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Palang Bumroongsakulsawat. Non-faradaic electrochemical modification of catalytic activity (NEMCA) of propane oxidation at thin-film cell on alumina. (). King Mongkut's University of Technology North Bangkok. Central Library. : , 2017.
Non-faradaic electrochemical modification of catalytic activity (NEMCA) of propane oxidation at thin-film cell on alumina
Organization :
Chulalongkorn University. Department of Chemical Engineering
Organization :
Chulalongkorn University. Department of Chemical Engineering
Email :
palang.b@chula.ac.th
keyword:
Propane oxidation
LCSH:
Thin films
Abstract:
Non-Faradaic Electrochemical Modification of Catalytic Activity (NEMCA) is a
phenomenon by which the catalytic activity of a catalyst could be enhanced by passing
electric current through the catalyst. It is a potential phenomenon that could become a
breakthrough in improvements on catalytic converters. NEMCA requires ionic conductors,
typically yttria-stabilized zirconia (YSZ), to operate. However, this material is much more
expensive than common catalyst supports such as alumina. It is therefore envisaged that in a
commercially feasible NEMCA-enhanced catalytic converter be incorporated only a sufficient
amount of YSZ in the form of a thin film deposited on a cheaper rigid support. A catalyst and
the necessary electrodes are then deposited on the thin YSZ film. In this work, propane
oxidation at Pt-YSZ was studied. YSZ was deposited on alumina disks by RF magnetron
sputtering and screen printing techniques. Pt was deposited on the obtained YSZ film by wet
impregnation. Two gold electrodes were sputtered on two opposite segments on the YSZ side
of the disks. NEMCA of propane oxidation was studied under a stoichiometric ratio of
propane to oxygen at 200-550 °C, at atmospheric pressure and in an electric potential range of
0-30 V. At a cell voltage of 3 V and a reaction temperature of 200 °C, the reaction rate was
increased to 4.33 times the rate at open-circuit by sputtering technique. The highest reaction
rate was 2 times at a cell voltage of 20 V and a reaction temperature of 400 °C from YSZ
films screen-printing.
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2017
Modified:
2562-08-28
Issued:
2019-08-28
บทความ/Article
application/pdf
BibliograpyCitation :
In Chemical Society of Thailand under the Patronage of Her Royal Hghness Princess Chulabhorn Mahidol and King Mongkut's University of Technology North Bangkok Faculty of Applied Science. Pure and Applied Chemistry International Conference (PACCON 2017) (pp.1619-1624). Bangkok : Chemical Society of Thailand under the Patronage of Her Royal Hghness Princess Chulabhorn Mahidol
eng
©copyrights King Mongkut's University of Technology North Bangkok
RightsAccess:
ใช้เวลา
0.029121 วินาที
Pattamon Limsrimongkonchai
| Title | Contributor | Type |
|---|---|---|
| Non-faradaic electrochemical modification of catalytic activity (NEMCA) of propane oxidation at thin-film cell on alumina
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Pattamon Limsrimongkonchai;Palang Bumroongsakulsawat | บทความ/Article | |
| NON-FARADAIC ELECTROCHEMICAL MODIFICATION OF CATALYTIC ACTIVITY (NEMCA) OF PROPANE OXIDATION AT THIN-FILM CELL ON ALUMINA
จุฬาลงกรณ์มหาวิทยาลัย Pattamon Limsrimongkonchai | Palang Bumroongsakulsawat | วิทยานิพนธ์/Thesis |
Palang Bumroongsakulsawat
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|---|---|---|
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