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Improved La0.8Sr0.2MnO3-δ oxygen electrode activity by introducing high oxygen ion conductor oxide for solid oxide steam electrolysis.

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Title: Improved La0.8Sr0.2MnO3-δ oxygen electrode activity by introducing high oxygen ion conductor oxide for solid oxide steam electrolysis.
Authors: Lin, Qihang1,2 (AUTHOR), Bian, Liuzhen1,2,3 (AUTHOR) liuzhenbian@126.com, Liu, Changyang4 (AUTHOR), Ting, Ting1,2 (AUTHOR), Liu, Ziliang1,2 (AUTHOR), Wei, Pengyu1,2 (AUTHOR), Han, Shuaiwen1,2 (AUTHOR), Xu, Yang5 (AUTHOR), Peng, Jun1,2,3 (AUTHOR), An, Shengli1,2,3,4 (AUTHOR)
Source: International Journal of Hydrogen Energy. Jan2024:Part C, Vol. 49, p616-624. 9p.
Subjects: Oxygen electrodes, High temperature electrolysis, Solid oxide fuel cells, Electrolysis, Hydrogen as fuel, Interface structures, Power density, Oxides
Abstract: The limited oxygen ion conductivity of conventional La 0.8 Sr 0.2 MnO 3-δ (LSM) electrode has hindered the development of high-performance solid oxide cells. To address this issue, the electrode interface structure of LSM electrode is regulated by incorporating oxides with high oxygen ion conductivity. Specifically, the addition of Dy and Y co-doped Bi 2 O 3-δ oxide (DBY) with a conductivity of 0.34 S cm−1 at 700 °C, which is almost 9 and 20 times higher than conventional SDC and YSZ oxides, has found to substantially reduce the electrode sintering temperature and enhance the transport ability of ion and electron at the interface. As a result, the interface polarization resistance of the LSM/DBY composite electrode is as low as 0.096 Ω cm2 at 700 °C. Finally, a solid oxide cell equipped with an LSM/DBY electrode attains a high power density of 1.78 Wcm−2 in fuel cell mode at 800 °C and 3%H 2 O–H 2 , as well as a current density of −1.58 Acm−2 in electrolysis mode under 1.50 V and 50% H 2 O–H 2 condition. • Dy and Y co-doped Bi 2 O 3 oxide with high ion conductivity is synthesized. • The R p of LSM/DBY composite electrode is as low as 0.096 Ω cm2. • High current density of −1.58 A cm−2 is obtained under 1.5 V and 50%H 2 O–H 2. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
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DbLabel: Engineering Source
An: 174104557
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Improved La0.8Sr0.2MnO3-δ oxygen electrode activity by introducing high oxygen ion conductor oxide for solid oxide steam electrolysis.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Qihang%22">Lin, Qihang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bian%2C+Liuzhen%22">Bian, Liuzhen</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> liuzhenbian@126.com</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Changyang%22">Liu, Changyang</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ting%2C+Ting%22">Ting, Ting</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Ziliang%22">Liu, Ziliang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Pengyu%22">Wei, Pengyu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Han%2C+Shuaiwen%22">Han, Shuaiwen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Yang%22">Xu, Yang</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peng%2C+Jun%22">Peng, Jun</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22An%2C+Shengli%22">An, Shengli</searchLink><relatesTo>1,2,3,4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Hydrogen+Energy%22">International Journal of Hydrogen Energy</searchLink>. Jan2024:Part C, Vol. 49, p616-624. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Oxygen+electrodes%22">Oxygen electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22High+temperature+electrolysis%22">High temperature electrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Solid+oxide+fuel+cells%22">Solid oxide fuel cells</searchLink><br /><searchLink fieldCode="DE" term="%22Electrolysis%22">Electrolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+as+fuel%22">Hydrogen as fuel</searchLink><br /><searchLink fieldCode="DE" term="%22Interface+structures%22">Interface structures</searchLink><br /><searchLink fieldCode="DE" term="%22Power+density%22">Power density</searchLink><br /><searchLink fieldCode="DE" term="%22Oxides%22">Oxides</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The limited oxygen ion conductivity of conventional La 0.8 Sr 0.2 MnO 3-δ (LSM) electrode has hindered the development of high-performance solid oxide cells. To address this issue, the electrode interface structure of LSM electrode is regulated by incorporating oxides with high oxygen ion conductivity. Specifically, the addition of Dy and Y co-doped Bi 2 O 3-δ oxide (DBY) with a conductivity of 0.34 S cm−1 at 700 °C, which is almost 9 and 20 times higher than conventional SDC and YSZ oxides, has found to substantially reduce the electrode sintering temperature and enhance the transport ability of ion and electron at the interface. As a result, the interface polarization resistance of the LSM/DBY composite electrode is as low as 0.096 Ω cm2 at 700 °C. Finally, a solid oxide cell equipped with an LSM/DBY electrode attains a high power density of 1.78 Wcm−2 in fuel cell mode at 800 °C and 3%H 2 O–H 2 , as well as a current density of −1.58 Acm−2 in electrolysis mode under 1.50 V and 50% H 2 O–H 2 condition. • Dy and Y co-doped Bi 2 O 3 oxide with high ion conductivity is synthesized. • The R p of LSM/DBY composite electrode is as low as 0.096 Ω cm2. • High current density of −1.58 A cm−2 is obtained under 1.5 V and 50%H 2 O–H 2. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijhydene.2023.08.316
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 616
    Subjects:
      – SubjectFull: Oxygen electrodes
        Type: general
      – SubjectFull: High temperature electrolysis
        Type: general
      – SubjectFull: Solid oxide fuel cells
        Type: general
      – SubjectFull: Electrolysis
        Type: general
      – SubjectFull: Hydrogen as fuel
        Type: general
      – SubjectFull: Interface structures
        Type: general
      – SubjectFull: Power density
        Type: general
      – SubjectFull: Oxides
        Type: general
    Titles:
      – TitleFull: Improved La0.8Sr0.2MnO3-δ oxygen electrode activity by introducing high oxygen ion conductor oxide for solid oxide steam electrolysis.
        Type: main
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            NameFull: Lin, Qihang
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            NameFull: Bian, Liuzhen
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            NameFull: Liu, Changyang
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            NameFull: Ting, Ting
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            NameFull: Liu, Ziliang
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            NameFull: Wei, Pengyu
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            NameFull: Han, Shuaiwen
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            NameFull: Xu, Yang
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            NameFull: An, Shengli
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            – D: 04
              M: 01
              Text: Jan2024:Part C
              Type: published
              Y: 2024
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              Value: 49
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            – TitleFull: International Journal of Hydrogen Energy
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