | China Postdoctoral Science Foundation[2020M682938] ; National Natural Science Foundation of China[22075288] |
| WOS Research Area | Energy & Fuels |
| Funding Organization | China Postdoctoral Science Foundation ; National Natural Science Foundation of China |
| WOS Subject | Energy & Fuels |
| WOS ID | WOS:000645562300001 |
| Publisher | WILEY-V C H VERLAG GMBH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/33007 |
| Collection | 中国科学院广州能源研究所 |
| Corresponding Author | Zhang, Lingzhi |
| Affiliation | 1.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 2.Univ Chinese Acad Sci, Guangzhou Inst Energy Convers, Beijing 100049, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Chen, Qingqing,Hu, Jinlong,Lu, Jiqun,et al. Porous Carbon Nanosphere with Multiple Heteroatom Doping Derived from Silicon Oxycarbonitride as Sulfur Host for Lithium-Sulfur Batteries[J]. ENERGY TECHNOLOGY,2021:9. |
| APA | Chen, Qingqing,Hu, Jinlong,Lu, Jiqun,Li, Youpeng,&Zhang, Lingzhi.(2021).Porous Carbon Nanosphere with Multiple Heteroatom Doping Derived from Silicon Oxycarbonitride as Sulfur Host for Lithium-Sulfur Batteries.ENERGY TECHNOLOGY,9. |
| MLA | Chen, Qingqing,et al."Porous Carbon Nanosphere with Multiple Heteroatom Doping Derived from Silicon Oxycarbonitride as Sulfur Host for Lithium-Sulfur Batteries".ENERGY TECHNOLOGY (2021):9. |
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