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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201904771
|2 doi
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|a pubmed24n1006.xml
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|a (DE-627)NLM301957789
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|a (NLM)31588636
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|a DE-627
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|e rakwb
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|a eng
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|a Xiong, Peixun
|e verfasserin
|4 aut
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|a Bismuth NanoparticleCarbon Composite Anodes for Ultralong Cycle Life and High-Rate Sodium-Ion Batteries
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|c 2019
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 26.11.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Bismuth has emerged as a promising anode material for sodium-ion batteries (SIBs), owing to its high capacity and suitable operating potential. However, large volume changes during alloying/dealloying processes lead to poor cycling performance. Herein, bismuth nanoparticlecarbon (Bi@C) composite is prepared via a facile annealing method using a commercial coordination compound precursor of bismuth citrate. The composite has a uniform structure with Bi nanoparticles embedded within a carbon framework. The nanosized structure ensures a fast kinetics and efficient alleviation of stress/strain caused by the volume change, and the resilient and conductive carbon matrix provides an interconnected electron transportation pathway. The Bi@C composite delivers outstanding sodium-storage performance with an ultralong cycle life of 30 000 cycles at a high current density of 8 A g-1 and an excellent rate capability of 71% capacity retention at an ultrahigh current rate of 60 A g-1 . Even at a high mass loading of 11.5 mg cm-2 , a stable reversible capacity of 280 mA h g-1 can be obtained after 200 cycles. More importantly, full SIBs by pairing with a Na3 V2 (PO4 )3 cathode demonstrates superior performance. Combining the facile synthesis and the commercial precursor, the exceptional performance makes the Bi@C composite very promising for practical large-scale applications
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|a Journal Article
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|a bismuth anodes
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|a energy storage
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|a nanoparticle@carbon composites
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|a sodium-ion batteries
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|a Bai, Panxing
|e verfasserin
|4 aut
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|a Li, Ang
|e verfasserin
|4 aut
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1 |
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|a Li, Benfang
|e verfasserin
|4 aut
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|a Cheng, Mingren
|e verfasserin
|4 aut
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|a Chen, Yiping
|e verfasserin
|4 aut
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|a Huang, Shuping
|e verfasserin
|4 aut
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|a Jiang, Qiang
|e verfasserin
|4 aut
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|a Bu, Xian-He
|e verfasserin
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|a Xu, Yunhua
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 48 vom: 06. Nov., Seite e1904771
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:31
|g year:2019
|g number:48
|g day:06
|g month:11
|g pages:e1904771
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|u http://dx.doi.org/10.1002/adma.201904771
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