Synthesis of High Surface Area Carbon Nanospheres with Wrinkled Cages and Their CO2 Capture Studies

2018 ◽  
Vol 3 (38) ◽  
pp. 10684-10688 ◽  
Author(s):  
Baljeet Singh ◽  
Ayan Maity ◽  
Vivek Polshettiwar
2021 ◽  
Author(s):  
Gurwinder Singh ◽  
Rohan Bahadur ◽  
Ajanya Maria Ruban ◽  
Jefrin Marykala Davidraj ◽  
Dawei Su ◽  
...  

Nanoporous biocarbons derived from waste biomass have created significant attention owing to their great potential for energy storage and conversion and water purification. However, the fabrication technology for these materials...


Molecules ◽  
2021 ◽  
Vol 26 (7) ◽  
pp. 1962
Author(s):  
Mahboubeh Nabavinia ◽  
Baishali Kanjilal ◽  
Noahiro Fujinuma ◽  
Amos Mugweru ◽  
Iman Noshadi

To address the issue of global warming and climate change issues, recent research efforts have highlighted opportunities for capturing and electrochemically converting carbon dioxide (CO2). Despite metal doped polymers receiving widespread attention in this respect, the structures hitherto reported lack in ease of synthesis with scale up feasibility. In this study, a series of mesoporous metal-doped polymers (MRFs) with tunable metal functionality and hierarchical porosity were successfully synthesized using a one-step copolymerization of resorcinol and formaldehyde with Polyethyleneimine (PEI) under solvothermal conditions. The effect of PEI and metal doping concentrations were observed on physical properties and adsorption results. The results confirmed the role of PEI on the mesoporosity of the polymer networks and high surface area in addition to enhanced CO2 capture capacity. The resulting Cobalt doped material shows excellent thermal stability and promising CO2 capture performance, with equilibrium adsorption of 2.3 mmol CO2/g at 0 °C and 1 bar for at a surface area 675.62 m2/g. This mesoporous polymer, with its ease of synthesis is a promising candidate for promising for CO2 capture and possible subsequent electrochemical conversion.


2017 ◽  
Vol 1 (6) ◽  
pp. 1414-1424 ◽  
Author(s):  
Michael Cox ◽  
Robert Mokaya

Mesoporous carbons (with up to 95% of pore volume from mesopores) with surface area and pore volume of ∼4000 m2 g−1 and ∼3.6 cm3 g−1, respectively, are excellent CO2 absorbers under pre combustion conditions and can store 55 mmol g−1 (i.e., 2.42 g g−1) or 930 g l−1 at 25 °C and 50 bar.


Carbon ◽  
2011 ◽  
Vol 49 (14) ◽  
pp. 4848-4857 ◽  
Author(s):  
Daisuke Tashima ◽  
Eri Yamamoto ◽  
Nanami Kai ◽  
Daisuke Fujikawa ◽  
Go Sakai ◽  
...  

2016 ◽  
Vol 128 (6) ◽  
pp. 2072-2076 ◽  
Author(s):  
Dheeraj Kumar Singh ◽  
Katla Sai Krishna ◽  
Srinivasan Harish ◽  
Srinivasan Sampath ◽  
Muthusamy Eswaramoorthy

2020 ◽  
Vol 41 (5) ◽  
pp. 830-838 ◽  
Author(s):  
Guodong Li ◽  
Yongjie Qin ◽  
Yu Wu ◽  
Lei Pei ◽  
Qi Hu ◽  
...  

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Fei Xu ◽  
Zhiwei Tang ◽  
Siqi Huang ◽  
Luyi Chen ◽  
Yeru Liang ◽  
...  

Abstract Exceptionally large surface area and well-defined nanostructure are both critical in the field of nanoporous carbons for challenging energy and environmental issues. The pursuit of ultrahigh surface area while maintaining definite nanostructure remains a formidable challenge because extensive creation of pores will undoubtedly give rise to the damage of nanostructures, especially below 100 nm. Here we report that high surface area of up to 3,022 m2 g−1 can be achieved for hollow carbon nanospheres with an outer diameter of 69 nm by a simple carbonization procedure with carefully selected carbon precursors and carbonization conditions. The tailor-made pore structure of hollow carbon nanospheres enables target-oriented applications, as exemplified by their enhanced adsorption capability towards organic vapours, and electrochemical performances as electrodes for supercapacitors and sulphur host materials for lithium–sulphur batteries. The facile approach may open the doors for preparation of highly porous carbons with desired nanostructure for numerous applications.


2019 ◽  
pp. 17-19
Author(s):  
Svetlana Kashina ◽  
Marco Balleza ◽  
Araceli Jacobo-Azuara ◽  
Rosario Galindo-González

Objectives. Contamination with heavy metals has augmented in last decades due to several factors. So, scientific community has a challenge to develop new and more efficient methods for contaminants removal. Electroadsorption is one of investigated techniques with promising results. The main challenge with this technique is determination of optimal parameters, such as electrode material, time and conditions of adsorption. Material for electrode for electroadsorption must fulfil some criteria: high electroactive area, low electrical resistance and environmental compatibility. For that reason, our research group decided to synthetize a set of new carbon materials with high surface area and features than make them interesting to test them as an electrode material. Methodology. 3 carbon materials were synthetized by sol-gel method using different time and temperature conditions. All materials were characterized by scanning electron microscopy and other techniques. FTO glasses were modified with synthetized materials separately. Electroadsorption of Cu (II) was conducted at room temperature. Contribution. In this work we demonstrate an easy synthesis of 3 carbonaceous materials with high surface area capable to remove Cu (II) from water solution by electroadsorption.


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