Improvement of Electrochemical Activity of Pt/MWCNT Catalyst for Proton Exchange Membrane Fuel Cell

2012 ◽  
Vol 1384 ◽  
Author(s):  
Battsengel Baatar ◽  
Bayardulam Jamiyansuren ◽  
Munkhshur Myakhlai ◽  
Baasandorj Myagmarsuren
Keyword(s):  
Carbon Nanotubes ◽  
Sulfuric Acid ◽  
Fuel Cell ◽  
Nitric Acid ◽  
Proton Exchange Membrane ◽  
Catalyst Support ◽  
Proton Exchange ◽  
Metal Catalyst ◽  
Multi Walled Carbon Nanotubes ◽  
Exchange Membrane

ABSTRACTIn last years, the carbon nanotubes have been studied as an advanced metal catalyst support for proton exchange membrane fuel cell. This study focuses on the sonochemical treatment of multi walled carbon nanotubes (MWCNTs) as a platinum supporting material for proton exchange membrane fuel cell (PEMFC) by mixture of sulfuric acid and nitric acid and mixture of sulfuric acid and hydrogen peroxide. X-ray diffraction (XRD) and Infrared (IR) spectroscopy were used to characterize the surface of sonochemically treated MWCNT and nanostructured electrocatalyst Pt/MWCNT. According to the experimental results of this work, the surface of MWCNT can be more successfully functionalized with hydroxyl and carboxyl groups after sonochemical treatment by mixture of sulfuric acid and nitric acid. The particle size of prepared Pt -electrocatalyst on MWCNT was determined 3.4 nm by XRD.

scholarly journals Improvement of Electrochemical Activity of Pt/MWCNT Catalyst for Proton Exchange Membrane Fuel Cell

2014 ◽  
Vol 12 ◽  
pp. 20-23 ◽  
Author(s):  
Munkhshur Myekhlai ◽  
Battsengel Baatar ◽  
Bayardulam Jamiyansuren ◽  
Baasandorj Myagmarsuren
Keyword(s):  
Carbon Nanotubes ◽  
Sulfuric Acid ◽  
Fuel Cell ◽  
Nitric Acid ◽  
Proton Exchange Membrane ◽  
Catalyst Support ◽  
Proton Exchange ◽  
Metal Catalyst ◽  
Multi Walled Carbon Nanotubes ◽  
Exchange Membrane

In last years, the carbon nanotubes have been studied as an advanced metal catalyst support for proton exchange membrane fuel cell. This study focuses on the sonochemical treatment of multi walled carbon nanotubes (MWCNTs) as a platinum supporting material for proton exchange membrane fuel cell (PEMFC) by mixture of sulfuric acid and nitric acid and mixture of sulfuric acid and hydrogen peroxide. X-ray diffraction (XRD) and Infrared (IR) spectroscopy were used to characterize the surface of sonochemically treated MWCNT and nanostructured electrocatalyst Pt/MWCNT. According to the experimental results of this work, the surface of MWCNT can be more successfully functionalized with hydroxyl and carboxyl groups after sonochemical treatment by mixture of sulfuric acid and nitric acid. The particle size of prepared Pt -electrocatalyst on MWCNT was determined 3.4 nm by XRD.DOI: http://dx.doi.org/10.5564/mjc.v12i0.165 Mongolian Journal of Chemistry Vol.12 2011: 20-23

Functionalization of multi-walled carbon nanotubes and application as supports for electrocatalysts in proton-exchange membrane fuel cell

2010 ◽  
Vol 99 (1-2) ◽  
pp. 343-352 ◽  
Author(s):  
P. Hernández-Fernández ◽  
M. Montiel ◽  
P. Ocón ◽  
J.L. Gómez de la Fuente ◽  
S. García-Rodríguez ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Multi Walled Carbon Nanotubes ◽  
Exchange Membrane ◽  
Walled Carbon Nanotubes

Durability investigation of carbon nanotube as catalyst support for proton exchange membrane fuel cell

2006 ◽  
Vol 158 (1) ◽  
pp. 154-159 ◽  
Author(s):  
Xin Wang ◽  
Wenzhen Li ◽  
Zhongwei Chen ◽  
Mahesh Waje ◽  
Yushan Yan
Keyword(s):  
Carbon Nanotube ◽  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Catalyst Support ◽  
Proton Exchange ◽  
Exchange Membrane

scholarly journals MOF Derived Catalysts for Oxygen Reduction Reaction in Proton Exchange Membrane Fuel Cell

2018 ◽  
Vol 778 ◽  
pp. 275-282
Author(s):  
Noaman Khan ◽  
Saim Saher ◽  
Xuan Shi ◽  
Muhammad Noman ◽  
Mujahid Wasim Durani ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Membrane Electrode Assembly ◽  
Reduction Reaction ◽  
Proton Exchange ◽  
Membrane Electrode ◽  
Nitrogen Doped ◽  
Nitrogen Doped Carbon ◽  
Exchange Membrane

Highly porous ZIF-67 (Zeolitic imidazole framework) has a conductive crystalline metal organic framework (MOF) structure which was served as a precursor and template for the preparation of nitrogen-doped carbon nanotubes (NCNTs) electrocatalysts. As a first step, the chloroplatinic acid, a platinum (Pt) precursor was infiltrated in ZIF-67 with a precise amount to obtain 0.12 mg.cm-2 Pt loading. Later, the infiltrated structure was calcined at 700°C in Ar:H2 (90:10 vol%) gas mixture. Multi-walled nitrogen-doped carbon nanotubes were grown on the surface of ZIF-67 crystals following thermal activation at 700°C. The resulting PtCo-NCNTs electrocatalysts were deposited on Nafion-212 solid electrolyte membrane by spray technique to study the oxygen reduction reaction (ORR) in the presence of H2/O2 gases in a temperature range of 50-70°C. The present study elucidates the performance of nitrogen-doped carbon nanotubes ORR electrocatalysts derived from ZIF-67 and the effects of membrane electrode assembly (MEA) steaming on the performance of proton exchange membrane fuel cell (PEMFC) employing PtCo-NCNTs as ORR electrocatalysts. We observed that the peak power density at 70°C was 450 mW/cm2 for steamed membrane electrode assembly (MEA) compared to 392 mW/cm2 for an identical MEA without steaming.

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