Dear friend Kerrouche Fadoua

Carbon felt is commonly used as electrodes due to their good electronic conduction (What is carbon felt electrode....). You can find carbon felt electrodes for your research at scientific supply companies such as Sigma-Aldrich (Graphene coated carbon felt....). I hope this helps!

Source:

(1) Carbon felt based-electrodes for energy and ... - ScienceDirect. https://www.sciencedirect.com/science/article/pii/S0008622317306577.

(2) What is carbon felt electrode? - Studybuff. https://studybuff.com/what-is-carbon-felt-electrode/.

(3) Compressed composite carbon felt as a negative electrode for a zinc .... https://www.nature.com/articles/s41598-022-25763-5.

(4) Graphene coated carbon felt as a high-performance electrode for all .... https://www.sciencedirect.com/science/article/pii/S0257897218312349.