Lithium-ion Battery ni a shara hta hpa nga ai kun?
Hkai sun hta cell hkrat sum ai lam ni hpe n jaw ai kun? 60-70% daram gaw sealing manghkang ni hpe bai hkan tam ai. Cathode n re, garan ginhka ai wa n re, BMS sha n-gun n rawng ai sumla hkrung lahkawng hpe pyi n re. Hot sealing gaw battery laika buk law malawng hta laika man lahkawng lu na re, raitim masha ni yin la mayu ai hta grau nna warranty claims ni hpe shabyin ya ai.
Bungli yawng hpe galaw ai sumla re
Aluminum laminate sumla hkrung hta bungli masum hpe langai sha re ai hku bang da ai. Shinggan na nylon gaw n-gun n rawng ai sha, oxygen hpe pat kau ya ai. Middle aluminum layer gaw hka lim ai-t gaw teng man ai pat shingdang ai lam re, hpa majaw nga yang, hka n-gun kaji kajaw ni pyi LiPF6 hte HF gas hpe shapraw na matu n-gun rawng ai. Sealing galaw ai shaloi, kata na CPP (scaly propylene) gaw, teng man ai matut mahkai lam hpe galaw na matu, hka lim mat ai.
Nsen gaw hkrak hkrak na ai. Tatut hta, 2-3 second sealing cycle hta layer masum yawng hpe jawm galaw na matu lu la na matu, shanhte gaw shawng nnan e poch line hpe hpaw ai shaloi myit mada ai bungli law malawng hta grau nna process hpe hkang lu na re.
DNP, Shoya Denko, hte Younchon gaw mungkan ting hta premium laminate sumla hkrung law malawng hpe naw jaw ya nga ai. Miwa mungdan na galaw shapraw ai ni{{1}Zijiang, Daaming, hte kaga nkau mi hpe n-gun jaw ai ni gaw, mid{3}}}tier application ni hta gap hpe pat kau ai, raitim, tsaw ai-}}cycle cell ni gaw Japan (sh) Korean sumla hkrung ni hpe naw ra sharawng ma ai. Material lata ai lam gaw, jahpan ni hta tsun da ai hta grau nna, sealing akyang lailen hpe hkra machyi shangun ai.
Gara hku nna teng man ai hku galaw ai lam
Ntsa de hte lawu, n-gun ja ai bar lahkawng gaw, shinggrup da ai laminate film hpe shinggrup da ai. Temperature gaw bar ntsa kaw 185℃du hkra 225℃du hkra rai nga ai. Raitim, ndai kaw na jak rung ni n tsun da ai lam gaw: CPP layer temperature gaw bar nbung katsi ai hta 10℃daram yawm mat ai, hpa majaw nga yang, nbung gaw nylon hte aluminum hku nna shawng galaw ai majaw re. 215℃setpoint ngu ai gaw, tengman ai bonding interface hta 205℃daram hpe tsun mayu ai.
Side seals ni gaw cooler-185℃hpe galaw ai gaw, sumla hkrung-to sumla hkrung matut mahkai lam sha re majaw, n-gun rawng ai. Top seal ni gaw 210-220℃ra ai, hpa majaw nga yang, electrode tab ni gaw package hte tab sealant film hku nna thermal mass hpe jat ya ai. Dai sealant (galaw madang galai shai ai PP) gaw, magri tab ntsa hte CPP layer hpe kalang ta matut mahkai ra ai. N bung ai interface masum, sealing cycle langai.
Dai fusion mechanism hta polymer chain interdiffusion lawm ai. CPP gaw viscous flow state de du wa ai, chains ni gaw pressure npu kaw na interface hku nna htawt sit mat wa nna, yawng katsi wa ai hte maren shinggrup nga ai. 160℃hte 215℃lapran na melt window hpe madun dan ai. Dai peak ni a lapran hta bungli galaw ai gaw target rai nga ai.
Dai shara hta Production Lines ni hpe pat da ai shara
Tab seal awu asin byin shangun ai
n-gun grau law ai hkrat sum ai mode hku nna rank galaw ai. Electrolyte hpring ai lam gaw hpang jahtum n-gun n rawng shi yang byin wa nna, seal ntsa kaw ngam ai shara shagu gaw bond n-gun hpe sat kau ya ai. Solvent vapor pyi CPP ntsa na n-gun hpe galai shai ya lu ai majaw manghkang ni byin chye ai. Nkau shara ni gaw IPA hte seal shara ni hpe kashin kau ai; grau kaja ai bungli galaw ai lam ni hpe hkang lu nna, hpang jahtum na seal lahkam a matu ap nawng ai san seng ai shara ni hpe jai lang ai. LANGAIlithium battery pack hpe garan jaw aiqualification aten hta san ai n-gun ja ai protocols ni nga ai.
Sealing bar makau na nbung laru bung ai lam
masha law malawng chye na ai hta grau nna ningdang kau ai lam ni hpe byin shangun ai. Hka lum ai lam ni gaw bar galu de hkum tsup hkra n garan ai. Cold spot ni gaw n hkum tsup ai fusion hpe jaw ai; katsi ai shara ni gaw, n-gun n rawng ai CPP hpe seal zone kaw nna shadut ai shara ni hta, n-gun n rawng ai shara ni hpe n-gun n rawng ai shara ni hta tawn da ai. Multi-}one nbung laru hpe hkang lu ai gaw karum ya ai, raitim, line law law gaw langai sha n-gun hpe naw galaw nna, grau tsaw ai scrap rate ni hpe sha hkap la ai.
Squeeze a n hkru n kaja ai lam hte micro{1}}out
nbung laru (sh) nbung laru grai law ai shaloi byin wa ai. Molten polymer gaw seal zone a maga ni hta lai nna kaga shara n nga ai. Dai n-gun n rawng ai n-gun gaw, katsi ai aten hta myit ru myit tsang lam ni hpe byin shangun ai, kalang lang n-gun n rawng ai aten hta mu lu ai, kalang lang n mu lu ai. Ndai ni gaw aten ladaw ni na wa ai hte maren leak lam ni byin wa ai. Profited sealing baw ni gaw, n-gang ni hte channel ni hpe hkang ai arung arai ni hpe flat bar ni hta grau kaja ai hku lwi shangun ai, raitim, manu grau law nna, grau ngang kang ai setup hkam sharang ai lam ni ra ai.
Tab adhesive delamination
cell sanghpaw li ngut ai hpang shata law law na ai hpang pru wa ai. Electrode tabs ni a ntsa na sealant sumla hkrung gaw, metal- hpe n-gun jaw ra ai, n-gun rawng ai, n-gun rawng ai-}adhesive ( layers ni hkrum shaga ai shara), hte n-gun ja ai-}CPP hpe n-gun jaw ra ai. Gara interface hpe raitim, electrolyte gaw hpang jahtum tab makau kaw n hkru n kaja ai lam ni hpe tsun mayu ai. Cell ni gaw shawng nnan na leak test hpe lai nna, dai hpang, n-gun n rawng ai creep gaw hpang jahtum daw mat ai shaloi, field kaw hkrat sum mat ai. Accelerated aging tests ni gaw ndai lam nkau mi hpe rim la lu ai, raitim yawng n lu ai.
Dry vs Thermal Laminate sumla hkrung ni
Laminate sumla hkrung hpe gara hku galaw shapraw ai gaw, sealing akyang lailen hpe hkra machyi shangun ai.
1990 ning hta, n-gun ja ai hte n-gun n-gun npu hta MPP adhesive hpe jai lang nna aluminum hte CPP hpe matut mahkai ya ai. Dai lam gaw bungli galaw ai raitim, katsi ai hpe hkam sha ai gaw adhesive layer hpe mawn sumli ya lu ai. Nkau miLithium battery OEMlamang ni gaw, n-gun n law ai shara hta, hka lim ai lamin sumla hkrung ni de galai shai mat wa ai, grau nna n-gun n rawng ai sha, grau nna n-gun rawng ai, sung ai shara ni hpe hkam sharang lu ai.
Dry-} a sumla hkrung ni gaw, grau dam lada ai sealing window ni hpe madung tawn nna galaw ai. Thermal- n-gun rawng ai sumla hkrung ni gaw kalang lang n-gun rawng ai sumla hkrung ni hpe galaw ai shaloi, n-gun rawng ai sumla hkrung ni hpe galaw ai shaloi, n-gun rawng ai sumla hkrung ni hpe galaw ai. Thermal n kaja ai ngu tsun mayu ai n re; tsaw ai-}volume law law gaw dai hpe awng dang hkra jai lang ai. Raitim, sealing manghkang ni pru wa nna, kaga hpa mung n tsun dan ai shaloi, sumla hkrung galaw ai lam hpe sawk sagawn na matu manu dan ai.
Equipment Notes ni
Upper sealing bar gaw PTFE tape hte ka-up da ai, n-gun n rawng ai "light bar" zawn hkawm sa chye ai. Teflon gaw polymer squeezes out galaw ai shaloi sticking hpe pat shingdang ai, cycle langai hte langai hpe shapraw ya ai, katsi ai hpe loi mi pyi shapraw ya lu ai. Dai tape hpe bu hpun nna, aten tup galai na ra ai- n bung ai (sh) PTFE hpe shinggrup da ai PTFE hpe shinggrup da ai sumla hkrung hta ntsa lam masat kumla ni hku nna dan dawng wa ai.
Lawu tsang na bar gaw, silicone rubber hte shinggrup da ai, center channel langai lawm ai, profile galaw da ai npu hpe n-gun jaw ai. Silicone gaw tab shara ni kaw na n-gun n bung ai lam ni hpe hparan na matu hkan sa ai lam hpe jaw ya ai. Dai hku hkan sa ai lam n nga yang, pressure garan gachyan ai lam gaw n bung ai hte bond n-gun n bung ai gaw seal width ting hta n bung ai.
Asymmetric hkrang shapraw ai{{0}ssmooth ntsa, profile galaw da ai lawu-gives ni gaw, n-gun hpe sha n-ga, n-gun n-gun hpe hkang lu ai. Ndai kaw ahkyak ai lam ni; bar alignment galai shai ai lam ni hta millimeter langai hta na shi hta na htam mi gaw dan dawng ai hku byin pru wa ai.
Hkrang shapraw ai lam hta kungkyang ai ga san ni
Supplier ni a qualification aten hta, ndai ga san ni gaw, warranty bawnu machyi ai lam ni hpe shabyin ya lu ai, grai sawng ai bungli ni hpe garan ginhka chye ai:
Gara timhtung litthium battery dut aitengman ai ladat hpe galaw ai gaw ndai ni hpe hkrak htai lu ai. N lu galaw ai ni gaw shanhte yin la ai hta grau nna outsourcing galaw nga ai zawn rai nga ai.
Supply Chain Reality
Industrial arung arai-forklifts de shang wa ai cell ni a matu, AGV, nbungli n-gun ni, npu na hka shin ai ni a n-gun n-gun ni-material quality gaw, mari ai manu hta grau nna asak hkrung lam a matu jai gumhpraw hpe hkra machyi shangun ai. LANGAIlithium battery n-gun$/kWh hpe sha madung tawn ai jahpan gaw, seal hkrat sum ai lam ni gaw shaning masum hta service calls ni hpe jat wa ai rai yang, lam hpe n lu galaw ai.
Japan hte Korea sumla hkrung ni gaw grau manu dan ai. Shanhte mung n law ai. Miwa sumla hkrung ni gaw kadun ai-cycle application ni a matu kaja ai hku galaw ai (sh) manu jahpu hpe grau nna uphkang ai. Manu n hkrat ai de n mai sa ai sha, teng man ai hku jai lang ai lam hpe galaw na matu, arung arai ni hpe masat da u.
Lithium battery galaw ai niin- nta hpe pat da ai hpaji gaw ndai shara hta grau kaja ai sourcing dawdan lam ni hpe galaw chye ma ai. turnkey line ni hpe mari nna, arung arai dut ai wa hpaji jaw ai gara sumla hkrung hpe raitim galaw ai ni... mahtai n bung ai.
Sealing gaw concept{0}} n-gun, n-gun, katsi ai lam ni hta n-gun n rawng ai. Dai hpe galaw shapraw ai volumes ni hta hkrak lu la ai, tab shang ai lam ni, electrolyte awu asin byin ai lam ni, thermal gradients ni hte, asan sha tsun ai hta grau nna process tara ni hpe sharin la lu ai. Field kam hpa mai ai lam gaw, ndai lahkam hpe galaw shapraw ai wa kade daram myit maju jung ai hte grai ni htep hkra hkan tam ai.
