Transition metals (Fe, Co, and Ni) encapsulated in nitrogen-doped carbon nanotubes as bi-functional catalysts for oxygen electrode reactions

2016 ◽  
Vol 4 (5) ◽  
pp. 1694-1701 ◽  
Author(s):  
Yanyan Liu ◽  
Hongliang Jiang ◽  
Yihua Zhu ◽  
Xiaoling Yang ◽  
Chunzhong Li
Keyword(s):  
Carbon Nanotubes ◽  
Catalytic Activity ◽  
Carbon Nanotube ◽  
Transition Metal ◽  
Oxygen Electrode ◽  
Transition Metal Nanoparticles ◽  
Nitrogen Doped ◽  
Catalytic Activities ◽  
Electrode Reactions ◽  
Nitrogen Doped Carbon

Transition metal nanoparticles (Fe, Co, and Ni) encapsulated in N-doped carbon nanotube hybrids were prepared, and the catalytic activities of three catalysts are compared and discussed. The optimized Co/N-CNT catalyst exhibits superb bifunctional catalytic activity with a ΔEvalue of 0.78 V.

scholarly journals In situ synthesis of metal embedded nitrogen doped carbon nanotubes as an electrocatalyst for the oxygen reduction reaction with high activity and stability

RSC Advances ◽  
2018 ◽  
Vol 8 (44) ◽  
pp. 25051-25056 ◽  
Author(s):  
Yanhong Yin ◽  
Hengbo Zhang ◽  
Rongzhen Gao ◽  
Aili Wang ◽  
Xinxin Mao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
High Activity ◽  
Reduction Reaction ◽  
In Situ Synthesis ◽  
Nitrogen Doped ◽  
Nitrogen Doped Carbon

In this work, a Co–N doped carbon nanotube (CNT) catalyst was fabricated via a simple pyrolysis approach.

Trapping and sensing of hazardous insecticides by chemically modified single walled carbon nanotubes

2017 ◽  
Vol 19 (35) ◽  
pp. 24059-24066 ◽  
Author(s):  
Arkamita Bandyopadhyay ◽  
Dibyajyoti Ghosh ◽  
Swapan K. Pati
Keyword(s):  
Carbon Nanotubes ◽  
Transition Metal ◽  
Computational Study ◽  
Single Walled Carbon Nanotubes ◽  
Ambient Condition ◽  
Nitrogen Doped ◽  
Chemically Modified ◽  
Nitrogen Doped Carbon ◽  
Walled Carbon Nanotubes ◽  
Incorporated Nitrogen

Computational study demonstrates transition metal incorporated nitrogen doped carbon nanotubes can efficiently trap various harmful insecticides at ambient condition.

Nitrogen-doped carbon nanotube supported double-shelled hollow composites for asymmetric supercapacitors

2018 ◽  
Vol 42 (1) ◽  
pp. 150-160 ◽  
Author(s):  
Yayun Zheng ◽  
Jie Xu ◽  
Yan Zhang ◽  
Xiaoshan Yang ◽  
Yingjiu Zhang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Electrochemical Performance ◽  
Hollow Structure ◽  
Asymmetric Supercapacitors ◽  
Nitrogen Doped ◽  
Nitrogen Doped Carbon

A double-shelled hollow structure N–C@NiMoO4 composite was prepared taking N-doped carbon nanotubes as a skeleton, and exhibited high electrochemical performance for supercapacitors.

Nitrogen-doped carbon nanotubes via a facile two-step approach as an efficient catalyst for the direct dehydrogenation of ethylbenzene

2015 ◽  
Vol 17 (29) ◽  
pp. 18895-18899 ◽  
Author(s):  
Zhongkui Zhao ◽  
Yitao Dai ◽  
Guifang Ge ◽  
Xinwen Guo ◽  
Guiru Wang
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Catalytic Performance ◽  
Efficient Catalyst ◽  
Nitrogen Doped ◽  
Dehydrogenation Of Ethylbenzene ◽  
Nitrogen Doped Carbon

A two-step approach including prior air activation and melamine pyrolysis was used to prepare N-doped carbon nanotube with superior catalytic performance for the ethylbenzene direct dehydrogenation to classical one prepared only by pyrolysis of melamine.

Spontaneous linker-free binding of polyoxometalates on nitrogen-doped carbon nanotubes for efficient water oxidation

2017 ◽  
Vol 5 (5) ◽  
pp. 1941-1947 ◽  
Author(s):  
Gil Yong Lee ◽  
Insu Kim ◽  
Joonwon Lim ◽  
Moon Young Yang ◽  
Dong Sung Choi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Water Oxidation ◽  
Nitrogen Doped ◽  
Catalytic Activities ◽  
Neutral Ph ◽  
Nitrogen Doped Carbon ◽  
Neutral Conditions

Linker-free spontaneous binding of Co4POMs on NCNTs are presented via electrostatic hybridization for efficient water oxidation at neutral pH. Co4POM/NCNT hybrids exhibited outstanding catalytic activities for water oxidation under neutral conditions.

Cobalt nanoparticle-embedded nitrogen-doped carbon/carbon nanotube frameworks derived from a metal–organic framework for tri-functional ORR, OER and HER electrocatalysis

2019 ◽  
Vol 7 (8) ◽  
pp. 3664-3672 ◽  
Author(s):  
Hele Guo ◽  
Qichun Feng ◽  
Jixin Zhu ◽  
Jingsan Xu ◽  
Qianqian Li ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Carbon Nanotube ◽  
Metal Organic Framework ◽  
High Catalytic Activity ◽  
Nitrogen Doped ◽  
Metal Organic ◽  
Nitrogen Doped Carbon ◽  
Cobalt Nanoparticle ◽  
Organic Framework

A Co@N-CNTF electrocatalyst derived from a metal–organic framework exhibits high catalytic activity in the ORR, OER and HER.

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