scholarly journals Direct Heating Amino Acids with Silica: A Universal Solvent-Free Assembly Approach to Highly Nitrogen-Doped Mesoporous Carbon Materials

2016 ◽  
Vol 26 (36) ◽  
pp. 6649-6661 ◽  
Author(s):  
Xingmin Gao ◽  
Zhi Chen ◽  
Yan Yao ◽  
Mengyuan Zhou ◽  
Yong Liu ◽  
...  
Keyword(s):  
Amino Acids ◽  
Mesoporous Carbon ◽  
Carbon Materials ◽  
Solvent Free ◽  
Nitrogen Doped ◽  
Direct Heating ◽  
Mesoporous Carbon Materials

Synthesis and Properties of Nitrogen-Doped Mesoporous Carbon Materials Obtained by Templating of SBA-15 with Melamine-Formaldehyde Resin

2012 ◽  
Vol 554-556 ◽  
pp. 778-782 ◽  
Author(s):  
Chao Liu ◽  
Yong Qi Hu ◽  
Yi Feng Yu ◽  
Yue Zhang ◽  
Yan Yan Wang ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Mesoporous Carbon ◽  
Carbon Materials ◽  
Textural Properties ◽  
Formaldehyde Resin ◽  
Melamine Formaldehyde ◽  
X Ray ◽  
Nitrogen Doped ◽  
Surface Areas ◽  
Mesoporous Carbon Materials

Nitrogen-doped mesoporous carbon materials have been synthesized by using melamine-formaldehyde resin as carbon precursor and SBA-15 as a removable template. The structure of the materials was investigated by X-ray diffraction, BET specific surface area analysis, Fourier transform infrared spectroscopy, and thermogravimetric analysis. X-ray and BET studies confirmed that a pore nanostructure is inherited from the silica templates. Fourier transform infrared spectroscopy analysis showed N atoms are strongly bonded in the carbon structure in heterocycles or nitrile functions. These mesoporous nitrogen-doped carbon materials exhibits textural properties with BET surface areas ranging between 400 and 600 m2/g and uniform pore size(3.9 nm). The mechanism of carbonization process is studied by thermogravimetric analysis. The ratio of melamine/formaldehyde plays an important role during the carbonization process for the surface areas and textural properties, and element analysis reveals that the nitrogen content of the mesoporous carbon materials is as high as 10wt%.

PVP-assisted preparation of nitrogen doped mesoporous carbon materials for supercapacitors

2020 ◽  
Vol 58 ◽  
pp. 197-204
Author(s):  
Juan Du ◽  
Aibing Chen ◽  
Yue Zhang ◽  
Shuang Zong ◽  
Haixia Wu ◽  
...  
Keyword(s):  
Mesoporous Carbon ◽  
Carbon Materials ◽  
Nitrogen Doped ◽  
Mesoporous Carbon Materials

Fe‐Co‐Ni/Nitrogen‐Doped Mesoporous Carbon Materials for Electrochemical Oxygen Reduction

2018 ◽  
Vol 3 (45) ◽  
pp. 12960-12966 ◽  
Author(s):  
Shujun Qiu ◽  
Wei Gao ◽  
Hongliang Peng ◽  
Hailiang Chu ◽  
Zehao Li ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Mesoporous Carbon ◽  
Carbon Materials ◽  
Nitrogen Doped ◽  
Mesoporous Carbon Materials ◽  
Electrochemical Oxygen

The large electrochemical capacitance of nitrogen-doped mesoporous carbon derived from egg white by using a ZnO template

RSC Advances ◽  
2015 ◽  
Vol 5 (119) ◽  
pp. 98177-98183 ◽  
Author(s):  
Jiucun Chen ◽  
Yinqin Liu ◽  
Wenjun Li ◽  
Huan Yang ◽  
Liqun Xu
Keyword(s):  
Zno Nanoparticles ◽  
Mesoporous Carbon ◽  
Carbon Materials ◽  
Egg White ◽  
Hard Template ◽  
Electrochemical Capacitance ◽  
Nitrogen Doped ◽  
Prepared Material ◽  
Supercapacitor Applications ◽  
Mesoporous Carbon Materials

We used ZnO nanoparticles as a hard template and egg white as a precursor to successfully synthesize nitrogen-doped mesoporous carbon materials and the as-prepared material was further used as an electrode material for supercapacitor applications.

scholarly journals High Capacity and Fast Kinetics of Potassium-Ion Batteries Boosted by Nitrogen-Doped Mesoporous Carbon Spheres

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Jiefeng Zheng ◽  
Yuanji Wu ◽  
Yong Tong ◽  
Xi Liu ◽  
Yingjuan Sun ◽  
...  
Keyword(s):  
Mesoporous Carbon ◽  
Active Sites ◽  
Carbon Materials ◽  
Potassium Ion ◽  
High Rate ◽  
Electrochemical Performances ◽  
Carbon Spheres ◽  
Fast Kinetics ◽  
Nitrogen Doped ◽  
Economic Price

AbstractIn view of rich potassium resources and their working potential, potassium-ion batteries (PIBs) are deemed as next generation rechargeable batteries. Owing to carbon materials with the preponderance of durability and economic price, they are widely employed in PIBs anode materials. Currently, porosity design and heteroatom doping as efficacious improvement strategies have been applied to the structural design of carbon materials to improve their electrochemical performances. Herein, nitrogen-doped mesoporous carbon spheres (MCS) are synthesized by a facile hard template method. The MCS demonstrate larger interlayer spacing in a short range, high specific surface area, abundant mesoporous structures and active sites, enhancing K-ion migration and diffusion. Furthermore, we screen out the pyrolysis temperature of 900 °C and the pore diameter of 7 nm as optimized conditions for MCS to improve performances. In detail, the optimized MCS-7-900 electrode achieves high rate capacity (107.9 mAh g−1 at 5000 mA g−1) and stably brings about 3600 cycles at 1000 mA g−1. According to electrochemical kinetic analysis, the capacitive-controlled effects play dominant roles in total storage mechanism. Additionally, the full-cell equipped MCS-7-900 as anode is successfully constructed to evaluate the practicality of MCS.

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