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http://dx.doi.org/10.7464/ksct.2013.19.1.059

Synthesis of Electrode Catalyst for Polymer Electrolyte Membrane Fuel Cells Using Colloidal Method  

Park, Jin-Nam (Department of New & Renewable Energy, Kyungil University)
Publication Information
Clean Technology / v.19, no.1, 2013 , pp. 59-64 More about this Journal
Abstract
Pt/carbon Electrode catalysts for PEMFC were synthesized using colloidal method. PSA (platinum sulfite acid) was used as a Pt precursor and CPA (chloroplatinic acid) was also used to replace relatively expensive PSA. Electrode catalysts prepared using PSA showed Pt particle size less than 3.5 nm and Pt yield higher than 90% in 10~40 wt% Pt loading. Electrode catalysts prepared using CPA also showed Pt particle size less than 4.4 nm and Pt yield higher than 80% in 10~40 wt% Pt loading. The MEA (membrane electrode assembly) using 20 wt% Pt/VXC72 showed equivalent I-V curve comparing with commercial electrode catalyst in single cell test.
Keywords
Platinum sulfite acid; Colloidal method; PEMFC; Pt/carbon; Membrane electrode assembly;
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