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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207752
|2 doi
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|a pubmed24n1176.xml
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|a (DE-627)NLM352830263
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|a (NLM)36773327
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Liu, Tao
|e verfasserin
|4 aut
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|a Pore Perforation of Graphene Coupled with In Situ Growth of Co3 Se4 for High-Performance Na-Ion Battery
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|c 2023
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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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|a Date Completed 29.03.2023
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|a Date Revised 29.03.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Graphene-based nanomaterials have sprung up as promising anode materials for sodium-ion batteries due to the intriguing properties of graphene itself and the synergic effect between graphene and active materials. However, the 2D graphene sheet only allows the rapid diffusion of sodium ions along the parallel direction while that of the vertical direction is difficult, limiting the rate capability of graphene-based electrode materials. To tackle this problem, pore-forming engineering has been employed to perforate graphene and concurrently achieve the in situ growth of Co3 Se4 nanoparticles. The generation of in-plane nanohole breaks through the physical barriers of the graphene nanosheets, enabling the fast diffusion of electrolyte ions in the longitudinal direction. In addition, this design limits the aggregation of Co3 Se4 nanoparticles because of the high affinity of Co3 Se4 on graphene. Benefiting from the high conductivity and fast ion transport bestowed by the ingenious architecture, the Co3 Se4 /holey graphene exhibits a remarkable rate performance of 519.5 mAh g-1 at 5.0 A g-1 and desirable cycle stability. Conclusions drawn from this investigation are that the transport of sodium inside the graphene-based composites is crucial for rate performance enhancement and this method is effective in modifying graphene-based nanomaterials as potential anode materials
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|a Journal Article
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|a Co3Se4
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|a anode materials
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|a holey graphene
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|a in-plane nanoholes
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|a sodium-ion batteries
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1 |
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|a Yang, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Shaowen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiang, Ronghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Liuyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Jiaguo
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 13 vom: 23. März, Seite e2207752
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:13
|g day:23
|g month:03
|g pages:e2207752
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|u http://dx.doi.org/10.1002/adma.202207752
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