3. Laser txiav: laser txiav hloov ntawm ncej ncej nrawm raws li tus nqi siab lub hlwb tsav lub nra / daim ntawv txiav
3.1 Qhov zoo: qhov raug siab dua thiab cov nqi khiav lag luam qis dua li cov cuab yeej txiav tuag, pab txhim kho kev ua tau zoo thiab txo cov nqi ntawm cov roj teeb.
Laser txiav tshuab tuaj yeem siv rau hauv cov txheej txheem tsim cov roj teeb lithium rau kev txiav, slitting thiab diaphragm slitting. Muab piv rau kev tuag-txiav, laser txiav muaj qhov zoo xws li qhov raug siab dua thiab cov nqi khiav lag luam qis, pab txo cov nqi thiab kev ua haujlwm ntawm cov roj teeb. Cov pa tuag-txiav inevitably ua rau hnav, plua plav thiab burrs, uas tuaj yeem ua rau muaj teeb meem txaus ntshai xws li overheating, luv circuits thiab txawm tawg. Txhawm rau kom tsis txhob muaj kev phom sij los ntawm kev ua haujlwm tsis zoo ntawm cov roj teeb lithium, txiav nrog lub laser yog qhov tsim nyog dua. Piv nrog rau cov tshuab txiav tsoos, laser txiav muaj qhov zoo ntawm tsis muaj lub cev hnav thiab tsim kua muag, hloov pauv cov duab txiav, kev tswj xyuas ntug zoo, qhov tseeb dua thiab cov nqi khiav lag luam qis, ua rau txo qis cov nqi tsim khoom, kev ua haujlwm ntau dua thiab luv luv tuag-txiav mus rau cov khoom tshiab.
3.2 Lug txiav: laser txiav yog qhov tseem ceeb thev naus laus zis, kev ceev nrawm thiab kev tswj nruj yog cov ntsiab lus tseem ceeb ntawm kev sib tw
Laser lug forming yog tam sim no ib tug mainstream technology uas cov txheej txheem tsis, tswj system thiab txiav chaw nres tsheb tsim txiav txim siab ceev thiab zoo ntawm kev txiav. Kev lig kev cai, mechanical tuag-txiav tau siv los ua cov lugs. Mechanical tuag-txiav txheej txheem muaj cov kev txwv ntawm ceev tuag poob, ntev tuag hloov lub sij hawm, tsis yooj yim sua thiab tsis tshua muaj ntau lawm efficiency, uas tau nce tsis tau raws li txoj kev loj hlob ntawm lithium roj teeb tsim. Vim muaj ntau yam zoo ntawm laser txiav tshuab, nrog rau kev loj hlob ntawm lub zog siab, siab beam zoo nanosecond lasers thiab ib hom nruam fiber ntau tshuab, laser lug txiav yog tam sim no maj ua lub ntsiab ntawm lug forming technology. Stable unwinding ceev, nro thiab txoj hauj lwm tswj nyob rau hauv qhov dav kev taw qhia ntawm tus ncej. Precise thiab ruaj khov unwinding ceev, nro thiab deflection tswj yog lub hauv paus rau siab zoo thiab ceev ncej pob ntseg sib sau.
3.3 Ncej txiav: tsoos tuag-txiav kev ua tau zoo yog lub hauv paus rau cov kab ntau lawm, MOPA thev naus laus zis muaj cov nqi thiab kev ua haujlwm zoo.
Qhov zoo ntawm disc slit thiab tuag-txiav cov khoom tsis ruaj khov; laser zog thiab txiav txav ceev yog ob lub ntsiab txheej txheem tsis. Muaj peb txoj kev txiav ncej: disc slitting, tuag-txiav thiab laser txiav. Ob qhov disc slitting thiab tuag-txiav raug kev txom nyem los ntawm cov cuab yeej hnav, uas tuaj yeem ua rau cov txheej txheem tsis ruaj khov, ua rau tsis zoo txiav thiab txo cov roj teeb ua haujlwm. Laser lub zog thiab txiav txav nrawm muaj qhov cuam tshuam loj rau qhov zoo ntawm qhov txiav. Thaum lub zog laser qis dhau los yog lub zog txav nrawm dhau, cov ncej ncej tsis tuaj yeem txiav tag nrho, thaum lub zog siab dhau los yog lub zog txav qis dhau, lub laser cheeb tsam ntawm kev ua ntawm cov khoom yuav loj dua thiab qhov loj ntawm qhov txiav yog loj dua.
MOPA yog cov txheej txheem laser modulation uas sib txuas lub siab ncov lub zog thiab cov kab teeb ci siab zoo hauv txoj kev pom zoo. Tam sim no tshwj xeeb customized pulsed fiber ntau laser rau ncej txiav tuaj yeem ua tiav txoj kab txiav kev ua haujlwm ntawm 120m / min, txiav burr tsawg dua 7μm, tshav kub cuam tshuam thaj tsam tsawg dua 50μm thiab qhov sib txawv zaus, hloov pauv lub zog teb lub sijhawm ntawm<10μs, which="" effectively="" reduces="" the="" quality="" problems="" caused="" by="" parameter="" changes="" at="" the="" corner="" joints.="" the="" mopa="" technology="" is="" a="" high="" power="" amplification="" of="" the="" seed="" light="" source="" by="" coupling="" the="" seed="" signal="" light="" and="" pump="" light="" with="" high="" beam="" quality="" into="" a="" double-clad="" fiber="" in="" a="" certain="">
Picosecond yog qhov kev xaiv ntev tshaj plaws thiab MOPA tam sim no yog qhov kev xaiv zoo tshaj plaws. Raws li "Kev soj ntsuam ntawm laser txiav ntawm lithium-ion fais fab cell ncej", ntxiv rau qhov dav ntawm mem tes, repetition zaus, beam qauv thiab laser wavelength kuj muaj kev cuam tshuam rau kev txiav zoo. Lub nqaim mem tes dav, siab repetition zaus picosecond laser yog li ntawd lub zoo tagnrho laser txiav txhuas thiab tooj liab ntawv ci. Txawm li cas los xij, vim tias picosecond thev naus laus zis tsis yog tag nrho cov paub tab, tus nqi tseem siab thiab nws nyuaj rau txhawb nws kev lag luam. Lub MOPA laser nrog ib tug kuj "qis" mem tes dav yog tus nqi-zoo laser txiav zoo electrodes, thiab raws li nws pulse dav txo thiab zaus nce, nws daim ntaub ntawv yuav ua tau ntau thiab ntau vam meej.
3.4 Diaphragm txiav: diaphragm laser txiav yog tseem nyob rau hauv lub layout theem thiab thermal cuam tshuam tswj yog ib qho teeb meem nyuaj.
Diaphragm txiav yog tam sim no raws li cov cuab yeej txiav thiab tam sim no muaj ob patents rau laser txiav tshuab. Patent 1: Raws li patent "A diaphragm laser txiav tshuab", feem ntau yog txiav nrog steel diaphragm cutter. Lub diaphragm cutter tsis ruaj khov, lub cutter yuav tsum tau hloov tsis tu ncua, lub diaphragm cutter tsis zoo, nws yooj yim rau burr los yog curl, cov qauv yog complex thiab nws tsis yooj yim rau debug thiab tswj. Cov teeb meem no tuaj yeem daws tau los ntawm laser txiav. Patent 2: Raws li patent "Laser Cutting Equipment for Lithium Battery Diaphragm Production", lub diaphragm qhov txhab los ntawm ob lub diaphragm winding units yog hloov pauv los ntawm lub laser txiav chav tsev, uas ua tiav cov haujlwm ntawm kev txiav tsis siv neeg thiab niaj hnub txiav ntawm lub diaphragm, zam. qhov tshwm sim ntawm de-powdering, xaiv, shredding thiab unbroken txiav thaum lub sij hawm txiav, thiab yooj yim rau siv nyob rau hauv batch ntau lawm kab.
Kev tswj xyuas qhov kub thiab txias tseem yog qhov teeb meem nyuaj, thiab UV lasers muaj nyob ua ib qho kev xaiv rau kev txiav cov tsoos. Cov ntsiab lus melting ntawm PP thiab PE zaj duab xis rau lithium-ion roj teeb cais sib txawv, nrog PE diaphragms nyob ib ncig ntawm 130 degree thiab PP diaphragms nyob ib ncig ntawm 160 degree. Nyob rau hauv cov cheeb tsam xws li nyias zaj duab xis ua cov ntaub ntawv uas tsis yog-hlau, lub zog siab UV photons ncaj qha ua txhaum molecular daim ntawv cog lus nyob rau saum npoo ntawm cov ntaub ntawv uas tsis yog-hlau, ua rau cov molecules tawg tawm ntawm cov khoom, tsis muaj ib tug high kub cov tshuaj tiv thaiv, thiab yog li ntawd feem ntau. hu ua "kold processing". Nyob rau hauv cov txheej txheem diaphragm txiav, uas tseem yog qhov tseem ceeb ntawm kev tuag-txiav, qhov qis melting point ntawm lub diaphragm ua rau nws nyuaj los tswj cov thermal cuam tshuam ntawm laser txiav, thiab UV laser muaj qhov zoo ntawm "kev ua txias" ua lwm txoj hauv kev. tsoos txiav tuag.
3.5 Stacking txheej txheem thev naus laus zis: xav tias yuav ua rau muaj kev thov ntau ntxiv rau laser txiav.
Kev thov rau laser ncej lug thiab ncej daim txiav nyob rau hauv lub square pawg txheej txheem yuav tsum tau nce. Nyob rau hauv txoj kev square stack, vim hais tias qhov zoo thiab qhov tsis zoo electrodes yog cais los ntawm ib leeg, txhua lub electrode yog haum nrog pob ntseg, uas yog tom qab ntawd welded ua ke los tsim qhov kawg ntawm qhov zoo thiab tsis zoo electrodes, tab sis nyob rau hauv txoj kev winding, thiaj li yuav txo tau. tus naj npawb ntawm cov khaubncaws sab nraud povtseg, tsuas yog ib pob ntseg haum rau ib lub sijhawm, feem ntau yog ib nrab ntawm tag nrho. Raws li cov saum toj no, peb txiav txim siab tias txheej txheem laminating ob npaug ntawm cov lugs piv rau cov txheej txheem winding thiab qhov kev thov rau lub log txiav nyob rau hauv cov txheej txheem laminating yuav tsum tau nce, thaum lub laminating txheej txheem yuav tsum tau ntau yam txiav ntawm qhov zoo thiab tsis zoo laminations ( thermal lamination txheej txheem) thiab qhov kev thov rau lub log txiav yuav nce ntxiv.
4. Lwm yam kev siv: laser tu, laser npav
4.1 Laser tu: zam teeb meem xws li ntxuav kev puas tsuaj thiab txhim kho cov txheej txheem tsim roj teeb
Laser ntxuav ntawm tus ncej ua ntej txheej tuaj yeem zam qhov kev puas tsuaj los ntawm kev ntxuav cov ethanol qub. Cell vuam ua ntej lub laser tu siv pulsed laser substrate tshav kub kev co expansion kom kov yeej lub nto adsorption ntawm cov kab mob ntawm lub substrate kom ua tiav cov nyhuv ntawm decontaminatio. Laser ntxuav ntawm insulating daim hlau thiab daim hlau kawg tuaj yeem nqa tawm thaum lub sijhawm ua haujlwm ntawm lub roj teeb los ntxuav cov qias neeg ntawm lub hlwb, ua kom lub ntsej muag ntawm lub hlwb thiab txhim kho cov adhesion ntawm cov tshuaj txhuam los yog kua nplaum. Ua ntej txheej txheej electrode: Qhov zoo thiab tsis zoo electrodes ntawm Li-ion roj teeb yog coated nrog Li-ion roj teeb zoo thiab tsis zoo ntawm cov hlau nyias nyias, uas yuav tsum tau ntxuav thaum txheej txheej electrode. Laser tu tshuab tuaj yeem daws cov teeb meem saum toj no zoo.
Lub thermal expansion ua rau cov pa paug los yog lub substrate vibrate, yog li ua rau cov pa paug mus kov yeej lub deg adsorption quab yuam thiab tawg tawm ntawm lub substrate nto, yog li tshem tawm cov stain los ntawm cov khoom nto. Txoj kev no zoo tshem tawm cov av, plua plav, thiab lwm yam los ntawm qhov kawg ntawm cov electrodes thiab npaj lub roj teeb rau soldering, yog li txo cov kev puas tsuaj. Cov txheej txheem sib dhos roj teeb: txhawm rau tiv thaiv kev nyab xeeb ntawm cov roj teeb lithium, feem ntau yuav tsum siv cov tshuaj nplaum rau cov roj teeb lithium txhawm rau ua lub luag haujlwm ntawm rwb thaiv tsev, tiv thaiv luv luv Circuit Court thiab tiv thaiv cov xaim thiab tiv thaiv khawb. Laser ntxuav ntawm rwb thaiv tsev boards thiab kawg daim hlau ntxuav lub saum npoo ntawm cov tub ntxhais, roughens lub saum npoo ntawm cov tub ntxhais thiab txhim kho cov adhesion ntawm cov nplaum los yog kua nplaum txheej, thiab tsis tsim cov pa phem tom qab ntxuav, uas yog ib tug environmentally phooj ywg ntsuab tu txoj kev, uas tau dhau los ua qhov tseem ceeb hauv ntiaj teb kev txhawj xeeb txog kev tiv thaiv ib puag ncig.
4.2 Laser npav laser: ntau npaum thiab ruaj ntseg cov ntaub ntawv nrhiav tau rau lub hwj chim hlwb
Qhov tsis zoo ntawm cov cuab yeej kos duab tsoos yog pom tseeb. Muaj ntau ntau hom kev kos npe, xws li inkjet npav, steel koob engraving npav, daim ntawv nplaum, thiab lwm yam, tab sis tag nrho cov txheej txheem no muaj cov txheej txheem sib xws. Piv txwv li, inkjet marking yuav tsum tau consumables, tom qab txau cov number case tsis qhuav rau lwm yam txheej txheem yuav muaj peev xwm ntawm xim poob, thiab lwm yam .; steel koob engraving ceev yog qeeb ua efficiency yog tsawg, thiab lwm yam., yog li qhov tshwm sim ntawm tshiab technology yog laser npav tshuab.
Qhov thib ob, kev nyab xeeb tau raug txhim kho nyob rau hauv ntau qib. Yuav kom tswj tau cov khoom zoo thiab taug qab tag nrho cov ntaub ntawv tsim tawm ntawm lithium roj teeb, suav nrog cov ntaub ntawv raw khoom, cov txheej txheem tsim khoom thiab thev naus laus zis, cov khoom lag luam, cov tuam txhab thiab cov hnub tim, cov ntaub ntawv tseem ceeb yuav tsum tau muab khaws cia rau hauv QR code thiab cim rau ntawm lub roj teeb. Traditional inkjet coding technology yog qhov ua rau muaj kev sib txhuam thiab cov ntaub ntawv poob thaum lub sij hawm, thaum lub laser npav yog qhov ruaj khov, tiv thaiv kev ua txhaum cai, muaj tseeb, hnav-tiv taus, nyab xeeb thiab txhim khu kev qha, thiab tuaj yeem muab cov kev daws teeb meem zoo tshaj plaws rau cov khoom lag luam zoo.
