COMPOSITE MATERIALS BASED ON THERMALLY EXPANDED GRAPHITE FOR BIPOLAR PLATES OF FUEL CELLS

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Abstract

Composite materials based on a thermosetting binder and thermally expanded graphite with a filler content of 50-70% were obtained by hot pressing. The influence of the method of introducing the filler into the composite on its physical, mechanical and electrochemical characteristics has been studied. Materials obtained by mixing air-dry components are characterized by high electrical conductivity (up to 195 S/cm) and strength properties (more than 25 MPa), low interfacial contact resistance (less than 10 mΩ cm2) and a corrosion current not exceeding 1 μA/cm2, which will allow ensure high efficiency of energy conversion in PEM FC.

About the authors

V. D. Eroshenko

"GrafitEl - Moscow Electrode Plant"

Email: viktor.eroshenko.89@mail.ru
Russia, 111123, Moscow, 31 building 2, Entouziastov Chosse

V. E. Andreeva

Platov South-Russian State Polytechnic University (NPI)

Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

D. V. Tokarev

Platov South-Russian State Polytechnic University (NPI)

Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

O. A. Medennikov

Platov South-Russian State Polytechnic University (NPI)

Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

V. A. Klushin

Platov South-Russian State Polytechnic University (NPI)

Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

L. N. Fesenko

Platov South-Russian State Polytechnic University (NPI)

Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

N. V. Smirnova

Platov South-Russian State Polytechnic University (NPI)

Author for correspondence.
Email: smirnova_nv@mail.ru
Russia, 346428, Novocherkassk, 132 Prosveschenina st.

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Copyright (c) 2023 В.Д. Ерошенко, В.Е. Андреева, Д.В. Токарев, О.А. Меденников, В.А. Клушин, Л.Н. Фесенко, Н.В. Смирнова

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