Hamwe niterambere ryihuse ryaBatiriinganda, ikoreshwa rya bateri ya lithium ikomeje kwaguka no kuba igikoresho cyingirakamaro mubuzima bwabantu nakazi kabo.Iyo bigeze kubikorwa byo gukora bateri ya lithium yabigenewe, inzira ya batiri ya lithium ikubiyemo cyane cyane ibiyigize, gutwikira, kumpapuro, gutegura, guhinduranya, ibisasu, kuzunguruka, guteka, gutera inshinge, gusudira, nibindi bikurikira birerekana ingingo zingenzi za inzira ya batiri ya lithium.Ibikoresho byiza bya electrode nziza ya electrode nziza ya bateri ya lithium igizwe nibikoresho bikora, ibikoresho bitwara ibintu, ibifata, nibindi. Icya mbere, ibikoresho fatizo byemejwe kandi bitetse.Muri rusange, umukozi ushinzwe kuyobora agomba gutekwa kuri 12020 ℃ mumasaha 8, kandi PVDF yometseho igomba gutekwa kuri ≈80 ℃ mumasaha 8.Niba ibikoresho bikora (LFP, NCM, nibindi) bisaba guteka no gukama biterwa nuko ibikoresho bibisi bimeze.Kugeza ubu, amahugurwa rusange ya lithium akenera ubushyuhe ≤40 ℃ nubushuhe ≤25% RH.Nyuma yo kumisha birangiye, kole ya PVDF (igisubizo cya PVDF, igisubizo cya NMP) igomba gutegurwa mbere.Ubwiza bwa kole ya PVDF nibyingenzi mukurwanya imbere no gukora amashanyarazi ya bateri.Ibintu bigira ingaruka kumikoreshereze ya kole harimo ubushyuhe no kwihuta.Ubushyuhe buri hejuru, umuhondo wa kole uzagira ingaruka kuri adhesion.Niba umuvuduko wo kuvanga wihuta cyane, kole irashobora kwangirika byoroshye.Umuvuduko wihariye wo kuzenguruka biterwa nubunini bwa disiki yatatanye.Muri rusange, umuvuduko wumurongo wa disikuru ikwirakwizwa ni 10-15m / s (ukurikije ibikoresho).Muri iki gihe, ikigega cyo kuvanga kirasabwa gufungura amazi azenguruka, kandi ubushyuhe bugomba kuba ≤30 ° C.

Ongeramo cathode slurry mubice.Muri iki gihe, ugomba kwitondera gahunda yo kongeramo ibikoresho.Banza wongere ibikoresho bifatika hamwe nuyobora ibintu, koga buhoro, hanyuma ongeramo kole.Igihe cyo kugaburira no kugaburira bigomba no gushyirwa mubikorwa ukurikije inzira ya batiri ya lithium.Icya kabiri, umuvuduko wo kuzunguruka n'umuvuduko wibikoresho bigomba kugenzurwa cyane.Muri rusange, umuvuduko ukwirakwiza umurongo ugomba kuba hejuru ya 17m / s.Ibi biterwa nimikorere yigikoresho.Inganda zitandukanye ziratandukanye cyane.Igenzura kandi icyuho n'ubushyuhe bwo kuvanga.Kuri iki cyiciro, ingano yubunini hamwe nubukonje bwibisebe bigomba kumenyekana buri gihe.Ingano yubunini hamwe nubwiza bifitanye isano rya bugufi nibintu bikomeye, ibintu bifatika, kugaburira hamwe nuburyo bwo gukora batiri ya lithium.Muri iki gihe, inzira isanzwe isaba ubushyuhe ≤30 ℃, ubuhehere ≤25% RH, na dogere ya vacuum ≤-0.085mpa.Kwimura ibishishwa mu kigega cyoherejwe cyangwa iduka.Nyuma yo kwimura hanze, igomba gusuzumwa.Ikigamijwe ni ugushungura ibice binini, kugwa no gukuraho ferromagnetic nibindi bintu.Ibice binini bizagira ingaruka kuri coating kandi birashobora gutera kwikuramo birenze urugero bya bateri cyangwa ibyago byo kuzunguruka bigufi;ibikoresho byinshi bya ferromagnetic mubitotsi birashobora gutera kwikuramo birenze urugero bya bateri nizindi nenge.Ibikorwa bisabwa muriyi mikorere ya batiri ya lithium ni: ubushyuhe ≤ 40 ° C, ubushuhe ≤ 25% RH, ubunini bwa mesh ya ecran ≤ 100 mesh, nubunini buke ≤ 15um.

Electrode mbiibiyigize Electrode mbi ya batiri ya lithium igizwe nibikoresho bifatika, umukozi ukora, binder na dispersant.Ubwa mbere, wemeze ibikoresho bibisi.Sisitemu ya anode gakondo nuburyo bwo kuvanga bushingiye kumazi (solvent ni deionised water), kubwibyo rero nta byangombwa byihariye byo gukama kubikoresho fatizo.Uburyo bwa batiri ya lithium isaba ubworoherane bwamazi ya deioni kuba ≤1us / cm.Ibisabwa mu mahugurwa: ubushyuhe ≤40 ℃, ubuhehere ≤25% RH.Tegura kole.Nyuma yo kumenya ibikoresho fatizo, kole (igizwe na CMC namazi) igomba kubanza gutegurwa.Kuri iyi ngingo, suka igishushanyo cya C hamwe nuyobora ibintu muri mixer yo kuvanga byumye.Birasabwa kutavunika cyangwa gufungura amazi azenguruka, kubera ko ibice bisohoka, bigasukurwa kandi bigashyuha mugihe cyo kuvanga byumye.Umuvuduko wo kuzunguruka ni umuvuduko muke 15 ~ 20rpm, gusiba no gusya ni inshuro 2-3, naho umwanya uri hagati ya 15 min.Suka kole muri mixer hanyuma utangire vacuuming (≤-0.09mpa).Kata reberi kumuvuduko muke wa 15 ~ 20rpm inshuro 2, hanyuma uhindure umuvuduko (umuvuduko muke 35rpm, umuvuduko mwinshi 1200 ~ 1500rpm), hanyuma ukore nka 15min ~ 60min ukurikije inzira itose ya buriwukora.Hanyuma, suka SBR muri blender.Kwihuta gukurura birasabwa kuko SBR numuyoboro muremure wa polymer.Niba umuvuduko wo kuzunguruka wihuta cyane mugihe kirekire, urunigi rwa molekile ruzavunika byoroshye kandi rutakaza ibikorwa.Birasabwa kubyutsa umuvuduko muke wa 35-40rpm n'umuvuduko mwinshi wa 1200-1800rpm muminota 10-20.Kwipimisha ibizamini (2000 ~ 4000 mPa.s), ingano yingingo (35um≤), ibirimo bikomeye (40-70%), impamyabumenyi ya vacuum na mesh ya ecran (m100 mesh).Indangagaciro zihariye zizatandukana bitewe nibintu bifatika byibintu hamwe no kuvanga.Amahugurwa akenera ubushyuhe ≤30 ℃ nubushuhe ≤25% RH.Ipfunyika ya cathode Igikoresho cyo gukora batiri ya lithium bivuga gusohora cyangwa gutera ibiti bya cathode hejuru ya AB hejuru ya aluminiyumu ikusanya, hamwe n'ubucucike bumwe bwa ≈20 ~ 40 mg / cm2 (ubwoko bwa batiri ya lithium).Ubushyuhe bw'itanura muri rusange buri hejuru y’amapfundo 4 kugeza kuri 8, kandi ubushyuhe bwo guteka bwa buri gice burahinduka hagati ya 95 ° C na 120 ° C ukurikije ibikenewe byukuri kugirango wirinde gucamo ibice no gutonyanga kumashanyarazi mugihe cyo guteka.Ihererekanyabubasha ryihuta ryikigereranyo ni 1.1-1.2, kandi umwanya wicyuho uragabanukaho 20-30um kugirango wirinde gukabya gukabije kumwanya wikimenyetso kubera umurizo mugihe cyamagare ya bateri, bishobora gutera imvura ya lithium.Ubushuhe bwo gutwikira ≤2000-3000ppm (ukurikije ibintu nibikorwa).Ubushyuhe bwiza bwa electrode mumahugurwa ni ≤30 ℃ nubushuhe ni ≤25%.Igishushanyo mbonera ni iki gikurikira: Igishushanyo mbonera cya kaseti

Uwitekagukora batiriinzira yaamashanyarazi ya electrodebivuga gusohora cyangwa gutera ibiti bibi bya electrode hejuru ya AB hejuru yumuringa wumuringa.Ubucucike bwubuso bumwe ≈ 10 ~ 15 mg / cm2.Ubushyuhe bwo gutwika itanura muri rusange bufite ibice 4-8 (cyangwa birenga), naho ubushyuhe bwo guteka bwa buri gice ni 80 ℃ ~ 105 ℃.Irashobora guhindurwa ukurikije ibikenewe kugirango wirinde guteka no gutobora.Ikigereranyo cyo kwimura umuvuduko ni 1.2-1.3, icyuho cyaragabanutse 10-15um, irangi ryamabara ni 0003000ppm, ubushyuhe bubi bwa electrode mumahugurwa ni ≤30 and, nubushuhe ni ≤25%.Nyuma yo gutwikira neza isahani nziza yumye, ingoma igomba guhuzwa mugihe cyibikorwa.Uruziga rukoreshwa muguhuza urupapuro rwa electrode (ubwinshi bwimyambarire yubunini).Kugeza ubu, hari uburyo bubiri bwiza bwo gukanda electrode muburyo bwo gukora bateri ya lithium: gukanda bishyushye no gukonjesha.Ugereranije no gukonjesha, gukanda bishyushye bifite compaction nyinshi nigipimo cyo kugabanuka.Nyamara, uburyo bwo gukonjesha bukonje biroroshye kandi byoroshye gukora no kugenzura.Ibikoresho nyamukuru bya roller nugushikira indangagaciro zikurikira, ubwinshi bwikigereranyo, igipimo cyo kongera no kuramba.Muri icyo gihe, twakagombye kumenya ko uduce duto duto, ibibyimba bikomeye, ibikoresho byaguye, impande zombi, nibindi bitemewe hejuru yinkoni yinkoni, kandi kuvunika ntibyemewe mubyuho.Muri iki gihe, ubushyuhe bwibidukikije bwamahugurwa: ≤23 ℃, ubuhehere: ≤25%.Ubucucike nyabwo bwibikoresho bisanzwe:

Gukoresha bisanzwe:

Igipimo cyo kwisubiraho: rusange kugaruka 2-3 mkm

Kurambura: Urupapuro rwiza rwa electrode ni rusange .00.002

Nyuma yumuzingo mwiza wa electrode urangiye, intambwe ikurikira ni ukugabanya electrode yose mo ibice bito byubugari bumwe (bihuye nuburebure bwa bateri).Mugihe ucagaguye, witondere burrs ya pole.Birakenewe kugenzura byimazeyo ibice bya pole ya burrs mu cyerekezo cya X na Y hifashishijwe ibikoresho bibiri.Uburebure bwa burr burebure Y≤1 / 2 H diaphragm.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 and, naho ikime kigomba kuba ≤-30 ℃.Igikorwa cyo gukora impapuro zitari nziza za electrode kumashanyarazi ya lithium mbi ya electrode yamashanyarazi ni kimwe na electrode nziza, ariko igishushanyo mbonera kiratandukanye.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 ℃ nubushuhe bugomba kuba ≤25%.Ubucucike nyabwo bwibikoresho bisanzwe bya electrode:

Ubusanzwe ikoreshwa rya electrode itari nziza: Igipimo cyo kwisubiramo: Rusange rusange 4-8um Kurambura: Isahani nziza muri rusange ≈ 1.002 Uburyo bwo gukora bateri ya lithium bateri nziza ya electrode yambuwe isa nuburyo bwiza bwo kwambura electrode, kandi byombi bigomba kugenzura burr muri X na Y icyerekezo.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 and, naho ikime kigomba kuba ≤-30 ℃.Isahani nziza imaze kwitegura kwamburwa, isahani nziza igomba gukama (120 ° C), hanyuma urupapuro rwa aluminiyumu rurasudwa hanyuma rukapakirwa.Muri iki gikorwa, uburebure bwa tab hamwe nubugari bugomba gusuzumwa.Dufashe urugero rwa ** 650 (nka bateri ya 18650), igishushanyo hamwe na tabs zerekanwe ni ugusuzuma cyane cyane ubufatanye bwuzuye bwa cathode mugihe cyo gusudira no gufunga.Niba ibiti bya pole byerekanwe igihe kirekire, umuzenguruko mugufi urashobora kugaragara byoroshye hagati yigitereko cyibiti hamwe nicyuma mugihe cyo kuzunguruka.Niba lug ari ngufi cyane, ingofero ntishobora kugurishwa.Kugeza ubu, hari ubwoko bubiri bwimitwe ya ultrasonic yo gusudira: umurongo hamwe nu ngingo.Inzira zo murugo ahanini zikoresha umurongo wo gusudira umurongo bitewe no gutekereza imbaraga zirenze urugero no gusudira.Byongeye kandi, kole yubushyuhe bwo hejuru ikoreshwa mugutwikira ibicuruzwa byagurishijwe, cyane cyane kugirango birinde ingaruka zumuzunguruko mugufi uterwa nicyuma cyangiza.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 ℃, aho ikime kigomba kuba ≤-30 and, nubushuhe bwa cathode bugomba kuba ≤500-1000ppm.

Gutegura Isahani mbiIsahani mbi igomba gukama (105-110 ° C), hanyuma impapuro za nikel zirasudwa hanyuma zipakirwa.Uburebure bwa taber nuburebure bwubugari nabyo bigomba gusuzumwa.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 ℃, aho ikime kigomba kuba ≤-30 and, naho ubuhehere buri muri electrode mbi bugomba kuba ≤500-1000ppm.Guhinduranya ni uguhindura itandukanyirizo, urupapuro rwiza rwa electrode hamwe nurupapuro rwiza rwa electrode muburyo bwicyuma binyuze mumashini izunguruka.Ihame nugupfunyika electrode nziza hamwe na electrode mbi, hanyuma ugatandukanya electrode nziza kandi mbi ikoresheje itandukanya.Kubera ko electrode mbi ya sisitemu gakondo ari electrode igenzura igishushanyo cya batiri, igishushanyo mbonera kirenze icyiza electrode nziza, kuburyo mugihe cyo kwishyuza, Li + ya electrode nziza ishobora kubikwa muri "ubusa" ya electrode mbi.Hagomba kwitabwaho byumwihariko kubyerekeranye no guhindagurika no gutondekanya ibice mugihe uhindagurika.Umuvuduko muke cyane uzagira ingaruka kumurwanya wimbere nigipimo cyo kwinjiza amazu.Impagarara nyinshi zirashobora gukurura ibyago byumuzunguruko mugufi cyangwa gukata.Guhuza bivuga umwanya ugereranije na electrode mbi, electrode nziza, no gutandukanya.Ubugari bwa electrode mbi ni mm 59.5, electrode nziza ni mm 58, naho itandukanya ni 61 mm.Bitatu byahujwe mugihe cyo gukina kugirango birinde ingaruka zumuzunguruko mugufi.Umuvuduko ukabije uri hagati ya 0.08-0.15Mpa kuri pole nziza, 0.08-0.15Mpa kuri pole mbi, 0.08-0.15Mpa kuri diafragma yo hejuru, na 0.08-0.15Mpa kuri diafragma yo hepfo.Guhindura byihariye biterwa nibikoresho nibikorwa.Ubushyuhe bwibidukikije bwaya mahugurwa ni ≤23 ℃, ikime ni ≤-30 and, naho ubuhehere ni ≤500-1000ppm.

Mbere yuko intoki za batiri zifungwa zishyirwa murubanza, hasabwa ikizamini cya Hi-Pot ya 200 ~ 500V (kugirango hamenyekane niba bateri yumuriro mwinshi utagira umuvuduko muke), kandi vacuuming nayo irasabwa gukomeza kugenzura ivumbi mbere yo gushyirwamo urubanza.Ibintu bitatu byingenzi bigenzura bateri ya lithium ni ubuhehere, burrs n'umukungugu.Ibikorwa byabanjirije birangiye, shyiramo gasike yo hepfo munsi yumubyimba wa bateri, uhindukize urupapuro rwiza rwa electrode kugirango ubuso bushobore guhura na batiri ya pinhole, hanyuma amaherezo uyinjize uhagaritse mumashanyarazi cyangwa igikonoshwa cya aluminium.Dufashe ubwoko bwa 18650 nkurugero, diameter yo hanze ≈ 18mm + uburebure ≈ 71.5mm.Iyo agace kambukiranya igice cyibikomere ari ntoya kuruta imbere yimbere yimbere yimbere yicyuma, igipimo cyo kwinjiza ibyuma ni 97% kugeza 98.5%.Kuberako agaciro kongeye kugice cya pole hamwe nurwego rwo kwinjira mumazi mugihe cyo guterwa nyuma.Inzira imwe nubuso bwububiko burimo guteranya hejuru yo hejuru.Ubushyuhe bwibidukikije bwamahugurwa bugomba kuba ≤23 and, naho ikime kigomba kuba ≤-40 ℃.

Kuzungurukashyiramo umugurisha pin (mubisanzwe bikozwe mumuringa cyangwa ibivanze) hagati yibicuruzwa.Amashanyarazi asanzwe akoreshwa ni .52.5 * 1,6mm, kandi imbaraga zo gusudira za electrode mbi zigomba kuba ≥12N kugirango zuzuze ibisabwa.Niba ari hasi cyane, bizatera byoroshye kugurisha ibintu no kurwanya imbere cyane.Niba ari muremure cyane, biroroshye gusibanganya nikel hejuru yikibabi cyicyuma, bikaviramo guhuza abagurisha, biganisha ku kaga kihishe nko kubora no kumeneka.Ubwumvikane bworoshye bwo kuzunguruka ni ugukosora igikomere cya batiri igikomere utanyeganyega.Mubikorwa byo gukora iyi bateri ya lithium, hakwiye kwitabwaho cyane cyane guhuza umuvuduko wa transvers yo kwihuta hamwe n’umuvuduko ukabije wo gukanda kugirango wirinde guca ikariso ku muvuduko mwinshi cyane, kandi nikel ya noteri izagwa niba umuvuduko muremure urihuta cyane cyangwa uburebure bwikibanza bizagira ingaruka kandi kashe izagira ingaruka.Birakenewe kugenzura niba inzira zagaciro kuburebure bwimbitse, kwaguka hamwe nuburebure bwa groove bihuye nibipimo (kubarwa nibikorwa bifatika).Ingano ya hob isanzwe ni 1.0, 1.2 na 1.5 mm.Nyuma yo kuzunguruka irangiye, imashini yose igomba kongera guhindurwa kugirango wirinde imyanda.Impamyabumenyi ya vacuum igomba kuba ≤-0.065Mpa, naho igihe cya vacuum kigomba kuba 1 ~ 2s.Ubushyuhe bwibidukikije busabwa muri aya mahugurwa ni ≤23 and, naho ikime ni ≤-40 ℃.Bateri yibanze yo guteka Nyuma yimpapuro za batiri ya silindrike yazungurutswe kandi igasunikwa, inzira ya batiri ya lithium ikurikira ningirakamaro cyane: guteka.Mugihe cyo gukora selile ya batiri, haratangizwa urugero runaka rwubushuhe.Niba ubuhehere budashobora kugenzurwa mugihe gisanzwe mugihe, imikorere numutekano bya bateri bizagira ingaruka zikomeye.Mubisanzwe, ifuru ya vacuum yikora ikoreshwa muguteka.Tegura ingirabuzimafatizo zo gutekwa neza, shyira desiccant mu ziko, ushireho ibipimo, hanyuma uzamure ubushyuhe bugera kuri 85 ° C (ufata urugero rwa batiri ya fosifate ya lithium).Ibikurikira nuburyo bwo guteka kubintu bitandukanye bitandukanye bya selile ya batiri:

Gutera amaziGukora batiri ya lithium ikubiyemo gupima ubuhehere bwa selile yatetse.Gusa nyuma yo kugera kubipimo byabanjirije guteka urashobora gukomeza intambwe ikurikira: gutera electrolyte.Byihuse shyira bateri zokeje mumasanduku ya vacuum, upime kandi wandike uburemere, shyira igikombe cyo gutera inshinge, hanyuma wongere uburemere bwabugenewe bwa electrolyte mugikombe (mubusanzwe hakorwa ikizamini cya batiri-yinjijwe mumazi: shyira bateri mubikombe hagati).Shira intoki ya batiri muri electrolyte, uyishire mugihe runaka, gerageza ubushobozi ntarengwa bwo kwinjiza amazi ya bateri (mubisanzwe wuzuza amazi ukurikije ingano yubushakashatsi), uyishyire mumasanduku ya vacuum kuri vacuum (dogere vacuum ≤ - 0.09Mpa), kandi wihutishe kwinjira muri electrolyte muri electrode.Nyuma yinzinguzingo nyinshi, kura ibice bya batiri hanyuma ubipime.Kubara niba ingano yo gutera inshinge ihuye nigishushanyo mbonera.Niba ari bike, igomba kuzuzwa.Niba hari byinshi, suka ibirenze kugeza wujuje ibisabwa.Agasanduku ka globisiyo gasaba ubushyuhe ≤23 ℃ n'ikime cy'ikime ≤-45 ℃.

GusudiraMuri ubu buryo bwo gukora batiri ya lithium, igifuniko cya batiri kigomba gushyirwa mu gasanduku ka gants mbere, kandi igifuniko cya batiri kigomba gushyirwaho ku gishushanyo cyo hasi cy’imashini yo gusudira ikoresheje ukuboko kumwe, kandi intoki ya batiri igomba gufatwa n’ikindi. ukuboko.Huza lug nziza nziza ya selile ya batiri hamwe na terefone ya lug.Nyuma yo kwemeza ko itumanaho ryiza ryahujwe na cap terminal lug, kanda kumashini yo gusudira ultrasonic.Noneho kanda kuri mashini yo gusudira ikirenge.Nyuma yibyo, igice cya batiri kigomba kugenzurwa byuzuye kugirango harebwe ingaruka zo gusudira za tabs zagurishijwe.

Reba niba ibicuruzwa byagurishijwe bihujwe.

Kurura witonze kubagurisha kugirango urebe niba irekuye.

Batteri ifite igifuniko cya batiri idasudutse neza igomba kongera gusudwa.