I-GDE isifinyezo se-electrode yokusabalalisa igesi, okusho ukuthi i-electrode yokusabalalisa igesi. Enqubweni yokukhiqiza, i-catalyst imbozwa ongqimbeni lwegesi lokusabalalisa njengomzimba osekelayo, bese i-GDE ishisa icindezelwe nhlangothi zombili zolwelwesi lwe-proton ngendlela yokucindezela okushisayo ukuze yakhe i-electrode yolwelwesi.
Le ndlela ilula futhi ivuthiwe, kodwa inezinkinga ezimbili. Okokuqala, ungqimba olulungisiwe lwe-catalytic lushubile, ludinga umthwalo we-Pt ophakeme, futhi izinga lokusebenzisa i-catalyst liphansi. Okwesibili, ukuthintana phakathi kwesendlalelo se-catalytic kanye ne-proton membrane akusondelene kakhulu, okuholela ekwandeni kokumelana nesixhumi esibonakalayo, futhi ukusebenza okuphelele kwe-electrode ye-membrane akuphakeme. Ngakho-ke, i-electrode ye-membrane ye-GDE isusiwe ngokuyisisekelo.
Umgomo wokusebenza:
Okubizwa ngokuthi ungqimba lokusabalalisa igesi lutholakala phakathi kwe-electrode. Ngokucindezela okuncane kakhulu, ama-electrolyte ayasuswa kulesi simiso se-porous. Ukugeleza okuncane. ukumelana kuqinisekisa ukuthi igesi ingageleza ngokukhululekile ngaphakathi kwe-electrode. Ngomfutho womoya ophakeme kancane, ama-electrolyte ohlelweni lwezimbotshana avalelwe ungqimba olusebenzayo. Ungqimba olungaphezulu ngokwalo lunezimbobo ezinhle kangangokuthi igesi ayikwazi ukugeleza kuma-electrode iye ku-electrolyte, ngisho nangaphansi kokucindezela okukhulu. Le electrode yenziwa ngokuhlakazeka kanye nokucupha okulandelayo noma ukucindezela okushisayo. Ukuze kukhiqizwe ama-electrode ama-multilayer, izinto ezisanhlamvu ezinhle zihlakazwa esikhunjeni futhi zibushelelezi. Khona-ke, ezinye izinto zisetshenziswa ezingqimbeni eziningi futhi ingcindezi isetshenziswa.
Isikhathi sokuthumela: Feb-27-2023