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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202109767
|2 doi
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|a pubmed24n1122.xml
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|a (NLM)35133699
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Lee, Kyungbin
|e verfasserin
|4 aut
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|a A 3D Hierarchical Host with Enhanced Sodiophilicity Enabling Anode-Free Sodium-Metal Batteries
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|c 2022
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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 07.04.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Sodium-metal batteries (SMBs) are considered as a compliment to lithium-metal batteries for next-generation high-energy batteries because of their low cost and the abundance of sodium (Na). Herein, a 3D nanostructured porous carbon particle containing carbon-shell-coated Fe nanoparticles (PC-CFe) is employed as a highly reversible Na-metal host. PC-CFe has a unique 3D hierarchy based on sub-micrometer-sized carbon particles, ordered open channels, and evenly distributed carbon-coated Fe nanoparticles (CFe) on the surface. PC-CFe achieves high reversibility of Na plating/stripping processes over 500 cycles with a Coulombic efficiency of 99.6% at 10 mA cm-2 with 10 mAh cm-2 in Na//Cu asymmetric cells, as well as over 14 400 cycles at 60 mA cm-2 in Na//Na symmetric cells. Density functional theory calculations reveal that the superior cycling performance of PC-CFe stems from the stronger adsorption of Na on the surface of the CFe, providing initial nucleation sites more favorable to Na deposition. Moreover, the full cell with a PC-CFe host without Na metal and a high-loading Na3 V2 (PO4 )3 cathode (10 mg cm-2 ) maintains a high capacity of 103 mAh g-1 at 1 mA cm-2 even after 100 cycles, demonstrating the operation of anode-free SMBs
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|a Journal Article
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|a 3D carbon host
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|a anode-free batteries
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|a dendrites
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|a high-energy-density batteries
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|a sodium-metal batteries
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|a Lee, Young Jun
|e verfasserin
|4 aut
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|a Lee, Michael J
|e verfasserin
|4 aut
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1 |
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|a Han, Junghun
|e verfasserin
|4 aut
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|a Lim, Jeonghoon
|e verfasserin
|4 aut
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|a Ryu, Kun
|e verfasserin
|4 aut
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|a Yoon, Hana
|e verfasserin
|4 aut
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|a Kim, Byung-Hyun
|e verfasserin
|4 aut
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|a Kim, Bumjoon J
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Seung Woo
|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 34(2022), 14 vom: 01. Apr., Seite e2109767
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:14
|g day:01
|g month:04
|g pages:e2109767
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|u http://dx.doi.org/10.1002/adma.202109767
|3 Volltext
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