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

V. D. Eroshenko; Ерошенко В. Д.; V. E. Andreeva; Андреева В. Е.; D. V. Tokarev; Токарев Д. В.; O. A. Medennikov; Меденников О. А.; V. A. Klushin; Клушин В. А.; L. N. Fesenko; Фесенко Л. Н.; N. V. Smirnova; Смирнова Н. В.

doi:10.31857/S0424857023120058

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

Autores: Eroshenko V.D.¹, Andreeva V.E.², Tokarev D.V.², Medennikov O.A.², Klushin V.A.², Fesenko L.N.², Smirnova N.V.²
Afiliações:
1. "GrafitEl - Moscow Electrode Plant"
2. Platov South-Russian State Polytechnic University (NPI)
Edição: Volume 59, Nº 12 (2023)
Páginas: 798-806
Seção: Articles
URL: https://journals.eco-vector.com/0424-8570/article/view/671820
DOI: https://doi.org/10.31857/S0424857023120058
EDN: https://elibrary.ru/QGKMDP
ID: 671820

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Resumo

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.

Palavras-chave

fuel cell, bipolar plate, electrically conductive composite material, thermally expanded graphite

Bibliografia

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