Abstract
Composite SnO2/C materials obtained by electrodeposition of tin on Vulcan XC72 particles were used to fabricate a platinum catalyst for the oxygen electroreduction reaction (ORR). Thermogravimetry and X-ray diffraction methods made it possible to determine the composition of materials and the size of platinum and tin oxide crystallites. The use of the SnO2/C composite obtained in the presence of e-caprolactam (CPL) as a support made it possible to increase the electrochemically active surface area (ESA) of platinum and the mass activity of the Pt/SnO2/C catalyst in ORR.
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