Tare da saurin ci gaba nabaturi lithiummasana'antu, yanayin aikace-aikacen batirin lithium yana ci gaba da faɗaɗa kuma ya zama na'urar makamashi da babu makawa a cikin rayuwar mutane da aikinsu.Idan ya zo ga samar da tsari na musamman lithium baturi masana'antun, da lithium baturi samar tsari yafi hada da sinadaran, shafi, sheeting, shirye-shirye, winding, harsashi, mirgina, yin burodi, ruwa allura, walda, da dai sauransu Wadannan gabatar da key maki na tsarin samar da batirin lithium.Ingantattun sinadaran lantarki Kyakkyawan lantarki na baturan lithium sun ƙunshi kayan aiki, wakilai masu aiki, adhesives, da dai sauransu. Na farko, an tabbatar da albarkatun ƙasa da gasa.Gabaɗaya magana, ana buƙatar gasa wakili a ≈120 ℃ na awanni 8, kuma PVDF ɗin yana buƙatar gasa a ≈80℃ na awanni 8.Ko kayan aiki (LFP, NCM, da sauransu) suna buƙatar yin burodi da bushewa ya dogara da yanayin albarkatun ƙasa.A halin yanzu, babban taron batirin lithium yana buƙatar zazzabi ≤40 ℃ da zafi ≤25% RH.Bayan an gama bushewa, PVDF manne (PVDF ƙarfi, NMP bayani) yana buƙatar shirya a gaba.Ingancin manne PVDF yana da mahimmanci ga juriya na ciki da aikin lantarki na baturi.Abubuwan da ke shafar aikace-aikacen manne sun haɗa da zafin jiki da saurin motsawa.Mafi girman zafin jiki, launin rawaya na manne zai shafi mannewa.Idan saurin haɗuwa ya yi sauri, manne zai iya lalacewa cikin sauƙi.Takaitaccen gudun juyawa ya dogara da girman faifan watsawa.Gabaɗaya magana, saurin madaidaiciyar faifan watsawa shine 10-15m/s (dangane da kayan aiki).A wannan lokacin, ana buƙatar tanki mai haɗawa don kunna ruwan da ke gudana, kuma zafin jiki ya zama ≤30 ° C.

Ƙara slurry cathode a cikin batches.A wannan lokacin, kuna buƙatar kula da tsari na ƙara kayan aiki.Da farko ƙara kayan aiki mai aiki da wakili mai gudanarwa, motsawa a hankali, sannan ƙara manne.Hakanan dole ne a aiwatar da lokacin ciyarwa da rabon ciyarwa bisa ga tsarin samar da baturin lithium.Abu na biyu, saurin juyawa da jujjuyawar kayan aiki dole ne a sarrafa su sosai.Gabaɗaya magana, saurin madaidaiciyar watsawa yakamata ya zama sama da 17m/s.Wannan ya dogara da aikin na'urar.Masana'antun daban-daban sun bambanta sosai.Hakanan sarrafa injin da zafin jiki na haɗuwa.A wannan mataki, girman barbashi da danko na slurry suna buƙatar gano akai-akai.Girman barbashi da danko suna da alaƙa da ƙaƙƙarfan abun ciki, kaddarorin abu, jerin ciyarwa da tsarin masana'antar batirin lithium.A wannan lokacin, tsari na al'ada yana buƙatar zafin jiki ≤30 ℃, zafi ≤25% RH, da kuma digiri ≤-0.085mpa.Canja wurin slurry zuwa tanki canja wuri ko kantin fenti.Bayan an fitar da slurry waje, yana buƙatar a tantance shi.Manufar ita ce tace manyan barbashi, hazo da cire ferromagnetic da sauran abubuwa.Manyan barbashi za su yi tasiri akan rufin kuma suna iya haifar da zubar da batir fiye da kima ko haɗarin gajeriyar kewayawa;Abubuwan ferromagnetic da yawa a cikin slurry na iya haifar da zubar da kai da yawa na baturi da sauran lahani.Abubuwan da ake buƙata na wannan tsarin samar da batirin lithium sune: zazzabi ≤ 40 ° C, zafi ≤ 25% RH, girman raga na allo ≤ 100 raga, da girman barbashi ≤ 15um.

Mara kyau na lantarkiSinadaran Wutar lantarki mara kyau na baturin lithium ya ƙunshi abu mai aiki, wakili mai ɗaure, ɗaure da watsawa.Na farko, tabbatar da albarkatun kasa.Tsarin anode na al'ada shine tsarin hadawa na tushen ruwa (mai narkewa shine ruwa mai narkewa), don haka babu buƙatun bushewa na musamman don albarkatun ƙasa.Tsarin samar da baturi na lithium yana buƙatar daɗaɗɗen ruwa ya zama ≤1us/cm.Bukatun bita: zazzabi ≤40 ℃, zafi ≤25% RH.Shirya manne.Bayan an ƙayyade albarkatun ƙasa, dole ne a fara shirya manne (wanda ya ƙunshi CMC da ruwa).A wannan gaba, zuba graphite C da wakili na gudanarwa a cikin mahaɗin don busassun hadawa.Ana ba da shawarar kada a cire ruwa ko kunna ruwa mai kewayawa, saboda ana fitar da ɓangarorin, ana shafa su da zafi yayin haɗuwa da bushewa.Matsakaicin saurin juyawa shine ƙananan gudu 15 ~ 20rpm, zazzagewa da sake zagayowar niƙa shine sau 2-3, kuma lokacin tazara shine ≈15min.Zuba manne a cikin mahaɗin kuma fara vacuuming (≤-0.09mpa).Matse robar a ƙananan gudu na 15 ~ 20rpm na sau 2, sannan daidaita saurin (ƙananan gudun 35rpm, babban gudun 1200 ~ 1500rpm), kuma gudu don kimanin 15min ~ 60min bisa ga tsarin rigar kowane masana'anta.A ƙarshe, zuba SBR a cikin blender.Ana ba da shawarar motsawar ƙarancin gudu kamar yadda SBR shine polymer mai tsayi mai tsayi.Idan saurin jujjuyawar ya yi sauri na dogon lokaci, sarkar kwayoyin za ta karye cikin sauki kuma ta rasa aiki.Ana ba da shawarar yin motsawa a ƙananan gudun 35-40rpm da babban gudun 1200-1800rpm na minti 10-20.Gwaji danko (2000 ~ 4000 mPa.s), girman barbashi (35um≤), m abun ciki (40-70%), injin digiri da allo raga (≤100 raga).Ƙimar tsari ta ƙayyadaddun za su bambanta dangane da kaddarorin jiki na kayan da tsarin hadawa.Taron yana buƙatar zazzabi ≤30 ℃ da zafi ≤25% RH.Rufe cathode Shafi Tsarin kera baturi na lithium yana nufin extruding ko fesa slurry na cathode akan saman AB na mai tarawa na aluminium, tare da girman farfajiya ɗaya na ≈20 ~ 40 mg / cm2 (nau'in baturi na lithium na ternary).Yawan zafin jiki na tanderun yana sama da ƙulli 4 zuwa 8, kuma ana daidaita zafin yin burodi na kowane sashe tsakanin 95 ° C da 120 ° C bisa ga ainihin buƙatun don guje wa ɓarnawar ɓarna da ɗigon ƙarfi yayin yin burodi.Matsakaicin saurin abin nadi na canja wuri shine 1.1-1.2, kuma an rage matsayin tazarar ta 20-30um don gujewa wuce kima na matsayi na lakabin saboda wutsiya yayin hawan keken baturi, wanda zai iya haifar da hazo lithium.Rufe danshi ≤2000-3000ppm (dangane da abu da tsari).Madaidaicin zafin jiki na lantarki a cikin bitar shine ≤30 ℃ kuma zafi shine ≤25%.Tsarin tsari shine kamar haka: Tsarin tsari na tef ɗin rufewa

Thekera batirin lithiumtsari nakorau shafi na lantarkiyana nufin extruding ko fesa slurry mara kyau na lantarki akan saman AB na mai tarawa na yanzu.Single surface yawa ≈ 10 ~ 15 mg/cm2.A shafi tanderu zafin jiki kullum yana 4-8 sassan (ko fiye), da yin burodi zafin jiki na kowane sashe ne 80 ℃ ~ 105 ℃.Ana iya daidaita shi bisa ga ainihin buƙatun don guje wa fasar yin burodi da ɓarna mai jujjuyawa.Matsakaicin saurin canja wurin abin nadi shine 1.2-1.3, rata yana bakin ciki 10-15um, maida hankali ga fenti shine ≤3000ppm, zafin wutar lantarki mara kyau a cikin taron shine ≤30 ℃, kuma zafi shine ≤25%.Bayan tabbataccen murfin farantin mai kyau ya bushe, drum ɗin yana buƙatar daidaitawa a cikin lokacin aiwatarwa.Ana amfani da abin nadi don ƙaddamar da takardar lantarki (yawan suturar kowace juzu'in raka'a).A halin yanzu, akwai ingantattun hanyoyin latsawa na lantarki guda biyu a cikin tsarin kera batirin lithium: latsa zafi da latsa sanyi.Idan aka kwatanta da latsa sanyi, matsi mai zafi yana da ƙarami mafi girma da ƙananan koma baya.Koyaya, tsarin latsa sanyi yana da sauƙin sauƙi kuma mai sauƙin aiki da sarrafawa.Babban kayan aiki na abin nadi shine don cimma dabi'un tsari masu zuwa, ƙarancin ƙima, ƙimar dawowa da haɓakawa.A lokaci guda kuma, ya kamata a lura da cewa ba a ba da izini ga guntun guntun guntuwa, dunƙule masu wuya, kayan da suka fadi, gefuna masu ɗorewa, da sauransu.A wannan lokacin, yanayin yanayin bitar: ≤23 ℃, zafi: ≤25%.Haƙiƙanin yawa na kayan yau da kullun na yau da kullun:

Ƙunƙarar da aka fi amfani da ita:

Matsakaicin dawowa: gabaɗaya 2-3 μm

Tsawaitawa: Tabbataccen takardar lantarki gabaɗaya ≈1.002

Bayan an gama ingantacciyar nadi na lantarki, mataki na gaba shine a raba duk yanki na lantarki zuwa ƙananan filaye masu faɗi ɗaya (daidai da tsayin baturi).Lokacin slitting, kula da burrs na igiya yanki.Wajibi ne a bincika gabaɗaya guntun sandar don burrs a cikin kwatancen X da Y tare da taimakon kayan aiki mai girma biyu.Tsayin tsayin burr mai tsayi Y≤1/2 H kaurin diaphragm.Yanayin yanayin yanayin bitar ya kamata ya zama ≤23 ℃, kuma raɓa ya zama ≤-30 ℃.Tsarin masana'anta na zanen gadon lantarki mara kyau don lithium baturi korau zanen lantarki iri ɗaya ne da na na'urori masu inganci, amma ƙirar tsari ya bambanta.Yanayin yanayin yanayin bitar ya kamata ya zama ≤23 ℃ kuma zafi ya zama ≤25%.Gaskiya yawa na gama-gari na kayan lantarki mara kyau:

Abubuwan da aka saba amfani da su na rashin ƙarfi na lantarki: Ƙaddamarwa: Gabaɗaya rebound 4-8um elongation: Kyakkyawan farantin gabaɗaya ≈ 1.002 Tsarin samar da batirin lithium tabbataccen igiyar lantarki yana kama da ingantaccen tsarin tsiri lantarki, kuma duka biyun suna buƙatar sarrafa burrs a cikin X da Hanyar Y.Yanayin yanayin yanayin bitar ya kamata ya zama ≤23 ℃, kuma raɓa ya zama ≤-30 ℃.Bayan an shirya farantin mai kyau don cirewa, ana buƙatar busasshiyar farantin mai kyau (120 ° C), sa'an nan kuma a nannade takardar aluminum da kuma kunshe.Yayin wannan tsari, ana buƙatar la'akari da tsayin shafin da faɗin gyare-gyare.Ɗaukar ƙirar ** 650 (kamar baturi na 18650) a matsayin misali, ƙirar tare da shafuka da aka fallasa shine galibi don yin la'akari da madaidaicin haɗin gwiwa na shafukan cathode yayin waldawar hula da mirgine tsagi.Idan an fallasa shafukan sanda na dogon lokaci, gajeriyar kewayawa na iya kasancewa cikin sauƙi tsakanin igiyoyin sandar sanda da harsashi na ƙarfe yayin aikin birgima.Idan luggon ya yi tsayi da yawa, ba za a iya siyar da hular ba.A halin yanzu, akwai nau'ikan kawunan walda na ultrasonic iri biyu: madaidaiciya da siffa mai ma'ana.Matakan cikin gida galibi suna amfani da kawunan walda na layi saboda la'akari da wuce gona da iri da ƙarfin walda.Bugu da ƙari, ana amfani da manne mai zafin jiki don rufe wuraren sayar da kayayyaki, musamman don guje wa haɗarin gajerun da'irori da ke haifar da burbushin ƙarfe da tarkace.Yanayin zafin jiki na taron ya kamata ya zama ≤23 ℃, raɓa ya zama ≤-30 ℃, kuma abun ciki na cathode ya zama ≤500-1000ppm.

Shiri Mai KyauAna buƙatar busasshiyar farantin mara kyau (105-110 ° C), sa'an nan kuma an yi amfani da zanen nickel kuma an haɗa su.Tsawon shafin solder da faɗin kafa kuma yana buƙatar la'akari.Yanayin zafin jiki na taron ya kamata ya zama ≤23 ℃, wurin raɓa ya zama ≤-30 ℃, kuma abun ciki na gurɓataccen lantarki ya zama ≤500-1000ppm.Winding shine don hura mai rarrabawa, takaddar lantarki mai inganci da takaddar lantarki mara kyau a cikin tsakiyar ƙarfe ta injin iska.Ka'idar ita ce a nannade ingantacciyar wutar lantarki tare da na'urar da ba ta dace ba, sannan a raba na'urori masu inganci da korau ta hanyar rarrabawa.Tun da korau electrode na gargajiya tsarin ne mai kula da lantarki zane na baturi zane, iya aiki zane ne mafi girma fiye da na tabbatacce lantarki, don haka da cewa a lokacin samuwar caji, da Li + na tabbatacce lantarki za a iya adana a cikin "wurin zama" na da korau lantarki.Ana buƙatar kulawa ta musamman ga tashin hankali mai jujjuyawa da tsarin yanki na sandar sanda lokacin da ake yin iska.Ƙananan tashin hankali na iska zai shafi juriya na ciki da ƙimar shigar gidaje.Matsanancin tashin hankali na iya haifar da haɗarin gajeriyar kewayawa ko guntuwa.Daidaitawa yana nufin matsayin dangi mara kyau na lantarki, tabbataccen lantarki, da mai rarrabawa.Nisa daga cikin korau electrode ne 59.5 mm, tabbatacce lantarki ne 58 mm, da SEPARATOR - 61 mm.Su ukun suna daidaita yayin sake kunnawa don gujewa haɗarin gajerun kewayawa.Tashin hankali gabaɗaya yana tsakanin 0.08-0.15Mpa don ingantaccen sandar sanda, 0.08-0.15Mpa don sanda mara kyau, 0.08-0.15Mpa don diaphragm na sama, da 0.08-0.15Mpa don ƙaramin diaphragm.Takamaiman gyare-gyare sun dogara da kayan aiki da tsari.Yanayin zafin jiki na wannan bita shine ≤23 ℃, raɓa shine ≤-30 ℃, kuma abun ciki na danshi shine ≤500-1000ppm.

Kafin shigar da ainihin baturi mai harka a cikin akwati, ana buƙatar gwajin Hi-Pot na 200 ~ 500V (don gwada ko babban baturin yana da gajeren kewayawa), kuma ana buƙatar cirewa don ƙara sarrafa ƙura kafin a shigar da shi a ciki. lamarin.Manyan wuraren sarrafawa guda uku na batirin lithium sune danshi, bursu da kura.Bayan kammala aikin da aka yi a baya, sai a saka ƙananan gasket ɗin a cikin kasan ainihin baturin, lanƙwasa tabbataccen takardar lantarki ta yadda saman ya fuskanci fil ɗin batir core winding pinhole, sannan a saka shi a tsaye a cikin harsashi na karfe ko aluminum.Ɗaukar nau'in 18650 a matsayin misali, diamita na waje ≈ 18mm + tsawo ≈ 71.5mm.Lokacin da yankin giciye na jijiyar rauni ya fi ƙanƙanta fiye da ɓangaren ɓangaren ɓangaren ƙarfe na ciki, adadin shigar da ƙarfe yana kusan 97% zuwa 98.5%.Saboda darajar koma baya na guntun sandar da matakin shigar ruwa yayin allura daga baya dole ne a yi la'akari da shi.Irin wannan tsari kamar yadda aka yi a saman ƙasa ya haɗa da haɗuwa na saman ƙasa.Yanayin yanayin yanayin taron ya kamata ya zama ≤23 ℃, kuma raɓa ya zama ≤-40 ℃.

Mirginayana shigar da fil ɗin solder (yawanci ana yin shi da jan ƙarfe ko gami) cikin tsakiyar abin siyar.Fil ɗin walda da aka saba amfani da su sune Φ2.5*1.6mm, kuma ƙarfin walda na mummunan lantarki ya kamata ya zama ≥12N don cancanta.Idan ya yi ƙasa da ƙasa, zai iya haifar da kama-da-wane soldering da wuce kima na ciki juriya.Idan ya yi tsayi da yawa, yana da sauƙi a sassare Layer nickel da ke saman harsashin ƙarfe, wanda ke haifar da haɗin gwiwa, wanda ke haifar da haɗarin ɓoye kamar tsatsa da zubewa.Sauƙaƙan fahimtar mirgina tsagi shine gyara ainihin baturin rauni akan murfi ba tare da girgiza ba.A cikin tsarin kera wannan baturi na lithium, ya kamata a ba da kulawa ta musamman ga madaidaicin saurin extrusion na tsaka-tsaki da saurin latsawa na tsayi don guje wa yanke casing da saurin juzu'i mai yawa, kuma layin nickel na darajan zai faɗi idan ya faɗi. gudun madaidaicin yana da sauri sosai ko kuma tsayin darajan zai yi tasiri kuma abin rufewa zai shafi.Wajibi ne don bincika ko ƙimar tsari don zurfin tsagi, tsawo da tsayin tsagi sun bi ka'idodi (ta hanyar ƙididdigewa da ƙididdigewa).Girman hob na gama gari shine 1.0, 1.2 da 1.5 mm.Bayan an gama birgima, duk injin ɗin yana buƙatar sake sharewa don guje wa tarkacen ƙarfe.Matsakaicin matakin ya zama ≤-0.065Mpa, kuma lokacin vacuuming ya zama 1 ~ 2s.Abubuwan zafin yanayi na yanayi na wannan bita sune ≤23 ℃, kuma raɓa shine ≤-40 ℃.Batir core yin burodi Bayan an mirgina zanen batirin silindari da nitsewa, tsarin samar da batirin lithium na gaba yana da mahimmanci: yin burodi.A lokacin samar da ƙwayoyin baturi, an ƙaddamar da wani adadin danshi.Idan ba za a iya sarrafa danshi a cikin daidaitaccen kewayon lokaci ba, aikin da amincin baturin zai yi tasiri sosai.Gabaɗaya, ana amfani da tanda ta atomatik don yin burodi.Shirya ƙwayoyin da za a gasa su da kyau, saka mai bushewa a cikin tanda, saita sigogi, kuma ɗaga zafin jiki zuwa 85 ° C (ɗaukar lithium iron phosphate baturi a matsayin misali).Waɗannan su ne ƙa'idodin yin burodi don ƙayyadaddun bayanai daban-daban na ƙwayoyin baturi:

Allurar LiquidTsarin kera batirin lithium ya ƙunshi gwajin zafi na ƙwayoyin baturi da aka toya.Sai kawai bayan kai ka'idodin yin burodi na baya za ku iya ci gaba zuwa mataki na gaba: allurar electrolyte.Da sauri saka batir ɗin da aka toya a cikin akwatin safar hannu, auna da yin rikodin nauyin, saka kofin allura, sannan a ƙara nauyin da aka ƙera na electrolyte a cikin kofin (yawanci ana yin gwajin baturi mai ruwa: saka baturin a cikin kofin. tsakiya).Saka ainihin baturin a cikin electrolyte, jiƙa shi na ɗan lokaci, gwada iyakar ƙarfin shayar ruwa na baturin (yawanci cika ruwa bisa ga ƙarar gwaji), saka shi a cikin akwati mai tsabta don cirewa (digiri ≤ - vacuum). 0.09Mpa), da kuma hanzarta shigar da electrolyte cikin lantarki.Bayan zagayawa da yawa, cire guntun baturin kuma auna su.Yi ƙididdige ko ƙarar allurar ta dace da ƙimar ƙira.Idan ya rage, yana buƙatar sake cika shi.Idan akwai da yawa, kawai zubar da abin da ya wuce har sai kun hadu da bukatun ƙira.Yanayin akwatin safar hannu yana buƙatar zafin jiki ≤23 ℃ da raɓa ≤-45 ℃.

WaldaA yayin wannan aikin kera batirin lithium, yakamata a sanya murfin baturin a cikin akwatin safar hannu a gaba, sannan a gyara murfin baturin akan ƙananan injin ɗin na walda da hannu ɗaya, sannan a riƙe ainihin baturin tare da ɗayan. hannu.Daidaita madaidaicin sandar tantanin halitta tare da madaidaicin murfin murfin.Bayan tabbatar da cewa ingantacciyar tashar tashar tashar ta daidaita tare da madaidaicin madauri, taka kan na'urar walda ta ultrasonic.Sa'an nan kuma taka madaidaicin ƙafar injin walda.Bayan haka, yakamata a bincika naúrar baturin gabaɗaya don bincika tasirin walda na shafuka masu siyarwa.

Duba ko shafukan saida sun daidaita.

Ja a hankali akan shafin saida don ganin ko sako-sako ne.

Batura waɗanda murfin baturin basu da ƙarfi suna buƙatar sake walda su.