期刊
NANOTECHNOLOGY
卷 34, 期 42, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6528/ace6a4
关键词
metal-organic frameworks; CdSe@rGO; lithium-ion battery; anode; ultrahigh performance
CdSe nanoparticles encapsulated with rGO (CdSe@rGO) were synthesized by a metal-organic framework derived method, combining the advantages of MOF-based, CdSe-based, and rGO-based materials. CdSe@rGO showed excellent cycling stability (396 mAh g(-1) at 0.3 A g(-1) after 200 cycles, 311 mAh g(-1) at 0.5 A g(-1) after 500 cycles) and rate performance (562 mAh g(-1) at 0.1 A g(-1) and 122.2 mAh g(-1) at 4 A g(-1)) for lithium-ion storage. This strategy can be extended to design other high-performance materials.
Considering the advantages of MOF-based, CdSe-based, and rGO-based materials, CdSe nanoparticles encapsulated with rGO (CdSe@rGO) were synthesized by a metal-organic framework derived method. CdSe nanoparticles encapsulated with rGO can effectively tolerate volume expansion and improve electrical conductivity, leading to excellent cycling stability (396 mAh g(-1) at 0.3 A g(-1) after 200 cycles, 311 mAh g(-1) at 0.5 A g(-1) after 500 cycles), and rate performance (562 mAh g(-1) at 0.1 A g(-1) and 122.2 mAh g(-1) at 4 A g(-1)) for lithium-ion storage. This strategy for preparing metal selenides protected by carbon layers can be extended to the design of other high-performance materials.
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