Pele ho fihla theknoloji ea laser, indasteri ea betri esale e sebelisa mechini ea setso bakeng sa ts'ebetso. Ha ho bapisoa le ts'ebetso e tloaelehileng ea mochini, ts'ebetso ea laser e na le melemo e mengata mme butle-butle e amoheloa ke baetsi ba betri ea lithium-ion. E ka sebelisoa bakeng sa slitting ea tšepe ea tšepe, ho itšeha ka foil ea tšepe, ho itšeha ha filimi. E ka boela ea sebelisoa ho cheselletsa li-tab, li-casings tsa mantlha tsa betri, lipekere tse tiisang, likhokahano tse bonolo, tse thibelang ho phatloha, li-valve le li-module tsa betri.
Ho tloha ha e qala ka 1990, libeteri tsa lithium li 'nile tsa ratoa ke 3C digital, lisebelisoa tsa matla le liindasteri tse ling ka lebaka la matla a tsona a matla, matla a phahameng, tšireletso ea tikoloho, bophelo bo bolelele le ho tjhaja ka potlako. Tlatsetso ea bona indastering e ncha ea likoloi tsa matla e hlahelletse haholo. Lilemong tsa morao tjena, ho hlahile likoloi tse ncha tsa motlakase. Ha ho bapisoa le likoloi tsa khale tsa mafura, likoloi tse ncha tsa matla li sebelisa libeteri tsa lithium e le mohloli oa matla. Joalo ka indasteri ea betri ea lithium-ion e fanang ka mohloli oa matla bakeng sa likoloi tse ncha tsa matla, monyetla oa mmaraka o moholo.
Betri ea Lithium-ion (Li-ion Battery)
Lithium ion betri e boetse e tsejoa e le betri ea li-ion, e leng mofuta oa betri ea bobeli (betri e nchafalitsoeng), eo haholo-holo e itšetlehileng ka motsamao oa li-ion tsa lithium pakeng tsa electrode e ntle le electrode e mpe ho sebetsa. E le mofuta o mocha oa matla a hloekileng, libeteri tsa lithium ha li khone ho matlafatsa likoloi tse ncha feela, empa li boetse li matlafatsa lihlahisoa tse fapaneng tse kang literene tsa motlakase, libaesekele tsa motlakase le likoloi tsa kolofo.
Sengoliloeng sena se tla u joetsa ka thekenoloji ea laser tlhahisong ea betri ea matla, 'me u hlalose hore na hobaneng tlhahiso ea betri ea li-ion e sebelisa lisebelisoa tsa laser cutting le sisteme ea welding ea laser.
Sistimi ea ho itšeha ea Laser
Tlhahiso ea libeteri tsa lithium-ion e amana haufi-ufi le mohato o le mong oa ts'ebetso. Ka kakaretso, tlhahiso ea libeteri tsa lithium e kenyelletsa likarolo tse 3: tlhahiso ea likotoana, tlhahiso ea lisele tsa betri le kopano ea betri. Lits'ebetsong tsena tse 3 tse kholo, ho itšeha ka laser ke karolo ea bohlokoa ea lits'ebetso.
Ts'ebetso ea betri ea lithium-ion e hloka ho nepahala ho phahameng, ho laola le boleng ba mochine oa ho itšeha. Ha e ntse e sebelisoa, "die cutter" e tla tsofala, ebe e lahlela lerōle ebe e hlahisa li-burrs, tse ka bakang mathata a kotsi joalo ka ho chesa haholo ha betri, potoloho e khuts'oane le ho phatloha. E le ho qoba kotsi, ho loketse ho sebelisa mochine oa ho itšeha oa laser.
Ha ho bapisoa le mechine ea ho itšeha ka mokhoa o tloaelehileng, mokhoa oa ho itšeha oa laser o na le melemo ea ho se sebelise lisebelisoa, libopeho tse tenyetsehang tsa ho itšeha, taolo ea boleng bo holimo, ho nepahala ho phahameng le litšenyehelo tse tlaase tsa ho sebetsa, e leng se loketseng ho fokotsa litšenyehelo tsa tlhahiso, ho ntlafatsa tlhahiso ea tlhahiso, le ho khutsufatsa haholo sehlahisoa se secha se shoang.
Libetri tsa lithium, e le likarolo tsa mantlha tsa likoloi tse ncha tsa matla, li khetholla ka ho toba ts'ebetso ea koloi eohle. Ka ho phatloha butle-butle ha 'maraka oa likoloi tse ncha tsa matla, mechine ea laser cutter e tla ba le menyetla e meholo ea' maraka nakong e tlang.
Sistimi ea Welding ea Laser
E le karolo ea mantlha ea koloi e ncha ea matla, boleng ba betri ea matla bo khetholla ka ho toba tshebetso ea koloi. Lisebelisoa tsa ho etsa betri ea lithium-ion hangata li kenyelletsa mefuta e 3 ea lisebelisoa tse ka pele, lisebelisoa tsa bohareng le lisebelisoa tsa morao-rao. Ho nepahala le boemo ba ho iketsetsa thepa bo tla ama ka ho toba katleho ea tlhahiso le ho tsitsa ha sehlahisoa. E le mokhoa o mong oa mekhoa ea khale ea ho tjheseletsa, li-welders tsa laser li sebelisitsoe haholo lisebelisoa tsa ho etsa betri ea lithium-ion.
Mochini oa welding oa laser ke karolo ea bohlokoa ea mohala oa tlhahiso ea betri ea matla. Molao-motheo ke mokhoa o sebetsang hantle le o nepahetseng oa tjheseletsa o sebelisang lebone la laser le nang le matla a phahameng e le mohloli oa mocheso. Ha ho bapisoa le welding ea setso, welding ea laser e na le melemo e mengata, ho kenyelletsa ho kenella ka botebo, lebelo le potlakileng, deformation e nyane, litlhoko tse tlase bakeng sa tikoloho ea welding, matla a phahameng a matla, a sa angoeng ke matla a khoheli, ha a felle feela ka thepa e tsamaisang, 'me ha e hloke vacuum.
Ho tloha ha ho etsoa lisele tsa betri tsa lithium-ion ho ea kopanong ea pakete ea betri, welding ke ts'ebetso ea bohlokoa haholo ea tlhahiso. The conductivity, matla, ho tiea ha moea, mokhathala oa tšepe le khanyetso ea kutu ea libeteri tsa lithium ke litekanyetso tse tloaelehileng tsa tlhahlobo ea boleng ba betri. . Khetho ea mokhoa oa ho tjheseletsa le ts'ebetso ea welding e tla ama ka kotloloho litšenyehelo, boleng, polokeho le botsitso ba betri. E 'ngoe, STYLECNC e tla u nka hore u ithute ka lits'ebetso tse fapaneng tsa lisebelisoa tsa laser welding tšimong ea libeteri tsa lithium.
Ho phatloha ha Betri-Bopaki ba Valve Welding
Belofo e thibelang ho phatloha ea betri ke 'mele o nang le mabota a masesaane holim'a poleiti e koalang betri. Ha khatello e ka hare ea betri e feta boleng bo boletsoeng, 'mele oa valve oa valve e thibelang ho phatloha oa phatloha ho thibela betri hore e se ke ea phatloha. Belofo ea polokeho e na le sebopeho se bohlale, 'me ts'ebetso ena e na le litlhoko tse thata haholo ts'ebetsong ea welding ea laser. Pele ho tjheseletsa ka laser e tsoelang pele, belofo e thibelang ho phatloha ha betri e ne e cheselitsoe ke pulsed laser welding, 'me welding e sa khaotseng ea tiiso e ile ea finyelloa ka ho kopana le ho koaheloa ha sebaka sa welding le sebaka sa ho tjheseletsa, empa ts'ebetso ea ho tjheseletsa e ne e le tlase mme ts'ebetso ea ho tiisa e ne e batla e fokola. Ho tjheseletsa ka laser ho sa feleng ho ka fihlella welding ka lebelo le phahameng le boleng bo phahameng, botsitso ba ho tjheseletsa, katleho ya welding le chai e ka netefatswa.
Welding ea Battery Tab
Hangata li-tab li arotsoe ka lisebelisoa tse 3. Electrode e ntle ea betri e sebelisa lisebelisoa tsa aluminium (Al), 'me electrode e mpe e sebelisa lisebelisoa tsa nickel (Ni) kapa lisebelisoa tsa koporo tse entsoeng ka nickel (Ni-Cu). Ts'ebetsong ea ho etsa libeteri tsa motlakase, e 'ngoe ea mehato ke ho kopanya li-tab tsa betri le lipalo hammoho. Ha ho etsoa beteri ea bobeli, e hloka ho ts'oaroa ka valve e 'ngoe ea tšireletso ea aluminium. Welding ha ea lokela ho netefatsa feela hore ho na le kamano e ka tšeptjoang pakeng tsa tabo le palo, empa hape e hloka seam e boreleli le e ntle ea welding.
Betri Electrode Strip Spot Welding
Lisebelisoa tse sebelisoang bakeng sa li-strips tsa electrode ea betri li kenyelletsa li-strips tsa aluminium tse hloekileng, li-strips tsa nickel, li-strips tsa aluminium-nickel tse kopantsoeng, le li-strips tse nyane tsa koporo. Ho tjheseletsa li-strips tsa electrode ea betri ka kakaretso ho sebelisa mechine ea ho tjheseletsa ea pulse. Ka ho hlaha ha laser ea IPG ea QCW e sa khaotseng, e boetse e sebelisitsoe haholo ho tjheseletsa li-strips tsa electrode ea betri. Ka nako e ts'oanang, ka lebaka la boleng ba eona bo botle ba mahlaseli, sebaka sa ho tjheseletsa se ka ba senyenyane. , E na le melemo e ikhethang ea ho sebetsana le ho tjheseletsa li-strips tsa aluminium tse nang le reflectivity e phahameng, li-strips tsa koporo le li-strips tsa betri tse nang le lebanta le lesesaane (bophara ba strips ea pole bo ka tlase ho 1.5mm).
Shell ea Power Battery le Cover Plate li Tiisitsoe ebile lia chesetsoa
Lisebelisoa tsa likhetla tsa libeteri tsa matla ke motsoako oa aluminium le tšepe e sa hloekang, tseo motsoako oa aluminium e leng tsona tse sebelisoang ka ho fetisisa, hangata 3003 alloy alloy, 'me tse seng kae li sebelisa aluminium e hloekileng. Tšepe e sa hloekang ke thepa e nang le laser weldability e ntle ka ho fetisisa. Ebang ke pulsed kapa laser e tsoelang pele, li-welds tse nang le ponahalo e ntle le ts'ebetso li ka fumanoa. U sebelisa laser e tsoelang pele ho tjheseletsa libeteri tsa lithium tse tšesaane, katleho e ka eketsoa ka makhetlo a 5 ho isa ho a 10, 'me phello ea ponahalo le ts'ebetso ea ho tiisa li betere. Ka hona, ho na le mokhoa oa ho fetola butle-butle li-laser tsa pulsed sebakeng sena sa kopo.
Mojule oa Battery ea Matla le PACK Welding
Letoto le likhokahano tse bapileng lipakeng tsa libeteri tsa motlakase hangata li phethoa ka ho tjheseletsa sekotoana se hokelang le betri e le 'ngoe. Lisebelisoa tsa li-electrode tse ntle le tse mpe li fapane. Ka kakaretso, ho na le mefuta e 'meli ea lisebelisoa: koporo le aluminium. Hobane koporo le aluminium li cheselitsoe ka laser, li ka etsa metsoako ea brittle. Ho finyella litlhoko tsa kopo, hangata ho sebelisoa welding ea ultrasonic, 'me laser welding e atisa ho sebelisoa bakeng sa koporo le koporo, aluminium le aluminium. Ka nako e ts'oanang, kaha koporo le aluminium li tsamaisa mocheso ka potlako haholo, li na le reflectivity e phahameng haholo ho laser, 'me botenya ba sengoathoana se kopanyang se batla se le seholo, ho hlokahala hore ho sebelisoe laser e matla ho finyella welding.
Sena se bontša hore ho tjheseletsa ka laser ho hlahelletse ka pele hara mekgwa e mengata ya ho tjheseletsa. Taba ea pele, welding ea laser e na le matla a phahameng a matla, deformation e nyane ea welding, le libaka tse nyane tse anngoeng ke mocheso, tse ka ntlafatsang ho nepahala ha likarolo. Sefate sa welding se boreleli ebile ha se na litšila, se ts'oanang le se teteaneng, ntle le mosebetsi o eketsehileng oa ho sila; ea bobeli, welding laser e ka laoloa ka nepo le ho tsepamisoa leseling. Matheba a manyane, boemo bo phahameng ka nepo, ho fihlella habonolo ka matsoho a mochini, ho ntlafatsa ts'ebetso ea tjheseletsa, ho fokotsa lihora tsa batho, le ho fokotsa litšenyehelo; Ho feta moo, tjheseletsa ea laser ea lipoleiti tse tšesaane kapa lithapo tse bophara bo tšesaane li ke ke tsa hlaseleha habonolo joalo ka welding ea arc. 'Me e ka chesetsoa ka lisebelisoa tse ngata tse fapaneng, tse ka hlokomelang welding pakeng tsa lisebelisoa tse fapaneng.
Trends
Hajoale, nts'etsopele e potlakileng ea indasteri e ncha ea matla e tsamaisitse kholo e ts'oanang ea indasteri ea betri ea li-ion le indasteri ea tlhahiso ea lisebelisoa tsa betri ea lithium-ion, e fanang ka mobu o motle bakeng sa ts'ebeliso e kholo ea mochini o sehang oa laser, mochini oa welding oa laser le mochini o ngolang laser 'marakeng oa betri ea lithium-ion. Hoa hlokomeleha hore ka nts'etsopele e tsoelang pele ea 'maraka o mocha oa matla, ntlafatso ea butle-butle ea litlhoko tsa boleng le ntlafatso e tsoelang pele ea thekenoloji ea laser, ho ka sebelisoa lisebelisoa tse eketsehileng tsa laser cutters le laser welder' marakeng oa betri ea li-ion nakong e tlang, le bahlahisi ba bangata ba mochine oa laser ba ka rua molemo indastering ea betri ea lithium-ion.
