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Title: Enhanced Performance of non-PGM Catalysts in Air Operated PEM-Fuel Cells

Abstract

Here a non-platinum group metal (non-PGM) oxygen reduction catalyst was prepared from “support-free” zeolitic imidazolate framework (ZIF) precursor and tested in the proton exchange membrane fuel cell with air as the cathode feed. The iron nitrogen and carbon composite (FeeNeC) based catalyst has high specific surface area decorated uniformly with active sites, which redefines the triple phase boundary (TPB) and requires re-optimization of the cathodic membrane electrode fabrication to ensure efficient mass and charge transports to the catalyst surface. This study reports an effort in optimizing catalytic ink formulation for the membrane electrode preparation and its impact to the fuel cell performance under air. Through optimization, the fuel cell areal current density as high as 115.2 mA/cm 2 at 0.8 V or 147.6 mA/cm 2 at 0.8 V iR-free has been achieved under one bar air. We also investigated impacts on fuel cell internal impedance and the water formation.

Authors:
 [1];  [2];  [2];  [3];  [2]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences & Engineering Division; Northern Illinois Univ., DeKalb, IL (United States). Dept. of Chemistry & Biochemistry
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences & Engineering Division
  3. Northern Illinois Univ., DeKalb, IL (United States). Dept. of Chemistry & Biochemistry
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Fuel Cell Technologies Office (EE-3F)
OSTI Identifier:
1339102
Alternate Identifier(s):
OSTI ID: 1397005
Grant/Contract Number:  
AC02-06CH11357; AC02-06CH11457
Resource Type:
Accepted Manuscript
Journal Name:
International Journal of Hydrogen Energy
Additional Journal Information:
Journal Volume: 41; Journal Issue: 47; Journal ID: ISSN 0360-3199
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Fuel cell; ionomer; non-PGM catalyst; Oxygen reduction reaction; Non-platinum group metal; MOF; Fe-N-C catalyst

Citation Formats

Barkholtz, Heather M., Chong, Lina, Kaiser, Zachary Brian, Xu, Tao, and Liu, Di-Jia. Enhanced Performance of non-PGM Catalysts in Air Operated PEM-Fuel Cells. United States: N. p., 2016. Web. doi:10.1016/j.ijhydene.2016.08.193.
Barkholtz, Heather M., Chong, Lina, Kaiser, Zachary Brian, Xu, Tao, & Liu, Di-Jia. Enhanced Performance of non-PGM Catalysts in Air Operated PEM-Fuel Cells. United States. doi:10.1016/j.ijhydene.2016.08.193.
Barkholtz, Heather M., Chong, Lina, Kaiser, Zachary Brian, Xu, Tao, and Liu, Di-Jia. Thu . "Enhanced Performance of non-PGM Catalysts in Air Operated PEM-Fuel Cells". United States. doi:10.1016/j.ijhydene.2016.08.193. https://www.osti.gov/servlets/purl/1339102.
@article{osti_1339102,
title = {Enhanced Performance of non-PGM Catalysts in Air Operated PEM-Fuel Cells},
author = {Barkholtz, Heather M. and Chong, Lina and Kaiser, Zachary Brian and Xu, Tao and Liu, Di-Jia},
abstractNote = {Here a non-platinum group metal (non-PGM) oxygen reduction catalyst was prepared from “support-free” zeolitic imidazolate framework (ZIF) precursor and tested in the proton exchange membrane fuel cell with air as the cathode feed. The iron nitrogen and carbon composite (FeeNeC) based catalyst has high specific surface area decorated uniformly with active sites, which redefines the triple phase boundary (TPB) and requires re-optimization of the cathodic membrane electrode fabrication to ensure efficient mass and charge transports to the catalyst surface. This study reports an effort in optimizing catalytic ink formulation for the membrane electrode preparation and its impact to the fuel cell performance under air. Through optimization, the fuel cell areal current density as high as 115.2 mA/cm2 at 0.8 V or 147.6 mA/cm2 at 0.8 ViR-free has been achieved under one bar air. We also investigated impacts on fuel cell internal impedance and the water formation.},
doi = {10.1016/j.ijhydene.2016.08.193},
journal = {International Journal of Hydrogen Energy},
number = 47,
volume = 41,
place = {United States},
year = {2016},
month = {10}
}

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