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research-article

Iodine Doped Graphene for Enhanced Electrocatalytic Oxygen Reduction Reaction in PEM Fuel Cell Applications

[+] Author and Article Information
Adriana Marinoiu

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, Romania
adriana.marinoiu@icsi.ro

Mircea Raceanu

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, RomaniaUniversity Politehnica of Bucharest, 313 Splaiul Independentei, Bucharest, Romania
mircea.raceanu@icsi.ro

Elena Carcadea

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, Romania
elena.carcadea@icsi.ro

Mihai Varlam

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, Romania
mihai.varlam@icsi.ro

Danut Balan

Center for Surface Science and Nanotechnology, Politehnica University of Bucharest, 060042, Romania
dan.balan101@gmail.com

Daniela Ebrasu

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, Romania
Daniela.ebrasu@icsi.ro

Ioan Stefanescu

National RD Institute for Cryogenics and Isotopic Technologies-ICSI Rm. Valcea 4 Uzinei Street Rm Valcea, Romania
Ioan.stefanescu@icsi.ro

Marius Enachescu

Center for Surface Science and Nano Technology, Politehnica University of Bucharest, 060042, Romania
marius.enachescu@cssnt-upb.ro

1Corresponding author.

ASME doi:10.1115/1.4036684 History: Received October 30, 2016; Revised April 05, 2017

Abstract

We prepared iodine-doped graphenes by several techniques (electrophilic substitution and nucleophilic substitution methods) in order to incorporate iodine atoms onto the graphene base materials. The physical characterization of prepared samples was performed by using an array of different techniques, such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and electrochemical methods. A series of cathodes using I-doped graphene were prepared and evaluated. Electrochemical performances of the cathodes with and without I-doped graphene indicated an effective improvement, resulting a better mass transport in the catalyst layer.

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