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Catalyst Based on Palladium‐Modified MIL‐53(Al) Pyrolysate for ORR in Alkaline Media.

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Title: Catalyst Based on Palladium‐Modified MIL‐53(Al) Pyrolysate for ORR in Alkaline Media.
Authors: Yu Vinogradov, K.1 (AUTHOR), Shafigulin, R. V.1 (AUTHOR), Davydov, V. A.1 (AUTHOR), Tokranova, Е. О.1 (AUTHOR), Korchagin, О. V.1,2 (AUTHOR), Radina, M. V.2 (AUTHOR), Sokolov, А. V.3 (AUTHOR), Bulanova, А. V.1 (AUTHOR) av.bul@yandex.ru
Source: ChemCatChem. 2/17/2025, Vol. 17 Issue 4, p1-13. 13p.
Subjects: Rotating disk electrodes, Platinum catalysts, Photoelectron spectroscopy, Transmission electron microscopy, Scanning electron microscopy
Abstract: A catalyst for the oxygen reduction reaction (ORR) based on the metal‐organic framework material MIL‐53(Al) modified with palladium was synthesized. Its textural and morphological characteristics were studied using the method of adsorption porosimetry, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X‐ray analysis (EDAX), X‐ray diffraction (XRD), Raman spectroscopy, X‐ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA‐DSC). The electrocatalytic properties of the synthesized material in ORR were studied by voltammetry, using a rotating disk electrode. Corrosion resistance was studied in the CV mode. It was found that the synthesized catalyst is characterized by high corrosion resistance. The tolerance of synthesized catalyst Pyr_MIL‐53(Al)_Pd to the methanol was studied. The obtained catalyst was studied in a membrane electrode assembly (MEA) formed by spraying an ionomer suspension onto a gas diffusion layer (GDL). The synthesized Pyr‐MIL‐53 (Al)_Pd and commercial platinum (60% Pt) (HiSPEC 9100) catalysts were compared in the cathode composition, and 10% PtM (M = Ni, Mo)/CNT catalysts were used on the anode. The power density of the FC (P) was calculated based on the obtained current‐voltage curves. Based on the set of characteristics, the synthesized catalyst based on MIL‐53 (AL) doped with palladium is superior in efficiency to the commercial platinum catalyst. [ABSTRACT FROM AUTHOR]
Copyright of ChemCatChem is the property of Wiley-Blackwell 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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  Data: Catalyst Based on Palladium‐Modified MIL‐53(Al) Pyrolysate for ORR in Alkaline Media.
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  Data: <searchLink fieldCode="AR" term="%22Yu+Vinogradov%2C+K%2E%22">Yu Vinogradov, K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shafigulin%2C+R%2E+V%2E%22">Shafigulin, R. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Davydov%2C+V%2E+A%2E%22">Davydov, V. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tokranova%2C+Е%2E+О%2E%22">Tokranova, Е. О.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Korchagin%2C+О%2E+V%2E%22">Korchagin, О. V.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Radina%2C+M%2E+V%2E%22">Radina, M. V.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sokolov%2C+А%2E+V%2E%22">Sokolov, А. V.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bulanova%2C+А%2E+V%2E%22">Bulanova, А. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> av.bul@yandex.ru</i>
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  Data: <searchLink fieldCode="JN" term="%22ChemCatChem%22">ChemCatChem</searchLink>. 2/17/2025, Vol. 17 Issue 4, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Rotating+disk+electrodes%22">Rotating disk electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Platinum+catalysts%22">Platinum catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Photoelectron+spectroscopy%22">Photoelectron spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+electron+microscopy%22">Transmission electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink>
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  Data: A catalyst for the oxygen reduction reaction (ORR) based on the metal‐organic framework material MIL‐53(Al) modified with palladium was synthesized. Its textural and morphological characteristics were studied using the method of adsorption porosimetry, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X‐ray analysis (EDAX), X‐ray diffraction (XRD), Raman spectroscopy, X‐ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TGA‐DSC). The electrocatalytic properties of the synthesized material in ORR were studied by voltammetry, using a rotating disk electrode. Corrosion resistance was studied in the CV mode. It was found that the synthesized catalyst is characterized by high corrosion resistance. The tolerance of synthesized catalyst Pyr_MIL‐53(Al)_Pd to the methanol was studied. The obtained catalyst was studied in a membrane electrode assembly (MEA) formed by spraying an ionomer suspension onto a gas diffusion layer (GDL). The synthesized Pyr‐MIL‐53 (Al)_Pd and commercial platinum (60% Pt) (HiSPEC 9100) catalysts were compared in the cathode composition, and 10% PtM (M = Ni, Mo)/CNT catalysts were used on the anode. The power density of the FC (P) was calculated based on the obtained current‐voltage curves. Based on the set of characteristics, the synthesized catalyst based on MIL‐53 (AL) doped with palladium is superior in efficiency to the commercial platinum catalyst. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of ChemCatChem is the property of Wiley-Blackwell 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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        Value: 10.1002/cctc.202401538
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        Text: English
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        Type: general
      – SubjectFull: Platinum catalysts
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      – SubjectFull: Photoelectron spectroscopy
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      – SubjectFull: Transmission electron microscopy
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      – SubjectFull: Scanning electron microscopy
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      – TitleFull: Catalyst Based on Palladium‐Modified MIL‐53(Al) Pyrolysate for ORR in Alkaline Media.
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              Text: 2/17/2025
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