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240902s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02392
|2 doi
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|a pubmed24n1536.xml
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|a eng
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|a Ni, Liye
|e verfasserin
|4 aut
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|a High Capacitance Performance N, O Codoped Carbon Foams Synthesized via an All-In-One Step Carbonization of Molecular Salt Strategy
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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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|a Date Revised 17.09.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The preparation of porous carbon is constrained by the extensive use and detrimental impact of activators and dopants. Therefore, developing green and efficient strategies that leverage the intrinsic properties and pretreatment of the materials to achieve self-activation and self-doping is particularly crucial for porous carbon materials. Herein, potassium histidine was utilized as the molecular salt precursor, attaining the efficient and streamlined preparation of porous carbon through a one-step carbonization process that enables self-activation, self-doping, and self-templating. More interestingly, the carbonization temperature significantly impacts the porous structure of the molecular salt precursors, the properties of the heteroatoms, and electrochemical performance. The designed electrodes exhibit high accessibility to electrolyte ions and effective ion-electron transport channels. Therefore, the optimal carbon material (KHis800) has an excellent mass-specific capacitance of 305.2 F g-1 at 0.2 A g-1, and a high capacitance retention rate of 115.6% (50,000 cycles at 5 A g-1). Notably, KHis800 also shows a maximum energy density of 19.6 Wh kg-1. This research is dedicated to exploring a more efficient preparation method for porous carbon material via molecular salts, offering insights for the sustainable development of carbon materials
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|a Journal Article
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|a Yang, Guangjie
|e verfasserin
|4 aut
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|a He, Chenweijia
|e verfasserin
|4 aut
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|a Lan, Tiancheng
|e verfasserin
|4 aut
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| 700 |
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|a He, Shuijian
|e verfasserin
|4 aut
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|a Yang, Haoqi
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Nan
|e verfasserin
|4 aut
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|a Chen, Rulan
|e verfasserin
|4 aut
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|a Liu, Li
|e verfasserin
|4 aut
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|a Wu, Fangdi
|e verfasserin
|4 aut
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|a Zhang, Qian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 37 vom: 17. Sept., Seite 19701-19710
|w (DE-627)NLM098181009
|x 1520-5827
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| 773 |
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|g volume:40
|g year:2024
|g number:37
|g day:17
|g month:09
|g pages:19701-19710
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02392
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