NDLI: Carbon-Supported Silver as Cathode Electrocatalyst for Alkaline Polymer Electrolyte Membrane Fuel Cells

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Carbon-Supported Silver as Cathode Electrocatalyst for Alkaline Polymer Electrolyte Membrane Fuel Cells

Content Provider	Springer Nature Link
Author	Maheswari, Subbiah Sridhar, Parthasarathi Pitchumani, Sethuraman
Copyright Year	2011
Abstract	Carbon-supported silver in varying percentage viz. 40%, 60%, and 80% (Ag/C) is prepared by sodium citrate protecting method. The structure, dispersion, electrochemical characterization, and surface area and oxygen reduction reaction pathway of Ag/C are determined by XRD, TEM, CV, and LSV, respectively. The catalyst is evaluated for its electrocatalytic activity towards oxygen reduction reaction (ORR) in alkaline polymer electrolyte membrane fuel cells (APEMFCs); 60% Ag/C gives higher performance than 40%, and 80% Ag/C. Metal loading on cathode is optimized through the cell polarization studies using 60% Ag/C. A peak power density of 10 mW/cm$^{2}$ is obtained for APEMFC single cell comprising 60% Ag/C and 38% Pt/C as cathode and anode catalysts, respectively.
Starting Page	13
Ending Page	21
Page Count	9
File Format	PDF
ISSN	18682529
Journal	Electrocatalysis
Volume Number	3
Issue Number	1
e-ISSN	18685994
Language	English
Publisher	Springer US
Publisher Date	2011-09-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Alkaline polymer electrolyte membrane fuel cell Electrochemical surface area Tafel slope Oxygen reduction reaction Carbon-supported silver Electrochemistry Physical Chemistry Energy Technology Catalysis
Content Type	Text
Resource Type	Article
Subject	Electrochemistry

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