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Preparation of nanoscale LaXO3 (X=Co, Mn, Ni) by rheological phase method for oxygen reduction reaction.

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Title: Preparation of nanoscale LaXO3 (X=Co, Mn, Ni) by rheological phase method for oxygen reduction reaction.
Authors: Wang, Pan1 (AUTHOR), Fu, Ce1 (AUTHOR), Zhan, Wei2 (AUTHOR), Zhang, Rong-Hua1 (AUTHOR) rhzhang@ctgu.edu.cn, Yan, Luo-Yi1 (AUTHOR), Cheng, Zheng1 (AUTHOR), Zhang, Xin1 (AUTHOR), Zhou, Xin-Wen1 (AUTHOR) xwzhou@ctgu.edu.cn
Source: Ceramics International. Jan2023, Vol. 49 Issue 2, p2319-2328. 10p.
Subjects: Metal catalysts, Catalytic activity, Oxygen reduction, Charge exchange, Perovskite, Catalysts
Abstract: The rheological phase method(RPM) is a simple and environmentally friendly synthesis method. In this work, nanoscale LaXO 3 (X = Co, Mn, Ni) series catalysts have been synthesized by RPM and their oxygen reduction reaction (ORR) have been investigated. The optimal calcination temperature of the RPM is lower than that of the solid-phase method, and the catalytic activity of the catalyst is also higher than that of solid-phase method, mainly because the products prepared by RPM have a nanoscale porous structure and a small amount of residual carbon. By comparing the differences among LaCoO 3 , LaMnO 3 , and LaNiO 3 , the results show that the ORR activity of the catalyst is the strongest when the b-site element is Mn, and the calculated electron transfer number is 3.99, which is close to 4 electrons, indicating that the by-product generation is relatively small, and the kinetic current density reach 6.63 mA cm−2. Both were higher than of LaCoO 3 and LaNiO 3. This work is expected to provide a new green synthesis method for non-noble metal catalyst perovskite oxygen reduction catalyst of LaCoO 3 , LaMnO 3 , and LaNiO 3. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International 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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DbLabel: Engineering Source
An: 160692282
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Preparation of nanoscale LaXO3 (X=Co, Mn, Ni) by rheological phase method for oxygen reduction reaction.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Pan%22">Wang, Pan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Ce%22">Fu, Ce</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhan%2C+Wei%22">Zhan, Wei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Rong-Hua%22">Zhang, Rong-Hua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rhzhang@ctgu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yan%2C+Luo-Yi%22">Yan, Luo-Yi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Zheng%22">Cheng, Zheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xin%22">Zhang, Xin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Xin-Wen%22">Zhou, Xin-Wen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xwzhou@ctgu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Jan2023, Vol. 49 Issue 2, p2319-2328. 10p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Metal+catalysts%22">Metal catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Catalytic+activity%22">Catalytic activity</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen+reduction%22">Oxygen reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+exchange%22">Charge exchange</searchLink><br /><searchLink fieldCode="DE" term="%22Perovskite%22">Perovskite</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysts%22">Catalysts</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The rheological phase method(RPM) is a simple and environmentally friendly synthesis method. In this work, nanoscale LaXO 3 (X = Co, Mn, Ni) series catalysts have been synthesized by RPM and their oxygen reduction reaction (ORR) have been investigated. The optimal calcination temperature of the RPM is lower than that of the solid-phase method, and the catalytic activity of the catalyst is also higher than that of solid-phase method, mainly because the products prepared by RPM have a nanoscale porous structure and a small amount of residual carbon. By comparing the differences among LaCoO 3 , LaMnO 3 , and LaNiO 3 , the results show that the ORR activity of the catalyst is the strongest when the b-site element is Mn, and the calculated electron transfer number is 3.99, which is close to 4 electrons, indicating that the by-product generation is relatively small, and the kinetic current density reach 6.63 mA cm−2. Both were higher than of LaCoO 3 and LaNiO 3. This work is expected to provide a new green synthesis method for non-noble metal catalyst perovskite oxygen reduction catalyst of LaCoO 3 , LaMnO 3 , and LaNiO 3. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ceramics International 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.ceramint.2022.09.200
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 2319
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      – SubjectFull: Metal catalysts
        Type: general
      – SubjectFull: Catalytic activity
        Type: general
      – SubjectFull: Oxygen reduction
        Type: general
      – SubjectFull: Charge exchange
        Type: general
      – SubjectFull: Perovskite
        Type: general
      – SubjectFull: Catalysts
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      – TitleFull: Preparation of nanoscale LaXO3 (X=Co, Mn, Ni) by rheological phase method for oxygen reduction reaction.
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            NameFull: Wang, Pan
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            NameFull: Fu, Ce
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            – D: 15
              M: 01
              Text: Jan2023
              Type: published
              Y: 2023
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