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): Ibhola yentsimbi eyi-5kg iwa ukusuka kubude obuyi-1.5m. Undoqo wenqatha lobusi ufunxa amandla “ukuguqulwa kweplastiki ngokuthe ngcembe kweeseli”. Ijika lokufuduswa kwamandla ngexesha lempembelelo libonisa amandla amakhulu empembelelo ye-8kN kunye nokufunxa amandla kwe-120J (deformation 25mm), ngaphandle kweentanda kwiphaneli. Xa kuthelekiswa neepaneli ze-PP zobusi (ukufunxa amandla 65J, ukuphuka kwi-15mm deformation), ukuchasana kwempembelelo kuphuculwe ngu 84.6%;
• Uvavanyo lokungcangcazela(Gb / t 2423.10-2019): Tshayela ukungcangcazela kwi-10-2000Hz ngesantya se-20m/s². I-laser vibrometer (PSV-500) ilinganisa i-resonance frequency kwi-350Hz (Ukunqanda uluhlu oluqhelekileyo lokusebenza oluqhelekileyo lwe-100-300Hz kwiipakethi zebhetri), kunye nesantya sokukhawulezisa sokushukuma 0.78 (ngaphantsi kwemfuno yoshishino 1.0), ukunciphisa umngcipheko wokudinwa kwethebhu umonakalo (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).