Ibanga Lebhethri ne-Carbon Coated Aluminium Foil: Umhlahlandlela Wezobuchwepheshe
I-aluminium foil yebhethri ingumqoqi wamanje we-cathode kuseli ye-lithium-ion - i-substrate yensimbi into esebenzayo ye-cathode embozwe phezu kwayo., futhi lokho kuthwala okwamanje ku-electrode. Ayinayo indima ye-electrochemical. Ayiwagcini amandla. Futhi ngokunembile ngoba kunjalo “ongenayo”, kulula ukukucacisa kancane.
Lokho kuyiphutha. I-foil yamanje yokuqoqa ithinta ukumelana nobuso obuhlangene, ukunamathela enamathela, izinga lokukwazi, impilo yomjikelezo, kanye nezinga le-scrap emgqeni wokumboza okungenzeka ukuthi usebenza kumashumi amamitha ngomzuzu. Ukuyilungisa kuyabiza ngendlela okunzima ukuyilandelela emuva ku-foil.
Lo mhlahlandlela uhlanganisa ukukhetha kwe-alloy, into yokulinganisa, inhliziyo, icala lokwemboza i-carbon, kanye namapharamitha okufanele abekwe esimisweni.
Kungani i-aluminium ye-cathode nethusi ye-anode
Iphuzu lokuqala eliwusizo, ngoba ichaza iningi lomqondo wokuklama:
| Cathode umqoqi wamanje | Umqoqi wamanje we-Anode | |
| Okubalulekile | I-aluminium foil | I-copper foil |
| Ngobani | I-Aluminium yakha isitebele, i-passivating oxide layer emandleni we-cathode, futhi ilula futhi ishibhile | Ithusi lizinzile lapho liphansi (i-anode) amandla kodwa ingaba ingxubevange ne-lithium |
| Ukuminyana | 2.7 g/cm³ | 8.96 g/cm³ |
I-aluminium isetshenziswa ku-cathode ngoba ithusi lingakhipha i-oxidise kuma-cathode voltages, kanye ne-aluminium ngoba ithusi lingaba nzima kakhulu. Uma ufuna iseli ye-sodium-ion, Qaphela ukuthi kokubili ama-electrode angasebenzisa ucwecwe lwe-aluminium - isodium ayihlanganisi ne-aluminium ngendlela i-lithium eyenza ngayo. Lesi ngesinye sezizathu i-sodium-ion ekhangayo ezindlekweni, futhi ingumthombo okhulayo wesidingo sefoil yebhethri.
Ukukhetha i-alloy eyisisekelo
I-foil yebhethri isebenzisa uchungechunge lwe-1xxx - i-aluminium emsulwa yezentengiso - ngoba ukuqhutshwa nokuhlanzeka kubaluleke ngaphezu kwamandla.
| Ingxubevange | Ukusetshenziswa okuvamile | Amanothi |
| 1235 | Ingxubevange ye-foil yebhethri evamile | ≥99.35% Al. Ibhalansi enhle ye-conductivity nezindleko |
| 1060 | Kusetshenziswa kabanzi, ubumsulwa obuphakeme kancane | ≥99.60% Al |
| 1070 | Izidingo zokuhlanzeka okuphezulu | ≥99.70% Al |
| 1050 | Isetshenziswa kwelinye ibhethri nefoil ye-elekthronikhi | ≥99.50% Al |
| 1100 | Kukhethwe lapho kudingeka khona amandla aphezulu kancane | Iqukethe i-Cu encane |
Ukuhlanzeka okukaliwe ezintweni zokukhiqiza kuvame ukuhamba ngaphezu kobuncane bokucaciswa — ukucaciswa okungu-≥99.0% kuvame ukulinganisa ≥99.5% ekusebenzeni.
Iseluleko esiwusizo: ungacacisi ngokweqile ukuhlanzeka ngaphandle uma i-electrode chemistry yakho idinga. Isinyathelo ngasinye sokuhlanzeka sibiza imali, futhi 1235 iphatha iningi lemikhiqizo ye-cathode yokuhweba.
Into yokulinganisa: imephu yomgwaqo, kanye nengcindezi yokuba mncane
Icwecwe elincanyana lisho isisindo esincane esingasebenzi kuseli, okusho ukuthi amandla aphezulu aphezulu. Imboni yonke iya phansi.
| Ubukhulu | Isikhundla |
| 20 μm | Izinga elidala, isasetshenziswa lapho ukuphatha amandla kubalulekile |
| 18 μm | I-Conservative, ukuzinza okuhle kwenqubo |
| 16 μm | Okujwayelekile ekukhiqizeni umthamo |
| 15 μm | Okujwayelekile kokuminyana kwamandla okuphezulu |
| 13 μm | Okujwayelekile kwamanje kwamaseli anamandla amakhulu |
| 12 μm | Amaseli anamandla amakhulu, ukulawulwa kwenqubo ngenkani |
| 10 μm nangezansi | I-Frontier, ukunikezwa okulinganiselwe |
Okwamaseli anamandla amakhulu, 12-15 m ukukhethwa okuvamile. Okwezinhlelo zokusebenza lapho ukuzinza komugqa wokuhlanganisa namandla okubamba kubaluleke ngaphezu kwamaphesenti ambalwa wokugcina wokuminyana kwamandla, 18-20 μm inikeza umkhawulo ongcono wenqubo kanye nezinsimbi eziphansi.
Ukuhwebelana kuyiqiniso: njengoba ucwecwe luba mncane luyashwabana futhi lunwebeke kalula ngesivinini esikhulu, iqhekeka kalula ekugobeni, futhi ifuna ukulawula okuqinile kwegeji emshinini wokugaya. Uma umugqa wakho wokumboza ungalungiswanga kahle, ukusuka 16 μm kwe 13 u-μm angakubiza nge-scrap ngaphezulu kunenzuzo ekuminyana kwamandla.
I-Temper and mechanical properties
I-foil yebhethri kufanele ibhalansise izindlela ezimbili zokuhluleka. Ithambile kakhulu futhi iyashwabana noma iyanwebeka ngesikhathi sokumboza ngesivinini esikhulu nokusonteka. Iqine kakhulu futhi iqhekeka emagopheni futhi kunzima ukuyivunguza.
| Ulaka | Amandla okuqina ajwayelekile | Ubude obujwayelekile | Ukusetshenziswa okuvamile |
| O (-bothalekiwe) | 60- 100 MPa | 3-15% | Izicelo ezidinga i-ductility nokwenza uzinzo |
| H18 (egcwele kanzima) | 120- 170 MPa | 1-4% | I-foil ephezulu yamandla emigqa yenqubo elawulwayo |
| H19 | 140- 190 MPa | 1-3% | Izidingo zokuqina eziphakeme |
Ucwecwe lwebhethri oluningi luhlinzekwa nge-H18. Amanani angempela ancike kungxubevange, into yokulinganisa, izimo zokuncishiswa kwe-rolling kanye ne-annealing - vumelana ngobubanzi bezakhiwo zikamshini ngokwenkontileka futhi idinga ukuthi kubikwe esitifiketini sokuhlolwa kwempahla yendawo ngayinye yokukhiqiza.
Amanani ayizethenjwa ajwayelekile omkhiqizo oboshiwe: amandla okubamba ≥180 MPa, elongation >1.5%.
I-Plain foil vs i-carbon-coated foil
Lesi yisinqumo esibaluleke kakhulu kulo mhlahlandlela, ngakho-ke kufanelekile ukunemba.
Inkinga ye-carbon coating iyaxazulula
Lapho i-cathode slurry imbozwe ngokuqondile kucwecwe lwe-aluminium olungenalutho, izinto ezintathu ziyakusebenzela:
- Xhumana nokumelana. Izinto ezisebenzayo zithinta insimbi kuphela ezindaweni ezihlukene. Ukumelana nokuxhumana kobuso kuphezulu, okulimaza ikhono lesilinganiso futhi kukhiqize ukushisa kwe-ohmic.
- Ukunamathela. Ukunamathela okulushelelezi ensimbi ebushelelezi kubuthakathaka kunemaholoholo, ungqimba lwekhabhoni olusezingeni eliphezulu. Ukunamathelisa kahle kusho ukuncipha ngesikhathi sokubhala ikhalenda nokuhamba ngebhayisikili.
- Ukugqwala. Indawo ye-aluminium ingagqwala lapho ihlangana ne-electrolyte ngokuhamba kwesikhathi eside, ikakhulukazi kuma-voltage aphezulu kanye nakumakhemistri athile.
Okwenziwa ungqimba lwekhabhoni
I-sub-micron conductive carbon layer — ngokuvamile i-carbon black, i-graphite, i-graphene noma inhlanganisela, isetshenziswa nge-binder - isebenza njengebhuloho elisebenzayo phakathi kwensimbi nezinto ezisebenzayo:
- Yandisa indawo yokuxhumana esebenzayo, ukwehlisa ukumelana nokuxhumana kobuso
- Ithuthukisa ukunamathela kwe-electrode, ukunciphisa i-delamination
- Ivikela i-aluminium ekugxumeni kwe-oxidation kanye nokugqwala kwe-electrolyte
- Ithuthukisa amandla wesilinganiso nokuzinza komjikelezo
- Ithuthukisa ukumanzisa kwe-electrolyte ngesikhathi sokugcwalisa
Isengezo esincane ngokwemibandela yobuningi futhi enkulu ngokwemibandela yokusebenza.
Imininingwane ye-Carbon coated
| Ipharamitha | Isidingo esijwayelekile |
| Ingxube ye-foil eyisisekelo | 1050, 1060, 1100, 1235 |
| Isisekelo se-foil ukujiya | 12-20 μm (9-30 μm etholakalayo) |
| Ukugqoka izinhlangothi | Uhlangothi olulodwa noma olukabili |
| Ugqinsi lwesendlalelo sekhabhoni | ≥1 μm ohlangothini ngalunye (0.5-2 μm ububanzi, ngokwezifiso) |
| Ukumelana nobuso | ≤5 mΩ (impahla yokukhiqiza ivamise ukukala u-1–2 mΩ) |
| Ingcindezi yokumanzisa ebusweni | ≥30 i-dyne ye-foil engenalutho; ≥40–50 i-dyne ye-carbon-coated |
| I-coating adhesion | Akukho delamination ngemva 3M tape ukudonsa |
| Ukumelana ne-solvent | >200 imijikelezo ye-cotton-swab ngaphandle kokudalula i-foil |
| Ukucwiliswa kwe-Electrolyte | Akukho delamination ngemva 24 h |
| Imajini yomkhawulo (-ngahlangene) | Okujwayelekile 15 ± 1 mm |
| Ukuminyana kwe-areal (16 μm, emboziwe) | ~ 42 g/m² |
| Ukuhambisana nokomisa | Vacuum yomisa kuze kube 150 °C |
Uhlangothi olulodwa noma olukabili? Qondanisa nokucushwa kwe-electrode coating yakho. Ukufakwa kwekhabhoni okuseceleni okukabili kunikeza ukumelana okuphansi kobuso kanye nokusebenza okungcono kwezinga eliphezulu, futhi ijwayelekile kumaseli amandla namaseli ezikhwama. Uhlangothi olulodwa ngokuvamile lwanele futhi lushibhile kumaseli wamandla noma lapho ubuso obubodwa kuphela obuthola izinto ezisebenzayo.
Ububanzi be-coating ifaniswe nokufa kwakho - ububanzi obuvamile buhlanganisa 170 mm, 230 mm, 260 mm futhi 280 mm, ngemajini engavaliwe yokushisela ithebhu.
Isimonyana sekhwalithi: lapho izinkinga eziningi ziqala khona
Isimo esingaphezulu sinomthelela oqondile ekuhlanganisweni kwe-slurry. Ukungcola, amafutha okugoqa ngokweqile, ukuklubula, amazinyo, imifantu yonqenqema noma ukuhwalala okungalingani konke kuhumusheka ekubeni amaphutha okunamathela kanye ne-electrode enqatshiwe.
Izidingo zokucacisa:
- Hlanza indawo nge uwoyela oginqikayo olawulwayo - lokhu kubalulekile. Uwoyela oyinsalela wehlisa ukumanzisa kwe-slurry futhi udala ukonakala kokunamathela
- Akukho ukugqwala okubonakalayo, i-oxidation staining, imigqa emnyama noma ukufakwa kwamanye amazwe
- Akukho ukugoqa, imihuzuko enzima, igagasi lomphetho, i-telescoping noma ukuphenduka okuxekethile
- Ubulukhuni obulawulwayo ifaniswe nenqubo yakho yokugqoka
- Ukucaba okuzinzile ukusekela ukunamathela okufanayo nokomisa
- Sika imiphetho nge-burr ekhawulelwe futhi akukho ukuqhekeka konqenqema okuqhubekayo
Uma wethula ukwakheka okusha kwe-electrode, sebenzisa amakhoyili okuhlola ngaphambi kokukhiqiza ngobuningi. Ukuziphatha kokumboza kuncike ekusebenzisaneni phakathi kwezinto zakho ezisebenzayo, isibopho, i-solvent, isisindo sokugqoka kanye nezimo zekhalenda - i-foil iwushintsho olulodwa kuleso simiso, futhi okuwukuphela kwendlela yokwazi ukuyihlola.
Ukuhlola nokulawula izinga
Izigayo ezinedumela elihle zihlola kuwo wonke ukukhiqizwa esikhundleni sokuthatha amasampula kuphela ekugcineni. Izinto zokuhlola ezijwayelekile:
| Into yendaba | Okuhlosiwe |
| Ukwakheka kwamakhemikhali | Iqinisekisa ukuthobela ingxubevange |
| Isilinganiso sobukhulu | Iqinisekisa ukunemba kwegeji nokufana |
| Isilinganiso sobubanzi | Iqinisekisa ukubekezelela imisila |
| Amandla aqinile kanye nobude | Iqinisekisa ulaka nokuzinza kwemishini |
| Ukuhlolwa kwendawo | Ukuklubula, amabala, amamaki amafutha, ukufakwa |
| Ukuhlolwa kwe-Pinhole | Ifanele ukusetshenziswa kwegeji elincane |
| Ikhwalithi yomphetho | Ama-burrs, imifantu, amaphutha wokunquma |
| Isimo sekhoyili | I-Telescoping, ukugoqa okuxekethile, ukuqondanisa komphetho |
Cela I izitifiketi zokuhlaziya, amalebula ikhoyili, izinhlu zokupakisha namarekhodi okuhlola njengokulethwa kwenkontileka. Ukufana kwe-gauge kububanzi bekhoyili nobude yikho okunciphisa ukuhluka kwesisindo sakho sokumboza kanye nezinga lokwenqatshwa kwe-electrode - lena ipharamitha okufanele siphikisane ngayo.
Ukupakisha nokugcina
Ucwecwe lwebhethri luyazwela kumswakama, uthuli, ukulimala komshini kanye nokungcoliswa kwendawo.
- Amakhoyili kufanele apakishwe ngokugoqa okuyisivikelo, impahla ukumelana nomswakama, ukuvikela emaphethelweni, kanye namaphalethi noma amakesi okhuni asezingeni lokuthekelisa
- Gcina ku-a ihlanzekile, ishede elomile, kude namakhemikhali abolayo, ukujiya kanye nokuxhumana okuqondile phansi
- Hlala uvaliwe kuze kusetshenziswe - i-oxidation yendawo kanye nokukhanyiswa komswakama kwehlisa ukusebenza kokunamathela
- Hlonipha kuqala ukungena, ukuzungeza kokuqala
Uhlu lokuhlola lwe-RFQ
Isicelo esithi “ucwecwe lwebhethri 13 μm” ngeke ikutholele isisho esiwusizo. Faka:
- Ingxubevange yesisekelo - isib. 1235
- Ubukhulu nokubekezelelana - isib. 13 μm, ± 5%
- Izidingo zokushisa nezomshini - isib. H18, amandla 120-170 MPa
- I-Plain noma i-carbon coated - futhi uma zimboziwe: uhlangothi olulodwa noma olukabili
- Ugqinsi lwesendlalelo sekhabhoni - isib. 1 μm ngakunye
- Ububanzi nomkhawulo wemajini - isib. 230 ububanzi obuboshwe nge-mm, 15 mm imajini ohlangothini ngalunye
- Ukumelana nendawo okuqondisiwe - isib. ≤2 mΩ
- Imfuneko yokuhlanzeka kwendawo - umkhawulo wamafutha asele, uma unayo
- I-ID yekhoyili / OD nobude
- Ivolumu yanyanga zonke kanye nohlelo lokulethwa
- Kudingeka amadokhumenti - COA, I-MSDS, REACH/RoHS, isitifiketi sokuhlolwa kwezinto
Imibuzo ejwayelekile ukubuzwa
Uyini umehluko phakathi kwefoyili yebhethri nefoli ye-aluminium evamile? I-foil yebhethri iyingxubevange engu-1xxx ecwebe kakhulu elawula ukufana kwegeji., Ukuhlanzeka komhlaba, insalela yamafutha aginqikayo namaphinifa. I-foil yokupakisha evamile ayikhiqizwe kulokho kubekezelela futhi izodala ukukhubazeka kokunamathela.
Kungani kusetshenziswa i-carbon coating ku-cathode foil? Yehlisa ukumelana nokuxhumana phakathi kwe-aluminium substrate kanye nezinto ezisebenzayo ze-cathode, kuthuthukisa ukunamathela, ivikela ukugqwala, futhi ithuthukisa amandla esilinganiso kanye nempilo yomjikelezo.
Ingabe kufanele ngikhethe i-carbon-side noma i-double side coating? Izinhlangothi ezimbili zamaseli amandla, amaseli ezikhwama kanye nezinhlelo zokusebenza ezinezinga eliphezulu lapho ukumelana nokuhlangana kobuso kubaluleke kakhulu. Uhlangothi olulodwa ngokuvamile lwanele kumaseli wamandla futhi kubiza kancane. Qondanisa nokucushwa kwe-electrode coating yakho.
Ibhethri ye-aluminium foil ingaba mncane kangakanani? 12 μm isetshenziswa ivolumu kumaseli anamandla amakhulu; 10 μm nangaphansi kukhona kodwa ukunikezwa kukhawulelwe. Ukuya ngomzimba omncane kudinga kokubili umshini wokugaya onekhono kanye nolayini wokunamathela ocushwe kahle - ngaphandle kwalokho ucezu lukhuphuka ngokushesha kunokuba ukuminyana kwamandla kuthuthuke.
Ingabe amabhethri e-sodium-ion angasebenzisa i-aluminium foil yawo womabili ama-electrode? Yebo. I-sodium ayihlanganisi ne-aluminium ngendlela i-lithium eyenza ngayo, ngakho bobabili abaqoqi bamanje bangaba ucwecwe lwe-aluminium. Lokhu kuyingxenye yenzuzo yezindleko ze-sodium-ion futhi kunomthelela ekukhuleni kwesidingo.
Isiphi isikhathi esijwayelekile sokuhola kanye ne-MOQ? Kokubili kuncike kugeji, ukucushwa kwe-coating kanye nevolumu. Ucwecwe olunamekwe futhi olusikiwe ludinga izinyathelo ezengeziwe zokucubungula ngale kwe-foil engenalutho. Yisho ivolumu yakho neshejuli ku-RFQ ukuze uthole isibalo esinembile.
Kufanele ngiyigcine kanjani i-foil ene-carbon coated? Kuvaliwe, omile, ihlanzekile, ngezansi cishe 40 °C, phansi, kude nokujiya kanye namakhemikhali agqwalayo, isetshenziswe ekuqaleni kokuphuma.
Xoxa ngokucaciswa kwakho
Sithumelele i-base alloy yakho, into yokulinganisa, ukuthukuthela kanye nokucushwa kokumboza - noma sitshele ikhemistri yeseli lakho, Ithagethi yokuminyana kwamandla kanye nemingcele yomugqa wokuhlanganisa, futhi sizoncoma ukucaciswa kokuqala futhi sihlele amakhoyili okuhlola ukuze ahlolwe.
Ibanga Lebhethri ne-Carbon Coated Aluminium Foil: Umhlahlandlela Wezobuchwepheshe
I-aluminium foil yebhethri ingumqoqi wamanje we-cathode kuseli ye-lithium-ion - i-substrate yensimbi into esebenzayo ye-cathode embozwe phezu kwayo., futhi lokho kuthwala okwamanje ku-electrode. Ayinayo indima ye-electrochemical. Ayiwagcini amandla. Futhi ngokunembile ngoba kunjalo “ongenayo”, kulula ukukucacisa kancane.
Lokho kuyiphutha. I-foil yamanje yokuqoqa ithinta ukumelana nobuso obuhlangene, ukunamathela enamathela, izinga lokukwazi, impilo yomjikelezo, kanye nezinga le-scrap emgqeni wokumboza okungenzeka ukuthi usebenza kumashumi amamitha ngomzuzu. Ukuyilungisa kuyabiza ngendlela okunzima ukuyilandelela emuva ku-foil.
Lo mhlahlandlela uhlanganisa ukukhetha kwe-alloy, into yokulinganisa, inhliziyo, icala lokwemboza i-carbon, kanye namapharamitha okufanele abekwe esimisweni.
Kungani i-aluminium ye-cathode nethusi ye-anode
Iphuzu lokuqala eliwusizo, ngoba ichaza iningi lomqondo wokuklama:
| Cathode umqoqi wamanje | Umqoqi wamanje we-Anode | |
| Okubalulekile | I-aluminium foil | I-copper foil |
| Ngobani | I-Aluminium yakha isitebele, i-passivating oxide layer emandleni we-cathode, futhi ilula futhi ishibhile | Ithusi lizinzile lapho liphansi (i-anode) amandla kodwa ingaba ingxubevange ne-lithium |
| Ukuminyana | 2.7 g/cm³ | 8.96 g/cm³ |
I-aluminium isetshenziswa ku-cathode ngoba ithusi lingakhipha i-oxidise kuma-cathode voltages, kanye ne-aluminium ngoba ithusi lingaba nzima kakhulu. Uma ufuna iseli ye-sodium-ion, Qaphela ukuthi kokubili ama-electrode angasebenzisa ucwecwe lwe-aluminium - isodium ayihlanganisi ne-aluminium ngendlela i-lithium eyenza ngayo. Lesi ngesinye sezizathu i-sodium-ion ekhangayo ezindlekweni, futhi ingumthombo okhulayo wesidingo sefoil yebhethri.
Ukukhetha i-alloy eyisisekelo
I-foil yebhethri isebenzisa uchungechunge lwe-1xxx - i-aluminium emsulwa yezentengiso - ngoba ukuqhutshwa nokuhlanzeka kubaluleke ngaphezu kwamandla.
| Ingxubevange | Ukusetshenziswa okuvamile | Amanothi |
| 1235 | Ingxubevange ye-foil yebhethri evamile | ≥99.35% Al. Ibhalansi enhle ye-conductivity nezindleko |
| 1060 | Kusetshenziswa kabanzi, ubumsulwa obuphakeme kancane | ≥99.60% Al |
| 1070 | Izidingo zokuhlanzeka okuphezulu | ≥99.70% Al |
| 1050 | Isetshenziswa kwelinye ibhethri nefoil ye-elekthronikhi | ≥99.50% Al |
| 1100 | Kukhethwe lapho kudingeka khona amandla aphezulu kancane | Iqukethe i-Cu encane |
Ukuhlanzeka okukaliwe ezintweni zokukhiqiza kuvame ukuhamba ngaphezu kobuncane bokucaciswa — ukucaciswa okungu-≥99.0% kuvame ukulinganisa ≥99.5% ekusebenzeni.
Iseluleko esiwusizo: ungacacisi ngokweqile ukuhlanzeka ngaphandle uma i-electrode chemistry yakho idinga. Isinyathelo ngasinye sokuhlanzeka sibiza imali, futhi 1235 iphatha iningi lemikhiqizo ye-cathode yokuhweba.
Into yokulinganisa: imephu yomgwaqo, kanye nengcindezi yokuba mncane
Icwecwe elincanyana lisho isisindo esincane esingasebenzi kuseli, okusho ukuthi amandla aphezulu aphezulu. Imboni yonke iya phansi.
| Ubukhulu | Isikhundla |
| 20 μm | Izinga elidala, isasetshenziswa lapho ukuphatha amandla kubalulekile |
| 18 μm | I-Conservative, ukuzinza okuhle kwenqubo |
| 16 μm | Okujwayelekile ekukhiqizeni umthamo |
| 15 μm | Okujwayelekile kokuminyana kwamandla okuphezulu |
| 13 μm | Okujwayelekile kwamanje kwamaseli anamandla amakhulu |
| 12 μm | Amaseli anamandla amakhulu, ukulawulwa kwenqubo ngenkani |
| 10 μm nangezansi | I-Frontier, ukunikezwa okulinganiselwe |
Okwamaseli anamandla amakhulu, 12-15 m ukukhethwa okuvamile. Okwezinhlelo zokusebenza lapho ukuzinza komugqa wokuhlanganisa namandla okubamba kubaluleke ngaphezu kwamaphesenti ambalwa wokugcina wokuminyana kwamandla, 18-20 μm inikeza umkhawulo ongcono wenqubo kanye nezinsimbi eziphansi.
Ukuhwebelana kuyiqiniso: njengoba ucwecwe luba mncane luyashwabana futhi lunwebeke kalula ngesivinini esikhulu, iqhekeka kalula ekugobeni, futhi ifuna ukulawula okuqinile kwegeji emshinini wokugaya. Uma umugqa wakho wokumboza ungalungiswanga kahle, ukusuka 16 μm kwe 13 u-μm angakubiza nge-scrap ngaphezulu kunenzuzo ekuminyana kwamandla.
I-Temper and mechanical properties
I-foil yebhethri kufanele ibhalansise izindlela ezimbili zokuhluleka. Ithambile kakhulu futhi iyashwabana noma iyanwebeka ngesikhathi sokumboza ngesivinini esikhulu nokusonteka. Iqine kakhulu futhi iqhekeka emagopheni futhi kunzima ukuyivunguza.
| Ulaka | Amandla okuqina ajwayelekile | Ubude obujwayelekile | Ukusetshenziswa okuvamile |
| O (-bothalekiwe) | 60- 100 MPa | 3-15% | Izicelo ezidinga i-ductility nokwenza uzinzo |
| H18 (egcwele kanzima) | 120- 170 MPa | 1-4% | I-foil ephezulu yamandla emigqa yenqubo elawulwayo |
| H19 | 140- 190 MPa | 1-3% | Izidingo zokuqina eziphakeme |
Ucwecwe lwebhethri oluningi luhlinzekwa nge-H18. Amanani angempela ancike kungxubevange, into yokulinganisa, izimo zokuncishiswa kwe-rolling kanye ne-annealing - vumelana ngobubanzi bezakhiwo zikamshini ngokwenkontileka futhi idinga ukuthi kubikwe esitifiketini sokuhlolwa kwempahla yendawo ngayinye yokukhiqiza.
Amanani ayizethenjwa ajwayelekile omkhiqizo oboshiwe: amandla okubamba ≥180 MPa, elongation >1.5%.
I-Plain foil vs i-carbon-coated foil
Lesi yisinqumo esibaluleke kakhulu kulo mhlahlandlela, ngakho-ke kufanelekile ukunemba.
Inkinga ye-carbon coating iyaxazulula
Lapho i-cathode slurry imbozwe ngokuqondile kucwecwe lwe-aluminium olungenalutho, izinto ezintathu ziyakusebenzela:
- Xhumana nokumelana. Izinto ezisebenzayo zithinta insimbi kuphela ezindaweni ezihlukene. Ukumelana nokuxhumana kobuso kuphezulu, okulimaza ikhono lesilinganiso futhi kukhiqize ukushisa kwe-ohmic.
- Ukunamathela. Ukunamathela okulushelelezi ensimbi ebushelelezi kubuthakathaka kunemaholoholo, ungqimba lwekhabhoni olusezingeni eliphezulu. Ukunamathelisa kahle kusho ukuncipha ngesikhathi sokubhala ikhalenda nokuhamba ngebhayisikili.
- Ukugqwala. Indawo ye-aluminium ingagqwala lapho ihlangana ne-electrolyte ngokuhamba kwesikhathi eside, ikakhulukazi kuma-voltage aphezulu kanye nakumakhemistri athile.
Okwenziwa ungqimba lwekhabhoni
I-sub-micron conductive carbon layer — ngokuvamile i-carbon black, i-graphite, i-graphene noma inhlanganisela, isetshenziswa nge-binder - isebenza njengebhuloho elisebenzayo phakathi kwensimbi nezinto ezisebenzayo:
- Yandisa indawo yokuxhumana esebenzayo, ukwehlisa ukumelana nokuxhumana kobuso
- Ithuthukisa ukunamathela kwe-electrode, ukunciphisa i-delamination
- Ivikela i-aluminium ekugxumeni kwe-oxidation kanye nokugqwala kwe-electrolyte
- Ithuthukisa amandla wesilinganiso nokuzinza komjikelezo
- Ithuthukisa ukumanzisa kwe-electrolyte ngesikhathi sokugcwalisa
Isengezo esincane ngokwemibandela yobuningi futhi enkulu ngokwemibandela yokusebenza.
Imininingwane ye-Carbon coated
| Ipharamitha | Isidingo esijwayelekile |
| Ingxube ye-foil eyisisekelo | 1050, 1060, 1100, 1235 |
| Isisekelo se-foil ukujiya | 12-20 μm (9-30 μm etholakalayo) |
| Ukugqoka izinhlangothi | Uhlangothi olulodwa noma olukabili |
| Ugqinsi lwesendlalelo sekhabhoni | ≥1 μm ohlangothini ngalunye (0.5-2 μm ububanzi, ngokwezifiso) |
| Ukumelana nobuso | ≤5 mΩ (impahla yokukhiqiza ivamise ukukala u-1–2 mΩ) |
| Ingcindezi yokumanzisa ebusweni | ≥30 i-dyne ye-foil engenalutho; ≥40–50 i-dyne ye-carbon-coated |
| I-coating adhesion | Akukho delamination ngemva 3M tape ukudonsa |
| Ukumelana ne-solvent | >200 imijikelezo ye-cotton-swab ngaphandle kokudalula i-foil |
| Ukucwiliswa kwe-Electrolyte | Akukho delamination ngemva 24 h |
| Imajini yomkhawulo (-ngahlangene) | Okujwayelekile 15 ± 1 mm |
| Ukuminyana kwe-areal (16 μm, emboziwe) | ~ 42 g/m² |
| Ukuhambisana nokomisa | Vacuum yomisa kuze kube 150 °C |
Uhlangothi olulodwa noma olukabili? Qondanisa nokucushwa kwe-electrode coating yakho. Ukufakwa kwekhabhoni okuseceleni okukabili kunikeza ukumelana okuphansi kobuso kanye nokusebenza okungcono kwezinga eliphezulu, futhi ijwayelekile kumaseli amandla namaseli ezikhwama. Uhlangothi olulodwa ngokuvamile lwanele futhi lushibhile kumaseli wamandla noma lapho ubuso obubodwa kuphela obuthola izinto ezisebenzayo.
Ububanzi be-coating ifaniswe nokufa kwakho - ububanzi obuvamile buhlanganisa 170 mm, 230 mm, 260 mm futhi 280 mm, ngemajini engavaliwe yokushisela ithebhu.
Isimonyana sekhwalithi: lapho izinkinga eziningi ziqala khona
Isimo esingaphezulu sinomthelela oqondile ekuhlanganisweni kwe-slurry. Ukungcola, amafutha okugoqa ngokweqile, ukuklubula, amazinyo, imifantu yonqenqema noma ukuhwalala okungalingani konke kuhumusheka ekubeni amaphutha okunamathela kanye ne-electrode enqatshiwe.
Izidingo zokucacisa:
- Hlanza indawo nge uwoyela oginqikayo olawulwayo - lokhu kubalulekile. Uwoyela oyinsalela wehlisa ukumanzisa kwe-slurry futhi udala ukonakala kokunamathela
- Akukho ukugqwala okubonakalayo, i-oxidation staining, imigqa emnyama noma ukufakwa kwamanye amazwe
- Akukho ukugoqa, imihuzuko enzima, igagasi lomphetho, i-telescoping noma ukuphenduka okuxekethile
- Ubulukhuni obulawulwayo ifaniswe nenqubo yakho yokugqoka
- Ukucaba okuzinzile ukusekela ukunamathela okufanayo nokomisa
- Sika imiphetho nge-burr ekhawulelwe futhi akukho ukuqhekeka konqenqema okuqhubekayo
Uma wethula ukwakheka okusha kwe-electrode, sebenzisa amakhoyili okuhlola ngaphambi kokukhiqiza ngobuningi. Ukuziphatha kokumboza kuncike ekusebenzisaneni phakathi kwezinto zakho ezisebenzayo, isibopho, i-solvent, isisindo sokugqoka kanye nezimo zekhalenda - i-foil iwushintsho olulodwa kuleso simiso, futhi okuwukuphela kwendlela yokwazi ukuyihlola.
Ukuhlola nokulawula izinga
Izigayo ezinedumela elihle zihlola kuwo wonke ukukhiqizwa esikhundleni sokuthatha amasampula kuphela ekugcineni. Izinto zokuhlola ezijwayelekile:
| Into yendaba | Okuhlosiwe |
| Ukwakheka kwamakhemikhali | Iqinisekisa ukuthobela ingxubevange |
| Isilinganiso sobukhulu | Iqinisekisa ukunemba kwegeji nokufana |
| Isilinganiso sobubanzi | Iqinisekisa ukubekezelela imisila |
| Amandla aqinile kanye nobude | Iqinisekisa ulaka nokuzinza kwemishini |
| Ukuhlolwa kwendawo | Ukuklubula, amabala, amamaki amafutha, ukufakwa |
| Ukuhlolwa kwe-Pinhole | Ifanele ukusetshenziswa kwegeji elincane |
| Ikhwalithi yomphetho | Ama-burrs, imifantu, amaphutha wokunquma |
| Isimo sekhoyili | I-Telescoping, ukugoqa okuxekethile, ukuqondanisa komphetho |
Cela I izitifiketi zokuhlaziya, amalebula ikhoyili, izinhlu zokupakisha namarekhodi okuhlola njengokulethwa kwenkontileka. Ukufana kwe-gauge kububanzi bekhoyili nobude yikho okunciphisa ukuhluka kwesisindo sakho sokumboza kanye nezinga lokwenqatshwa kwe-electrode - lena ipharamitha okufanele siphikisane ngayo.
Ukupakisha nokugcina
Ucwecwe lwebhethri luyazwela kumswakama, uthuli, ukulimala komshini kanye nokungcoliswa kwendawo.
- Amakhoyili kufanele apakishwe ngokugoqa okuyisivikelo, impahla ukumelana nomswakama, ukuvikela emaphethelweni, kanye namaphalethi noma amakesi okhuni asezingeni lokuthekelisa
- Gcina ku-a ihlanzekile, ishede elomile, kude namakhemikhali abolayo, ukujiya kanye nokuxhumana okuqondile phansi
- Hlala uvaliwe kuze kusetshenziswe - i-oxidation yendawo kanye nokukhanyiswa komswakama kwehlisa ukusebenza kokunamathela
- Hlonipha kuqala ukungena, ukuzungeza kokuqala
Uhlu lokuhlola lwe-RFQ
Isicelo esithi “ucwecwe lwebhethri 13 μm” ngeke ikutholele isisho esiwusizo. Faka:
- Ingxubevange yesisekelo - isib. 1235
- Ubukhulu nokubekezelelana - isib. 13 μm, ± 5%
- Izidingo zokushisa nezomshini - isib. H18, amandla 120-170 MPa
- I-Plain noma i-carbon coated - futhi uma zimboziwe: uhlangothi olulodwa noma olukabili
- Ugqinsi lwesendlalelo sekhabhoni - isib. 1 μm ngakunye
- Ububanzi nomkhawulo wemajini - isib. 230 ububanzi obuboshwe nge-mm, 15 mm imajini ohlangothini ngalunye
- Ukumelana nendawo okuqondisiwe - isib. ≤2 mΩ
- Imfuneko yokuhlanzeka kwendawo - umkhawulo wamafutha asele, uma unayo
- I-ID yekhoyili / OD nobude
- Ivolumu yanyanga zonke kanye nohlelo lokulethwa
- Kudingeka amadokhumenti - COA, I-MSDS, REACH/RoHS, isitifiketi sokuhlolwa kwezinto
Imibuzo ejwayelekile ukubuzwa
Uyini umehluko phakathi kwefoyili yebhethri nefoli ye-aluminium evamile? I-foil yebhethri iyingxubevange engu-1xxx ecwebe kakhulu elawula ukufana kwegeji., Ukuhlanzeka komhlaba, insalela yamafutha aginqikayo namaphinifa. I-foil yokupakisha evamile ayikhiqizwe kulokho kubekezelela futhi izodala ukukhubazeka kokunamathela.
Kungani kusetshenziswa i-carbon coating ku-cathode foil? Yehlisa ukumelana nokuxhumana phakathi kwe-aluminium substrate kanye nezinto ezisebenzayo ze-cathode, kuthuthukisa ukunamathela, ivikela ukugqwala, futhi ithuthukisa amandla esilinganiso kanye nempilo yomjikelezo.
Ingabe kufanele ngikhethe i-carbon-side noma i-double side coating? Izinhlangothi ezimbili zamaseli amandla, amaseli ezikhwama kanye nezinhlelo zokusebenza ezinezinga eliphezulu lapho ukumelana nokuhlangana kobuso kubaluleke kakhulu. Uhlangothi olulodwa ngokuvamile lwanele kumaseli wamandla futhi kubiza kancane. Qondanisa nokucushwa kwe-electrode coating yakho.
Ibhethri ye-aluminium foil ingaba mncane kangakanani? 12 μm isetshenziswa ivolumu kumaseli anamandla amakhulu; 10 μm nangaphansi kukhona kodwa ukunikezwa kukhawulelwe. Ukuya ngomzimba omncane kudinga kokubili umshini wokugaya onekhono kanye nolayini wokunamathela ocushwe kahle - ngaphandle kwalokho ucezu lukhuphuka ngokushesha kunokuba ukuminyana kwamandla kuthuthuke.
Ingabe amabhethri e-sodium-ion angasebenzisa i-aluminium foil yawo womabili ama-electrode? Yebo. I-sodium ayihlanganisi ne-aluminium ngendlela i-lithium eyenza ngayo, ngakho bobabili abaqoqi bamanje bangaba ucwecwe lwe-aluminium. Lokhu kuyingxenye yenzuzo yezindleko ze-sodium-ion futhi kunomthelela ekukhuleni kwesidingo.
Isiphi isikhathi esijwayelekile sokuhola kanye ne-MOQ? Kokubili kuncike kugeji, ukucushwa kwe-coating kanye nevolumu. Ucwecwe olunamekwe futhi olusikiwe ludinga izinyathelo ezengeziwe zokucubungula ngale kwe-foil engenalutho. Yisho ivolumu yakho neshejuli ku-RFQ ukuze uthole isibalo esinembile.
Kufanele ngiyigcine kanjani i-foil ene-carbon coated? Kuvaliwe, omile, ihlanzekile, ngezansi cishe 40 °C, phansi, kude nokujiya kanye namakhemikhali agqwalayo, isetshenziswe ekuqaleni kokuphuma.
Xoxa ngokucaciswa kwakho
Sithumelele i-base alloy yakho, into yokulinganisa, ukuthukuthela kanye nokucushwa kokumboza - noma sitshele ikhemistri yeseli lakho, Ithagethi yokuminyana kwamandla kanye nemingcele yomugqa wokuhlanganisa, futhi sizoncoma ukucaciswa kokuqala futhi sihlele amakhoyili okuhlola ukuze ahlolwe.