Hydrogen production through the aqueous phase reforming of ethylene glycol over supported Pt-based bimetallic catalysts

Ho Dong Kim, Hyun Ju Park, Tae Wan Kim, Kwang Eun Jeong, Ho Jeong Chae, Soon Yong Jeong, Chang Ha Lee, Chul Ung Kim

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

The catalytic activities of supported Pt-based bimetallic catalysts (Pt-M) were studied for hydrogen production via aqueous phase reforming (APR) using a 10 wt% ethylene glycol solution. The catalysts and supports used were characterized via X-ray powder diffraction (XRD), transmission electron microscopy (TEM), nitrogen adsorption-desorption, CO chemisorption, and temperature programmed reduction (TPR) techniques. It was found that the Pt-Mn (Pt:Mn = 1:1, molar ratio) bimetallic catalyst significantly enhanced the catalytic performances such as the hydrogen yield and hydrogen production when compared with monometallic catalysts and other bimetallic catalysts that were examined. The XRD and TPR studies confirmed the interaction between the Pt and Mn species, leading to the Pt-Mn alloys supported on CMK-3. Related to the effect of the type of support, the CMK-3 support demonstrated better performance than the commercial activated carbon and alumina. Accordingly, it can be understood that the better catalytic performance of the APR reaction over Pt-Mn/CMK-3 catalyst is dependent on the alloy effect as well as the structural properties and nature of support given by the addition of the second metal.

Original languageEnglish
Pages (from-to)8310-8317
Number of pages8
JournalInternational Journal of Hydrogen Energy
Volume37
Issue number10
DOIs
Publication statusPublished - 2012 May 1

Fingerprint

hydrogen production
Reforming reactions
Hydrogen production
Ethylene glycol
glycols
ethylene
catalysts
Catalysts
Catalyst supports
X ray powder diffraction
Activated alumina
activated carbon
Chemisorption
diffraction
Activated carbon
chemisorption
catalytic activity
Structural properties
Catalyst activity
Desorption

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Kim, Ho Dong ; Park, Hyun Ju ; Kim, Tae Wan ; Jeong, Kwang Eun ; Chae, Ho Jeong ; Jeong, Soon Yong ; Lee, Chang Ha ; Kim, Chul Ung. / Hydrogen production through the aqueous phase reforming of ethylene glycol over supported Pt-based bimetallic catalysts. In: International Journal of Hydrogen Energy. 2012 ; Vol. 37, No. 10. pp. 8310-8317.
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Hydrogen production through the aqueous phase reforming of ethylene glycol over supported Pt-based bimetallic catalysts. / Kim, Ho Dong; Park, Hyun Ju; Kim, Tae Wan; Jeong, Kwang Eun; Chae, Ho Jeong; Jeong, Soon Yong; Lee, Chang Ha; Kim, Chul Ung.

In: International Journal of Hydrogen Energy, Vol. 37, No. 10, 01.05.2012, p. 8310-8317.

Research output: Contribution to journalArticle

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N2 - The catalytic activities of supported Pt-based bimetallic catalysts (Pt-M) were studied for hydrogen production via aqueous phase reforming (APR) using a 10 wt% ethylene glycol solution. The catalysts and supports used were characterized via X-ray powder diffraction (XRD), transmission electron microscopy (TEM), nitrogen adsorption-desorption, CO chemisorption, and temperature programmed reduction (TPR) techniques. It was found that the Pt-Mn (Pt:Mn = 1:1, molar ratio) bimetallic catalyst significantly enhanced the catalytic performances such as the hydrogen yield and hydrogen production when compared with monometallic catalysts and other bimetallic catalysts that were examined. The XRD and TPR studies confirmed the interaction between the Pt and Mn species, leading to the Pt-Mn alloys supported on CMK-3. Related to the effect of the type of support, the CMK-3 support demonstrated better performance than the commercial activated carbon and alumina. Accordingly, it can be understood that the better catalytic performance of the APR reaction over Pt-Mn/CMK-3 catalyst is dependent on the alloy effect as well as the structural properties and nature of support given by the addition of the second metal.

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