The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Standard

The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts. / Sandbeck, Daniel J.S.; Secher, Niklas Morch; Inaba, Masanori; Quinson, Jonathan; Sorensen, Jakob Ejler; Kibsgaard, Jakob; Zana, Alessandro; Bizzotto, Francesco; Speck, Florian D.; Paul, Michael T.Y.; Dworzak, Alexandra; Dosche, Carsten; Oezaslan, Mehtap; Chorkendorff, Ib; Arenz, Matthias; Cherevko, Serhiy.

I: Journal of the Electrochemical Society, Bind 167, Nr. 16, 164501, 20.11.2020.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Sandbeck, DJS, Secher, NM, Inaba, M, Quinson, J, Sorensen, JE, Kibsgaard, J, Zana, A, Bizzotto, F, Speck, FD, Paul, MTY, Dworzak, A, Dosche, C, Oezaslan, M, Chorkendorff, I, Arenz, M & Cherevko, S 2020, 'The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts', Journal of the Electrochemical Society, bind 167, nr. 16, 164501. https://doi.org/10.1149/1945-7111/abc767

APA

Sandbeck, D. J. S., Secher, N. M., Inaba, M., Quinson, J., Sorensen, J. E., Kibsgaard, J., Zana, A., Bizzotto, F., Speck, F. D., Paul, M. T. Y., Dworzak, A., Dosche, C., Oezaslan, M., Chorkendorff, I., Arenz, M., & Cherevko, S. (2020). The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts. Journal of the Electrochemical Society, 167(16), [164501]. https://doi.org/10.1149/1945-7111/abc767

Vancouver

Sandbeck DJS, Secher NM, Inaba M, Quinson J, Sorensen JE, Kibsgaard J o.a. The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts. Journal of the Electrochemical Society. 2020 nov. 20;167(16). 164501. https://doi.org/10.1149/1945-7111/abc767

Author

Sandbeck, Daniel J.S. ; Secher, Niklas Morch ; Inaba, Masanori ; Quinson, Jonathan ; Sorensen, Jakob Ejler ; Kibsgaard, Jakob ; Zana, Alessandro ; Bizzotto, Francesco ; Speck, Florian D. ; Paul, Michael T.Y. ; Dworzak, Alexandra ; Dosche, Carsten ; Oezaslan, Mehtap ; Chorkendorff, Ib ; Arenz, Matthias ; Cherevko, Serhiy. / The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts. I: Journal of the Electrochemical Society. 2020 ; Bind 167, Nr. 16.

Bibtex

@article{523efdc3351e449f9bf7c2439f59f146,
title = "The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts",
abstract = "Cost and lifetime currently hinder widespread commercialization of polymer electrolyte membrane fuel cells (PEMFCs). Reduced electrode Pt loadings lower costs; however, the impact of metal loading (on the support) and its relation to degradation (lifetime) remain unclear. The limited research on these parameters stems from synthetic difficulties and lack of in situ analytics. This study addresses these challenges by synthesizing 2D and 3D Pt/C model catalyst systems via two precise routes and systematically varying the loading. Pt dissolution was monitored using on-line inductively coupled plasma mass spectrometry (on-line-ICP-MS), while X-ray spectroscopy techniques were applied to establish the oxidation states of Pt in correlation with metal loading. Dissolution trends emerge which can be explained by three particle proximity dependent mechanisms: (1) shifts in the Nernst dissolution potential, (2) redeposition, and (3) alteration of Pt oxidation states. These results identify engineering limitations, which should be considered by researchers in fuel cell development and related fields. ",
author = "Sandbeck, {Daniel J.S.} and Secher, {Niklas Morch} and Masanori Inaba and Jonathan Quinson and Sorensen, {Jakob Ejler} and Jakob Kibsgaard and Alessandro Zana and Francesco Bizzotto and Speck, {Florian D.} and Paul, {Michael T.Y.} and Alexandra Dworzak and Carsten Dosche and Mehtap Oezaslan and Ib Chorkendorff and Matthias Arenz and Serhiy Cherevko",
year = "2020",
month = nov,
day = "20",
doi = "10.1149/1945-7111/abc767",
language = "English",
volume = "167",
journal = "Journal of The Electrochemical Society",
issn = "0013-4651",
publisher = "Electrochemical Society",
number = "16",

}

RIS

TY - JOUR

T1 - The Dissolution Dilemma for Low Pt Loading Polymer Electrolyte Membrane Fuel Cell Catalysts

AU - Sandbeck, Daniel J.S.

AU - Secher, Niklas Morch

AU - Inaba, Masanori

AU - Quinson, Jonathan

AU - Sorensen, Jakob Ejler

AU - Kibsgaard, Jakob

AU - Zana, Alessandro

AU - Bizzotto, Francesco

AU - Speck, Florian D.

AU - Paul, Michael T.Y.

AU - Dworzak, Alexandra

AU - Dosche, Carsten

AU - Oezaslan, Mehtap

AU - Chorkendorff, Ib

AU - Arenz, Matthias

AU - Cherevko, Serhiy

PY - 2020/11/20

Y1 - 2020/11/20

N2 - Cost and lifetime currently hinder widespread commercialization of polymer electrolyte membrane fuel cells (PEMFCs). Reduced electrode Pt loadings lower costs; however, the impact of metal loading (on the support) and its relation to degradation (lifetime) remain unclear. The limited research on these parameters stems from synthetic difficulties and lack of in situ analytics. This study addresses these challenges by synthesizing 2D and 3D Pt/C model catalyst systems via two precise routes and systematically varying the loading. Pt dissolution was monitored using on-line inductively coupled plasma mass spectrometry (on-line-ICP-MS), while X-ray spectroscopy techniques were applied to establish the oxidation states of Pt in correlation with metal loading. Dissolution trends emerge which can be explained by three particle proximity dependent mechanisms: (1) shifts in the Nernst dissolution potential, (2) redeposition, and (3) alteration of Pt oxidation states. These results identify engineering limitations, which should be considered by researchers in fuel cell development and related fields.

AB - Cost and lifetime currently hinder widespread commercialization of polymer electrolyte membrane fuel cells (PEMFCs). Reduced electrode Pt loadings lower costs; however, the impact of metal loading (on the support) and its relation to degradation (lifetime) remain unclear. The limited research on these parameters stems from synthetic difficulties and lack of in situ analytics. This study addresses these challenges by synthesizing 2D and 3D Pt/C model catalyst systems via two precise routes and systematically varying the loading. Pt dissolution was monitored using on-line inductively coupled plasma mass spectrometry (on-line-ICP-MS), while X-ray spectroscopy techniques were applied to establish the oxidation states of Pt in correlation with metal loading. Dissolution trends emerge which can be explained by three particle proximity dependent mechanisms: (1) shifts in the Nernst dissolution potential, (2) redeposition, and (3) alteration of Pt oxidation states. These results identify engineering limitations, which should be considered by researchers in fuel cell development and related fields.

U2 - 10.1149/1945-7111/abc767

DO - 10.1149/1945-7111/abc767

M3 - Journal article

AN - SCOPUS:85096911382

VL - 167

JO - Journal of The Electrochemical Society

JF - Journal of The Electrochemical Society

SN - 0013-4651

IS - 16

M1 - 164501

ER -

ID: 253235819