scholarly journals Selective 1,3-butadiene hydrogenation by gold nanoparticles deposited & precipitated onto nano-carbon materials

RSC Advances ◽  
2015 ◽  
Vol 5 (99) ◽  
pp. 81583-81598 ◽  
Author(s):  
E. Castillejos ◽  
B. Bachiller-Baeza ◽  
E. Asedegbega-Nieto ◽  
A. Guerrero-Ruiz ◽  
I. Rodríguez-Ramos
Keyword(s):  
Gold Nanoparticles ◽  
Carbon Materials ◽  
Different Temperatures ◽  
Nano Carbon ◽  
Butadiene Hydrogenation ◽  
Multiwall Cnts

GO and multiwall CNTs were modified by treatment with urea and annealing at different temperatures incorporating N adatoms. AuGO and AuCNT catalysts were prepared and their activity depended on the Au NP size and the characteristics of the support.

Selective 1,3-butadiene hydrogenation by gold nanoparticles on novel nano-carbon materials

2015 ◽  
Vol 249 ◽  
pp. 117-126 ◽  
Author(s):  
M.C. Lozano-Martín ◽  
E. Castillejos ◽  
B. Bachiller-Baeza ◽  
I. Rodríguez-Ramos ◽  
A. Guerrero-Ruiz
Keyword(s):  
Gold Nanoparticles ◽  
Carbon Materials ◽  
Nano Carbon ◽  
Butadiene Hydrogenation

Investigation of Electromagnetic Interference Shielding Effectiveness of Cement-Based Composites Filled with Carbon Materials

2010 ◽  
Vol 168-170 ◽  
pp. 1021-1024
Author(s):  
Guo Xuan Xiong ◽  
Zhi Bin Zhang ◽  
Min Deng ◽  
Yu Fen Zhou
Keyword(s):  
Carbon Fiber ◽  
Carbon Black ◽  
Electromagnetic Interference ◽  
Carbon Materials ◽  
Shielding Effectiveness ◽  
Nano Carbon ◽  
Electromagnetic Interference Shielding Effectiveness ◽  
Carbon Nano Tube ◽  
Relationship Of ◽  
The Relationship

The cement-based composite shielding materials filled with carbon materials such as ordinary carbon materials (graphite, coke and carbon black), carbon fiber and nano-carbon materials (carbon nano-tube and nano-carbon black) were prepared. The relationship of conductivity and shielding effectiveness in a frequency range of 100 KHz~1.5 GHz was studied. The electric properties of cement-based composites filled with carbon fiber is better than other carbon materials. With the contents of carbon fiber of 5.vol%, the average shielding effectiveness is about 37 dB and the maximum shielding effectiveness reaches 40 dB.

Simulating nano-carbon materials

2005 ◽  
Vol 31 (6-7) ◽  
pp. 495-504 ◽  
Author(s):  
Ian Snook ◽  
Amanda Barnard ◽  
Salvy Russo ◽  
Ryan Springal ◽  
Jhan Srbinovsky
Keyword(s):  
Carbon Materials ◽  
Nano Carbon

Effect of Fluorine Content on the Electrochemical Properties of PVDF-Derived Carbons for Lithium Ion Battery

2012 ◽  
Vol 463-464 ◽  
pp. 730-733 ◽  
Author(s):  
Lu Shi ◽  
Chao Lin Miao ◽  
Gai Rong Chen ◽  
Bin Xu ◽  
Shi Chen
Keyword(s):  
Electrochemical Properties ◽  
Carbon Materials ◽  
Coulombic Efficiency ◽  
Specific Capacity ◽  
Fluorine Content ◽  
Lithium Ion ◽  
Bet Surface Area ◽  
Different Temperatures ◽  
Positive Effect ◽  
Initial Coulombic Efficiency

The carbon materials prepared by PVDF carbonization at different temperatures have similar BET surface area and pores volume. The content of fluorine in the carbons decreased with the carbonization temperature from 1.46% (atm %) at 600°C to 0.18 %( atm %) at 1000°C. The first cycle specific capacity and the initial coulombic efficiency decreases with the decrease of fluorine content in the samples. The first cycle discharge capacity decreased from 982 mAh/ g at 600°C to 752 mAh/ g at 1000°C and the initial coulombic efficiency decreased from 31.8% at 600°C to 24% at 1000°C. It is believed that fluorine contained in the carbon materials has a positive effect to improve the electrochemical properties as anode materials for Li-ion batteries.

Nano carbon materials from palm oil wastes for supercapacitor applications

2017 ◽  
Author(s):  
Reza Hendriansyah ◽  
Hary Devianto ◽  
Tirto Prakoso ◽  
Pramujo Widiatmoko ◽  
Isdiriayani Nurdin ◽  
...  
Keyword(s):  
Palm Oil ◽  
Carbon Materials ◽  
Nano Carbon ◽  
Supercapacitor Applications

Temperature Effect on the Rate of Hydrogen Desorption by Carbon Materials

2015 ◽  
Vol 1084 ◽  
pp. 61-65
Author(s):  
Lyudmila V. Gulidova ◽  
Natalya A. Dubrova ◽  
Andrey M. Lider
Keyword(s):  
Carbon Nanotubes ◽  
Hydrogen Storage ◽  
Temperature Effect ◽  
Gaseous Phase ◽  
Carbon Materials ◽  
Hydrogen Desorption ◽  
Different Temperatures ◽  
Theoretical Foundations

The paper presents the theoretical foundations of carbon nanotubes, as well as the methods of the saturation of carbon materials containing nanotubes with hydrogen from the gaseous phase. The dependences of hydrogen storage concentration on the pressure (between 0 and 8 atmospheres) at the same temperature for adsorption (–30 degrees Celsius) and different temperatures for desorption have been obtained. Obviously, at 8 atmospheres the concentration of hydrogen storage varies with the change of the temperature. Particular attention was paid to the influence of the temperature on the rate of desorption.

scholarly journals Synthesis of Nano-carbon Materials Using a Porous Alulmina Template Formed by Anodizing of Etched Aluminum Foil

2005 ◽  
Vol 56 (6) ◽  
pp. 352-353 ◽  
Author(s):  
Hiroki HABAZAKI ◽  
Machiko HAYASHI ◽  
Hidetaka KONNO ◽  
Micho INAGAKI
Keyword(s):  
Carbon Materials ◽  
Aluminum Foil ◽  
Nano Carbon
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