Menene Rubutun Zafin Filastik na Batirin Lithium{0}ion?
Rashin gazawar cell ɗin jaka a filin? Kimanin kashi 60 -70% na gano matsalolin rufewa. Ba cathode ba, ba mai rarrabawa ba, har ma da BMS-kawai nau'ikan fim guda biyu waɗanda ba su haɗu da kyau ba. Zafi mai zafi yana samun shafuka biyu a yawancin litattafan baturi, amma yana haifar da ƙarin da'awar garanti fiye da yadda mutane ke so su yarda.
Film Din Da Yayi Duk Aiki
Fim ɗin laminate na aluminum yana da ayyuka uku cushe cikin abu ɗaya. Nailan na waje yana ɗaukar karce kuma yana toshe iskar oxygen. Layin aluminum na tsakiya yana dakatar da danshi -wannan shine ainihin shamaki, tunda ko kankanin tururin ruwa yana amsawa da LiPF6 don samar da iskar HF. Ciki CPP (polypropylene da aka jefa) yana narkewa yayin rufewa don ƙirƙirar haɗin gwiwa na ainihi.
Sauti madaidaiciya. A aikace, samun duk yadudduka uku don haɗin gwiwa yayin zagayowar hatimi na biyu na 2-3 yana ɗaukar ƙarin sarrafa tsari fiye da yadda yawancin ayyuka ke tsammanin lokacin da suka fara kafa layin jaka.
DNP, Showa Denko, da Youlchon har yanzu suna ba da mafi yawan fim ɗin laminate mafi girma a duniya. Masana'antun kasar Sin{1}Zijiang, Daoming, da wasu 'yan wasu{2} sun rufe gibin a tsakiyar{3}} aikace-aikace, ko da yake har yanzu manyan sel{4}} zagayowar - sel na rayuwa suna nuna takamaiman fim ɗin Jafananci ko Koriya. Zaɓin kayan abu yana rinjayar halayen rufewa fiye da yadda takaddun bayanai suka nuna.
Yadda Hatimin Haƙiƙa ke Aiki
Sanduna masu zafi guda biyu, sama da ƙasa, damfara fim ɗin laminate mai naɗe. Zazzabi yana gudana daga digiri 185 zuwa digiri 225 a farfajiyar mashaya. Amma ga abin da littattafan kayan aiki ba su jaddada: CPP Layer zafin jiki ya ƙare kusan 10 digiri ƙasa da mashaya zafin jiki domin zafi gudanar ta nailan da aluminum farko. Matsayin digiri na 215 yana nufin kusan digiri 205 a ainihin haɗin haɗin gwiwa.
Hatimin gefen yana gudanar da sanyaya{1}}digiri 185 ne na yau da kullun tunda fim ne kawai{2}}haɗin fim. Babban hatimi yana buƙatar digiri 210-220 saboda shafukan lantarki suna buga ta cikin kunshin kuma fim ɗin sealant ɗin yana ƙara yawan zafin jiki. Wannan simintin (wanda aka saba gyara PP) dole ne ya haɗa lokaci guda zuwa saman shafin karfe da Layer CPP. Hanyoyi daban-daban guda uku, zagayen rufewa ɗaya.
Tsarin haɗakarwa ya haɗa da sarkar polymer interdiffusion. CPP ya kai yanayin kwarara mai ɗanɗano, sarƙoƙi suna ƙaura ta hanyar sadarwa a ƙarƙashin matsin lamba, sa'an nan kuma ɗaure yayin da komai ya yi sanyi. DSC masu lankwasa don mafi yawan fina-finan laminate na kasuwanci suna nuna taga narke tsakanin digiri 160 da digiri 215 - kololuwar endothermic biyu masu alamar iyakoki. Yin aiki tsakanin waɗannan kololuwa shine manufa.
Inda Layin Samar da Gwagwarmaya
Hatimin hatimin tab
matsayi a matsayin mafi yawan yanayin gazawa. Cikewar lantarki yana faruwa kafin hatimi na ƙarshe, kuma duk wani abin da ya rage a saman hatimin yana kashe ƙarfin haɗin gwiwa. Ko da tururi mai ƙarfi na iya canza makamashin saman CPP isa ya haifar da matsala. Wasu wurare suna goge wuraren hatimi tare da IPA; ingantattun ayyuka sarrafa zafi da amfani da tsaftataccen yanki don matakin hatimi na ƙarshe. Alithium baturi mai kayatare da babban amincin filin yawanci yana da tsauraran ka'idoji anan{0}} wanda ya cancanci tambaya game da lokacin cancantar.
Daidaiton yanayin zafi tare da sandar rufewa
yana haifar da ƙin yarda fiye da yadda yawancin mutane suka sani. Abubuwan dumama ba sa rarraba daidai da tsayin mashaya. Cold spots suna ba da cikakkiyar fuska; wurare masu zafi suna haifar da matsi -inda narkakkar CPP ke samun turawa daga yankin hatimi, yana barin wuraren da ba su da ƙarfi waɗanda ke fashe akan sanyaya. Multi{4}} sarrafa zafin yanki yana taimakawa, amma yawancin layukan har yanzu suna gudanar da sandunan yanki ɗaya{5}} kuma kawai suna karɓar ƙima mafi girma.
Matse -fita da micro{1} fatsawa
yana faruwa lokacin da zafin jiki ko matsa lamba yayi yawa. Narkakkar polymer ba ta da inda za ta je sai dai gefen yankin hatimi. Rago mai bakin ciki yana haifar da tsagewar damuwa yayin sanyaya -wani lokaci ana iya gani a ƙarƙashin haɓakawa, wani lokacin a'a. Waɗannan sun zama hanyoyin zube cikin lokaci. Kawunan hatimin da aka bayyana tare da ridges da tashoshi masu sarrafa kayan aiki mafi kyau fiye da sandunan lebur, kodayake sun fi tsada kuma suna buƙatar juriya na saiti.
Delamination tab m
yana nuna watanni bayan jigilar sel. Fim ɗin da ke kan igiyoyin lantarki dole ne ya haɗa ƙarfe -zuwa{2}}maɗaukaki, mannewa{3}}zuwa{4}}masana (inda yadudduka suka hadu), da m-zuwa{6}}CPP. Rasa kowane mu'amala yana nufin electrolyte a ƙarshe yana wicks tare da shafin. Kwayoyin sun wuce gwajin ɗigo na farko, sannan su yi kasa a cikin filin lokacin da jinkirin jinkirin ya ƙare. Gwajin gwaje-gwajen tsufa na gaggawa yana kama wasu daga cikin waɗannan, amma ba duka ba.
Dry vs Thermal Lamination Films
Yadda aka kera fim ɗin laminate da kansa yana rinjayar halayen rufewa.
Thermal lamination bond CPP zuwa aluminum ta amfani da MPP m karkashin zafi da matsa lamba. Tsarin yana aiki amma bayyanar zafi zai iya haifar da manne Layer. WasuOEM baturi lithiumshirye-shirye sun canza zuwa fina-finai na lamination{0}}magungunan mannewa a ƙananan zafin jiki, yana da sauƙin sassauƙa, yana ɗaukar zurfin zana mafi kyau.
Busassun{0}fina-finan tsari gabaɗaya suna ba da tagogi masu faɗi. Fina-finan da ake aiwatarwa wani lokaci -wasu lokuta suna nuna ɓata lokaci{3}}wasu harka yayin ƙirƙirar ayyukan da ba za su faru da busasshen fim ba. Ba yana nufin thermal ba shi da kyau; Yawancin sel masu girma{5} suna amfani da shi cikin nasara. Amma lokacin da matsalolin rufewa suka tashi kuma babu wani abu da ya bayyana su, tsarin samar da fim ya cancanci bincike.
Bayanan kayan aiki
Wurin rufewa na sama yawanci yana gudana azaman santsi mai santsi "masanin haske" nannade cikin tef ɗin PTFE. Teflon yana hana dankowa lokacin da polymer ya matse, yana ba da saki bayan kowane zagayowar, kuma yana taimakawa ko da rarraba zafi kadan. Tef ɗin yana sawa kuma yana buƙatar sauyawa na yau da kullun - PTFE gurɓatacce ko sawa yana nunawa a matsayin alamun saman da aka rufe.
Ƙarƙashin mashaya yawanci yana da shimfidar wuri tare da tashar tsakiya, wanda aka yi masa layi da robar silicone. Silicone yana ba da yarda don ɗaukar bambancin kauri daga wuraren shafuka. Ba tare da wannan yarda ba, rarraba matsa lamba yana tafiya mara daidaituwa kuma ƙarfin haɗin gwiwa ya bambanta a fadin hatimin.
Ƙirar asymmetric{0}} saman santsi, ƙasa mai bayanin martaba{1}}yana ba da matsi mai sarrafawa maimakon matsawa kawai. Saita al'amura a nan; 'yan kashi goma na millimita a daidaitawar mashaya sun canza sakamako a bayyane.
Tambayoyi Masu Bayyana Balaga
A lokacin cancantar mai siyarwa, waɗannan tambayoyin suna son raba manyan ayyuka daga waɗanda zasu haifar da ciwon kai na garanti:
Kowaal'ada lithium baturi marokiyin aikin injiniya na ainihi zai iya amsa waɗannan musamman. Waɗanda ba za su iya yiwuwa suna fitar da kayayyaki fiye da yadda suka yarda ba.
Haqiqa Sarkar Supply
Don sel masu shiga cikin kayan aikin masana'antu{0}}kayafai, AGVs, hawan iska, masu goge ƙasa{1}Ingantattun kayan aiki suna shafar farashin zagayen rayuwa fiye da farashin siye. Ajimlar baturi lithiumlissafi bisa $/kWh kawai ya rasa ma'anar idan gazawar hatimi ta haifar da kiran sabis a cikin shekara ta uku.
Fina-finan laminate na Jafananci da na Koriya sun fi tsada. Sun kuma kasa kasa. Fina-finan Sinanci suna aiki da kyau don gajerun aikace-aikacen zagayowar{2} ko kuma inda matsin farashi ya mamaye. Daidaita ƙayyadaddun ƙayyadaddun kayan aiki zuwa ainihin yanayin amfani maimakon ƙetare zuwa mafi arha{4}} akwai.
Masu kera batirin lithiumtare da ƙwararrun ƙwararru a cikin{0} gida suna yin kyakkyawan yanke shawara a nan. Waɗanda ke siyan layukan turnkey kuma suna gudanar da duk fim ɗin da mai siyar da kayan aiki ya ba da shawarar... sakamako ya bambanta.
Rufewa ba ta da wahala a ra'ayi{0}zafi, matsa lamba, sanyaya. Samun shi daidai a juzu'in samarwa, tare da shigarwar shafin, haɗarin gurɓatawar electrolyte, da ma'aunin zafi, yana ɗaukar ƙarin horon tsari fiye da sauƙi ya nuna. Amincewar filin yana bin diddigin kulawar da masana'anta ke biyan wannan matakin.
