Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts

Min Hye Youn; Jeong Gil Seo; Sunyoung Park; Dong Ryul Park; Ji Chul Jung; Pil Kim; In Kyu Song

doi:10.1016/j.renene.2008.04.021

Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts

Min Hye Youn
, Jeong Gil Seo
, Sunyoung Park
, Dong Ryul Park
, Ji Chul Jung
, Pil Kim
, In Kyu Song^*

^*Corresponding author for this work

Division of Chemical Engineering

Seoul National University

Research output: Contribution to journal › Journal article › peer-review

15 Scopus citations

Abstract

A series of Ni₅Ti_xZr_{5 - x}O₁₅ (x = 0, 1, 2.5, 4, and 5) catalysts was prepared by a one-step sol-gel method for use in hydrogen production by auto-thermal reforming of ethanol. The effect of the Ti:Zr ratio on the crystalline structure, electronic property, and catalytic performance of Ni₅Ti_xZr_{5 - x}O₁₅ was investigated. The coexistence of titanium and zirconium favorably served to form metallic nickel (Ni⁰) species, and the reducibility of nickel oxide species was closely related to the catalytic performance of Ni₅Ti_xZr_{5 - x}O₁₅ catalysts. The hydrogen selectivity over Ni₅Ti_xZr_{5 - x}O₁₅ catalysts showed a volcano-shaped curve with respect to titanium substitution. Along with the reducibility, the water-activation ability of ZrO₂ was an important factor affecting the catalytic performance. Among the catalysts tested, Ni₅Ti₁Zr₄O₁₅ showed the best catalytic performance.

Original language	English
Pages (from-to)	731-735
Number of pages	5
Journal	Renewable Energy
Volume	34
Issue number	3
DOIs	https://doi.org/10.1016/j.renene.2008.04.021
State	Published - 2009.03

Keywords

Auto-thermal reforming
Ethanol
Hydrogen
Ni-Ti-Zr metal oxide

Quacquarelli Symonds(QS) Subject Topics

Engineering - Electrical & Electronic

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10.1016/j.renene.2008.04.021

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@article{4250d25a1be04f6aa3a51514bfeecd12,

title = "Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts",

abstract = "A series of Ni5TixZr5 - xO15 (x = 0, 1, 2.5, 4, and 5) catalysts was prepared by a one-step sol-gel method for use in hydrogen production by auto-thermal reforming of ethanol. The effect of the Ti:Zr ratio on the crystalline structure, electronic property, and catalytic performance of Ni5TixZr5 - xO15 was investigated. The coexistence of titanium and zirconium favorably served to form metallic nickel (Ni0) species, and the reducibility of nickel oxide species was closely related to the catalytic performance of Ni5TixZr5 - xO15 catalysts. The hydrogen selectivity over Ni5TixZr5 - xO15 catalysts showed a volcano-shaped curve with respect to titanium substitution. Along with the reducibility, the water-activation ability of ZrO2 was an important factor affecting the catalytic performance. Among the catalysts tested, Ni5Ti1Zr4O15 showed the best catalytic performance.",

keywords = "Auto-thermal reforming, Ethanol, Hydrogen, Ni-Ti-Zr metal oxide",

author = "Youn, \{Min Hye\} and Seo, \{Jeong Gil\} and Sunyoung Park and Park, \{Dong Ryul\} and Jung, \{Ji Chul\} and Pil Kim and Song, \{In Kyu\}",

year = "2009",

month = mar,

doi = "10.1016/j.renene.2008.04.021",

language = "English",

volume = "34",

pages = "731--735",

journal = "Renewable Energy",

issn = "0960-1481",

number = "3",

}

TY - JOUR

T1 - Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts

AU - Youn, Min Hye

AU - Seo, Jeong Gil

AU - Park, Sunyoung

AU - Park, Dong Ryul

AU - Jung, Ji Chul

AU - Kim, Pil

AU - Song, In Kyu

PY - 2009/3

Y1 - 2009/3

N2 - A series of Ni5TixZr5 - xO15 (x = 0, 1, 2.5, 4, and 5) catalysts was prepared by a one-step sol-gel method for use in hydrogen production by auto-thermal reforming of ethanol. The effect of the Ti:Zr ratio on the crystalline structure, electronic property, and catalytic performance of Ni5TixZr5 - xO15 was investigated. The coexistence of titanium and zirconium favorably served to form metallic nickel (Ni0) species, and the reducibility of nickel oxide species was closely related to the catalytic performance of Ni5TixZr5 - xO15 catalysts. The hydrogen selectivity over Ni5TixZr5 - xO15 catalysts showed a volcano-shaped curve with respect to titanium substitution. Along with the reducibility, the water-activation ability of ZrO2 was an important factor affecting the catalytic performance. Among the catalysts tested, Ni5Ti1Zr4O15 showed the best catalytic performance.

AB - A series of Ni5TixZr5 - xO15 (x = 0, 1, 2.5, 4, and 5) catalysts was prepared by a one-step sol-gel method for use in hydrogen production by auto-thermal reforming of ethanol. The effect of the Ti:Zr ratio on the crystalline structure, electronic property, and catalytic performance of Ni5TixZr5 - xO15 was investigated. The coexistence of titanium and zirconium favorably served to form metallic nickel (Ni0) species, and the reducibility of nickel oxide species was closely related to the catalytic performance of Ni5TixZr5 - xO15 catalysts. The hydrogen selectivity over Ni5TixZr5 - xO15 catalysts showed a volcano-shaped curve with respect to titanium substitution. Along with the reducibility, the water-activation ability of ZrO2 was an important factor affecting the catalytic performance. Among the catalysts tested, Ni5Ti1Zr4O15 showed the best catalytic performance.

KW - Auto-thermal reforming

KW - Ethanol

KW - Hydrogen

KW - Ni-Ti-Zr metal oxide

UR - https://www.scopus.com/pages/publications/54149117436

U2 - 10.1016/j.renene.2008.04.021

DO - 10.1016/j.renene.2008.04.021

M3 - Journal article

AN - SCOPUS:54149117436

SN - 0960-1481

VL - 34

SP - 731

EP - 735

JO - Renewable Energy

JF - Renewable Energy

IS - 3

ER -

Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts

Abstract

Keywords

Quacquarelli Symonds(QS) Subject Topics

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