Carbon nanotube containing polyacrylonitrile materials for the oxygen evolution reaction

Anna Katharina Beine; Cornelia Broicher; Qingtao Hu; Lisa Mayerl; Timo Bisswanger; Heinrich Hartmann; Astrid Besmehn; Stefan Palkovits; An-Hui Lu; Regina Palkovits

doi:10.1039/C8CY01999A

Carbon nanotube containing polyacrylonitrile materials for the oxygen evolution reaction†

Anna Katharina Beine,

^a Cornelia Broicher,^a Qingtao Hu,^b Lisa Mayerl,^a Timo Bisswanger,^c Heinrich Hartmann,^d Astrid Besmehn,

^d Stefan Palkovits,^a An-Hui Lu

^b and Regina Palkovits

*^a

Author affiliations

* Corresponding authors

^a Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
E-mail: Palkovits@itmc.rwth-aachen.de

^b State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P.R. China
E-mail: anhuilu@dlut.edu.cn

^c 2nd Institute of Physics A, RWTH Aachen University, Otto-Blumenthal-Str. 18, 52074 Aachen, Germany
E-mail: bisswanger@physik.rwth-aachen.de

^d Central Institute for Engineering, Electronics and Analytics (ZEA-3), Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428 Jülich, Germany
E-mail: he.hartmann@fz-juelich.de

Abstract

Composite materials of polyacrylonitrile and carbon nanotubes in varying amounts were synthesised as metal-free catalysts for the oxygen evolution reaction. For the best material possessing 12.8% CNT a low overpotential of 368 mV at 10 mA cm⁻² in 1 M KOH, high normalised activity and exchange current density were obtained. A good balance between conductivity and hydrophilicity proved essential for an efficient reaction.

Catalysis Science & Technology

Carbon nanotube containing polyacrylonitrile materials for the oxygen evolution reaction†

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