The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer

Haoran Yu; Andrea Baricci; Andrea Casalegno; Laure Guetaz; Radenka Maric

doi:10.1149/07225.0041ecst

The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer

Haoran Yu, Andrea Baricci, Andrea Casalegno, Laure Guetaz, Radenka Maric

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

We demonstrated the ability to control the platinum particle size in the synthesis of carbon supported Pt (Pt/C) electrocatalyst with reactive spray deposition technology (RSDT). The degradation of Pt cathode with loading of 0.1 mg/cm² in membrane electrode assembly (MEA) under simulated drive cycles (30000 triangular wave cycles between 0.6 and 1.0 V_rhe) showed similar electrochemical surface area (ECSA) at the end of life (EOL), regardless of the initial Pt particle size or carbon support type. However, it is possible to reduce the loss of ECSA using a gradient catalyst layer consisting of a 6 um layer with Pt particles of 5 nm toward the membrane and another 6 μm layer with Pt particles of 2 nm toward the GDL. Microscopy studies suggested that the gradient catalyst layer have less Pt loss% into the electrolyte, thereby maintained higher ECSA at EOL.

Original language	English
Title of host publication	Heterogeneous Functional Materials for Energy Conversion and Storage
Editors	W. K. S. Chiu, F. Chen, A. Herring, D. Chu, S. Gopalan, T. Markus, P. J. Masset
Publisher	Electrochemical Society Inc.
Pages	41-55
Number of pages	15
Edition	25
ISBN (Electronic)	9781607687528
ISBN (Print)	9781623323943
DOIs	https://doi.org/10.1149/07225.0041ecst
State	Published - 2016
Externally published	Yes
Event	Symposium on Heterogeneous Functional Materials for Energy Conversion and Storage - 229th ECS Meeting - San Diego, United States Duration: May 29 2016 → Jun 2 2016

Publication series

Name	ECS Transactions
Number	25
Volume	72
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Conference

Conference	Symposium on Heterogeneous Functional Materials for Energy Conversion and Storage - 229th ECS Meeting
Country/Territory	United States
City	San Diego
Period	05/29/16 → 06/2/16

Funding

The authors gratefully acknowledge the National Science Foundation (award number CMMI-1265893) for financial support.

Funders	Funder number
National Science Foundation	CMMI-1265893

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1149/07225.0041ecst

Cite this

Yu, H., Baricci, A., Casalegno, A., Guetaz, L., & Maric, R. (2016). The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer. In W. K. S. Chiu, F. Chen, A. Herring, D. Chu, S. Gopalan, T. Markus, & P. J. Masset (Eds.), Heterogeneous Functional Materials for Energy Conversion and Storage (25 ed., pp. 41-55). (ECS Transactions; Vol. 72, No. 25). Electrochemical Society Inc.. https://doi.org/10.1149/07225.0041ecst

Yu, Haoran ; Baricci, Andrea ; Casalegno, Andrea et al. / The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer. Heterogeneous Functional Materials for Energy Conversion and Storage. editor / W. K. S. Chiu ; F. Chen ; A. Herring ; D. Chu ; S. Gopalan ; T. Markus ; P. J. Masset. 25. ed. Electrochemical Society Inc., 2016. pp. 41-55 (ECS Transactions; 25).

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title = "The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer",

abstract = "We demonstrated the ability to control the platinum particle size in the synthesis of carbon supported Pt (Pt/C) electrocatalyst with reactive spray deposition technology (RSDT). The degradation of Pt cathode with loading of 0.1 mg/cm2 in membrane electrode assembly (MEA) under simulated drive cycles (30000 triangular wave cycles between 0.6 and 1.0 Vrhe) showed similar electrochemical surface area (ECSA) at the end of life (EOL), regardless of the initial Pt particle size or carbon support type. However, it is possible to reduce the loss of ECSA using a gradient catalyst layer consisting of a 6 um layer with Pt particles of 5 nm toward the membrane and another 6 μm layer with Pt particles of 2 nm toward the GDL. Microscopy studies suggested that the gradient catalyst layer have less Pt loss% into the electrolyte, thereby maintained higher ECSA at EOL.",

author = "Haoran Yu and Andrea Baricci and Andrea Casalegno and Laure Guetaz and Radenka Maric",

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Yu, H, Baricci, A, Casalegno, A, Guetaz, L & Maric, R 2016, The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer. in WKS Chiu, F Chen, A Herring, D Chu, S Gopalan, T Markus & PJ Masset (eds), Heterogeneous Functional Materials for Energy Conversion and Storage. 25 edn, ECS Transactions, no. 25, vol. 72, Electrochemical Society Inc., pp. 41-55, Symposium on Heterogeneous Functional Materials for Energy Conversion and Storage - 229th ECS Meeting, San Diego, United States, 05/29/16. https://doi.org/10.1149/07225.0041ecst

The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer. / Yu, Haoran; Baricci, Andrea; Casalegno, Andrea et al.
Heterogeneous Functional Materials for Energy Conversion and Storage. ed. / W. K. S. Chiu; F. Chen; A. Herring; D. Chu; S. Gopalan; T. Markus; P. J. Masset. 25. ed. Electrochemical Society Inc., 2016. p. 41-55 (ECS Transactions; Vol. 72, No. 25).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer

AU - Yu, Haoran

AU - Baricci, Andrea

AU - Casalegno, Andrea

AU - Guetaz, Laure

AU - Maric, Radenka

N1 - Publisher Copyright: © The Electrochemical Society.

PY - 2016

Y1 - 2016

N2 - We demonstrated the ability to control the platinum particle size in the synthesis of carbon supported Pt (Pt/C) electrocatalyst with reactive spray deposition technology (RSDT). The degradation of Pt cathode with loading of 0.1 mg/cm2 in membrane electrode assembly (MEA) under simulated drive cycles (30000 triangular wave cycles between 0.6 and 1.0 Vrhe) showed similar electrochemical surface area (ECSA) at the end of life (EOL), regardless of the initial Pt particle size or carbon support type. However, it is possible to reduce the loss of ECSA using a gradient catalyst layer consisting of a 6 um layer with Pt particles of 5 nm toward the membrane and another 6 μm layer with Pt particles of 2 nm toward the GDL. Microscopy studies suggested that the gradient catalyst layer have less Pt loss% into the electrolyte, thereby maintained higher ECSA at EOL.

AB - We demonstrated the ability to control the platinum particle size in the synthesis of carbon supported Pt (Pt/C) electrocatalyst with reactive spray deposition technology (RSDT). The degradation of Pt cathode with loading of 0.1 mg/cm2 in membrane electrode assembly (MEA) under simulated drive cycles (30000 triangular wave cycles between 0.6 and 1.0 Vrhe) showed similar electrochemical surface area (ECSA) at the end of life (EOL), regardless of the initial Pt particle size or carbon support type. However, it is possible to reduce the loss of ECSA using a gradient catalyst layer consisting of a 6 um layer with Pt particles of 5 nm toward the membrane and another 6 μm layer with Pt particles of 2 nm toward the GDL. Microscopy studies suggested that the gradient catalyst layer have less Pt loss% into the electrolyte, thereby maintained higher ECSA at EOL.

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BT - Heterogeneous Functional Materials for Energy Conversion and Storage

A2 - Chiu, W. K. S.

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A2 - Chu, D.

A2 - Gopalan, S.

A2 - Markus, T.

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PB - Electrochemical Society Inc.

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Y2 - 29 May 2016 through 2 June 2016

ER -

Yu H, Baricci A, Casalegno A, Guetaz L, Maric R. The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer. In Chiu WKS, Chen F, Herring A, Chu D, Gopalan S, Markus T, Masset PJ, editors, Heterogeneous Functional Materials for Energy Conversion and Storage. 25 ed. Electrochemical Society Inc. 2016. p. 41-55. (ECS Transactions; 25). doi: 10.1149/07225.0041ecst

The influence of the carbon support and platinum particle size on degradation of cathode for low platinum-loading catalyst layer

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