Tare da saurin ci gaba nabatirin lithiumMasana'antu, yanayin amfani da batirin lithium yana ci gaba da faɗaɗawa kuma ya zama na'urar makamashi mai mahimmanci a rayuwar mutane da aikinsu. Idan ana maganar tsarin samar da na'urorin kera batirin lithium na musamman, tsarin samar da batirin lithium ya haɗa da sinadarai, shafa, zanen gado, shiri, naɗewa, harsashi, birgima, yin burodi, allurar ruwa, walda, da sauransu. Mai zuwa yana gabatar da mahimman abubuwan da ke cikin tsarin samar da batirin lithium. Sinadaran lantarki masu kyau. Electrode mai kyau na batirin lithium ya ƙunshi kayan aiki, wakilai masu sarrafawa, manne, da sauransu. Da farko, ana tabbatar da kayan kuma ana gasa su. Gabaɗaya, ana buƙatar a gasa wakilin mai sarrafawa a ≈120℃ na tsawon awanni 8, kuma ana buƙatar a gasa PVDF mai manne a ≈80℃ na tsawon awanni 8. Ko kayan aiki (LFP, NCM, da sauransu) suna buƙatar yin burodi da bushewa ya dogara da yanayin kayan aiki. A halin yanzu, sashen aikin batirin lithium na gabaɗaya yana buƙatar zafin jiki ≤40℃ da danshi ≤25%RH. Bayan an gama bushewa, ana buƙatar a shirya manne na PVDF (mai narkewa na PVDF, maganin NMP) a gaba. Ingancin manne na PVDF yana da matuƙar muhimmanci ga juriya ta ciki da aikin wutar lantarki na batirin. Abubuwan da ke shafar amfani da manne sun haɗa da zafin jiki da saurin juyawa. Mafi girman zafin jiki, launin rawaya na manne zai shafi mannewa. Idan saurin haɗuwa ya yi sauri, manne ɗin zai iya lalacewa cikin sauƙi. Takamaiman saurin juyawa ya dogara da girman faifan watsawa. Gabaɗaya, saurin layi na faifan watsawa shine 10-15m/s (ya danganta da kayan aiki). A wannan lokacin, ana buƙatar tankin haɗawa don kunna ruwan da ke zagayawa, kuma zafin ya kamata ya kasance ≤30°C.

A saka cathode slurry a cikin rukuni-rukuni. A wannan lokacin, kuna buƙatar kula da tsarin ƙara kayan. Da farko ƙara kayan aiki da wakilin sarrafawa, a juya a hankali, sannan a ƙara manne. Dole ne a aiwatar da lokacin ciyarwa da rabon ciyarwa gwargwadon tsarin samar da batirin lithium. Na biyu, dole ne a sarrafa saurin juyawa da saurin juyawa na kayan aiki sosai. Gabaɗaya, saurin watsawa ya kamata ya wuce 17m/s. Wannan ya dogara da aikin na'urar. Masana'antu daban-daban sun bambanta sosai. Haka kuma, ana sarrafa injin da zafin gaurayawa. A wannan matakin, ana buƙatar a gano girman barbashi da danko na slurry akai-akai. Girman barbashi da danko suna da alaƙa da abun ciki mai ƙarfi, halayen kayan aiki, jerin ciyarwa da tsarin kera batirin lithium. A wannan lokacin, tsarin al'ada yana buƙatar zafin jiki ≤30℃, danshi ≤25%RH, da digirin injin ≤-0.085mpa. A mayar da slurry zuwa tankin canja wuri ko shagon fenti. Bayan an canja slurry ɗin, yana buƙatar a tantance shi. Manufar ita ce a tace manyan barbashi, a zuga su sannan a cire ferromagnetic da sauran abubuwa. Manyan barbashi za su shafi murfin kuma suna iya haifar da zubar da batirin da kansa ko kuma haɗarin gajeren da'ira; yawan kayan ferromagnetic da ke cikin slurry na iya haifar da fitar da batirin da kansa da sauran lahani. Bukatun aiwatar da wannan tsari na samar da batirin lithium sune: zafin jiki ≤ 40°C, danshi ≤ 25% RH, girman raga na allo ≤ 100 raga, da girman barbashi ≤ 15um.

Elektrode mara kyauSinadaran: Elektrodi mara kyau na batirin lithium ya ƙunshi kayan aiki, wakilin sarrafawa, mai ɗaurewa da mai watsawa. Da farko, tabbatar da kayan aikin. Tsarin anode na gargajiya tsari ne na haɗa ruwa (mai narkewa shine ruwan da aka cire ion), don haka babu buƙatun bushewa na musamman ga kayan aikin. Tsarin samar da batirin lithium yana buƙatar watsawar ruwan da aka cire ion ya zama ≤1us/cm. Bukatun aikin bita: zafin jiki ≤40℃, danshi ≤25%RH. Shirya manne. Bayan an tantance kayan aikin, dole ne a fara shirya manne (wanda aka haɗa da CMC da ruwa). A wannan lokacin, a zuba graphite C da wakilin sarrafawa a cikin mahaɗin don haɗa busasshiyar. Ana ba da shawarar kada a yi amfani da injin tsotsa ko kunna ruwan da ke zagayawa, saboda ƙwayoyin suna fitowa, gogewa da dumama yayin haɗa busasshiyar. Saurin juyawa yana da ƙarancin gudu 15~20rpm, zagayowar gogewa da niƙa sau 2-3, kuma lokacin tazara shine ≈minti 15. Zuba manne a cikin mahaɗin sannan a fara amfani da injin tsabtacewa (≤-0.09mpa). A matse robar a ƙaramin gudu na 15~20rpm na tsawon sau 2, sannan a daidaita saurin (ƙarancin gudu 35rpm, babban gudu 1200~1500rpm), sannan a yi aiki na kimanin minti 15~60 bisa ga tsarin danshi na kowane masana'anta. A ƙarshe, a zuba SBR a cikin injin haɗa na'urar. Ana ba da shawarar yin amfani da ƙaramin gudu domin SBR dogayen sarkar polymer ne. Idan saurin juyawa ya yi sauri na dogon lokaci, sarkar kwayoyin halitta za ta karye cikin sauƙi ta rasa aiki. Ana ba da shawarar a juya a ƙaramin gudu na 35-40rpm da babban gudu na 1200-1800rpm na tsawon minti 10-20. Gwada danko (2000~4000 mPa.s), girman barbashi (35um≤), abun da ke ciki mai ƙarfi (40-70%), matakin injin tsabtace na'urar da ragar allo (≤100 raga). Ƙimar tsari na musamman za ta bambanta dangane da halayen kayan da tsarin haɗawa. Aikin yana buƙatar zafin jiki ≤30℃ da zafi ≤25%RH. Rufin cathode na rufi Tsarin kera batirin lithium yana nufin fitar da ko fesa sinadarin cathode a saman AB na mai tattara wutar lantarki na aluminum, tare da yawan saman ≈20~40 mg/cm2 (nau'in batirin lithium na ternary). Zafin wutar tanderu gabaɗaya yana sama da knots 4 zuwa 8, kuma zafin yin burodi na kowane sashe ana daidaita shi tsakanin 95°C da 120°C bisa ga ainihin buƙatun don guje wa tsagewar da ke ratsawa da digowar ruwan da ke narkewa yayin fashewar burodi. Matsakaicin saurin naɗin murfin canja wuri shine 1.1-1.2, kuma ana rage matsayin gibin da 20-30um don guje wa matsewa da yawa na wurin lakabin saboda wutsiya yayin zagayowar baturi, wanda zai iya haifar da hazo na lithium. Danshin rufewa ≤2000-3000ppm (ya danganta da kayan da tsari). Zafin lantarki mai kyau a cikin wurin aiki shine ≤30℃ kuma danshi shine ≤25%. Tsarin zane shine kamar haka: Tsarin zane na tef ɗin rufi

Theƙera batirin lithiumtsarinshafi na lantarki mara kyauyana nufin fitar da ko fesa sinadarin lantarki mara kyau a saman AB na mai tara wutar lantarki ta jan ƙarfe. Yawan saman da aka yi amfani da shi ≈ 10~15 mg/cm2. Zafin murhun da aka yi amfani da shi gabaɗaya yana da sassa 4-8 (ko fiye), kuma zafin yin burodi na kowane sashe shine 80℃~105℃. Ana iya daidaita shi bisa ga ainihin buƙatun don guje wa fashewar yin burodi da fashewar da ta wuce gona da iri. Matsakaicin saurin naɗin canja wuri shine 1.2-1.3, an rage gibin 10-15um, yawan fenti shine ≤3000ppm, zafin wutar lantarki mara kyau a cikin wurin aiki shine ≤30℃, kuma danshi shine ≤25%. Bayan an shafa fenti mai kyau na farantin mai kyau, ana buƙatar daidaita ganga a cikin lokacin aiki. Ana amfani da naɗin don matse takardar lantarki (nauyin miya a kowace ƙarar naúrar). A halin yanzu, akwai hanyoyi guda biyu na matsewa na lantarki mai kyau a cikin tsarin kera batirin lithium: matsewa mai zafi da matsewa mai sanyi. Idan aka kwatanta da matsewa mai sanyi, matsewa mai zafi yana da matsewa mafi girma da ƙarancin saurin dawowa. Duk da haka, tsarin matsi mai sanyi yana da sauƙi kuma mai sauƙin sarrafawa. Babban kayan aikin na'urar birgima shine cimma waɗannan ƙimar tsari, yawan matsewa, saurin dawowa da tsawaitawa. A lokaci guda, ya kamata a lura cewa ba a yarda da guntu masu rauni, dunƙule masu tauri, kayan da suka faɗi, gefuna masu lanƙwasa, da sauransu a saman sandar ba, kuma ba a yarda da karyewa a cikin gibin ba. A wannan lokacin, yanayin wurin bitar: ≤23℃, danshi: ≤25%. Gaskiyar yawan kayan gargajiya na yanzu:

Amfani da compaction akai-akai:

Yawan dawowa: farfadowa gabaɗaya 2-3 μm

Ƙaramin ƙarfi: Takardar lantarki mai kyau gabaɗaya ≈1.002 ne

Bayan an kammala naɗin lantarki mai kyau, mataki na gaba shine a raba dukkan guntun lantarki zuwa ƙananan guntu masu faɗin iri ɗaya (wanda ya yi daidai da tsayin batirin). Lokacin yankewa, a kula da burgunan guntun sandar. Ya zama dole a duba guntun sandar sosai don burgunan a cikin kwatancen X da Y tare da taimakon kayan aiki masu girma biyu. Tsarin tsawon burgunan tsayi Y≤1/2 H kauri diaphragm. Zafin da ke kewaye da wurin aikin ya kamata ya zama ≤23℃, kuma wurin raɓa ya kamata ya zama ≤-30℃. Tsarin kera zanen lantarki mara kyau don zanen lantarki mara kyau na batirin lithium iri ɗaya ne da na electrodes masu kyau, amma ƙirar tsarin ya bambanta. Zafin da ke kewaye da wurin aikin ya kamata ya zama ≤23℃ kuma danshi ya kamata ya zama ≤25%. Yawan kayan lantarki mara kyau na yau da kullun:

Matsewar lantarki mara kyau da aka saba amfani da ita: Yawan dawowa: Jimlar dawowa 4-8um Tsawo: Faranti mai kyau gabaɗaya ≈ 1.002 Tsarin samar da cirewar lantarki mai kyau ta batirin lithium yana kama da tsarin cirewar lantarki mai kyau, kuma duka suna buƙatar sarrafa burrs a cikin alkiblar X da Y. Ya kamata zafin wurin aikin ya zama ≤23℃, kuma wurin raɓa ya kamata ya zama ≤-30℃. Bayan farantin mai kyau ya shirya a cire shi, farantin mai kyau yana buƙatar a busar da shi (120°C), sannan a haɗa takardar aluminum a naɗe shi. A lokacin wannan tsari, ana buƙatar la'akari da tsawon shafi da faɗin ƙira. Idan aka ɗauki ƙirar **650 (kamar batirin 18650) a matsayin misali, ƙirar da ke ɗauke da shafuka da aka fallasa galibi shine la'akari da haɗin gwiwar da ya dace na shafuka na cathode yayin walda murfi da na'urar birgima. Idan shafuka na sandar sun bayyana na dogon lokaci, gajeriyar da'ira na iya faruwa cikin sauƙi tsakanin shafuka na sandar da harsashin ƙarfe yayin aikin birgima. Idan madaurin ya yi gajere sosai, ba za a iya haɗa murfin ba. A halin yanzu, akwai nau'ikan kawunan walda na ultrasonic guda biyu: layi da siffa mai maki. Tsarin gida galibi yana amfani da kawunan walda masu layi saboda la'akari da yawan wutar lantarki da ƙarfin walda. Bugu da ƙari, ana amfani da manne mai zafi don rufe shafukan walda, musamman don guje wa haɗarin gajerun da'irori da ke haifar da burrs na ƙarfe da tarkacen ƙarfe. Ya kamata zafin jiki na wurin aikin ya zama ≤23℃, wurin raɓa ya kamata ya zama ≤-30℃, kuma yawan danshi na cathode ya kamata ya zama ≤500-1000ppm.

Shiri na Farantin Mara KyauAna buƙatar a busar da farantin mara kyau (105-110°C), sannan a haɗa zanen nickel a haɗa su. Tsawon shafin mai solder da faɗin tsari suma suna buƙatar a yi la'akari da su. Ya kamata zafin wurin aiki ya zama ≤23℃, wurin raɓa ya kamata ya zama ≤-30℃, kuma danshi na lantarki mara kyau ya kamata ya zama ≤500-1000ppm. Naɗewa shine a naɗe mai rabawa, takardar lantarki mai kyau da takardar lantarki mara kyau a cikin tsakiyar ƙarfe ta hanyar injin naɗewa. Ka'idar ita ce a naɗe mai kyau da lantarki mara kyau, sannan a raba mai kyau da lantarki mara kyau ta hanyar mai rabawa. Tunda na'urar lantarki mara kyau ta tsarin gargajiya ita ce na'urar sarrafawa ta ƙirar baturi, ƙirar ƙarfin ta fi ta na'urar lantarki mai kyau, don haka yayin caji na tsari, ana iya adana Li+ na na'urar lantarki mai kyau a cikin "ɓataccen" na na'urar lantarki mara kyau. Ya kamata a ba da kulawa ta musamman ga tashin hankali da tsarin guntu lokacin naɗewa. Ƙaramin tashin hankali mai naɗewa zai shafi juriya ta ciki da ƙimar shigar da gida. Tsananin da ke wuce gona da iri na iya haifar da haɗarin gajeren da'ira ko guntuwar da'ira. Daidaitawa yana nufin matsayin da ke tsakanin na'urar lantarki mara kyau, na'urar lantarki mai kyau, da kuma na'urar rabawa. Faɗin na'urar lantarki mara kyau shine 59.5 mm, na'urar lantarki mai kyau shine 58 mm, kuma na'urar rabawa shine 61 mm. An daidaita su ukun yayin kunnawa don gujewa haɗarin gajerun da'ira. Tsananin da ke juyawa gabaɗaya yana tsakanin 0.08-0.15Mpa ga na'urar tushe mai kyau, 0.08-0.15Mpa ga na'urar tushe mai kyau, 0.08-0.15Mpa ga na'urar tushe mai girma, da kuma 0.08-0.15Mpa ga na'urar tushe mai girma. Daidaitawa ta musamman ta dogara ne akan kayan aiki da tsari. Zafin yanayi na wannan bita shine ≤23℃, wurin raɓa shine ≤-30℃, kuma abun da ke cikin danshi shine ≤500-1000ppm.

Kafin a shigar da tsakiyar batirin da aka saka a cikin akwati, ana buƙatar gwajin Hi-Pot na 200~500V (don gwada ko batirin mai ƙarfin lantarki yana da ɗan gajeren zagaye), kuma ana buƙatar yin amfani da injin tsabtace iska don ƙara sarrafa ƙura kafin a shigar da shi a cikin akwati. Manyan wuraren sarrafawa guda uku na batirin lithium sune danshi, burrs da ƙura. Bayan an kammala aikin da ya gabata, saka ƙasan gasket a cikin ƙasan tsakiyar batirin, lanƙwasa takardar lantarki mai kyau ta yadda saman zai fuskanci ramin da ke lanƙwasa tsakiyar batirin, sannan a saka shi a tsaye cikin harsashin ƙarfe ko harsashin aluminum. Misali, diamita na waje ≈ 18mm + tsayi ≈ 71.5mm. Lokacin da yankin giciye na tsakiyar rauni ya fi ƙanƙanta fiye da yankin giciye na ciki na akwatin ƙarfe, ƙimar shigar da akwatin ƙarfe shine kusan 97% zuwa 98.5%. Domin ƙimar dawowar ɓangaren sandar da matakin shigar ruwa yayin allurar daga baya dole ne a yi la'akari da shi. Tsarin iri ɗaya da rufin saman ya haɗa da haɗa saman rufin. Zafin yanayi na wurin aikin ya kamata ya zama ≤23℃, kuma wurin raɓa ya kamata ya zama ≤-40℃.

Mirginayana saka fil ɗin solder (yawanci ana yin sa da tagulla ko ƙarfe) a tsakiyar tsakiyar solder ɗin. Filayen walda da aka saba amfani da su sune Φ2.5*1.6mm, kuma ƙarfin walda na electrode mara kyau ya kamata ya zama ≥12N don cancanta. Idan ya yi ƙasa sosai, zai iya haifar da solder ta kama-da-wane da juriya ta ciki mai yawa. Idan ya yi yawa, yana da sauƙi a liƙa layin nickel a saman harsashin ƙarfe, wanda ke haifar da haɗin solder, wanda ke haifar da haɗari kamar tsatsa da zubewa. Fahimtar sauƙin mirgina rami shine a gyara tsakiyar batirin rauni akan kabad ba tare da girgiza ba. A cikin tsarin kera wannan batirin lithium, ya kamata a ba da kulawa ta musamman ga daidaitawar saurin fitarwa mai wucewa da saurin matsi na tsayi don guje wa yanke kabad ɗin a cikin saurin wucewa mai yawa, kuma layin nickel na ginshiƙin zai faɗi idan saurin tsayi ya yi sauri sosai ko kuma tsayin ginshiƙin zai shafi kuma hatimin zai shafi. Ya zama dole a duba ko ƙimar tsari don zurfin tsagi, faɗaɗawa da tsayin tsagi sun dace da ƙa'idodi (ta hanyar lissafin aiki da na ka'ida). Girman murhu na yau da kullun shine 1.0, 1.2 da 1.5 mm. Bayan an kammala ramin birgima, ana buƙatar sake tsabtace dukkan injin don guje wa tarkacen ƙarfe. Ya kamata matakin injin ya zama ≤-0.065Mpa, kuma lokacin yin amfani da injin ya kamata ya zama 1~2s. Bukatun zafin jiki na wannan bitar shine ≤23℃, kuma wurin raɓa shine ≤-40℃. Yin burodin tsakiyar batirin Bayan an birgima da kuma lanƙwasa zanen batirin silinda, tsarin samar da batirin lithium na gaba yana da matuƙar mahimmanci: yin burodi. A lokacin samar da ƙwayoyin batirin, ana shigar da wani adadin danshi. Idan ba za a iya sarrafa danshi a cikin daidaitaccen lokaci ba, aikin da amincin batirin zai shafi aikin da amincin batirin. Gabaɗaya, ana amfani da tanda mai amfani da injin don yin burodi. Shirya ƙwayoyin da za a gasa su da kyau, sanya na'urar busarwa a cikin tanda, saita sigogi, kuma ɗaga zafin zuwa 85°C (a ɗauki batirin lithium iron phosphate a matsayin misali). Ga ƙa'idodin yin burodi don takamaiman bayanai daban-daban na ƙwayoyin baturi:

Allurar RuwaTsarin kera batirin lithium ya ƙunshi gwajin danshi na ƙwayoyin batirin da aka gasa. Bayan cimma ƙa'idodin yin burodi na baya ne kawai za ku iya ci gaba zuwa mataki na gaba: allurar electrolyte. Sanya batirin da aka gasa cikin sauri a cikin akwatin safar hannu na injin, auna da yin rikodin nauyin, sanya kofin allura, sannan ƙara nauyin electrolyte da aka ƙera a cikin kofin (yawanci ana yin gwajin batirin da aka nutsar da ruwa: sanya batirin a tsakiyar kofin). Sanya tsakiyar batirin a cikin electrolyte, jiƙa shi na ɗan lokaci, gwada matsakaicin ƙarfin sha ruwa na batirin (yawanci cike ruwan bisa ga girman gwaji), sanya shi a cikin akwatin injin don yin injin tsabtace (matakin injin tsabtace ≤ -0.09Mpa), kuma hanzarta shigar electrolyte cikin electrode. Bayan zagaye da yawa, cire sassan batirin kuma ku auna su. Lissafa ko girman allurar ya cika ƙimar ƙira. Idan ya yi ƙasa, yana buƙatar a sake cika shi. Idan akwai da yawa, kawai a zubar da abin da ya wuce har sai kun cika buƙatun ƙira. Yanayin akwatin safar hannu yana buƙatar zafin jiki ≤23℃ da wurin dew ≤-45℃.

WaldaA lokacin wannan aikin kera batirin lithium, ya kamata a sanya murfin batirin a cikin akwatin safar hannu a gaba, kuma a sanya murfin baturin a kan ƙananan mold na na'urar walda da hannu ɗaya, sannan a riƙe tsakiyar batirin da ɗayan hannun. Daidaita murfin baturin da murfin ƙarshe na murfin. Bayan tabbatar da cewa murfin tabbataccen ya yi daidai da murfin ƙarshe na murfin, sai a taka injin walda na ultrasonic. Sannan a taka maɓallin ƙafa na injin walda. Bayan haka, ya kamata a duba sashin baturin sosai don duba tasirin walda na shafukan walda.

Ka lura ko shafukan solder ɗin sun daidaita.

Ja a hankali a kan shafin solder don ganin ko ya kwance.

Batura waɗanda murfin batirinsu bai yi daidai ba suna buƙatar a sake haɗa su.