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| Structural Design and Synthesis of an SnO2@C@Co-NC Composite as a High-Performance Anode Material for Lithium-Ion Batteries | |
| Li, Qiongguang1,2; Wang, Yanhong2,3; Tan, Qiangqiang2,3; Zhong, Ziyi4,5; Su, Fabing2,3,6 | |
| 2020-09-16 | |
| Source Publication | CHEMISTRY-A EUROPEAN JOURNAL
 |
| ISSN | 0947-6539 |
| Pages | 10 |
| Abstract | To overcome the drawbacks of the structural instability and poor conductivity of SnO2-based anode materials, a hollow core-shell-structured SnO2@C@Co-NC (NC=N-doped carbon) composite was designed and synthesized by employing the heteroatom-doping and multiconfinement strategies. This composite material showed a much-reduced resistance to charge transfer and excellent cycling performance compared to the bare SnO(2)nanoparticles and SnO2@C composites. The doped heteroatoms and heterostructure boost the charge transfer, and the porous structure shortens the Li-ion diffusion pathway. Also, the volume expansion of SnO(2)NPs is accommodated by the hollow space and restricted by the multishell heteroatom-doped carbon framework. As a result, this structured anode material delivered a high initial capacity of 1559.1 mA h g(-1)at 50 mA g(-1)and an initial charge capacity of 627.2 mA h g(-1)at 500 mA g(-1). Moreover, the discharge capacity could be maintained at 410.8 mA h g(-1)after 500 cycles with an attenuation rate of only 0.069 % per cycle. This multiconfined SnO2@C@Co-NC structure with superior energy density and durable lifespan is highly promising for the next-generation lithium-ion batteries. |
| Keyword | core-shell structures doping electrochemistry nanoparticles nanostructures |
| DOI | 10.1002/chem.202002583 |
| Language | 英语 |
| WOS Keyword | METAL-ORGANIC FRAMEWORKS ; SNO2 NANOPARTICLES ; CARBON NANOTUBE ; HOLLOW SPHERES ; BINDER-FREE ; MICROSPHERES ; NANOCOMPOSITE ; NANOCRYSTALS ; NANOSPHERES ; GROWTH |
| Funding Project | National Natural Science Foundation of China[51772295] ; GTIIT ; key ChE fund by Guangdong province |
| WOS Research Area | Chemistry |
| WOS Subject | Chemistry, Multidisciplinary |
| Funding Organization | National Natural Science Foundation of China ; GTIIT ; key ChE fund by Guangdong province |
| WOS ID | WOS:000569402700001 |
| Publisher | WILEY-V C H VERLAG GMBH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/42099 |
| Collection | 中国科学院过程工程研究所 |
| Corresponding Author | Wang, Yanhong; Zhong, Ziyi; Su, Fabing |
| Affiliation | 1.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 3.Zhongke Langfang Inst Proc Engn, Fenghua Rd 1, Langfang 065001, Hebei, Peoples R China 4.Guangdong Technion Israel Inst Technol GTIIT, Coll Engn, 241 Daxue Rd, Jinping Dist 515063, Shantou, Peoples R China 5.Technion Israel Inst Technol IIT, IL-32000 Haifa, Israel 6.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Qiongguang,Wang, Yanhong,Tan, Qiangqiang,et al. Structural Design and Synthesis of an SnO2@C@Co-NC Composite as a High-Performance Anode Material for Lithium-Ion Batteries[J]. CHEMISTRY-A EUROPEAN JOURNAL,2020:10. |
| APA | Li, Qiongguang,Wang, Yanhong,Tan, Qiangqiang,Zhong, Ziyi,&Su, Fabing.(2020).Structural Design and Synthesis of an SnO2@C@Co-NC Composite as a High-Performance Anode Material for Lithium-Ion Batteries.CHEMISTRY-A EUROPEAN JOURNAL,10. |
| MLA | Li, Qiongguang,et al."Structural Design and Synthesis of an SnO2@C@Co-NC Composite as a High-Performance Anode Material for Lithium-Ion Batteries".CHEMISTRY-A EUROPEAN JOURNAL (2020):10. |
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