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240911s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02493
|2 doi
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|a pubmed24n1530.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Ni, Liye
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Bimolecular Salt Strategy Enhances Heteroatom Doping and Porosity Optimization of Porous Carbon for Supercapacitors
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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 10.09.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a The incompatibility between electrolyte ions and electrode pore sizes, coupled with the extensive use of activators and dopants, significantly restricts the fabrication of porous carbon materials. Consequently, developing environmentally sustainable and efficient methodologies that exploit the intrinsic properties and pretreatment of materials to facilitate self-activation and self-doping becomes crucial. In this study, potassium histidine and magnesium histidine molecular salts were synthesized as precursors, enabling specific ion activation and bimetallic template-directed tunable porosity through a one-step carbonization process. Notably, the ratio of bimolecular salts significantly influenced the porous structure of carbon, the properties of heteroatoms, and the electrochemical performance. By optimizing the ratio, the porous carbon materials exhibited high accessibility to electrolyte ions and effective ion/electron transport channels. Consequently, the optimal sample (NOSPC-2) achieved a high specific capacitance of 318 F g-1 at 0.1 A g-1 and a good capacitance retention rate of 98.8% after 50,000 cycles at 5 A g-1. In addition, NOSPC-2 also boasted high energy density and power density, reaching 22 Wh kg-1 and 25 kW kg-1, respectively. This research represents a significant stride in advancing preparation technologies for small molecule derived porous carbon materials, providing valuable insights for the rational design of carbon electrode materials for capacitive energy storage
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|a Journal Article
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1 |
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|a Yang, Guangjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Chenweijia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lan, Tiancheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Haoqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Yongshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Shuijian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qian
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g (2024) vom: 10. Sept.
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g year:2024
|g day:10
|g month:09
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02493
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