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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201701968
|2 doi
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|a pubmed24n0910.xml
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|a (DE-627)NLM273173510
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|a DE-627
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|e rakwb
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|a eng
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|a Guo, Jin-Zhi
|e verfasserin
|4 aut
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|a High-Energy/Power and Low-Temperature Cathode for Sodium-Ion Batteries
|b In Situ XRD Study and Superior Full-Cell Performance
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 18.07.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Sodium-ion batteries (SIBs) are still confronted with several major challenges, including low energy and power densities, short-term cycle life, and poor low-temperature performance, which severely hinder their practical applications. Here, a high-voltage cathode composed of Na3 V2 (PO4 )2 O2 F nano-tetraprisms (NVPF-NTP) is proposed to enhance the energy density of SIBs. The prepared NVPF-NTP exhibits two high working plateaux at about 4.01 and 3.60 V versus the Na+ /Na with a specific capacity of 127.8 mA h g-1 . The energy density of NVPF-NTP reaches up to 486 W h kg-1 , which is higher than the majority of other cathode materials previously reported for SIBs. Moreover, due to the low strain (≈2.56% volumetric variation) and superior Na transport kinetics in Na intercalation/extraction processes, as demonstrated by in situ X-ray diffraction, galvanostatic intermittent titration technique, and cyclic voltammetry at varied scan rates, the NVPF-NTP shows long-term cycle life, superior low-temperature performance, and outstanding high-rate capabilities. The comparison of Ragone plots further discloses that NVPF-NTP presents the best power performance among the state-of-the-art cathode materials for SIBs. More importantly, when coupled with an Sb-based anode, the fabricated sodium-ion full-cells also exhibit excellent rate and cycling performances, thus providing a preview of their practical application
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|a Journal Article
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|a cathodes
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|a high energy
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|a low-temperature performance
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|a sodium-ion full batteries
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|a sodium-super-ion conductor
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|a Wang, Peng-Fei
|e verfasserin
|4 aut
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|a Wu, Xing-Long
|e verfasserin
|4 aut
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|a Zhang, Xiao-Hua
|e verfasserin
|4 aut
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|a Yan, Qingyu
|e verfasserin
|4 aut
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|a Chen, Hong
|e verfasserin
|4 aut
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|a Zhang, Jing-Ping
|e verfasserin
|4 aut
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|a Guo, Yu-Guo
|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 29(2017), 33 vom: 22. Sept.
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:29
|g year:2017
|g number:33
|g day:22
|g month:09
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|u http://dx.doi.org/10.1002/adma.201701968
|3 Volltext
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