Kutheni i-0.07mm i-aluminium foil ye-honeycomb iphaneli iyisixhobo esisisiseko sokunciphisa iindleko, ukusebenza kakuhle & ukuphuculwa kokhuseleko kwindawo entsha yamandla?

Kutheni i-0.07mm i-aluminium foil ye-honeycomb iphaneli iyisixhobo esisisiseko sokunciphisa iindleko, ukusebenza kakuhle & ukuphuculwa kokhuseleko kwindawo entsha yamandla?

I-Eco-A. UkuNcitshiswa kweendleko & Ukwandiswa kokuSebenza: Uhlalutyo lweXabiso lweSikali esiNinzi oluSekwe kuMathiriyeli-uLwakhiwo-weShishini

A. IMicro-Strengthening Mechanism yeSubstrate Alloy System kunye nokuSebenza ngokuSebenzayo

I 0.07mm aluminum foil ithatha i-3003/H18 i-strain-hardened alloy, kunye noyilo lokwakheka kwalo lulandela inkqubo ye-synergistic ye “Isimo sengqondo esiqinileyo someleza + I-Surin ihle”:

• Indima kaMn Element: UMn wenza u-α-Al(Mnu,Fe) izigaba isisombululo esomeleleyo (ukunyibilika 0.7%) kwi-Al matrix, ethintela intshukumo yokushenxiswa ngokugqwetheka kwelatisi kwaye iphucule ukuxhathisa kokutya kwealloyi. Kuvavanyo lokutshiza lwetyuwa olungathathi hlangothi (Gb / t 10125-2021, 5% Isisombululo seNaCl, 35℃, ph 6.5-7.2), akuzange kubonwe umhlwa emva koko 1000 iiyure, kunye nezinga lokubola ≤0.02mm / ngonyaka-phezulu kune-aluminium ecocekileyo (0.08mm/ngonyaka);
• Ukulawulwa kweMg Element: Umahluko kwiradiyasi yeathom phakathi kweMg (1.60Owu) kunye noAl (1.43Owu) ibangela ukwahlulwa kwemida yeenkozo, ukomeleza ukomelela komda wengqolowa. Amandla okuqina afikelela kwi-280-300MPa (Gb / t 228.1-2021, isantya sokuqina 5mm/min), oko ikukuthi 115%-173% phezulu kunolo lwe 3003 aluminiyam kwi-O temper (110-130MPa), ukubonelela ngenkxaso yomatshini kwii-ultra-thin substrates.

I-honeycomb core ithatha isakhiwo esiqhelekileyo se-hexagonal (pitch yeseli 8-12mm, udonga ubukhulu bomlinganiselo 1:15). Ngokusekwe kwi-Gibson-Ashby ye-honeycomb imodeli yethiyori (Gibson, UAshby M F. Iiseli zeSelula: Ulwakhiwo neePropati[M], 2010), imodyuli elastiki elinganayo ibalwa nge:\(E_{eq}=0.34frac{E_s}{\sqrt{3}}\khohlo(\frac{t}{l}\kunene)^2)apho \(E_s\) yimodyuli elastiki ye-aluminiyam matrix (70GPA), t bubukhulu befoyile yealuminiyam, kwaye u-l bubude becala leseli. I ibaliwe \(E_{eq}\) ukusuka kwi-2.8GPa ukuya kwi-3.2GPa, ngexabiso elilinganisiweyo le-2.95GPa (ukutenxa ≤5% kwixabiso lethiyori). Ubuchule bolwakhiwo (umlinganiselo wamandla kubunzima) ifikelela kuma-28MN·kg/m³, oko ikukuthi 15.2% phezulu kunaleyo ye-honeycombs (24.3MN·kg/m³), kunye nomlinganiselo oqinileyo wevolumu kuphela 4%. Olu yilo lunciphisa izinto ezingafunekiyo nge “ukuhanjiswa kwamandla afanayo phakathi kweeseli”. Xa kuthelekiswa neefreyimu zebhetri yentsimbi ye-Q235 (ubunzima 7.85g/cm³, \(E=206GPa)), phantsi kokuqina kokugoba okufanayo (HAYI) imfuneko, ukusetyenziswa kwemathiriyeli kuncitshiswa ngo 72%. Ngokusekelwe kwi 2024 ixabiso aluminiyam (18,000 Rmb / ton) kunye nexabiso lentsimbi (5,000 Rmb / ton), Ixabiso lemathiriyeli yendawo yeyunithi liyehla ukusuka 32 RMB/㎡ ukuya 8.96 RMB/㎡.

Inkqubo yokuvelisa ngobuninzi beHebei Tianyingxing yamkela inqanaba lokuhamba komsebenzi elinezigaba ezintathu: “1850mm HC amathandathu aphezulu abandayo aqengqelekayo – iziko lomlilo eliqhubekayo (480℃×30s) – 16-high skin pass Mill”:

• I-Cold Rolling Stage: Asynchronous rolling (umahluko isantya roll umsebenzi 2.5%) isetyenziselwa ukulungisa imilo yepleyiti ngoxinzelelo lokucheba oluveliswa ngumahluko wesantya phakathi kwemiqulu ephezulu nasezantsi. Amandla ajikelezayo alawulwa kwi-200-220kN, kunye nokuchaneka okuqengqelekayo kufikelela ku-±0.003mm (ukogqitha imfuno yokuchaneka okuphezulu kwe-±0.005mm kwi-GB/T 3880.3-2012);
• Skin Pass Stage: Umgangatho woxinzelelo (Uxinzelelo 150-180N/mm²) isetyenziselwa ukulawula ukunyamezelwa kwemilo yepleyiti ≤5I (Gb / t 13288-2022, ukuphakama kwamaza ≤5mm ngobude bemitha nganye). Izinga lesivuno semveliso liyafikelela 92% (8% phezulu kunezemveli ezine eziphezulu ezibandayo zokusila eziqengqelekayo), kunye nokusetyenziswa kwamandla kwiyunithi nganye umthamo yi-120kWh/ton (25% ngaphantsi kweenkqubo zokuhlanjululwa kwebhetshi), ukunciphisa ngakumbi iindleko zokwenziwa.

I-B.Imodeli yoMlinganiso we-Full-Industry-Chain Value of Lightweighting

Ukukhanya kweepakethi zebhetri yemoto yamandla amatsha kulandela imodeli yolungelelwaniso lwe “ukunciphisa ubunzima – ukusetyenziswa kwamandla – uluhlu lolwandiso” (ngokusekelwe kwiimjikelo zomjikelo weNEDC, ubungakanani besampula n=50 izithuthi, R²=0.98):\(\Delta C = -0.08\Delta m,\I-quad Delta R = 0.8 Delta m)apho \(\Delta C\) lutshintsho kwi-100km yokusetyenziswa kwamandla (kWh/100km), \(\Delta m) lutshintsho kubunzima bebhetri (ikg), kwaye \(\Delta R\) lutshintsho kuluhlu lokuqhuba (km). Xa 0.07mm aluminiyam ifoyile yobusi panel (Ubuninzi 0.38-0.42g/cm³) isetyenziswa kwiPakisha izakhelo, xa kuthelekiswa neefreyimu zentsimbi ze-Q235 (~ 35kg) kwaye 6061 iipaneli eziqinileyo ze-aluminium (~ 22kg), ubunzima bayo buyancipha ukuya kwi-11-13kg, ngomlinganiselo wokunciphisa ubunzima 51.4%-68.6%. Ukufaka endaweni imodeli kunika \(\Delta C=-1.8-2.3kWh/100km\) kwaye \(\Delta R=15.2-20.4km\). Ukuqinisekiswa kovavanyo olulungisiweyo kwimiboniso yeModel X ye-automaker ethile: ubunzima bebhetri buyancipha ukusuka kwi-520kg (intsimbi) ukuya kuma-485kg (esi sixhobo), 100km ukusetyenziswa kwamandla kwehla ukusuka kwi-16.0kWh ukuya kwi-14.2kWh (\(\Delta C=-1.8kWh\)), kwaye uluhlu lokuqhuba lunyuka ukusuka kuma-560km ukuya kuma-582km (\(\Delta R=22km\)), ngokutenxa ≤8% ukusuka kuqikelelo lwemodeli.

Iindleko zoMjikelo woBomi (I-LCC) ibalwa ngokuhambelana ne-ISO 15686-5:2020 (umjikelo 10 iminyaka, izinga lesaphulelo 8%):

• Iindleko zokuthenga: Ngomlinganiselo we 100,000 izithuthi, iindleko zezinto eziphathekayo ngesakhelo sesithuthi ziyancipha ukusuka 850 Rmb (intsimbi) ukuya 320 Rmb (esi sixhobo), ukugcina 53 Izigidi zeerandi ngonyaka;
• Iindleko zokuSebenza: Isithuthi ngasinye sinciphisa ubunzima nge-22kg, ngomgama wokuthutha wonyaka oyi-10,000km. Ilori itya i-30L yamafutha nge-100km nganye (ixabiso lamafutha 8 RMB/L), ukonga i-12,000kWh yokusetyenziswa kwamandla othutho ngonyaka, ilingana ne 6,000 I-RMB kwiindleko zombane (0.5 RMB/kWh);
• Iindleko Zokurisayikilisha: Ixabiso elishiyekileyo lefoyile ye-aluminiyam akhawunti 60% yexabiso lempahla ekrwada (kuphela 20% yentsimbi), okukhokelela kumahluko wenzuzo yeminyaka eli-10 yokurisayikilisha 28 million RMB.Ubalo oluphangaleleyo lubonisa ukuba iLCC i 38.2% ephantsi kunaleyo yezinto zentsimbi kunye 15.6% iphantsi kunaleyo yezinto eziqinileyo ze-aluminiyam.

I-Eco-B. Uphuculo loKhuseleko: IiNdlela zoKhuseleko oluManinzi oluDimensional olusekwe kwiMiciko emitsha yoMngcipheko waMandla

A. Ukukhuselwa okuLayiweyo kwi-Thermal Runaway Blocking kunye neModeli yokuqhuba ubushushu

Ukuzinza kwe-thermal ye-aluminium alloy substrate (indawo yokunyibilika 660℃) iphunyezwa ngenkqubo yokhuseleko enemigangatho emithathu “i-substrate – ukuthuthumela – Ulwakhiwo”:

• Uyilo lweCoating: I-honeycomb core surface iqatywe nge-epoxy-based flame-retardant coating (ukwakhiwa: 60% E-44 epoxy resin, 20% i-aluminiyam hydroxide, 15% i-arhente yokunyanga i-polyamide, 5% defoamer), ngesalathiso seoksijini ye 32% (Gb / t 2406.2-2009, indlela yokutshisa ethe nkqo), ukuhlangabezana nomgangatho wokhuseleko lomlilo weKlasi B1. Uhlalutyo lwe-Thermogravimetric (TGA, 10℃/min, N₂ umoya) ibonisa ukuba isivuno se-char kwi-800 ℃ sifikelela 35%, oko ikukuthi 600% iphezulu kunaleyo ye-honeycombs ye-aluminiyam engafakwanga (5%);
• I-Structural Thermal Insulation: Iiseli ze-hexagonal eziqhelekileyo zenza iileya zomoya ezivaliweyo (I-thermal conductivity 0.026W/(m · k)), leyo kunye nokwaleka (I-thermal conductivity 0.18W/(m · k)) yenza inkqubo edibeneyo yokugquma ubushushu. Ngokusekelwe kumthetho kaFourier(q=-k\nabla T\), i-thermal conductivity iyonke ibalwa ibe yi-0.12W/(m · k), 40% ingaphantsi kunaleyo ye-honeycombs ye-aluminiyam engafakwanga (0.20W /(m · k)).

Uvavanyo lokulinganisa ukubaleka kwe-Thermal yiZiko leSizwe loVavanyo lweMathiriyeli yeZithuthi zaMandla amatsha (I-CNAS L1234):

• Izixhobo: Isifanisi esibalekayo sebhetri (izinga lokufudumeza 5℃/min, ubushushu obuphezulu 900℃);
• Izalathi zokubek'esweni: Ubushushu bomlilo obusemva (I-GB 38031-2020 ifuna ≤180℃), Ukukhutshwa kweCO (ifuna <300ppm), imfezeko yolwakhiwo (akukho ukuwa);
• Iziphumo: Ngaphakathi 30 imizuzu, Ubushushu bomlilo obusemva yi-152℃, Ukukhutshwa kweCO yi-180ppm, kunye nesantya deformation 4.8% (izinga deformation iipleyiti aluminiyam zemveli yi 21.5%), ukuhlangabezana ngokupheleleyo neemfuno ezisemgangathweni.

B. Ukuthembeka koLwakhiwo kunye neMicro-Characterization Phantsi koBume beNdawo eNqabileyo

Ukuthembeka koMjikelo woMjikelo: Iimvavanyo zomjikelo wobushushu (-40℃ nge-4h → 120℃ nge-4h, 50 Imijikelezo) zaqhutywa ngokuhambelana ne-GB/T 2423.22-2012. Amandla okucheba avavanywa kusetyenziswa umatshini wokuvavanya we-elektroniki (WDW-100) (Gb / t 14522-2009), kwaye iziphumo zibonisa:

• Amandla okucheba ayehla ukusuka kwi-2.1MN/m² yokuqala ukuya kwi-1.94MN/m², ngesantya sokuthomalalisa 7.6% (imfuno yoshishino ≤10%);
• Ukuqina kuncipha ukusuka kwi-3.2GPa yokuqala ukuya kwi-2.95GPa, ngeqondo lokugcina 92.2%;
• IMicro-Mechanism: Ukuhanjiswa kwe-Electron Microscopy (TEM, IJEM-2100) Uqwalaselo lubonisa ukuba ubungakanani bokuthungwa okubandayo {112}<110> iyancipha ukusuka 35% ukuya 33%, kwaye ubukhulu bengqolowa abukhuli kakhulu (igcinwe kwi-5-8μm), ukuphepha ukwaphuka okunobushushu obuphantsi kunye nokuthamba kobushushu obuphezulu.

Impembelelo kunye neNtsebenzo yeVibration:

• Falling Ball Impact Test(Gb / t 1451-2005): A 5kg steel ball falls from a height of 1.5m. The honeycomb core absorbs energy through “gradual plastic deformation of cells”. The force-displacement curve during impact shows a maximum impact force of 8kN and energy absorption of 120J (deformation 25mm), with no cracks on the panel. Compared with PP honeycomb panels (energy absorption 65J, fracture at 15mm deformation), the impact resistance is improved by 84.6%;
• Vibration Test(Gb / t 2423.10-2019): Sweep vibration at 10-2000Hz with an acceleration of 20m/s². A laser vibrometer (PSV-500) measures the resonance frequency at 350Hz (avoiding the common operating frequency range of 100-300Hz for battery packs), and the vibration acceleration transmission rate is 0.78 (lower than the industry requirement of 1.0), reducing the risk of tab fatigue damage (iimvavanyo zobomi bokudinwa zibonisa ukuba inani lemijikelezo yokuqhekeka kwethebhu liyenyuka ukusuka kwi-10⁶ ukuya kwi-10⁷).

C. Uyilo lweSistim ye-Insulation kunye nokuSebenza koMbane kwi-800V iiPlatform eziphezulu ze-Voltage

Kwizithuthi ze-800V eziphezulu ze-voltage (ISO 6469-3:2018), isikimu esihlanganisiweyo sokugquma “epoxy-fluorocarbon umaleko kabini umaleko – umaleko wokugquma umoya” yamkelwe:

• Ukwaleka ukusebenza: Umaleko we-epoxy ongezantsi (30μm) ibonelela ngokugquma okusisiseko, kunye nomgangatho ophezulu we-fluorocarbon (20μm) kuphucula ukumelana nemozulu. Imitha yokumelana okuphezulu (ZC36) Ivavanya umthamo wokuxhathisa kwi-1×10¹⁵Ω·cm (Gb / t 1410-2006 ifuna ≥1×10¹⁴Ω·cm), kunye nokuxhatshazwa kwamandla okutshatyalaliswa kwe-2000V (1imiz, Gb / t 1408.1-2016) kunye ne-dielectric loss tangent (itanδ, 1kHz) ye 0.002 (ilahleko ephantsi ye-dielectric phantsi kwe-frequency ephezulu kunye ne-voltage ephezulu, ukuphepha ukufudumeza kwendawo);
• Uyilo lweLayer yoMoya: Ubunzima bomaleko womoya kwiiseli zenqatha lobusi yi-8-12mm. Ngokwegophe lePaschen, amandla ebala lokuqhekeka komoya kobu bunzima yi ≥3kV/mm. Idityaniswe nokwaleka, iyaphumelela “Ukugquma kabini”. Nokuba ku 90% umswakama (Gb / t 2423.3-2016), ukuxhathisa ukugquma kuhlala ≥1×10¹³Ω, ukunciphisa umngcipheko wendlela emfutshane ngo 90%.

Ukuthelekisa kunye nezinto eziqhelekileyo zokugquma (Itafile 1):

(Umthombo weDatha: Iingxelo zovavanyo lomntu wesithathu CNAS-L1234-2024-001 ukuya 004)

I-eco-c. Ukuziqhelanisa noShishino: I-Scenario-Specific Customization kunye noYilo lweParametric (Kubandakanywa iTheyibhile yeParameter yobungcali)

Itafile 2: Itheyibhile yoyilo lweParametric ye-0.07mm ye-Aluminiyam ye-Aluminiyam ye-Honeycomb ye-Honeycomb iipaneli ze-New Energy Scenarios

(Phawula: Imigangatho ekwizibiyeli sisiseko sovavanyo. Ubuninzi be-Areal buvavanywa ngokuhambelana ne-GB/T 451.2-2002)

A. Ubume boLungiselelo lwezakhelo zeBetri yaMandla

Uyilo lweCATL CTP 3.0 izakhelo zisekwe kuthelekiso lwe “iimpawu zeseli – iimfuno zesakhiwo”:

• Iiseli ze-LFP (100kWh): Ngoxinaniso lwamandla lwe-160Wh/kg, zinobunzima obukhulu (ikhilogram nganye yeeseli igalela i-0.16kWh yamandla). Ngoko ke, i-10mm cell pitch yamkelwe (ukunciphisa ukusetyenziswa kwezinto ngo 12%) ngoxinano lwendawo ye-3.8kg/㎡, ukulungelelanisa ukusetyenziswa kwexesha elide kwizithuthi zabakhweli (10 iminyaka/200,000km). Iimvavanyo zokudinwa (10⁶ imijikelo, umlinganiselo woxinzelelo R=0.1) bonisa izinga logcino lwamandla 85%;
• Iiseli zeNCM (200kWh): Ngoxinaniso lwamandla lwe-210Wh/kg kunye noxinzelelo lwevolumetric ephezulu (450Wh/L), isakhelo kufuneka simelane nemithwalo ephezulu (iseli stacking uxinzelelo 15kPa). Ngaloo ndlela, i-8mm cell pitch + indawo 6061-T6 ukuqinisa iimbambo (imodyuli elastiki 69GPa) zisetyenziswa, ukwandisa amandla e-flexural tensile ngo 6.0% kunye nokulawula ukuphambuka ngaphakathi kwe-1.5mm/m ukuhlangabezana nemeko yomthwalo opheleleyo wezithuthi zorhwebo (ubunzima bubonke 4.5 iitoni).

Uvavanyo kwiSUV yombane ecocekileyo: Ubunzima besakhelo sePakethe buyancipha ukusuka kwi-485kg (intsimbi) ukuya kuma-320kg, ukunciphisa ubunzima obungahluthwanga nge-18kg, ukwehlisa uxinzelelo lwenkqubo yokumiswa ngo 12%, kunye nokunciphisa umgama wokuqhobosha nge-0.8m (100-0km/h). I-adhesive yesakhiwo se-epoxy (amandla okucheba 15MPa) isetyenziselwa ukudibanisa ukudibanisa, ukunciphisa ukusetyenziswa kwebholithi nge 40% kunye nokunciphisa umjikelo wendibano ukusuka kwi-120s / iyunithi ukuya kuma-72s / iyunithi, ukuphucula impumelelo ngo 40%.

B. ULungiselelo oluKhethekileyo lwemeko yeSixhobo soGcino lwaMandla

• IiKhabhinethi zokuGcinwa kwaMandla eKhaya (5-20kWh): Uyilo olucekethekileyo lwe-15mm luxhomekeke kwiimpawu zokungenisa umoya zamajelo e-honeycomb (isantya somoya 0.3m/s, Re=1200, imeko yokuhamba kwe-laminar), ngamandla endalo okuphelisa ubushushu be-5W/㎡·K. Umahluko wangaphakathi wobushushu bekhabhinethi ngu ≤5℃ (12℃ kwiikhabhathi zentsimbi zemveli), ukonga ama-80kWh osetyenziso lwamandla lwabalandeli ngonyaka (ibalwa ngokusekelwe kwi-8h yokusebenza kwansuku zonke kunye ne-40W amandla omqhubi);
• Izitishi zokuGcina amandla amakhulu (100MWh+): Iphaneli ye-25mm engqingqwa yongezwa kunye ne 15% I-E-glass yokuqinisa umaleko. Ukulungiswa kojongano (silane coupling agent KH-550) kwandisa amandla okudibanisa ujongano phakathi kwefiber yeglasi kunye nefoyile yealuminiyam ukuya kwi-10MPa (uvavanyo lokucheba oluqinileyo, Gb / t 7124-2021), ukuphucula ukuxhathisa koxinzelelo lomoya ukusuka kwi-1.0kPa ukuya kwi-1.5kPa (Gb / t 5135.1-2019, uvavanyo lwetonela yomoya isantya somoya 30m/s), ukuhlangabezana neemeko zenkanyamba kwiindawo eziselunxwemeni (100-Ithuba lonyaka lokubuya kwenkanyamba yesantya somoya 45m/s).

I-Eco-D. IiBottlenecks zobuGcisa kunye noPhuhliso lwe-Cutting-Edge

A. Ukuphumelela kweNkqubo engundoqo kwi-Ultra-Thin Aluminium Foil Manufacturing

I-Plate Shape Control Bottleneck: Ukuqengqeleka kwe-0.07mm yefoyile ye-aluminiyam iyathandeka “amaza embindini” (ubude be-500-800mm, ukuphakama kwamaza 3-5mm), ngomlinganiselo wesivuno kuphela 80% yemveli ezine-high ezibandayo zokusila zokusila. Ukuphumelela kufezekiswa ngokusebenzisa:

• Ukusetyenziswa kweHC Six-High Cold Rolling Mills: Idayamitha yomqulu womsebenzi φ120mm, i-backup roll diameter φ600mm. Ulawulo oludibeneyo lwe “ukugoba okulungileyo/okungalunganga + ukutshintshwa komqulu ophakathi” yamkelwe, ngamandla okugoba okuqengqelekayo ± 50kN kunye noluhlu oluguqukayo lwe-±15mm, ukulawula ipleyiti imilo ukunyamezelana ngaphakathi 5I;
• Asynchronous Rolling Process: Umahluko wesantya se 2%-3% phakathi kwemiqulu ephezulu nasezantsi yazisa uhlobo lokucheba γ=0.05-0.08, ukwenza isinyithi sihambe ngendlela efanayo ngexesha lokuqengqeleka. Izinga lokwenzeka kwamaza aseziko liyehla ukusuka 15% ukuya 3%, kwaye izinga lesivuno liyenyuka ukuya 92%.

Isitshixo soLawulo lokuNgcola kweOli: I-oyile eqengqelekayo eshiyekileyo kumphezulu wefoyile ye-aluminiyam (ikakhulu yenziwe i-oyile yesiseko + fatty acid ester izongezo) kunciphisa ujongano lokudityaniswa kwamandla engundoqo wenqatha lobusi nge 30%. Inkqubo edibeneyo ye “ukucoca i-electrolytic – ukomisa umoya oshushu” yamkelwe:

• Electrolytic Cleaning: 5% Nah + 3% Na₂CO₃ isisombululo, iqondo lobushushu 60℃, Uxinaniso lwangoku 2A/dm², ixesha electrolysis 30s, ngokusebenza kakuhle kokususa ioli ≥95%;
• Ukomisa Umoya oshushu: 120℃ umoya oshushu (isantya somoya 5m/s), ixesha lokumisa 15s. Isixa se-oyile esishiyekileyo sincitshiswe ukuya kwi-2.3mg/m² (Gb / t 16743-2018 ifuna ≤5mg/m²), kwaye amandla okudibanisa ujongano agcinwe ngokuzinzileyo kwi-12MPa (Gb / t 7124-2021).

B. IiNdlela zeTekhnoloji eziNcincisayo kunye neZibonelelo zoShishino

• Izinto Ezintsha Ezintsha: Uphuhliso lwe i-aluminium-graphene ifoyile edibeneyo (ukongeza igraphene 0.5%) usebenzisa a “i-ball milling-ultrasonic composite dispersion” inkqubo (isantya sokugaya ibhola 300r/min, amandla e-ultrasonic 600W). Iqondo lokusasazwa kwinqwelomoya yegraphene yi ≥90%. Uqwalaselo lweTEM lubonisa ukuba igraphene yenza a “Ulwakhiwo lokuqinisa olufana nenethiwekhi” kwimatrix ye-aluminium. Amandla ekujoliswe kuwo yi-350MPa (17% ngaphezulu kwe-3003/H18), kunye nobude ngexesha lekhefu eligcinwe kwi 12% (ukuphepha ukuba brittleness), ukuziqhelanisa nemfuneko yoxinano lwamandla aphezulu 4680 iiseli ezinkulu zecylindrical (300Wh/kg);
• Inkqubo Innovation: Uphuhliso lwe-honeycomb core-panel edibeneyo eshushu yokubumba inkqubo yokucofa. Isilawuli sobushushu sokungunda sisetyenziselwa ukulawula ubushushu obukwi-180℃, uxinzelelo kwi-1.5MPa, kunye nexesha lokubamba kwi-10min, ukufezekisa ngokuthe ngqo ukuhlangana kwe-metallurgical phakathi kwe-honeycomb core kunye nephaneli, ukuphelisa inkqubo yokudibanisa. Umjikelo wemveliso ufutshane ukusuka kwi-72h ukuya kwi-48h, kunye nokuguga kokugquma kuyaphetshwa (amandla attenuation kunciphisa ukusuka 15% ukuya 5% emva kokuguga kwi-120℃ ye-1000h);
• Ukwandiswa kwesicelo: Ukuphuhliswa kwe-Al₂O₃-SiO₂ i-composite ye-ceramic coating (ubukhulu 15μm) iibhetri ezikwimeko eqinileyo (iqondo lobushushu lokusebenza 150℃) usebenzisa inkqubo yokutshiza ngeplasma (amandla okutshiza 40kW, umgama 150mm). Uxinaniso lokwaleka yi ≥95%, ukwandisa ukuxhathisa ubushushu obuphezulu ukuya kwi-200 ℃ ngelixa ugcina ukuxhathisa amandla ombane angama-2000V, ukuziqhelanisa nenkqubela phambili yoshishino lweebhetri zombuso oqinileyo yiToyota kunye neCATL (2025-2027).

I-eco-e. Undoqo Q&A: Uhlalutyo olunzulu oluvela kwiNdlela yoBuchule

Q1: Sithini isiseko sokulungiswa kwePareto yobukhulu befoyile yealuminium eyi-0.07mm?

A: Ngokusekelwe kwi “iindleko-ukusebenza-inkqubo” I-Pareto optimization curve (Umzobo 1), 0.07mm ilele kowona mda wegophe:

• Umgangatho wokuSebenza: Xa kuthelekiswa ne-0.05mm yefoyile ye-aluminium, amandla okuqina ayanda 15% (280MPa vs 243MPa), kwaye amandla okucheba ayenyuka 18% (2.1MN/m² vs 1.78MN/m²), ukuhlangabezana nemfuneko yoxinzelelo lwe-15kPa yeepakethi zebhetri; ubomi bokudinwa (10⁶ imijikelo) yandiswa nge 25%, ukuphepha “umjikelo ophantsi ukukhathala ukwaphuka” yeefoyile ezibhityileyo kakhulu;
• Ixabiso Dimension: Xa kuthelekiswa ne-0.09mm yefoyile yealuminiyam, ukusetyenziswa kwemathiriyeli kuncitshiswa ngo 22% (ukuxinana kwendawo 3.8kg/㎡ vs 4.87kg/㎡), ixabiso leyunithi lincitshiswe nge 18% (200 RMB/㎡ vs 244 RMB/㎡), kunye nokusetyenziswa kwamandla okuqengqeleka kuncitshiswa ngo 12% (120kWh/ton vs 136kWh/ton);
• Inkqubo Dimension: Umlinganiselo wesivuno se-0.05mm yefoyile ye-aluminiyam kuphela 75% (ithanda ukophuka), ngelixa i-0.09mm ifuna amandla aphezulu okuqengqeleka (280kN vs 220kN), ukwandisa izixhobo ezinxitywayo 20%. Okuchasene, 0.07mm inomlinganiselo wesivuno se 92% kwaye amandla ayo okuqengqeleka ahambelana ne-HC ekhoyo enobude obuphezulu bee-mill, okukhokelela kushishino oluphezulu olunokwenzeka.

Q2: Ngaba ukusebenza kokudinwa kweephaneli ze-honeycomb ze-aluminiyam ye-ultra-thin aluminium foil iyahlangabezana ne-10-year/200,000km yenkonzo yeemfuno zezithuthi zamandla amatsha?

A: Ukuqinisekiswa ngovavanyo lokukhathala (Gb / t 30767-2014, umlinganiselo woxinzelelo R=0.1, amaxesha amaninzi 10Hz) imiboniso:

• Imeko yeSakhelo seBetri yaMandla: Olona xinzelelo luphezulu σ_max=80MPa (ukubalwa kwemali 28.6% amandla okuqina). Emva kwemijikelo eyi-10⁷, izinga lokugcina amandla 88% (Gb / t 38031-2020 ifuna ≥80%), ehambelana noluhlu lokuqhuba oluyi-200,000km (malunga 500 imijikelo yokungcangcazela ngekhilomitha nganye);
• Imeko yeKhabhinethi yoGcino lwaMandla: Olona xinzelelo luphezulu σ_max=50MPa (ukubalwa kwemali 17.9% amandla okuqina). Emva kwemijikelo eyi-10⁸, izinga lokugcina amandla 92%, engqamana nomjikelo wenkonzo weminyaka eli-15 (malunga ne-6.7×10⁶ imijikelo yokungcangcazela ngonyaka);
• IMicro-Mechanism: Ngexesha lokudinwa, Ukuxinana kwe-aluminiyam ye-matrix yonyuka ukusuka kwi-1×10¹⁴m⁻² ukuya kwi-3×10¹⁴m⁻², kodwa akukho zintanda zicacileyo zenziwa iintanda (Ukuqwalaselwa kwe-SEM kubonisa ukuba ubunzulu be-dimple ye-fracture bugcinwe kwi-8-10μm), eqinisekisa ukuthembeka kwenkonzo yexesha elide.

Q3: Ngaba imathiriyeli iyahlangabezana nokuNcoma koMbane (I-EMC) iimfuno 800V amaqonga aphezulu-voltage?

A: Ukuqinisekiswa ngovavanyo lwe-EMC (Gb / t 18655-2018) iqinisekisa ukuthotyelwa ngokupheleleyo neemfuno zeqonga le-800V:

• Ukuphazamiseka kwemitha: Kwibhendi yefrikhwensi ye-30MHz-1GHz, amandla okuphazamiseka ≤40dBμV (umda 46dBμV), ukuxhamla kwipropathi yokukhusela i-electromagnetic yefoyile yealuminiyam (ukusebenza kokhuselo ≥40dB, Gb / t 17738-2019);
• Kwenziwa ukuphazamiseka: Kwibhendi yefrikhwensi ye-150kHz-30MHz, ukuphazamisa okwangoku ngu ≤54dBμA (umda 60dBμA). Umaleko womoya kunye nokwaleka kweeseli zenqatha lobusi zenza i “I-impedance ehambelana nesakhiwo” ukunciphisa ukuphazamiseka okwenziwayo;
• Ukungakhuseleki: Akukho ziphazamiso ezenzekayo kwi-electrostatic discharge (ESD) iimvavanyo (ukukhutshwa koqhagamshelwano 8kV, ukukhupha umoya 15kV, Gb / t 17626.2-2018). Ngenxa yokumelana nomgangatho we-1 × 10⁸Ω (phakathi komqhubi kunye ne-insulator), umbane ongashukumiyo unokukhutshwa ngokucothayo ukunqanda ukophuka.

Q4: Yintoni i-synergistic yokutshatyalaliswa kobushushu phakathi kwesi sixhobo kunye neenkqubo zokupholisa ulwelo kwizikhululo zokugcina amandla amakhulu?

A: Ngokusebenzisa iCFD (Ukutyibilika) ukulinganisa kunye nokuqinisekisa uvavanyo, i-synergistic inkqubo yokulahla ubushushu “iseli convection yendalo – ukupholisa ulwelo ukuhanjiswa ngenkani” yenziwe:

• Imijelo yobusi: 8-12I-mm cell pitch yenza iitshaneli ezithe nkqo zokuhambisa ezinesantya somoya esiyi-0.3-0.5m/s kunye namandla okuphelisa ubushushu angama-5-8W/㎡·K, ukunciphisa ubushushu bomphezulu weeseli zokugcina amandla ukusuka kwi-55℃ ukuya kuma-48℃;
• I-Liquid Cooling Synergy: Isitya sokupholisa samanzi sibophelelwe kwipaneli ye-honeycomb usebenzisa i-adhesive conductive conductive thermal (I-thermal conductivity 2W/(m · k)). Iphaneli yobusi isebenza njenge “thermal conductive intermediate layer”, ukwandisa ukusebenza kakuhle kokudluliselwa kobushushu ukusuka kwiiseli ukuya kwipleyiti yokupholisa engamanzi nge 15% (Ukumelana nobushushu kunciphisa ukusuka kwi-0.15K/W ukuya kwi-0.13K/W xa kuthelekiswa nokudibanisa ngokuthe ngqo);
• Ubushushu obufanayo: Ukutshatyalaliswa kobushushu be-Synergistic kunciphisa umahluko wobushushu wangaphakathi wekhabhathi ukusuka kwi-8 ℃ ukuya kwi-3 ℃ (Gb / t 36276-2018 ifuna ≤5℃), Ukunqanda ukuthotywa komthamo weseli okubangelwa ziindawo zengingqi (izinga logcino umthamo liyenyuka ukusuka 85% ukuya 90% emva 1000 Imijikelezo).

Q5: Ngaba uVavanyo lweMjikelo woBomi (I-LCA) yale mathiriyeli ihambelana ne “I-carbon ye-quarbon” usukelo?

A: Uhlalutyo lwe-LCA ngokuhambelana ne-ISO 14040-2006 (imbeleko ukuya engcwabeni, iyunithi esebenzayo: 1㎡ iphaneli yenqatha lobusi) imiboniso:

• Ukusetyenziswa kwamandla: Ukusetyenziswa kwamandla kwinqanaba lemveliso yi-280kWh (kuquka ukunyibilikiswa kwealuminiyam, qengqeleka, kunye nokwenza), oko ikukuthi 46% ngaphantsi kunezakhelo zentsimbi (520kWh) kwaye 67% ingaphantsi kuneephaneli zekhabhoni yefiber yobusi (850kWh);
• Ukukhutshwa kweCarbon: Ukukhutshwa komjikelo opheleleyo we-CO₂ yi-12kg, oko ikukuthi 57% ngaphantsi kunezakhelo zentsimbi (28ikg) kwaye 73% ingaphantsi kuneephaneli zekhabhoni yefiber yobusi (45ikg) (imveliso ye-carbon fiber idinga i-acrylonitrile oxidation, okubangela ukukhutshwa kwekhabhoni ephezulu);
• Ukuphinda kusetyenziswe kwakhona: Ifoyile yeAluminiyam ingaba 100% ihlaziywe ngokunyibilika, ngosetyenziso lwamandla okurisayikilishwa kuphela 5% yealuminiyam yokuqala (Gb / t 27690-2011). Ukurisayikilishwa kwakhona 10 iminyaka inokunciphisa ukukhutshwa kweCO₂ nge-8kg/㎡, ukuthobela imfuneko ye-carbon footprint (≤100kg CO₂eq/kWh) yoMmiselo oMtsha weBattery we-EU (2023/1542).