Production of carbon nanotubes and hydrogen by catalytic ethanol decomposition

ABSTRACT: This work reports the synthesis of multiwall carbon nanotubes (MWCNTs) by the catalytic decomposition of ethanol using the perovskite-type oxide LaNiO3 as catalyst precursor. The carbon nanotubes were characterized by transmission electronic microscopy (TEM), scanning electronic microscopy...

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Autores:
Gallego Marín, Jaime Andrés
Sierra Gallego, Germán Alberto
Daza Velásquez, Carlos Enrique
Molina Gallego, Rafael Alberto
Barrault, Joël
Batiot Dupeyat, Catherine
Mondragón Pérez, Fanor
Tipo de recurso:
Article of investigation
Fecha de publicación:
2013
Institución:
Universidad de Antioquia
Repositorio:
Repositorio UdeA
Idioma:
eng
OAI Identifier:
oai:bibliotecadigital.udea.edu.co:10495/22214
Acceso en línea:
http://hdl.handle.net/10495/22214
https://revistas.unal.edu.co/index.php/dyna/article/view/28717
Palabra clave:
Nanotubes Carbon
Nanotubos de Carbono
Nickel
Níquel
Hydrogen
Hidrógeno
Perovskites
Ethanol decomposition
Rights
openAccess
License
http://creativecommons.org/licenses/by-nc-nd/2.5/co/
Description
Summary:ABSTRACT: This work reports the synthesis of multiwall carbon nanotubes (MWCNTs) by the catalytic decomposition of ethanol using the perovskite-type oxide LaNiO3 as catalyst precursor. The carbon nanotubes were characterized by transmission electronic microscopy (TEM), scanning electronic microscopy (SEM) and thermogravimetric analysis (TGA). TEM micrographs show that the carbon nanotubes were multi-walled with inner diameters ranging frABSTRACT: This work reports the synthesis of multiwall carbon nanotubes (MWCNTs) by the catalytic decomposition of ethanol using the perovskite-type oxide LaNiO3 as catalyst precursor. The carbon nanotubes were characterized by transmission electronic microscopy (TEM), scanning electronic microscopy (SEM) and thermogravimetric analysis (TGA). TEM micrographs show that the carbon nanotubes were multi-walled with inner diameters ranging from 3 nm to 12 nm and outer diameters up to 42 nm. The yield of CNT and H2 were 3.5 gCNT·(gcat·h)-1 and 39 LH2·(g·h)-1 respectively at 700 °C. TGA data show that nanotube carbon purity was about 95 % by weight and the oxidation temperature was around 620 °C. om 3 nm to 12 nm and outer diameters up to 42 nm. The yield of CNT and H2 were 3.5 gCNT·(gcat·h)-1 and 39 LH2·(g·h)-1 respectively at 700 °C. TGA data show that nanotube carbon purity was about 95 % by weight and the oxidation temperature was around 620 °C.