Kusukela ngo-2022, isidingo semakethe semikhiqizo yokugcina amandla sikhule kakhulu ngenxa yokushoda kwamandla kanye nezintengo zikagesi ezikhuphukayo emazweni amaningi emhlabeni jikelele. Ngenxa yokushaja okuphezulu nokusebenza kahle kokukhipha kanye nokuzinza okuhle,amabhethri e-lithiumemhlabeni jikelele zithathwa njengezokuqala ezikhethwa yimishini yesimanje yokugcina amandla. Esigabeni esisha sokuthuthukiswa, kuwumsebenzi obalulekile kubo bonke ozakwethu embonini ye-copper foil ukuthi baqhubekele phambili futhi baqhubekisele phambili ukukhuthaza ukuguqulwa komkhiqizo kanye nokuthuthukiswa ukuze kuhlangatshezwane nesidingo semakethe entsha futhi kuzuzwe ukuthuthukiswa kwekhwalithi ephezulu. Akunzima ukuthola ukuthi imakethe yebhethri ye-lithium yanamuhla iphumelela kakhulu, isidingo sokugcinwa kwamandla sikhula ngokushesha, umkhuba wokunciphisa ibhethri uvamile, futhi imikhiqizo yebhethri ye-lithium ye-copper encane isiphenduke "imikhiqizo yeziqhumane" yezwe lethu.
I-lithium copper foil isifinyezo salokhuibhethri ye-lithium-ioni-copper foil, esetshenziswa njengempahla yomqoqi we-anode wamabhethri e-lithium-ion futhi ingeyesigaba esibalulekile se-electrolytic copper foil. Iwuhlobo lwe-metallic copper foil ekhiqizwa indlela ye-electrolytic enokwelashwa okungaphezulu, futhi iwuhlelo oluvame kakhulu lwefoil yebhethri ye-lithium yethusi. Ucwecwe lwethusi lwebhethri ye-Li-ion lungahlukaniswa ngokujiya lube ucwecwe lwethusi oluncane (12-18 microns), ucwecwe lwethusi oluncane kakhulu (ama-microns angu-6-12) kanye nocwecwe lwethusi oluncane kakhulu (ama-microns angu-6 nangaphansi). Ngenxa yezidingo eziphezulu zokuminyana kwamandla ezimoto zamandla amasha, amabhethri kagesi ajwayele ukusebenzisa i-ultra-copper nencane kakhulu ifoyili yethusi enogqinsi oluncane.
Ikakhulukazi foramandla amabhethri e-lithiumngezidingo eziphezulu zokuminyana kwamandla, ucwecwe lwe-lithium yethusi lube ngenye yempumelelo. Ngaphansi kwesisekelo sokuthi ezinye izinhlelo zihlala zingashintshiwe, ucwecwe lwekhopha olusetshenziswa kumabhethri e-lithium luba mncane futhi lube lula, kwandisa ukuminyana kwamandla amakhulu. Njengomthombo ophakathi nendawo we-lithium yethusi ochungechungeni lwezimboni, ukuthuthukiswa kwemboni kuthonywa izinto zokusetshenziswa ezikhuphukayo kanye namabhethri e-lithium angezansi. Izinto zokusetshenziswa ezikhuphuka nomfula njengethusi ne-sulfuric acid ziyizimpahla eziyinqwaba ezinokutholakala okwanele kodwa ukuguquguquka kwentengo okuvamile; amabhethri e-lithium aphansi athonywa ukuthuthukiswa kwezimoto zamandla amasha kanye nokugcinwa kwamandla. Esikhathini esizayo, izimoto zamandla amasha ziyazuza kuhlelo lukazwelonke lwe-carbon neutral, futhi izinga lokuthandwa kulindeleke ukuthi liqhubeke landa kakhulu, futhi isidingo samandla ebhethri ye-lithium-ion sizokhula ngokushesha. Isitoreji samandla wamakhemikhali aseChina sikhula ngokushesha, futhi ngokuthuthukiswa kwamandla omoya, i-photovoltaic nezinye izimboni, isitoreji samandla e-electrochemical yaseChina sizokhula ngokushesha. Izinga lokukhula elihlanganisiwe lomthamo wokugcinwa kwamandla we-electrochemical ofakiwe kulindeleke ukuthi libe ngu-57.4% kusukela ngo-2021-2025.
Ngemizamo ehlanganyelwe yezinkampani zamabhethri nabakhiqizi be-foil yethusi, i-lithium yebhethri ye-copper foil yaseChina ihamba phambili emhlabeni mayelana nokukhanya nobuncane. Njengamanje, i-foil yethusi yamabhethri e-lithium yasekhaya ikakhulukazi ama-microns angu-6 nama-microns angu-8. Ukuze kuthuthukiswe ukuminyana kwamandla ebhethri, ngaphezu kokuqina, amandla aqinile, ukunwebeka, ukumelana nokushisa nokumelana nokugqwala nakho kuyizinkomba zobuchwepheshe ezibalulekile. Ama-microns angu-6 kanye ne-foil yethusi ezacile kakhulu sekugxilwe kusakhiwo sabakhiqizi abajwayelekile basekhaya, futhi njengamanje, ama-microns angu-4, ama-microns angu-4.5 kanye neminye imikhiqizo emincane esetshenzisiwe emabhizinisini amakhulu njenge-Ningde Time kanye ne-China Innovation Aviation.
Okukhiphayo kwangempela kunzima ukufinyelela amandla okuzisholo, futhi izinga lokusebenzisa umthamo jikelele wemboni ye-lithium ye-copper foil cishe i-80%, kucatshangelwa umthamo ongavumelekile ongakwazi ukukhiqizwa ngobuningi. 6 micron ucwecwe lwethusi noma ngaphansi ujabulela amandla aphezulu okuxoxisana kanye nenzuzo ephezulu ngenxa yobunzima bokukhiqiza. Uma kucatshangelwa imodeli yentengo yentengo yethusi + imali yokucubungula yefoyili yethusi ye-lithium, imali yokucubungula yefoyili yethusi engu-6 micron ingu-5.2 million yuan/ton (kuhlanganise nentela), engaphezulu ngo-47% kunemali yokucubungula yefoyili yethusi engu-8 micron.
Izuza ekuthuthukisweni okusheshayo kwezimoto zamandla ezintsha zaseChina kanye nemboni yebhethri ye-lithium, i-China ingumholi womhlaba wonke ekuthuthukisweni kwe-lithium yethusi ecwecwe, emboza ucwecwe lwethusi oluncane, ucwecwe lwethusi oluncane kakhulu kanye necwecwe lethusi elincanyana kakhulu. I-China isibe ngumkhiqizi omkhulu kunayo yonke we-lithium yethusi ecwecwe. Ngokusho kwe-CCFA, amandla okukhiqiza i-lithium yethusi ye-lithium azoba amathani angama-229,000 ngo-2020, futhi silinganisela ukuthi isabelo semakethe saseChina kumthamo wokukhiqiza we-lithium yethusi womhlaba wonke uzoba cishe u-65%.
Isabelo se-Nordic: umholi we-lithium copper foil uqale kabusha ukukhula, obambe iqhaza kakhulu ekuthuthukisweni, ekukhiqizeni nasekudayiseni ucwecwe lwethusi lwe-electrolytic lwamabhethri e-lithium-ion, imikhiqizo eyinhloko ye-electrolytic yethusi ye-copper ihlanganisa i-4-6 micron encane kakhulu ye-lithium yethusi ucwecwe, 8-10 micron Icwecwe le-lithium yethusi elincanyana kakhulu, ucwecwe lwethusi lwe-lithium micron olusebenza kahle kakhulu oluyi-9-70 micron, ucwecwe lwethusi oluyi-105-500 micron ultra-thick electrolytic, njll., kwasekhaya ukuzuza kuqala ama-micron angu-4.5 nama-micron angu-4 ezacile ngokwedlulele icwecwe le-lithium yethusi ukukhiqizwa ngobuningi.
I-Jiayuan Technology: Ukuzibandakanya ngokujulile ku-lithium yethusi ucwecwe, umthamo wokukhiqiza esizayo uyaqhubeka nokukhula, ikakhulukazi uhileleke ekukhiqizeni nasekuthengisweni kwezinhlobo ezahlukene ze-foil yethusi ye-electrolytic esebenza kahle kakhulu yamabhethri e-lithium-ion asuka ku-4.5 kuya ku-12μm, asetshenziswa kakhulu ku-lithium-ion. amabhethri, kodwa futhi nenani elincane lezinhlelo zokusebenza ku-PCB. Le nkampani isungule ubudlelwano besikhathi eside nabakhiqizi abakhulu basekhaya bebhethri ye-lithium-ion futhi ibe umphakeli oyinhloko we-lithium yethusi ecwecwe. Le nkampani ibambe iqhaza ngokujulile kucwecwe lwethusi lwe-lithium futhi ibihola ocwaningweni nasekuthuthukisweni komkhiqizo, futhi manje isinikeze ama-micron angu-4.5 ama-micron amancane kakhulu we-lithium yethusi kumakhasimende ngeqoqo.
Ngokusho kwamaphrojekthi ezinkampani ezinkulu ze-copper foil kanye nenqubekelaphambili yomthamo wazo wokukhiqiza, iphethini yokutholakala okuqinile kwe-copper foil ingase iqhubeke ngo-2022 ngaphansi kokukhula okusheshayo kwesidingo, futhi imali yokucubungula i-lithium yethusi ucwecwe kulindeleke ukuba igcine iphezulu. izinga. U-2023 uzobona ukuthuthuka okukhulu ohlangothini lokuhlinzeka, futhi imboni izophinde ilinganise kancane kancane.
Isikhathi sokuthumela: Oct-18-2022