Coupling Co, N Co‐Doped Carbon Nanotubes and PtCo Nanoparticles for Boosting Oxygen Reduction Reaction Article Swipe
Wen Feng
,
Congyue Sun
,
Xiaojin Li
,
Xiliang Luo
,
Wenqi Liu
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1002/cplu.202500076
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1002/cplu.202500076
The exploitation of an efficient and stable oxygen reduction reaction (ORR) catalyst plays a crucial role in the slow kinetics of the cathode in proton exchange membrane fuel cells. In this study, a catalyst loaded with PtCo alloys on Co and N co‐doped carbon nanotubes (PtCoNC) is synthesized for oxygen reduction reaction, which has high activity and stability. The carbon nanotube structure provides efficient transport channels for reactant exchange and product transport, as well as provides a wealth of triple‐phase sites, that improves the utilization of Pt. Further, the PtCoNC catalyst exhibits robust metal‐support interactions, which can be attributed to the anchoring of the Co‐N x sites to Pt. Theoretical calculations indicating an increase in binding energy and a reduction in layer spacing provide conclusive verification of the presence of augmented interactions between PtCo nanoparticles and the support. As a result, the low Pt‐loaded (0.025 mg cm −2 ) PtCoNC catalyst demonstrates superior ORR activity to that of commercial Pt/C with an impressive half‐wave potential of 0.893 V vs reversible hydrogen electrode (RHE) in 0.1 M HClO 4 solution. At 0.9 V vs RHE, its mass activity and specific activity are 3 and 2.6 times that of commercial Pt/C, respectively. It also shows better stability in acidic environment.
Related Topics
Concepts
Catalysis
Proton exchange membrane fuel cell
Carbon nanotube
Nanoparticle
Materials science
Chemical engineering
Oxygen
Carbon fibers
Carbon black
Oxygen reduction reaction
Chemistry
Inorganic chemistry
Nanotechnology
Electrochemistry
Physical chemistry
Electrode
Organic chemistry
Composite material
Engineering
Natural rubber
Composite number
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/cplu.202500076
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/cplu.202500076
- OA Status
- bronze
- References
- 44
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4409590588
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4409590588Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1002/cplu.202500076Digital Object Identifier
- Title
-
Coupling Co, N Co‐Doped Carbon Nanotubes and PtCo Nanoparticles for Boosting Oxygen Reduction ReactionWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-04-19Full publication date if available
- Authors
-
Wen Feng, Congyue Sun, Xiaojin Li, Xiliang Luo, Wenqi LiuList of authors in order
- Landing page
-
https://doi.org/10.1002/cplu.202500076Publisher landing page
- PDF URL
-
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/cplu.202500076Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
bronzeOpen access status per OpenAlex
- OA URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/cplu.202500076Direct OA link when available
- Concepts
-
Catalysis, Proton exchange membrane fuel cell, Carbon nanotube, Nanoparticle, Materials science, Chemical engineering, Oxygen, Carbon fibers, Carbon black, Oxygen reduction reaction, Chemistry, Inorganic chemistry, Nanotechnology, Electrochemistry, Physical chemistry, Electrode, Organic chemistry, Composite material, Engineering, Natural rubber, Composite numberTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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44Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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