Ceyhun Yıldırım

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Questions related from Ceyhun Yıldırım

How to prepare MEA for PEMFC via Magnetron Sputter coated gas diffusion layer?

We are studying on PEMFC electrocatalysts via magnetron sputter systems on carbon paper substrates. By this way we can perform CV and RDE experiments without using ionomer dispersion. Right now i...

22 March 2023 5,510 2 View

How can I remove dried/burnt grease from stainless steel?

There are some dirts on the inlets and outlets of our mass flow-meters. I guess they are burnt or dried grease. They had sticked on the materials and I try to clean them for clear gas flow. Do you...

02 November 2019 3,442 5 View

Why color of supported nickel particles change from black to white?

Yesterday I synthesized Al2O3-SiO2 supported nickel (maybe oxide) particles. The process is like that: -Nickel precursor: Nickel nitrate hexahydrate -Nickel nitrate aqueus stock solution were...

07 May 2019 7,284 6 View