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240904s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02328
|2 doi
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|a eng
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| 100 |
1 |
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|a He, Chenweijia
|e verfasserin
|4 aut
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|a N/O Co-doped Porous Carbon with Controllable Porosity Synthesized via an All-in-One Step Method for a High-Rate-Performance Supercapacitor
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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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 A green and economical methodology to fabricate carbon-based materials with suitable pore size distributions is needed to achieve rapid electrolyte diffusion and improve the performance of supercapacitors. Here, a method combining in situ templates with self-activation and self-doping is proposed. By variation of the molar ratio of magnesium folate and potassium folate, the pore size distribution was effectively adjusted. The optimal carbon materials (Kx) have a high specific surface area (1021-1676 m2 g-1) and hierarchical pore structure, which significantly promotes its excellent capacitive properties. Notably, K2 shows an excellent mass specific capacitance of 233 F g-1 at 0.1 A g-1. It still retained 113 F g-1 at 55 A g-1. The assembled symmetric supercapacitor exhibited an outstanding cyclic stability. It maintains 100% capacitance after 100 000 cycles at 10 A g-1. The symmetric supercapacitor demonstrated a maximum power density of 99.8 kW kg-1. This study focuses on the preparation of layered pore structures to provide insights into the sustainable design 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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1 |
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|a Ni, Liye
|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 Peng, Yongshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xiangdong
|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 Song, Cheng
|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 |
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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 19665-19674
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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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:19665-19674
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02328
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