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|a 10.1002/adma.202410857
|2 doi
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|a pubmed24n1578.xml
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|a (DE-627)NLM379258498
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|a (NLM)39439132
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|a DE-627
|b ger
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|a eng
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|a Huang, Zefu
|e verfasserin
|4 aut
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|a High-Entropy Layered Oxide Cathode Materials with Moderated Interlayer Spacing and Enhanced Kinetics for Sodium-Ion Batteries
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 23.10.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Sodium-ion batteries (SIBs) with low cost and environmentally friendly features have recently attracted significant attention for renewable energy storage. Sodium layer oxides stand out as a type of promising cathode material for SIBs owing to their high capacity, good rate performance, and high compatibility for manufacturing. However, the poor cycling stability of layer oxide cathodes due to structure distortion greatly impacts their practical applications. Herein, a high entropy doped Cu, Fe, and Mn-based layered oxide (HE-CFMO), Na0.95Li0.05Mg0.05Cu0.20Fe0.22Mn0.35Ti0.13O2 for high-performance SIBs, is designed. The HE-CFMO cathode possesses high-entropy transition metal (TM) layers with a homogeneous stress distribution, providing a moderated interlayer spacing to maintain the structure stability and enhance Na+ ion diffusion. In addition, Li doping in TM layers increases the Mn valence state, which effectively suppresses John-Teller effect, thus stabilizing the layered structure during cycling. Furthermore, the use of nontoxic and low-cost raw materials benefits future commercialization and reduces the risk of environmental pollution. As a result, the HE-CFMO cathode exhibits a super cycling performance with a 95% capacity retention after 300 cycles. This work provides a promising strategy to improve the structure stability and reaction kinetics of cathode materials for SIBs
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|a Journal Article
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|a O3‐type structure
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|a cathode materials
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|a high entropy
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|a layered oxides
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|a sodium‐ion batteries
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|a Wang, Shijian
|e verfasserin
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|a Guo, Xin
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|a Marlton, Frederick
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|a Fan, Yameng
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|a Pang, Wei-Kong
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|a Huang, Tao
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|a Xiao, Jun
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|a Li, Dongfang
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|a Liu, Hao
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|a Gu, Qinfen
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|a Yang, Cheng-Chieh
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|a Dong, Chung-Li
|e verfasserin
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|a Sun, Bing
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|a Wang, Guoxiu
|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 (2024) vom: 22. Okt., Seite e2410857
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g year:2024
|g day:22
|g month:10
|g pages:e2410857
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|u http://dx.doi.org/10.1002/adma.202410857
|3 Volltext
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