Modification of palladium-based catalysts by chalcogenes for direct methanol fuel cells

Alexey Alexandrovich Serov; Sung Yong Cho; Sangil Han; Myoungki Min; Geunseok Chai; Kie Hyun Nam; Chan Kwak

doi:10.1016/j.elecom.2007.06.005

Modification of palladium-based catalysts by chalcogenes for direct methanol fuel cells

Alexey Alexandrovich Serov
, Sung Yong Cho
, Sangil Han
, Myoungki Min
, Geunseok Chai
, Kie Hyun Nam
, Chan Kwak

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

Palladium-based catalysts, such as PdS_x/C and PdSe_x/C, have been developed as oxygen reduction catalysts for direct methanol fuel cells. Pd/C catalysts containing chalcogens have been synthesized and tested for oxygen reduction and the results have been analyzed based on changes in the palladium phase. Selenium addition to the catalyst promotes the oxygen reduction due to the modification of the palladium surface. However, sulfur reduces the oxygen reduction activity to a great extent as a result of semi-amorphous palladium phase formation. Both PdS_x/C and PdSe_x/C are highly methanol tolerant.

Original language	English
Pages (from-to)	2041-2044
Number of pages	4
Journal	Electrochemistry Communications
Volume	9
Issue number	8
DOIs	https://doi.org/10.1016/j.elecom.2007.06.005
State	Published - Aug 2007
Externally published	Yes

Keywords

Fuel cells
Palladium
Selenium
Sulfur

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10.1016/j.elecom.2007.06.005

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@article{1190400755f24174bffe07cdc1b22ccb,

title = "Modification of palladium-based catalysts by chalcogenes for direct methanol fuel cells",

abstract = "Palladium-based catalysts, such as PdSx/C and PdSex/C, have been developed as oxygen reduction catalysts for direct methanol fuel cells. Pd/C catalysts containing chalcogens have been synthesized and tested for oxygen reduction and the results have been analyzed based on changes in the palladium phase. Selenium addition to the catalyst promotes the oxygen reduction due to the modification of the palladium surface. However, sulfur reduces the oxygen reduction activity to a great extent as a result of semi-amorphous palladium phase formation. Both PdSx/C and PdSex/C are highly methanol tolerant.",

keywords = "Fuel cells, Palladium, Selenium, Sulfur",

author = "Serov, \{Alexey Alexandrovich\} and Cho, \{Sung Yong\} and Sangil Han and Myoungki Min and Geunseok Chai and Nam, \{Kie Hyun\} and Chan Kwak",

year = "2007",

month = aug,

doi = "10.1016/j.elecom.2007.06.005",

language = "English",

volume = "9",

pages = "2041--2044",

journal = "Electrochemistry Communications",

issn = "1388-2481",

publisher = "Elsevier",

number = "8",

}

TY - JOUR

T1 - Modification of palladium-based catalysts by chalcogenes for direct methanol fuel cells

AU - Serov, Alexey Alexandrovich

AU - Cho, Sung Yong

AU - Han, Sangil

AU - Min, Myoungki

AU - Chai, Geunseok

AU - Nam, Kie Hyun

AU - Kwak, Chan

PY - 2007/8

Y1 - 2007/8

N2 - Palladium-based catalysts, such as PdSx/C and PdSex/C, have been developed as oxygen reduction catalysts for direct methanol fuel cells. Pd/C catalysts containing chalcogens have been synthesized and tested for oxygen reduction and the results have been analyzed based on changes in the palladium phase. Selenium addition to the catalyst promotes the oxygen reduction due to the modification of the palladium surface. However, sulfur reduces the oxygen reduction activity to a great extent as a result of semi-amorphous palladium phase formation. Both PdSx/C and PdSex/C are highly methanol tolerant.

AB - Palladium-based catalysts, such as PdSx/C and PdSex/C, have been developed as oxygen reduction catalysts for direct methanol fuel cells. Pd/C catalysts containing chalcogens have been synthesized and tested for oxygen reduction and the results have been analyzed based on changes in the palladium phase. Selenium addition to the catalyst promotes the oxygen reduction due to the modification of the palladium surface. However, sulfur reduces the oxygen reduction activity to a great extent as a result of semi-amorphous palladium phase formation. Both PdSx/C and PdSex/C are highly methanol tolerant.

KW - Fuel cells

KW - Palladium

KW - Selenium

KW - Sulfur

UR - https://www.scopus.com/pages/publications/34447569308

U2 - 10.1016/j.elecom.2007.06.005

DO - 10.1016/j.elecom.2007.06.005

M3 - Article

AN - SCOPUS:34447569308

SN - 1388-2481

VL - 9

SP - 2041

EP - 2044

JO - Electrochemistry Communications

JF - Electrochemistry Communications

IS - 8

ER -

Modification of palladium-based catalysts by chalcogenes for direct methanol fuel cells

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Keywords

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