Articles with "porous nitrogen" as a keyword



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Natural nanofibers stacked porous nitrogen-doped carbon nanosheets with promising capacitive performance

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Published in 2019 at "Cellulose"

DOI: 10.1007/s10570-019-02487-w

Abstract: There are plenty of stacked pores with various scales in nature. The size of stacked pores is depending on the morphology and size of stacked materials. Inspired by this phenomenon, the hierarchical porous carbon-based electrode… read more here.

Keywords: nitrogen doped; doped carbon; carbon nanosheets; carbon ... See more keywords
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Hierarchically open-porous nitrogen-incorporated carbon polyhedrons derived from metal-organic frameworks for improved CDI performance

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.122996

Abstract: Abstract Capacitive deionization (CDI) is considered as a simple, robust, and environmentally favorable technology for water treatment. High performance electrode materials beyond commercial activated carbons (AC) should be developed for the practical application of CDI.… read more here.

Keywords: nitrogen incorporated; porous nitrogen; cdi; open porous ... See more keywords
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Porous nitrogen-enriched hollow carbon nanofibers as freestanding electrode for enhanced lithium storage

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Published in 2020 at "Chinese Journal of Chemical Engineering"

DOI: 10.1016/j.cjche.2020.09.055

Abstract: Abstract One-dimensional porous carbons bearing high surface areas and sufficient heteroatom doped functionalities are essential for advanced electrochemical energy storage devices, especially for developing freestanding film electrodes. Here we develop a porous, nitrogen-enriched, freestanding hollow… read more here.

Keywords: storage; porous nitrogen; carbon; nitrogen enriched ... See more keywords
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Porous nitrogen-doped MXene-based electrodes for capacitive deionization

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Published in 2020 at "Energy Storage Materials"

DOI: 10.1016/j.ensm.2019.09.013

Abstract: Abstract A facile and novel process is proposed and demonstrated to fabricate highly-porous nitrogen-doped MXene sheets (N–Ti3C2Tx) with great promise for seawater desalination. The nitrogen-doping is used to form a framework with open pore structures… read more here.

Keywords: nitrogen; doped mxene; nitrogen doped; porous nitrogen ... See more keywords
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Hierarchical porous nitrogen-doped graphite from tissue paper as efficient electrode material for symmetric supercapacitor

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Published in 2021 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2021.229670

Abstract: Abstract Hierarchical porous nitrogen-doped graphite from tissue paper (N-ATG) is synthesized and used as symmetric supercapacitor electrode material. Electrochemical characterizations show that the N-ATG has an ultrahigh capacitance of 696 F g−1 (473 F cm−3) at 0.5 A g−1 and mass… read more here.

Keywords: hierarchical porous; nitrogen doped; graphite tissue; doped graphite ... See more keywords
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Chrysanthemum derived hierarchically porous nitrogen-doped carbon as high performance anode material for Lithium/Sodium ion batteries

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Published in 2019 at "Powder Technology"

DOI: 10.1016/j.powtec.2018.11.100

Abstract: Abstract Biomass-derived carbons are widely considered and used in energy storage and conversion fields. In this work, chrysanthemum, a sustainable biomass raw material, is employed as a carbon source to fabricate a hierarchically porous nitrogen-doped… read more here.

Keywords: nitrogen doped; doped carbon; porous nitrogen; carbon ... See more keywords
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Formation of Nano-Dimensional NiCoO2 Encapsulated in Porous Nitrogen-Doped Carbon Sub-Microspheres from Bimetallic (Ni, Co) Organic Framework towards Efficient Lithium Storage.

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Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.9b11822

Abstract: Recently, rock-salt NiCoO2 (NCO) with desirable electronic conductivity has drawn enormous interest worldwide for energy-related applications. However, the intrinsically sluggish kinetics and electrode aggregation/volumetric change/pulverization during Li-insertion/extraction processes hugely limit its applications in Li-ion batteries… read more here.

Keywords: nitrogen doped; carbon; porous nitrogen; nano dimensional ... See more keywords
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Construction of a porous nitrogen-doped carbon nanotube with open-ended channels to effectively utilize the active sites for excellent oxygen reduction reaction activity.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc07249j

Abstract: We rationally designed and controllably fabricated a well-defined porous nitrogen-doped carbon nanotube with open-ended channels as a catalyst for the ORR by a twice pseudomorphic transformation of MnO2 nanotubes. The as-prepared O-NCNT catalysts exhibit an… read more here.

Keywords: nitrogen doped; porous nitrogen; doped carbon; nanotube open ... See more keywords
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Highly porous nitrogen-doped carbon for superior electric double-layer capacitors

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra09272e

Abstract: In recent years, the research of doping heteroatoms in a carbon framework for supercapacitive electrodes has drawn tremendous attention due to the highly active electrochemical performance characteristics of the resulting materials. Here, we present a… read more here.

Keywords: nitrogen; nitrogen doped; porous nitrogen; carbon ... See more keywords
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Advanced sodium storage properties of a porous nitrogen-doped carbon with a NiO/Cu/Cu2O hetero-interface derived from bimetal-organic frameworks.

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Published in 2019 at "Chemical communications"

DOI: 10.1039/c9cc08021j

Abstract: We designed an excellent-performance porous nitrogen-doped carbon material with a NiO/Cu/Cu2O hetero-interface derived from bimetal-organic frameworks. The hetero-interfaces between NiO/Cu/Cu2O could boost the Na+ diffusion and increase the electrical conductivity. The obtained composite achieves highly… read more here.

Keywords: nitrogen doped; porous nitrogen; doped carbon; cu2o ... See more keywords
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Hydrothermal Activation of Porous Nitrogen-Doped Carbon Materials for Electrochemical Capacitors and Sodium-Ion Batteries

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Published in 2020 at "Nanomaterials"

DOI: 10.3390/nano10112163

Abstract: Highly porous nitrogen-doped carbon nanomaterials have distinct advantages in energy storage and conversion technologies. In the present work, hydrothermal treatments in water or ammonia solution were used for modification of mesoporous nitrogen-doped graphitic carbon, synthesized… read more here.

Keywords: porous nitrogen; doped carbon; nitrogen doped; carbon ... See more keywords