Effects of solution pH and preparation conditions on the electrochemical behaviors of Pt (111)-Nafion interface (Record no. 55647)

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003 - CONTROL NUMBER IDENTIFIER
control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250626083335.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-21578
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245 10 - TITLE STATEMENT
Title Effects of solution pH and preparation conditions on the electrochemical behaviors of Pt (111)-Nafion interface
490 0# - SERIES STATEMENT
Series statement Electrochimica Acta, 475, p.143652, 2024
500 ## - GENERAL NOTE
General note Artículo
520 3# - SUMMARY, ETC.
Summary, etc. The Nafion ionomer is one of the important components in the membrane electrode assemblies of proton exchange membrane fuel cells, and acts as both the proton conductor and the binder for nanocatalysts and carbon supports. To gain a better understanding of the structure-performance relationship for the membrane electrode assemblies, Pt(111)-Nafion model interfaces are fabricated, and factors affecting their electrochemical behaviors, especially the adsorption and poisoning behavior of sulfonic acid groups, have been systematically investigated using electrochemical cyclic voltammetry. Experiments show that the adsorption amount and potential of sulfonic acid groups at the interface can be influenced by solution pH and processing conditions (heat treatment, solvent type, and membrane thickness). It can be inferred that the adsorption process of sulfonate groups involves the participation of protons, and thus the number of protons, sulfonate groups and water molecules at the interface will affect the adsorption process. Additionally, our results indicate that heat treatment can regulate the poisoning effect of sulfonic acid groups at the interface, thus improving ORR activity. These findings have important implications for optimizing the preparation conditions of catalyst layers in fuel cells, improving fuel cell performance, and enhancing our understanding of the electrode-Nafion interface.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FUEL CELL
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element NAFION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SULFONIC ACID GROUPS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ADSORPTION PT(111)
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Cui, H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Xu, Y. J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pan, S. Y.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Chen, Y. X.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/10nqexVyW4s6s5fLP0PR3PhVLI_9ybUpv/view?usp=drive_link">https://drive.google.com/file/d/10nqexVyW4s6s5fLP0PR3PhVLI_9ybUpv/view?usp=drive_link</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 26.06.2025   B-21578 26.06.2025 26.06.2025 Documentos solicitados