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Characterization of self-humidifying ability of SiO2-supported Pt catalyst under low humidity in PEMFC.

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Title: Characterization of self-humidifying ability of SiO2-supported Pt catalyst under low humidity in PEMFC.
Authors: Choi, Insoo1,2 insoochoi.kr@gmail.com, Lee, Hyunjoon3 vesperia@nate.com, Lee, Kyoung G.2 kglee@nnfc.re.kr, Ahn, Sang Hyun1 news0826@gmail.com, Lee, Seok Jae2 sjlee@nnfc.re.kr, Kim, Hyun-Jong4 hjkim23@kitech.re.kr, Lee, Ho-Nyun4 hnlee@kitech.re.kr, Kwon, Oh Joong3 ohjoongkwon@gmail.com
Source: Applied Catalysis B: Environment & Energy. Jun2015, Vol. 168/169, p220-227. 8p.
Subjects: Proton exchange membrane fuel cells, Platinum catalysts, Silica, Humidity, Composite materials, Catalyst supports
Abstract: SiO 2 -supported Pt composite catalyst was developed by ultrasonic technique, and applied as anode catalyst of PEMFC to improve the performance under non-humidified condition. Two different MEAs were prepared: one for adjusting Pt loading and the other for matching thickness to conventional Pt-only MEA. The characteristic tools, such as TEM, XPS, TGA, and FE-SEM were employed to characterize the composite catalyst and the MEAs thereof. The long-term performance of MEAs with the composite catalyst was evaluated under non-humidified and elevated temperature, and compared with that of Pt-only MEA. The self-humidifying ability of SiO 2 -supported Pt catalyst was examined by EIS technique. [ABSTRACT FROM AUTHOR]
Copyright of Applied Catalysis B: Environment & Energy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 101339800
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Characterization of self-humidifying ability of SiO2-supported Pt catalyst under low humidity in PEMFC.
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  Data: <searchLink fieldCode="AR" term="%22Choi%2C+Insoo%22">Choi, Insoo</searchLink><relatesTo>1,2</relatesTo><i> insoochoi.kr@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Hyunjoon%22">Lee, Hyunjoon</searchLink><relatesTo>3</relatesTo><i> vesperia@nate.com</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Kyoung+G%2E%22">Lee, Kyoung G.</searchLink><relatesTo>2</relatesTo><i> kglee@nnfc.re.kr</i><br /><searchLink fieldCode="AR" term="%22Ahn%2C+Sang+Hyun%22">Ahn, Sang Hyun</searchLink><relatesTo>1</relatesTo><i> news0826@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Seok+Jae%22">Lee, Seok Jae</searchLink><relatesTo>2</relatesTo><i> sjlee@nnfc.re.kr</i><br /><searchLink fieldCode="AR" term="%22Kim%2C+Hyun-Jong%22">Kim, Hyun-Jong</searchLink><relatesTo>4</relatesTo><i> hjkim23@kitech.re.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+Ho-Nyun%22">Lee, Ho-Nyun</searchLink><relatesTo>4</relatesTo><i> hnlee@kitech.re.kr</i><br /><searchLink fieldCode="AR" term="%22Kwon%2C+Oh+Joong%22">Kwon, Oh Joong</searchLink><relatesTo>3</relatesTo><i> ohjoongkwon@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Applied+Catalysis+B%3A+Environment+%26+Energy%22">Applied Catalysis B: Environment & Energy</searchLink>. Jun2015, Vol. 168/169, p220-227. 8p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Proton+exchange+membrane+fuel+cells%22">Proton exchange membrane fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Platinum+catalysts%22">Platinum catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Silica%22">Silica</searchLink><br /><searchLink fieldCode="DE" term="%22Humidity%22">Humidity</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+materials%22">Composite materials</searchLink><br /><searchLink fieldCode="DE" term="%22Catalyst+supports%22">Catalyst supports</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: SiO 2 -supported Pt composite catalyst was developed by ultrasonic technique, and applied as anode catalyst of PEMFC to improve the performance under non-humidified condition. Two different MEAs were prepared: one for adjusting Pt loading and the other for matching thickness to conventional Pt-only MEA. The characteristic tools, such as TEM, XPS, TGA, and FE-SEM were employed to characterize the composite catalyst and the MEAs thereof. The long-term performance of MEAs with the composite catalyst was evaluated under non-humidified and elevated temperature, and compared with that of Pt-only MEA. The self-humidifying ability of SiO 2 -supported Pt catalyst was examined by EIS technique. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Applied Catalysis B: Environment & Energy is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.apcatb.2014.12.026
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 8
        StartPage: 220
    Subjects:
      – SubjectFull: Proton exchange membrane fuel cells
        Type: general
      – SubjectFull: Platinum catalysts
        Type: general
      – SubjectFull: Silica
        Type: general
      – SubjectFull: Humidity
        Type: general
      – SubjectFull: Composite materials
        Type: general
      – SubjectFull: Catalyst supports
        Type: general
    Titles:
      – TitleFull: Characterization of self-humidifying ability of SiO2-supported Pt catalyst under low humidity in PEMFC.
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            NameFull: Choi, Insoo
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            NameFull: Lee, Hyunjoon
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            NameFull: Lee, Kyoung G.
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            NameFull: Ahn, Sang Hyun
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            NameFull: Lee, Seok Jae
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            NameFull: Kim, Hyun-Jong
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            NameFull: Lee, Ho-Nyun
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            NameFull: Kwon, Oh Joong
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            – D: 01
              M: 06
              Text: Jun2015
              Type: published
              Y: 2015
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              Value: 09263373
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            – Type: volume
              Value: 168/169
          Titles:
            – TitleFull: Applied Catalysis B: Environment & Energy
              Type: main
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