Ifoyile yekopolo yinto yobhedu ebhityileyo kakhulu. Ingahlulwa ngokwenkqubo ibe ziintlobo ezimbini: ifoyile yekopolo eqengqiweyo (RA) kunye nefoyile yekopolo ye-electrolytic (ED). Ifoyile yekopolo inombane ohamba kakuhle kunye nobushushu, kwaye ineempawu zokukhusela imiqondiso yombane kunye nemagnethi. Ifoyile yekopolo isetyenziswa ngobuninzi ekwenzeni izinto ze-elektroniki ezichanekileyo. Ngokuhambela phambili kwemveliso yanamhlanje, imfuno yeemveliso ze-elektroniki ezincinci, ezikhaphukhaphu, ezincinci neziphathekayo ikhokelele kuluhlu olubanzi lwezicelo zefoyile yekopolo.
Ifoyile yekopolo eqengqiweyo ibizwa ngokuba yifoyile yekopolo yeRA. Yinto yobhedu eyenziwe ngokuqengqeleka ngokwasemzimbeni. Ngenxa yenkqubo yayo yokuvelisa, ifoyile yekopolo yeRA inesakhiwo esingqukuva ngaphakathi. Kwaye ingalungiswa ibe thambileyo kwaye ibe lukhuni ngokusebenzisa inkqubo yokuqhoboshela. Ifoyile yekopolo yeRA isetyenziswa ekwenzeni iimveliso ze-elektroniki eziphezulu, ingakumbi ezo zifuna ukuguquguquka okuthile kwizinto.
Ifoyile yekopolo ye-electrolytic ibizwa ngokuba yifoyile yekopolo ye-ED. Yinto eyenziwe ngefoyile yekopolo eyenziwe ngenkqubo yokubeka iikhemikhali. Ngenxa yobume benkqubo yemveliso, ifoyile yekopolo ye-electrolytic inesakhiwo sekholamu ngaphakathi. Inkqubo yemveliso yefoyile yekopolo ye-electrolytic ilula kwaye isetyenziswa kwiimveliso ezifuna inani elikhulu leenkqubo ezilula, ezifana neebhodi zesekethe kunye nee-electrode ze-lithium battery negative.
I-RA copper foil kunye ne-electrolytic copper foil zinezibonelelo kunye neengxaki zazo kwezi zinto zilandelayo:
I-RA copper foil icocekile ngakumbi xa kuthelekiswa nomxholo wecopper;
I-RA copper foil isebenza ngcono kakhulu kune-electrolytic copper foil ngokweempawu zomzimba;
Akukho mahluko mkhulu phakathi kweentlobo ezimbini zefoyile yobhedu ngokweempawu zeekhemikhali;
Ngokuphathelele ixabiso, i-ED copper foil kulula ukuyivelisa ngobuninzi ngenxa yenkqubo yayo yokuvelisa elula kwaye ibiza kancinci kune-calendered copper foil.
Ngokubanzi, i-RA copper foil isetyenziswa kwizigaba zokuqala zokwenza imveliso, kodwa njengoko inkqubo yokuvelisa ikhula ngakumbi, i-ED copper foil iya kuthatha indawo ukuze kuncitshiswe iindleko.
Ifoyile yekopolo ine-conductivity elungileyo yombane kunye nobushushu, kwaye ikwanazo neempawu ezilungileyo zokukhusela imiqondiso yombane kunye nemagnethi. Ke ngoko, isetyenziswa rhoqo njengendlela yokudlulisa umbane okanye ubushushu kwiimveliso ze-elektroniki kunye nombane, okanye njengezinto zokukhusela ezinye izinto ze-elektroniki. Ngenxa yeempawu ezibonakalayo nezibonakalayo ze-alloys zekopolo kunye nobhedu, zikwasetyenziswa ekuhombiseni izakhiwo nakwezinye iindawo zoshishino.
Izinto ezisetyenziswa kwi-copper foil yi-copper ecocekileyo, kodwa izinto ezisetyenziswayo zikwimeko ezahlukeneyo ngenxa yeenkqubo ezahlukeneyo zemveliso. I-copper foil eqengqiweyo ngokubanzi yenziwa ngamaphepha e-electrolytic cathode copper anyibilikiswa aze aqengqwe; I-electrolytic copper foil kufuneka ifake izinto ezisetyenziswayo kwisisombululo se-sulfuric acid ukuze inyibilike njenge-copper-bath, emva koko ithambekele ekusebenziseni izinto ezisetyenziswayo ezifana ne-copper shot okanye i-copper wire ukuze inyibilike ngcono nge-sulfuric acid.
Ii-ion zeCopper zisebenza kakhulu emoyeni kwaye zinokusabela ngokulula ngee-ion ze-oxygen emoyeni ukuze zenze i-copper oxide. Siphatha umphezulu we-copper foil nge-anti-oxidation yobushushu begumbi ngexesha lenkqubo yemveliso, kodwa oku kulibazisa kuphela ixesha apho i-copper foil i-oxidation. Ke ngoko, kuyacetyiswa ukusebenzisa i-copper foil ngokukhawuleza emva kokukhupha. Kwaye gcina i-copper foil engasetyenziswanga kwindawo eyomileyo, engangenisi ukukhanya kude neegesi eziguquguqukayo. Ubushushu obucetyiswayo bokugcina i-copper foil bumalunga nama-25 degrees Celsius kwaye ukufuma akufuneki kudlule kuma-70%.
Ifoyile yekopolo ayisiyonto yokuhambisa umbane kuphela, kodwa ikwayeyona nto ingabizi kakhulu kwimizi-mveliso ekhoyo. Ifoyile yekopolo inombane kunye nobushushu obungcono kunezixhobo zesinyithi eziqhelekileyo.
Iteyiphu yefoyile yekopolo idla ngokuba yiconductor kwicala lekopolo, kwaye icala le-adhesive linokwenziwa libe yiconductor ngokubeka umgubo weconductor kwi-adhesive. Ke ngoko, kufuneka uqinisekise ukuba ufuna iteyiphu yefoyile yekopolo econductor kwicala elinye okanye iteyiphu yefoyile yekopolo econductor kwicala elinye ngexesha lokuthenga.
Ifoyile yekopolo ene-oxidation encinci kumphezulu ingasuswa ngesiponji sealcohol. Ukuba yi-oxidation yexesha elide okanye yi-oxidation enkulu, kufuneka isuswe ngokucocwa ngesisombululo se-sulfuric acid.
I-CIVEN Metal ineteyiphu yefoyile yobhedu eyenzelwe ngokukodwa iglasi enemibala elula kakhulu ukuyisebenzisa.
Ngokwethiyori, ewe; nangona kunjalo, ekubeni ukunyibilika kwezinto kungenziwa kwindawo engenamoya kwaye abavelisi abahlukeneyo basebenzisa amaqondo obushushu ahlukeneyo kunye neenkqubo zokwenza, kudityaniswe nomahluko kwiindawo zemveliso, kunokwenzeka ukuba izinto ezahlukeneyo ezilandelelanayo zidityaniswe kwizinto ngexesha lokwenziwa. Ngenxa yoko, nokuba ukwakheka kwezinto kuyafana, kunokubakho umahluko wemibala kwizinto ezivela kubavelisi abahlukeneyo.
Ngamanye amaxesha, nokuba zizinto ezicocekileyo kakhulu zefoyile yobhedu, umbala womphezulu weefoyile zobhedu eziveliswa ngabavelisi abahlukeneyo unokwahluka ebumnyameni. Abanye abantu bakholelwa ukuba iifoyile zobhedu ezibomvu ezimnyama zinobunyulu obuphezulu. Nangona kunjalo, oku akuchanekanga kuba, ukongeza kumxholo wobhedu, ubunyulu bomphezulu wefoyile yobhedu bunokubangela umahluko wombala obonwa liliso lomntu. Umzekelo, ifoyile yobhedu enobunyulu obuphezulu bomphezulu iya kuba nokukhanya okungcono, okwenza umbala womphezulu ubonakale ulula, kwaye ngamanye amaxesha ude ube mhlophe. Enyanisweni, le yinto eqhelekileyo kwifoyile yobhedu enobunyulu obuhle, ebonisa ukuba umphezulu uthambile kwaye unoburhabaxa obuphantsi.
Ifoyile yobhedu ye-electrolytic iveliswa kusetyenziswa indlela yeekhemikhali, ngoko ke umphezulu wemveliso ogqityiweyo awunaoyile. Ngokwahlukileyo koko, ifoyile yobhedu eqengqiweyo iveliswa kusetyenziswa indlela yokuqengqeleka ngokwasemzimbeni, kwaye ngexesha lokuveliswa, ioyile yokuthambisa ngoomatshini evela kwiirola ingahlala kumphezulu nangaphakathi kwemveliso egqityiweyo. Ke ngoko, iinkqubo ezilandelayo zokucoca umphezulu kunye nokususa amafutha ziyafuneka ukuze kususwe iintsalela zeoyile. Ukuba ezi ntsalela azisuswanga, zinokuchaphazela ukumelana kwamaxolo komphezulu wemveliso egqityiweyo. Ingakumbi ngexesha lokulamina kobushushu obuphezulu, iintsalela zeoyile zangaphakathi zinokungena kumphezulu.
Okukhona umphezulu we-copper foil uthambile, kokukhona ubushushu bubonakala buphezulu, nto leyo enokubonakala imhlophe emehlweni. Ubushushu obuphezulu bomphezulu bukwaphucula kancinci umbane kunye nobushushu bezinto ezisetyenzisiweyo. Ukuba inkqubo yokugquma iyadingeka kamva, kuyacetyiswa ukuba ukhethe uboya obusekelwe emanzini kangangoko kunokwenzeka. Uboya obusekelwe kwioyile, ngenxa yesakhiwo sazo esikhulu semolekyuli, bunokwaphuka lula.
Emva kwenkqubo yokuqhoboshela, ukuguquguquka kunye nokuqina kwezinto ze-copper foil kuyaphucuka, ngelixa ukumelana kwazo kuncitshiswa, okwandisa ukuhanjiswa kwazo kombane. Nangona kunjalo, izinto eziqhoboshelweyo zisengozini enkulu yokukrweleka kunye nokuqhekeka xa zidibana nezinto eziqinileyo. Ukongeza, ukungcangcazela okuncinci ngexesha lenkqubo yokuvelisa kunye nokuhambisa kunokubangela ukuba izinto zijike kwaye zivelise i-embossing. Ke ngoko, kufuneka unonophelo olongezelelweyo ngexesha lokuvelisa kunye nokucubungula okulandelayo.
Ngenxa yokuba imigangatho yangoku yamazwe ngamazwe ayinazo iindlela zokuvavanya ezichanekileyo nezifanayo kunye nemigangatho yezixhobo ezinobukhulu obungaphantsi kwe-0.2mm, kunzima ukusebenzisa amaxabiso obulukhuni bendabuko ukuchaza imeko ethambileyo okanye eqinileyo yefoyile yobhedu. Ngenxa yesi simo, iinkampani zobuchwephesha zokwenza ifoyile yobhedu zisebenzisa amandla okutsalwa kunye nobude ukubonisa imeko ethambileyo okanye eqinileyo yento, endaweni yamaxabiso obulukhuni bendabuko.
Ifoyile yeCopper eqhotyoshelweyo (Imeko ethambileyo):
- Ubulukhuni obuphantsi kunye nokuqina okuphezulu: Kulula ukuyicubungula nokuyibumba.
- Ukuqhuba kombane okungcono: Inkqubo yokuqhoboshela inciphisa imida yeenkozo kunye neziphene.
- Umgangatho olungileyo womphezulu: Ifanelekile njengesiseko sebhodi zesekethe eziprintiweyo (ii-PCB).
Ifoyile yeCopper eQonda Kancinci:
- Ubulukhuni obuphakathi: Inamandla okugcina iimilo.
- Ifanelekile kwizicelo ezifuna amandla kunye nokuqina: Isetyenziswa kwiintlobo ezithile zezinto ze-elektroniki.
Ifoyile yeCopper Eqinileyo:
- Ubulukhuni obuphezulu: Ayiguquguquki lula, ifanelekile kwizicelo ezifuna ubungakanani obuchanekileyo.
- Ukuguquguquka okuphantsi: Ifuna unonophelo olungakumbi ngexesha lokucubungula.
Amandla okutsalwa kunye nokwandiswa kwefoyile yobhedu ziimpawu ezimbini ezibalulekileyo zokusebenza ngokomzimba ezinobudlelwane obuthile kwaye zichaphazela ngokuthe ngqo umgangatho kunye nokuthembeka kwefoyile yobhedu. Amandla okutsalwa abhekisa kubuchule befoyile yobhedu bokumelana nokuqhekeka phantsi kwamandla okutsalwa, adla ngokubonakaliswa kwi-megapascals (MPa). Ukwandiswa kubhekisa kubuchule bezinto zokwenziwa ukuba zitshintshe iplastiki ngexesha lenkqubo yokutsalwa, okubonakaliswa njengepesenti.
Amandla okutsalwa kunye nokwandiswa kwefoyile yobhedu kuphenjelelwa bubukhulu kunye nobukhulu bengqolowa. Ukuchaza le mpembelelo yobungakanani, umlinganiselo wobukhulu bobukhulu obungenamilinganiselo (T/D) kufuneka ungeniswe njengepharamitha yokuthelekisa. Amandla okutsalwa ahluka ngokwahlukileyo kumanqanaba ahlukeneyo omlinganiselo wobukhulu bobukhulu, ngelixa ukutsalwa kuncipha njengoko ubukhulu buncipha xa umlinganiselo wobukhulu bobukhulu bobukhulu buhlala uhleli.