I-copper foil yinto encinci kakhulu yobhedu. Inokwahlulwa ngokwenkqubo ibe ziindidi ezimbini: i-rolled (RA) ifoyile yobhedu kunye ne-electrolytic (ED) yobhedu yobhedu. I-foil ye-Copper ine-conductivity egqwesileyo yombane kunye ne-thermal, kwaye inepropati yokukhusela iimpawu zombane kunye nemagnethi. Ifoyile yobhedu isetyenziswa ngobuninzi xa kusenziwa izinto zombane ezichanekileyo. Ngenkqubela phambili yokwenziwa kwanamhlanje, imfuno yeemveliso ze-elektroniki ezincinci, ezikhaphukhaphu, ezincinci kunye eziphathwayo zikhokelele kuluhlu olubanzi lwezicelo zefoyile yobhedu.
Ifoyile yobhedu eqengqelekayo ibizwa ngokuba yiRA yobhedu. Yimpahla yobhedu eyenziwa ngokujikeleza ngokomzimba. Ngenxa yenkqubo yokwenziwa kwayo, ifoyile yobhedu yeRA inesakhiwo esingqukuva ngaphakathi. Kwaye inokulungelelaniswa kumsindo othambileyo kunye nobunzima ngokusebenzisa inkqubo ye-annealing. I-RA yobhedu ye-foil isetyenziselwa ukuveliswa kweemveliso ze-elektroniki eziphezulu, ngakumbi ezo zifuna iqondo elithile lokuguquguquka kwizinto eziphathekayo.
Ifoyile yobhedu ye-Electrolytic ibizwa ngokuba yi-ED copper foil. Yimpahla yefoyile yobhedu eyenziwa yinkqubo yokubeka imichiza. Ngenxa yobume benkqubo yokuvelisa, i-copper ye-electrolytic foil inesakhiwo sekholomu ngaphakathi. Inkqubo yokuvelisa i-electrolytic copper foil ilula kwaye isetyenziswa kwiimveliso ezifuna inani elikhulu leenkqubo ezilula, ezifana neebhodi zeesekethe kunye ne-lithium battery negative electrode.
Ifoyile yobhedu yeRA kunye nefoyile yobhedu ye-electrolytic ineengenelo kunye nokungalunganga kwezi zinto zilandelayo:
I-RA ye-copper foil ihlambulukile ngokubhekiselele kumxholo wobhedu;
I-RA ye-copper foil inomsebenzi ongcono jikelele kune-foil yobhedu ye-electrolytic ngokweempawu zomzimba;
Kukho umahluko omncinci phakathi kweentlobo ezimbini zefoyile yobhedu ngokweempawu zeekhemikhali;
Ngokwendleko, i-ED yefoyile yobhedu kulula ukuyivelisa ngobuninzi ngenxa yenkqubo yayo yokwenziwa ilula kwaye ayibizi kakhulu kune-calendered copper foil.
Ngokuqhelekileyo, i-RA ye-copper foil isetyenziswe kwizigaba zokuqala zokwenziwa kwemveliso, kodwa njengoko inkqubo yokuvelisa ikhula ngakumbi, i-ED ye-copper foil iya kuthatha ukuze kuncitshiswe iindleko.
Ifoyile yobhedu inombane kunye ne-thermal conductivity elungileyo, kwaye ineempawu ezintle zokukhusela imiqondiso yombane kunye nemagnethi. Ke ngoko, ihlala isetyenziswa njengento ephakathi kumbane okanye i-thermal conduction kwiimveliso zombane kunye nezombane, okanye njengesixhobo sokukhusela ezinye izinto ze-elektroniki. Ngenxa yezinto ezibonakalayo kunye nezinto ezibonakalayo zobhedu kunye ne-alloys zethusi, nazo zisetyenziselwa ukuhlobisa izakhiwo kunye namanye amashishini.
Izinto ezikrwada zefoyile yobhedu lubhedu olusulungekileyo, kodwa izinto eziluhlaza zikwimeko ezahlukeneyo ngenxa yeenkqubo ezahlukeneyo zokuvelisa. Ifoyile yobhedu eqengqelekisiweyo ngokuqhelekileyo yenziwe kumaphepha obhedu e-electrolytic cathode anyibilikiswayo aze aqengqeleke; Ifoyile yobhedu ye-Electrolytic kufuneka ibeke imathiriyeli ekrwada kwisisombululo se-asidi ye-sulfuric ukuze inyibilike njengebhafu yobhedu, emva koko ityekele ngakumbi ekusebenziseni imathiriyeli ekrwada efana nokudutyulwa kobhedu okanye ucingo lobhedu ukunyibilika ngcono nge-asidi yesulfuric.
Iiyoni zobhedu zisebenza kakhulu emoyeni kwaye zinokusabela lula ngeeyoni zeoksijini ezisemoyeni zenze icopper oxide. Siphatha umphezulu we-copper foil kunye ne-anti-oxidation yegumbi lokushisa ngexesha lenkqubo yokuvelisa, kodwa oku kulibazisa kuphela ixesha apho i-foil yobhedu i-oxidation. Ngoko ke, kucetyiswa ukuba usebenzise i-foil yobhedu ngokukhawuleza emva kokukhupha. Kwaye gcina ifoyile yobhedu engasetyenziswanga kwindawo eyomileyo, engenakukhanya kude neegesi eziguqukayo. Ubushushu obucetyiswayo bokugcinwa kwefoyile yobhedu bumalunga nama-25 degrees celcius kwaye ukufuma akufuneki kudlule kwi-70%.
I-foil ye-Copper ayiyona nje into eqhubayo, kodwa kunye neyona nto ingabizi kakhulu kwimizi-mveliso ekhoyo. I-copper foil ine-conductivity engcono yombane kunye ne-thermal kunezixhobo eziqhelekileyo zetsimbi.
Iteyiphu ye-copper ye-copper iyaqhuba ngokubanzi kwicala lobhedu, kwaye icala lokuncamathela linokwenziwa liqhube ngokubeka umgubo wokuqhuba kwi-adhesive. Ke ngoko, kufuneka uqinisekise ukuba ufuna iteyiphu yefoyile yobhedu enecala elinye okanye icala eliphindwe kabini elinobhedu ngexesha lokuthenga.
I-foil yobhedu ene-oxidation encinci yendawo inokususwa ngesiponji sotywala. Ukuba i-oxidation ixesha elide okanye i-oxidation yendawo enkulu, kufuneka isuswe ngokucoca ngesisombululo se-sulfuric acid.
I-CIVEN Metal ine-tape ye-foil yobhedu ngokukodwa kwiglasi ecocekileyo ekulula kakhulu ukuyisebenzisa.
Kwithiyori, ewe; nangona kunjalo, ekubeni ukunyibilika kwezinto akwenziwanga kwindawo ye-vacuum kwaye abavelisi abahlukeneyo basebenzisa amaqondo okushisa ahlukeneyo kunye neenkqubo zokwenza, kudibaniswa nokwahlukana kweendawo zokuvelisa, kunokwenzeka ukuba izinto ezahlukeneyo zokulandelela zixutywe kwizinto eziphathekayo ngexesha lokwenza. Ngenxa yoko, nokuba ukubunjwa kwezinto kuyafana, kunokubakho ukungafani kombala kwizinto ezivela kubakhiqizi abahlukeneyo.
Ngamanye amaxesha, nakwizinto eziphezulu zokucoca ubhedu, umbala ongaphezulu wobhedu owenziwe ngabavelisi abahlukeneyo unokuhluka ebumnyameni. Abanye abantu bakholelwa ukuba iifoyile zethusi ezibomvu ezimnyama zinokucoceka okuphezulu. Nangona kunjalo, oku akuchanekanga ngokuqinisekileyo kuba, ukongeza kumxholo wobhedu, ukuguda komphezulu wefoyile yobhedu kunokubangela ukungafani kombala okubonwa liliso lomntu. Ngokomzekelo, i-foil yobhedu ene-high surface smoothness iya kuba ne-reflection engcono, okwenza umbala ongaphezulu ubonakale ulula, kwaye ngamanye amaxesha ube mhlophe. Enyanisweni, le yinto eqhelekileyo yefoyile yobhedu enobushelelezi obuhle, ebonisa ukuba umphezulu ugudile kwaye unoburhabaxa obuphantsi.
I-Electrolytic copper foil iveliswa kusetyenziswa indlela yeekhemikhali, ngoko ke indawo egqityiweyo yemveliso ayinayo ioli. Ngokwahlukileyo, i-foil yobhedu ejikeleziweyo iveliswa kusetyenziswa indlela yokugoqa ngokomzimba, kwaye ngexesha lokuvelisa, ioli yokuthambisa ngoomatshini ukusuka kwi-roller inokuhlala phezu komhlaba nangaphakathi kwimveliso egqityiweyo. Ngoko ke, ukucocwa komphezulu okulandelayo kunye neenkqubo zokuhlanjululwa ziyimfuneko ukususa iintsalela zeoli. Ukuba ezi ntsalela azisuswanga, zinokuchaphazela ukuxhathisa i-peel yomgangatho ogqityiweyo wemveliso. Ngokukodwa ngexesha lobushushu obuphezulu be-lamination, iintsalela zeoli zangaphakathi zinokungena phezulu.
Okukhona uphezulu ukuguda komphezulu wefoyile yobhedu, kokukhona imbonakalo iphezulu, enokubonakala imhlophe kwiliso lenyama. Ukugudiswa komphezulu okuphezulu kwakhona kuphucula ukuhanjiswa kombane kunye ne-thermal. Ukuba inkqubo yokugquma iyadingeka kamva, kuyacetyiswa ukuba ukhethe iingubo ezisekelwe emanzini kangangoko kunokwenzeka. Iingubo ezisekelwe kwi-oyile, ngenxa yesakhiwo esikhulu se-molecular surface, ziyakwazi ukukhupha.
Emva kwenkqubo ye-annealing, ukuguquguquka okupheleleyo kunye neplastiki yezinto ze-foil zethusi ziphuculwe, ngelixa ukuxhatshazwa kwayo kuncitshisiwe, ukwandisa umbane wayo. Nangona kunjalo, izinto ezifakwe kwi-annealed zichaphazeleka ngakumbi kwimikrwelo kunye nezibonda xa zidibana nezinto ezinzima. Ukongeza, ukungcangcazela okuncinci ngexesha lemveliso kunye nenkqubo yokuhambisa kunokubangela ukuba izinto ziphatheke kwaye zivelise i-embossing. Ke ngoko, ukhathalelo olongezelelweyo luyafuneka ngexesha lemveliso elandelayo kunye nokucubungula.
Ngenxa yokuba imigangatho yangoku yamazwe ngamazwe ayinazo iindlela zokuvavanya ezichanekileyo kunye ezifanayo kunye nemigangatho yezinto ezinobunzima obungaphantsi kwe-0.2mm, kunzima ukusebenzisa amaxabiso obunzima bendabuko ukuchaza i-soft or hard state of foil yobhedu. Ngenxa yale meko, iinkampani ezichubekileyo ezenza ifoyile yobhedu zisebenzisa amandla okuqina kunye nobude ukubonisa imeko ethambileyo okanye eqinileyo yemathiriyeli, kunokuba kuqikelelwe ngokwesiko kwamaxabiso.
I-Anealed Copper Foil (Isimo esithambileyo):
- Ubulukhuni obuphantsi kunye ne-ductility ephezulu: Kulula ukusetyenzwa kunye nefom.
- I-conductivity yombane engcono: Inkqubo yokucoca inciphisa imida yeenkozo kunye neziphene.
- Umgangatho olungileyo womphezulu: Ifanelekile njenge-substrate yeebhodi zesekethe eziprintiweyo (PCBs).
I-Semi-Hard Copper Foil:
- Ubulukhuni obuphakathi: Unesakhono sokugcina imilo.
- Ilungele izicelo ezifuna ukomelela nokomelela: Isetyenziswa kwiintlobo ezithile zamalungu e-elektroniki.
Ifoyile yobhedu elukhuni:
- Ubulukhuni obuphezulu: Ayikhubeki lula, ilungele usetyenziso olufuna imilinganiselo echanekileyo.
- I-ductility ephantsi: Ifuna ukhathalelo ngakumbi ngexesha lokucubungula.
Amandla okuqina kunye nokwandiswa kwe-foil yobhedu zizibonakaliso ezimbini ezibalulekileyo zokusebenza komzimba ezinobudlelwane obuthile kwaye zichaphazela ngokuthe ngqo umgangatho kunye nokuthembeka kwephepha lobhedu. Amandla okuqina abhekisa kwisakhono sefoyile yobhedu ukuxhathisa ukwaphuka phantsi kwamandla okuqina, ngokuqhelekileyo abonakaliswa kwi-megapascals (MPa). Ukwandiswa kubhekiselele kwisakhono semathiriyeli ukuba ingene kwi-deformation yeplastiki ngexesha lenkqubo yokwelula, echazwe njengepesenti.
Amandla okuqina kunye nokwandiswa kwefoyile yobhedu kuchatshazelwa bubukhulu kunye nobukhulu beenkozo. Ukuchaza esi siphumo sobungakanani, ubungakanani bobungakanani obungenamda bobukhulu bobungakanani benkozo (T / D) kufuneka lwaziswe njengeparamitha yokuthelekisa. Amandla okuqina ahluka ngokwahlukileyo phakathi kobungakanani bobukhulu bobunzima bobunzima boluhlu lweenkozo, ngelixa ubude buyancipha njengoko ubukhulu buyancipha xa ubungakanani bobungakanani bobunzima buguquka.