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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202211603
|2 doi
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|a pubmed24n1176.xml
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|a (DE-627)NLM353085502
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|a (NLM)36802104
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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 |
1 |
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|a Guo, Wei
|e verfasserin
|4 aut
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| 245 |
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|a The Emerging Layered Hydroxide Plates with Record Thickness for Enhanced High-Mass-Loading Energy Storage
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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
|b cr
|2 rdacarrier
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|a Date Completed 11.05.2023
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|a Date Revised 11.05.2023
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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 The past decade has witnessed the development of layered-hydroxide-based self-supporting electrodes, but the low active mass ratio impedes its all-around energy-storage applications. Herein, the intrinsic limit of layered hydroxides is broken by engineering F-substituted β-Ni(OH)2 (Ni-F-OH) plates with a sub-micrometer thickness (over 700 nm), producing a superhigh mass loading of 29.8 mg cm-2 on the carbon substrate. Theoretical calculation and X-ray absorption spectroscopy analysis demonstrate that Ni-F-OH shares the β-Ni(OH)2 -like structure with slightly tuned lattice parameters. More interestingly, the synergy modulation of NH4 + and F- is found to serve as the key enabler to tailor these sub-micrometer-thickness 2D plates thanks to the modification effects on the (001) plane surface energy and local OH- concentration. Guided by this mechanism, the superstructures of bimetallic hydroxides and their derivatives are further developed, revealing they are a versatile family with great promise. The tailored ultrathick phosphide superstructure achieves a superhigh specific capacity of 7144 mC cm-2 and a superior rate capability (79% at 50 mA cm-2 ). This work highlights a multiscale understanding of how exceptional structure modulation happens in low-dimensional layered materials. The as-built unique methodology and mechanisms will boost the development of advanced materials to better meet future energy demands
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|a Journal Article
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|a high-mass-loading
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|a supercapacitors
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|a surface energy
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|a ultrathick plate superstructures
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|a β-Ni(OH)2
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|a Dun, Chaochao
|e verfasserin
|4 aut
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|a Marcus, Matthew A
|e verfasserin
|4 aut
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|a Venturi, Victor
|e verfasserin
|4 aut
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|a Gainsforth, Zack
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Feipeng
|e verfasserin
|4 aut
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| 700 |
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|a Feng, Xuefei
|e verfasserin
|4 aut
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|a Viswanathan, Venkatasubramanian
|e verfasserin
|4 aut
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| 700 |
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|a Urban, Jeffrey J
|e verfasserin
|4 aut
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|a Yu, Chang
|e verfasserin
|4 aut
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|a Zhang, Qiuyu
|e verfasserin
|4 aut
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|a Guo, Jinghua
|e verfasserin
|4 aut
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| 700 |
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|a Qiu, Jieshan
|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 35(2023), 19 vom: 15. Mai, Seite e2211603
|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:19
|g day:15
|g month:05
|g pages:e2211603
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|u http://dx.doi.org/10.1002/adma.202211603
|3 Volltext
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