I-Platinamu ne-Plated Anode

I-Platinum iyimpahla enhle kakhulu ye-anode yomhlatshelo ngenxa ye-conductivity yayo ephawulekayo kanye nokumelana nokugqwala. Kodwa-ke, izindleko zayo eziphezulu zikwenza kungenzeki ukusetshenziswa okuqondile ezinhlelweni eziningi zezimboni. Kunalokho, iplatinamu ivamise ukugqitshwa kwezinye izinsimbi ezifana ne-titanium, i-niobium, ne-tantalum, okuvumela izinzuzo zeplatinamu ngaphandle kwezindleko ezingavumelekile.

I-Platinum-Plated Anode Embonini

Ama-anode afakwe ngeplatinamu asetshenziswe embonini kusukela ngo-1922, ekuqaleni emkhakheni we-electrochemical. Izicelo zakuqala zasebenzisa i-platinum-plated tantalum ne-tungsten substrates, futhi kamuva, i-platinum-plated titanium yaba yinto evamile ngenxa yezindleko zayo eziphakeme nokusebenza kwayo.

• I-Platinized Niobium ne-Tantalum 

I-Niobium ne-tantalum zivame ukusetshenziswa njengama-substrates e-platinum plating. Isendlalelo seplatinamu sivumela izinto ezinhle kakhulu zikagesi zeplatinamu kuyilapho kunciphisa inani lensimbi eyigugu esetshenziswayo. Esikhathini esedlule, i-platinum-plated tantalum anode yayivamile, kodwa izindleko zayo eziphezulu zazilinganiselwe ukwamukelwa okubanzi uma kuqhathaniswa ne-platinum-plated titanium. Noma kunjalo, i-tantalum inikeza izinzuzo mayelana ne-conductivity kagesi kanye ne-voltage ephezulu kakhulu yokuphuka.

• I-Platinized Titanium

I-Titanium, nakuba isebenza kakhulu, ingakha ifilimu ye-oxide evikelayo lapho kukhona izixazululo ezine-chlorine. Lesi singqimba se-oxide sikhuphuka ngogqinsi phakathi kwebanga elithile le-voltage, kodwa uma liphuka, ukugqwala komgodi kungenzeka. I-Titanium’s ukumelana okuphezulu ngenxa yalesi singqimba se-oxide kuyenza ingalungeli ukusetshenziswa njengempahla ye-anode iyodwa. Nokho, lapho i-titanium igcwele iplatinum, ungqimba lweplatinamu luvikela i-titanium futhi luqinisekise ukusebenza kahle ngokuvimbela ukwakheka kwe-oxide. I-titanium eveziwe ngaphansi kwe-platinum enamathela ivikelwe ngempumelelo.

Ulwazi lokuxhumana:

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