I-vet-china izibophelele ekuboneleleni ngezixhobo ezisebenzayo zeeseli zamafutha, ingakumbi i-proton exchange membrane (PEM) fuel cell membrane electrode assembly (MEA). Le ndibano yenziwe kusetyenziswa ubuchwepheshe obutsha ukuqinisekisa ukusebenza kakuhle kweenkqubo zeeseli zamafutha kwiimeko ezahlukeneyo zokusetyenziswa, ukusuka kumandla ezithuthi ukuya kwiinkqubo zamandla eziphathwayo.
Iinkcukacha zendibano ye-membrane electrode:
| Ubukhulu | 50 μm. |
| Ubungakanani | Iindawo ezisetyenziswayo eziphezulu ezingama-5 cm2, 16 cm2, 25 cm2, 50 cm2 okanye 100 cm2. |
| Ukulayisha kweCatalyst | I-Anode = 0.5 mg Pt/cm2. I-Cathode = 0.5 mg Pt/cm2. |
| Iintlobo zendibano ye-electrode ye-membrane | Ileya ezi-3, ileya ezi-5, ileya ezi-7 (ngoko ke ngaphambi kokuba u-odole, nceda ucacise ukuba zingaphi iileya ze-MEA ozikhethayo, kwaye unikeze nomzobo we-MEA). |
Ulwakhiwo oluphambili lwei-MEA yeseli yepetroli:
a) I-Proton Exchange Membrane (PEM): i-polymer membrane ekhethekileyo embindini.
b) IiLayers zeCatalyst: kumacala omabini e-membrane, zihlala zenziwe ngee-catalysts zesinyithi ezixabisekileyo.
c) IiLayers zeGesi eziSasazwayo (GDL): kumacala angaphandle eeLayers zeCatalyst, ezidla ngokwenziwa ngezinto zefayibha.
Umsebenzi wei-MEA yeseli yepetroli:
- Ukwahlula ii-reactants: kuthintela ukudibana ngqo phakathi kwe-hydrogen kunye ne-oxygen.
- Ukuqhuba iiprotoni: kuvumela iiprotoni (H+) ukuba zidlule ukusuka kwi-anode nge-membrane ziye kwi-cathode.
- Iimpendulo zokuCatalyzing: Ikhuthaza i-hydrogen oxidation kwi-anode kunye nokunciphisa i-oxygen kwi-cathode.
- Ukuvelisa umsinga: kuvelisa ukuhamba kwee-electron ngokusebenzisa ii-electrochemical reactions.
- Ukulawula amanzi: kugcina ulungelelwano olufanelekileyo lwamanzi ukuqinisekisa ukusabela okuqhubekayo.
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