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240903s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202407369
|2 doi
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|a pubmed24n1587.xml
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|a DE-627
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|a eng
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| 100 |
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|a Liu, Junjie
|e verfasserin
|4 aut
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|a Precisely Tunable Instantaneous Carbon Rearrangement Enables Low-Working-Potential Hard Carbon Toward Sodium-Ion Batteries with Enhanced Energy Density
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|c 2024
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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 Revised 01.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a As the preferred anode material for sodium-ion batteries, hard carbon (HC) confronts significant obstacles in providing a long and dominant low-voltage plateau to boost the output energy density of full batteries. The critical challenge lies in precisely enhancing the local graphitization degree to minimize Na+ ad-/chemisorption, while effectively controlling the growth of internal closed nanopores to maximize Na+ filling. Unfortunately, traditional high-temperature preparation methods struggle to achieve both objectives simultaneously. Herein, a transient sintering-involved kinetically-controlled synthesis strategy is proposed that enables the creation of metastable HCs with precisely tunable carbon phases and low discharge/charge voltage plateaus. By optimizing the temperature and width of thermal pulses, the high-throughput screened HCs are characterized by short-range ordered graphitic micro-domains that possess accurate crystallite width and height, as well as appropriately-sized closed nanopores. This advancement realizes HC anodes with significantly prolonged low-voltage plateaus below 0.1 V, with the best sample exhibiting a high plateau capacity of up to 325 mAh g-1. The energy density of the HC||Na3V2(PO4)3 full battery can therefore be increased by 20.7%. Machine learning study explicitly unveils the "carbon phase evolution-electrochemistry" relationship. This work promises disruptive changes to the synthesis, optimization, and commercialization of HC anodes for high-energy-density sodium-ion batteries
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|a Journal Article
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|a Na‐ion battery
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|a low‐voltage discharge/charge plateaus
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4 |
|a metastable hard carbon
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4 |
|a transient high‐temperature pulse
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|a tunable local carbon phases
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|a You, Yiwei
|e verfasserin
|4 aut
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|a Huang, Ling
|e verfasserin
|4 aut
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1 |
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|a Zheng, Qizheng
|e verfasserin
|4 aut
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1 |
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|a Sun, Zhefei
|e verfasserin
|4 aut
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|a Fang, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sha, Liyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Miao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhan, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Jinbao
|e verfasserin
|4 aut
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| 700 |
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|a Han, Ye-Chuang
|e verfasserin
|4 aut
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1 |
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|a Zhang, Qiaobao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yanan
|e verfasserin
|4 aut
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|a Wu, Shunqing
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Li
|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 36(2024), 44 vom: 16. Nov., Seite e2407369
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:44
|g day:16
|g month:11
|g pages:e2407369
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|u http://dx.doi.org/10.1002/adma.202407369
|3 Volltext
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