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Title: Fabrication of High Performing PEMFC Catalyst-Coated Membranes with a Low Cost Air-Assisted Cylindrical Liquid Jets Spraying System

Abstract

In this paper, a low cost air-assisted cylindrical liquid jets spraying (ACLJS) system was developed to prepare high-performance catalyst-coated membranes (CCMs) for proton exchange membrane fuel cells (PEMFCs). The catalyst ink was flowed from a cylindrical orifice and was atomized by an air stream fed from a coaxial slit and sprayed directly onto the membrane, which was suctioned to a heated aluminum vacuum plate. The CCM pore architecture including size, distribution and volume can be controlled using various flow parameters, and the impact of spraying conditions on electrode structure and PEMFC performance was investigated. CCMs fabricated in the fiber-type break-up regime by ACLJS achieved very high performance during PEMFC testing, with the top-performing cells having a current density greater than 1900 mA/cm2 at 0.7 V under H2/O2 flows and 700 mA/cm2 under H2/Air at 1.5 bar(absolute) pressure and 60% gas RH, and 80°C cell temperature.

Authors:
 [1];  [1];  [1];  [1]
  1. Univ. of Connecticut, Storrs, CT (United States)
Publication Date:
Research Org.:
Univ. of Connecticut, Storrs, CT (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1435616
Grant/Contract Number:  
SC0010531
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 163; Journal Issue: 14; Journal ID: ISSN 0013-4651
Publisher:
The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; Air-assisted cylindrical liquid jet; Catalyst coated membrane; High performance; PEM fuel cell; Spray

Citation Formats

Peng, Xiong, Omasta, Travis, Rigdon, William, and Mustain, William E. Fabrication of High Performing PEMFC Catalyst-Coated Membranes with a Low Cost Air-Assisted Cylindrical Liquid Jets Spraying System. United States: N. p., 2016. Web. doi:10.1149/2.0981614jes.
Peng, Xiong, Omasta, Travis, Rigdon, William, & Mustain, William E. Fabrication of High Performing PEMFC Catalyst-Coated Membranes with a Low Cost Air-Assisted Cylindrical Liquid Jets Spraying System. United States. https://doi.org/10.1149/2.0981614jes
Peng, Xiong, Omasta, Travis, Rigdon, William, and Mustain, William E. Tue . "Fabrication of High Performing PEMFC Catalyst-Coated Membranes with a Low Cost Air-Assisted Cylindrical Liquid Jets Spraying System". United States. https://doi.org/10.1149/2.0981614jes. https://www.osti.gov/servlets/purl/1435616.
@article{osti_1435616,
title = {Fabrication of High Performing PEMFC Catalyst-Coated Membranes with a Low Cost Air-Assisted Cylindrical Liquid Jets Spraying System},
author = {Peng, Xiong and Omasta, Travis and Rigdon, William and Mustain, William E.},
abstractNote = {In this paper, a low cost air-assisted cylindrical liquid jets spraying (ACLJS) system was developed to prepare high-performance catalyst-coated membranes (CCMs) for proton exchange membrane fuel cells (PEMFCs). The catalyst ink was flowed from a cylindrical orifice and was atomized by an air stream fed from a coaxial slit and sprayed directly onto the membrane, which was suctioned to a heated aluminum vacuum plate. The CCM pore architecture including size, distribution and volume can be controlled using various flow parameters, and the impact of spraying conditions on electrode structure and PEMFC performance was investigated. CCMs fabricated in the fiber-type break-up regime by ACLJS achieved very high performance during PEMFC testing, with the top-performing cells having a current density greater than 1900 mA/cm2 at 0.7 V under H2/O2 flows and 700 mA/cm2 under H2/Air at 1.5 bar(absolute) pressure and 60% gas RH, and 80°C cell temperature.},
doi = {10.1149/2.0981614jes},
journal = {Journal of the Electrochemical Society},
number = 14,
volume = 163,
place = {United States},
year = {Tue Nov 15 00:00:00 EST 2016},
month = {Tue Nov 15 00:00:00 EST 2016}
}

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Cited by: 18 works
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Works referencing / citing this record:

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