Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage
Transition metal sulfides have drawn increasing attention as anode materials for sodium-ion batteries (SIBs) due to their high theoretical capacities. However, their practical application is still hindered by the rapid decay of capacity and severe volume variation during cycling. Herein, we construct...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-04-01
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| Series: | Next Energy |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949821X24001352 |
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| author | Yamei Wang Rui Wu Xiaobin Niu Hanchao Li Jun Song Chen Wei Li |
| author_facet | Yamei Wang Rui Wu Xiaobin Niu Hanchao Li Jun Song Chen Wei Li |
| author_sort | Yamei Wang |
| collection | DOAJ |
| description | Transition metal sulfides have drawn increasing attention as anode materials for sodium-ion batteries (SIBs) due to their high theoretical capacities. However, their practical application is still hindered by the rapid decay of capacity and severe volume variation during cycling. Herein, we constructed a hollow microspheres material composed of Co9S8-modified CoS nanosheets with the heterostructured interface through a one-step solvothermal method. When applied as the anode for SIBs, CoS/Co9S8 exhibited a superior specific capacity of 600 mAh g−1 after 100 cycles at 0.5 A g−1, and a remarkable cycling performance of 456 mAh g−1 after 1500 cycles at 5 A g−1. The outstanding electrochemical performance can be owed to the unique three-dimensional hollow hierarchical structure, which can effectively alleviate volume expansion during cycling. Moreover, density functional theory calculation further verified the improved electronic conductivity and structural stability because of the CoS/Co9S8 heterostructure. |
| format | Article |
| id | doaj-art-2cb653d23a1845bc9eee7a881cb30a80 |
| institution | OA Journals |
| issn | 2949-821X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Next Energy |
| spelling | doaj-art-2cb653d23a1845bc9eee7a881cb30a802025-08-20T02:29:11ZengElsevierNext Energy2949-821X2025-04-01710023010.1016/j.nxener.2024.100230Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storageYamei Wang0Rui Wu1Xiaobin Niu2Hanchao Li3Jun Song Chen4Wei Li5School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, ChinaSchool of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China; Corresponding authors.School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China; Institute for Advanced Study, Chengdu University, Chengdu 610106, China; Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen, China; Corresponding authors.School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China; Hubei Key Lab of Biomass Resource Chemistry and Environmental Biotechnology, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China; Corresponding authors.Transition metal sulfides have drawn increasing attention as anode materials for sodium-ion batteries (SIBs) due to their high theoretical capacities. However, their practical application is still hindered by the rapid decay of capacity and severe volume variation during cycling. Herein, we constructed a hollow microspheres material composed of Co9S8-modified CoS nanosheets with the heterostructured interface through a one-step solvothermal method. When applied as the anode for SIBs, CoS/Co9S8 exhibited a superior specific capacity of 600 mAh g−1 after 100 cycles at 0.5 A g−1, and a remarkable cycling performance of 456 mAh g−1 after 1500 cycles at 5 A g−1. The outstanding electrochemical performance can be owed to the unique three-dimensional hollow hierarchical structure, which can effectively alleviate volume expansion during cycling. Moreover, density functional theory calculation further verified the improved electronic conductivity and structural stability because of the CoS/Co9S8 heterostructure.http://www.sciencedirect.com/science/article/pii/S2949821X24001352Sodium-ion batteryHeterostructured interfaceThree-dimensional hierarchical structureCobalt sulfidesAnode material |
| spellingShingle | Yamei Wang Rui Wu Xiaobin Niu Hanchao Li Jun Song Chen Wei Li Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage Next Energy Sodium-ion battery Heterostructured interface Three-dimensional hierarchical structure Cobalt sulfides Anode material |
| title | Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage |
| title_full | Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage |
| title_fullStr | Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage |
| title_full_unstemmed | Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage |
| title_short | Constructing hierarchical hollow microspheres with Co9S8-modified CoS nanosheets for high-performance sodium storage |
| title_sort | constructing hierarchical hollow microspheres with co9s8 modified cos nanosheets for high performance sodium storage |
| topic | Sodium-ion battery Heterostructured interface Three-dimensional hierarchical structure Cobalt sulfides Anode material |
| url | http://www.sciencedirect.com/science/article/pii/S2949821X24001352 |
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