Journal ArticleDOI
Single step synthesis of activated bio-carbons with a high surface area and their excellent CO2 adsorption capacity
Gurwinder Singh,In Young Kim,Kripal S. Lakhi,Prashant Srivastava,Ravi Naidu,Ravi Naidu,Ajayan Vinu +6 more
TLDR
In this paper, a single step reaction between Arundo donax and solid KOH at 600°C for 2h was developed to synthesize activated microporous carbons with a high specific surface area.About:
This article is published in Carbon.The article was published on 2017-05-01. It has received 234 citations till now. The article focuses on the topics: Microporous material & Adsorption.read more
Citations
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High surface area porous carbon from cotton stalk agro-residue for CO2 adsorption and study of techno-economic viability of commercial production
TL;DR: In this paper, porous carbon was derived from abundantly available, non-fodder cotton stalk agro-residue via single-step KOH + alum chemical activation, which exhibited notable BET surface area of 2695 m2/g, and CO2 adsorption capacity of 6.9 mmol/g at 273 K/1 bar and 4.24 mmol /g at 298 K/2 bar respectively.
Journal ArticleDOI
Rapid, simple and sustainable synthesis of ultra-microporous carbons with high performance for CO2 uptake, via microwave heating
Gabriela Durán-Jiménez,Lee A. Stevens,Emily T. Kostas,Virginia Hernández-Montoya,John P. Robinson,Eleanor Binner +5 more
TL;DR: In this article, a one-step microwave pyrolysis-activation method was developed for the preparation of activated carbons from biomass with high CO2 capture efficiency by employing a low impregnation ratio (1) of KOH and K2CO3.
Journal ArticleDOI
Plasma-Modified N/O-Doped Porous Carbon for CO2 Capture: An Experimental and Theoretical Study
TL;DR: In this paper, N/O-codoped porous carbon was prepared for CO2 capture through biomass hydrothermal carbonization and nonthermal plasma treatment, and density functional theory (DFT) calculations were used to understa...
Journal ArticleDOI
Nanocatalytic conversion of CO2 into nanodiamonds
Ali Reza Kamali,Ali Reza Kamali +1 more
TL;DR: In this article, the nucleation of diamond crystallites within the nanostructure of carbon encapsulated Li2CO3 was demonstrated by high resolution transmission and scanning electron microscopy, X-ray diffraction and Raman spectrometry.
Journal ArticleDOI
Co@C/CoOx coupled with N-doped layer-structured carbons for excellent CO2 capture and oxygen reduction reaction
Huayang Zhang,Huayang Zhang,Wenjie Tian,Zhao Qian,Tianhong Ouyang,Martin Saunders,Jingyu Qin,Shaobin Wang,Moses O. Tadé,Hongqi Sun +9 more
TL;DR: In this paper, a pyrolysis process for fabrication of hierarchically layer-structured porous carbons with nitrogen doping and cobalt modification (Co-N-PCs) for efficient high-pressure CO2 gas adsorption and oxygen reduction reaction (ORR).
References
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Journal ArticleDOI
Adsorbent Materials for Carbon Dioxide Capture from Large Anthropogenic Point Sources
TL;DR: The CO(2) adsorption behavior of several different classes of solid carbon dioxide adsorbents, including zeolites, activated carbons, calcium oxides, hydrotalcites, organic-inorganic hybrids, and metal-organic frameworks are described.
Journal ArticleDOI
KOH activation of carbon-based materials for energy storage
Jiacheng Wang,Stefan Kaskel +1 more
TL;DR: In this article, the textural properties and surface chemistry of KOH-activated carbons depend on not only the synthesis parameters, but also different carbon sources employed including fossil/biomass-derived materials, synthetic organic polymers, and various nanostructured carbons (e.g. carbon nanotubes, carbon nanofibers, carbon aerogels, carbide-derived carbons, graphene, etc.).
Journal ArticleDOI
A facile soft-template synthesis of mesoporous polymeric and carbonaceous nanospheres
Jian Liu,Jian Liu,Tianyu Yang,Dawei Wang,Gao Qing Lu,Dongyuan Zhao,Shi-Zhang Qiao,Shi-Zhang Qiao +7 more
TL;DR: In this article, a route for the controlled synthesis of mesoporous polymer nanospheres, which can be further converted into carbon nanosphere through carbonization, is presented.
Journal ArticleDOI
The forms of alkalis in the biochar produced from crop residues at different temperatures
TL;DR: The forms of alkalis of the biochars produced from the straws of canola, corn, soybean and peanut at different temperatures (300, 500 and 700°C) were studied by means of oxygen-limited pyrolysis and it was suggested that carbonates were the major alkaline components in theBiochars generated at the high temperature.
Journal ArticleDOI
Understanding chemical reactions between carbons and NaOH and KOH: An insight into the chemical activation mechanism
TL;DR: In this article, the drying process, the atmosphere during the carbonisation, the chemical state of the activating agents (NaOH, KOH and Na 2 CO 3 ) and the chemical reactions occurring during the heat treatment have been analyzed to deep into the fundamental of the knowledge of this chemical activation process.
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