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Title: Non-precious metal catalysts prepared from precursors comprising cyanamide and polyaniline

Abstract

A catalyst for oxygen reduction reaction (ORR) for a fuel cell was prepared by pyrolyzing a mixture of polyaniline, cyanamide, carbon black, and a non-precious metal salt under an inert atmosphere. The pyrolyzed product was treated to remove acid soluble components and then pyrolyzed again. The resulting powder was used to prepare a cathode for a membrane electrode assembly that was used in a fuel cell. When iron(III) chloride was used as the salt, the resulting catalyst was porous with a web-shaped structure. It displayed a maximum power density of 0.79 W/cm at 0.4 V in H.sub.2/O.sub.2 at 1.0 bar back pressure.

Inventors:
;
Issue Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1440984
Patent Number(s):
9,979,026
Application Number:
14/042,249
Assignee:
Los Alamos National Security, LLC (Los Alamos, NM)
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Sep 30
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Chung, Hoon Taek, and Zelenay, Piotr. Non-precious metal catalysts prepared from precursors comprising cyanamide and polyaniline. United States: N. p., 2018. Web.
Chung, Hoon Taek, & Zelenay, Piotr. Non-precious metal catalysts prepared from precursors comprising cyanamide and polyaniline. United States.
Chung, Hoon Taek, and Zelenay, Piotr. Tue . "Non-precious metal catalysts prepared from precursors comprising cyanamide and polyaniline". United States. https://www.osti.gov/servlets/purl/1440984.
@article{osti_1440984,
title = {Non-precious metal catalysts prepared from precursors comprising cyanamide and polyaniline},
author = {Chung, Hoon Taek and Zelenay, Piotr},
abstractNote = {A catalyst for oxygen reduction reaction (ORR) for a fuel cell was prepared by pyrolyzing a mixture of polyaniline, cyanamide, carbon black, and a non-precious metal salt under an inert atmosphere. The pyrolyzed product was treated to remove acid soluble components and then pyrolyzed again. The resulting powder was used to prepare a cathode for a membrane electrode assembly that was used in a fuel cell. When iron(III) chloride was used as the salt, the resulting catalyst was porous with a web-shaped structure. It displayed a maximum power density of 0.79 W/cm at 0.4 V in H.sub.2/O.sub.2 at 1.0 bar back pressure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {5}
}

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