Articles with "porous activated" as a keyword



Venturello anion immobilized on the surface of porous activated carbon as heterogeneous catalyst for the epoxidation of olefins

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Published in 2020 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-020-01764-1

Abstract: An efficient epoxidation catalyst was prepared through the immobilization of Venturello anion, {PO 4 [W(O)(O 2 ) 2 ] 4 } 3− , onto aminopropyl-modified porous activated carbon (AC). First, the aminopropyl groups were anchored… read more here.

Keywords: venturello anion; porous activated; epoxidation; spectroscopy ... See more keywords
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A high performance nitrogen-doped porous activated carbon for supercapacitor derived from pueraria

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.02.078

Abstract: Abstract In this work, pueraria-based biomass nitrogen-doped porous activated carbon (NPC) was prepared by a simple two-step approach. Firstly, pueraria powder and melamine were fully mixed and hydrothermally treated. Secondly, the as-formed product was directly… read more here.

Keywords: nitrogen doped; doped porous; porous activated; density ... See more keywords
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Conversion Syzygium oleana leaves biomass waste to porous activated carbon nanosheet for boosting supercapacitor performances

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Published in 2020 at "Journal of materials research and technology"

DOI: 10.1016/j.jmrt.2020.09.049

Abstract: Abstract The porous activated carbon nanosheet derived from Syzygium oleana leaves biomass was prepared by one-stage integrated pyrolysis through both carbonization and physical activation for supercapacitor electrode as energy storage application. Carbonization was performed in… read more here.

Keywords: porous activated; oleana leaves; activated carbon; carbon nanosheet ... See more keywords
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A new method of synthesizing hemicellulose-derived porous activated carbon for high-performance supercapacitors

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2019.109707

Abstract: Abstract In this work, hemicellulose-derived porous activated carbon materials are synthesized by a new method. The nanoporous carbon is prepared for the first time by one-step chemical activation of hemicellulose. The hemicellulose extracted from pomelo… read more here.

Keywords: hemicellulose derived; derived porous; carbon; porous activated ... See more keywords
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Hierarchical porous activated graphene nanosheets with an ultra-high potential as electrode material for symmetric supercapacitors

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2020.110430

Abstract: Abstract Activated graphene nanosheets (AGNs) are fabricated from graphene nanosheets (GNSs) by the facile KOH activation process. It displays that the obtained AGNs have a hierarchical porous structure, leading to the superhigh specific surface area… read more here.

Keywords: hierarchical porous; activated graphene; porous activated; ultra high ... See more keywords
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Impact of KOH Activation on Rice Husk Derived Porous Activated Carbon for Carbon Capture at Flue Gas alike Temperatures with High CO2/N2 Selectivity

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.2c06955

Abstract: Metal-free porous activated carbon is an effective alternative to capture CO2 due to its high surface area and textural advantages. In this regard, the present research work explores a suitable method for producing activated porous… read more here.

Keywords: carbon; rice husk; activated carbon; porous activated ... See more keywords
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Al-MOF-derived spindle-like hierarchical porous activated carbon for advanced supercapacitors.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d1dt03395f

Abstract: Metal organic frameworks (MOFs) and their derivatives have been widely used in electrochemistry due to their adjustable pore size and high specific surface area (SSA). Herein, a spindle-like hierarchical porous activated carbon (SPC) was synthesized… read more here.

Keywords: hierarchical porous; carbon; activated carbon; porous activated ... See more keywords
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Accelerating the Oxygen Reduction Reaction and Oxygen Evolution Reaction Activities of N and P Co-Doped Porous Activated Carbon for Li-O2 Batteries

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Published in 2020 at "Catalysts"

DOI: 10.3390/catal10111316

Abstract: Rechargeable lithium–oxygen (Li-O2) batteries represent state-of-the-art electrochemical energy storage devices that provide high energy densities. However, their commercialization is challenging owing to their low charging/discharging efficiencies, short battery lives, high overpotentials, and high cathode manufacturing… read more here.

Keywords: oxygen; doped porous; porous activated; cathode ... See more keywords