Kungani i-0.07mm Aluminium Foil devey comnel impahla ebalulekile yesakhiwo sokuncishiswa kwezindleko, ukusebenza kahle & ukuthuthukiswa kokuphepha emkhakheni wamandla amasha?

Kungani i-0.07mm Aluminium Foil devey comnel impahla ebalulekile yesakhiwo sokuncishiswa kwezindleko, ukusebenza kahle & ukuthuthukiswa kokuphepha emkhakheni wamandla amasha?

Eco-a. Ukwehliswa Kwezindleko & Ukuthuthukisa Ukusebenza kahle: Ukuhlaziywa Kwenani Lezilinganiso Eziningi Ngokusekelwe Kuchungechunge Lwesakhiwo-sembonini

A. I-Micro-Strengthening Mechanism ye-Substrate Alloy System kanye Nokuthuthukiswa Kokusebenza Kwesakhiwo

I 0.07mm aluminium foil yamukela ingxubevange eqinile engu-3003/H18, kanye nokwakheka kwayo kulandela indlela ye-synergistic ye “Isixazululo esiqinile siyaqiniswa + string harning”:

• Iqhaza likaMn Element: U-Mn wenza u-α-Al(UMn,Fe) izigaba zesixazululo esiqinile (ukuncibilika 0.7%) ku-Al matrix, okuvimbela ukunyakaza kokugudluka ngokusebenzisa ukuhlanekezela kwe-lattice futhi kuthuthukise ukumelana nokugqwala kwe-alloy. Ekuhlolweni kwesifutho sikasawoti esingathathi hlangothi (GB / t 10125-2021, 5% Isixazululo se-NaCl, 35℃, uhlobo 6.5-7.2), akukho ukugqwala komgodi okwabonwa ngemuva 1000 amahora, ngesilinganiso sokugqwala ≤0.02mm/ngonyaka—idlula i-aluminium emsulwa (0.08mm / unyaka);
• Ukulawulwa kwe-Mg Element: Umehluko kurediyasi ye-athomu phakathi kwe-Mg (1.60Oh) kanye no-Al (1.43Oh) kubangela ukuhlukaniswa komngcele wokusanhlamvu, ukuqinisa amandla okubopha umngcele wokusanhlamvu. Amandla aqinile afinyelela ku-280-300MPa (GB / t 228.1-2021, izinga lokuqina 5mm/min), okusho ukuthi 115%-173% ephakeme kunaleyo ye 3003 i-aluminium ku-O temper (110-130I-MPa), ukuhlinzeka ngosekelo lwemishini lwama-substrates azacile kakhulu.

Ikhekheba lezinyosi lithatha isakhiwo esinezinhlangothi ezine ezivamile (ukuphakama kweseli 8-12mm, udonga ubukhulu isilinganiso 1:15). Ngokusekelwe kumodeli yethiyori yesakhiwo se-Gibson-Ashby (Gibson, U-Ashby M F. Ama-Cellular Solids: Isakhiwo Nezakhiwo[M], 2010), imodulus yayo enwebekayo elinganayo ibalwa ngo:\(E_{eq}=0.34\frac{E_s}{\sqrt{3}}\-bunxele(\i-frac{t}{l}\kwesokudla)^2\)lapho \(E_s\) i-elastic modulus ye-aluminium matrix (70I-GPa), t ukujiya kwe-aluminium foil, futhi l ubude bohlangothi lweseli. Okubaliwe \(E_{eq}\) isukela ku-2.8GPa kuya ku-3.2GPa, ngevelu elinganiselwe engu-2.95GPa (ukuchezuka ≤5% ukusuka kunani lethiyori). Ukusebenza kahle kwesakhiwo (isilinganiso samandla nesisindo) ifinyelela ku-28MN·kg/m³, okusho ukuthi 15.2% ephakeme kunaleyo yama-honeycombs (24.3MN·kg/m³), futhi isilinganiso sevolumu eqinile kuphela 4%. Lo mklamo wehlisa izinto ezingafuneki “ukudluliswa kwamandla afanayo phakathi kwamaseli”. Uma kuqhathaniswa namafreyimu ebhethri ensimbi e-Q235 (ukuminyana 7.85g/cm³, \(E=206GPa\)), ngaphansi kokuqina okufanayo kokugoba (CHA) imfuneko, ukusetshenziswa kwempahla kuncishiswa ngo 72%. Ngokusekelwe ku- 2024 intengo ye-aluminium (18,000 RMB / TON) kanye nentengo yensimbi (5,000 RMB / TON), izindleko zempahla yendawo yeyunithi ziyehla zisuka 32 RMB/㎡ kuya 8.96 I-RMB/㎡.

Inqubo yokukhiqiza ngobuningi be-Hebei Tianyingxing isebenzisa ukuhamba komsebenzi okunezigaba ezintathu: “1850mm HC umshini wokugaya obandayo ophakeme oyisithupha – isithando somlilo esiqhubekayo (480℃×30s) – 16-high skin pass Mill”:

• I-Cold Rolling Stage: Ukugoqa okungavumelani (umehluko wesivinini somsebenzi 2.5%) isetshenziselwa ukulungisa ukuma kwepuleti ngokusebenzisa ukugunda okubangelwa umehluko wesivinini phakathi kwamaroli aphezulu naphansi. Amandla aginqikayo alawulwa ku-200-220kN, futhi ukunemba kokugingqika kufinyelela ku-±0.003mm (ukudlula imfuneko yokunemba okuphezulu okungu-±0.005mm ku-GB/T 3880.3-2012);
• I-Skin Pass Stage: I-tension leveling (ukungezwani 150-180N/mm²) isetshenziswa ukulawula ukubekezelelana komumo wepuleti ≤5I (GB / t 13288-2022, ukuphakama kwegagasi ≤5mm ngobude bemitha). Izinga lokukhiqiza liyafinyelela 92% (8% ephakeme kunezigayo zendabuko ezine-high ezibandayo ezigoqayo), futhi ukusetshenziswa kwamandla ngeyunithi ngayinye umthamo ngu-120kWh/ton (25% iphansi kunezinqubo zokukhipha inqwaba), ngokuqhubekayo ukunciphisa izindleko zokukhiqiza.

B.Quantitative Model Yenani Le-Full-Industry-Chain of Lightweighting

Ukukhanya kwamaphekhi ebhethri lemoto yamandla amasha kulandela imodeli yomugqa yokuhlanganisa ye “ukunciphisa isisindo – ukusetshenziswa kwamandla – isandiso sobubanzi” (ngokusekelwe ekuhlolweni komjikelezo we-NEDC, usayizi wesampula n=50 izimoto, R²=0.98):\(\Delta C = -0.08\Delta m,\quad \Delta R = 0.8\Delta m\)lapho \(\Delta C\) wushintsho ekusebenziseni amandla ka-100km (kWh/100km), \(\Delta m\) wushintsho lwesisindo sephakethe lebhethri (uhlobo), futhi \(\Delta R\) wushintsho ebangeni lokushayela (km). Lapho 0.07mm aluminium foil lezinyosi panel (ukuminyana 0.38-0.42g/cm³) isetshenziswa kuma-Pack frames, uma kuqhathaniswa namafreyimu ensimbi e-Q235 (~ 35kg) futhi 6061 amaphaneli e-aluminium aqinile (~ 22kg), isisindo sawo sincipha sibe ngu-11-13kg, ngesilinganiso sokunciphisa isisindo 51.4%-68.6%. Ukufaka esikhundleni imodeli kunikeza \(\Delta C=-1.8-2.3kWh/100km\) futhi \(\Delta R=15.2-20.4km\). Ukuqinisekiswa kokuhlolwa okushintshiwe emibukisweni ye-Model X ye-automaker ethile: isisindo sebhethri sehle sisuka ku-520kg (insimbi) ku 485kg (le nto), 100km ukusetshenziswa kwamandla kwehla kusuka ku-16.0kWh kuya ku-14.2kWh (\(\Delta C=-1.8kWh\)), futhi ibanga lokushayela likhuphuka lisuka ku-560km liya ku-582km (\(\Delta R=22km\)), ngokuchezuka ≤8% ukusuka ekubikezelweni kwemodeli.

Izindleko Zomjikelezo Wempilo (I-LCC) ibalwa ngokuhambisana ne-ISO 15686-5:2020 (umjikelezo 10 iminyaka, isilinganiso sesaphulelo 8%):

• Izindleko Zokuthenga: Okwesilinganiso se 100,000 izimoto, izindleko zempahla ngohlaka lwemoto ngayinye ziyancipha ukusuka 850 Rmb (insimbi) ku 320 Rmb (le nto), ukulondoloza 53 izigidi zama-RMB ngonyaka;
• Izindleko Zokusebenza: Imoto ngayinye yehlisa isisindo ngo-22kg, ngebanga lokuhamba minyaka yonke lika-10,000km. Iloli lidla u-30L kaphethiloli ngebanga lika-100km (intengo kaphethiloli 8 I-RMB/L), ukonga u-12,000kWh wokusetshenziswa kwamandla kwezokuthutha minyaka yonke, elilingana ne 6,000 I-RMB yezindleko zikagesi (0.5 I-RMB/kWh);
• Izindleko Zokugaywa kabusha: Inani eliyinsalela le-aluminium foil lilandisa 60% wezindleko zempahla eluhlaza (kuphela 20% okwensimbi), okuholela kumehluko wenzuzo yokugaywa kabusha yeminyaka eyi-10 ye 28 isigidi se-RMB.Isibalo esiphelele sikhombisa ukuthi i-LCC i 38.2% ephansi kunaleyo yezinto zensimbi kanye 15.6% iphansi kunaleyo yezinto eziqinile ze-aluminium.

Eco-b. Ukuthuthukiswa Kokuphepha: Izindlela Zokuvikela Eziyi-Multi-Dimensional Ezisekelwe Ezimweni Ezintsha Zengozi Yamandla

A. Ukuvikelwa Okunezingqimba Kokuvinjwa Kwe-Thermal Runaway kanye Nemodeli Yokuqhuba Ukushisa

Ukuzinza okushisayo kwe-aluminium alloy substrate (iphoyinti lokuncibilika 660 ℃) kuzuzwa ngohlelo lokuvikela olunezendlalelo ezintathu lwe “i-substrate – umgwengwezi – ukwakheka”:

• I-Coating Design: Ingaphezulu lekhekheba lezinyosi limbozwe nge-epoxy-based flame-retardant coating (ukwakheka: 60% I-E-44 epoxy resin, 20% i-aluminium hydroxide, 15% i-ejenti yokwelapha ye-polyamide, 5% i-defoamer), ngenkomba ye-oxygen 32% (GB / t 2406.2-2009, indlela yokushisa eqondile), ukuhlangabezana nezinga le-Class B1 lokuvikela umlilo. Ukuhlaziywa kwe-Thermogravimetric (I-TGA, 10℃/min, Isimo se-N₂) kukhombisa ukuthi isivuno se-char sifinyelela ku-800 ℃ 35%, okusho ukuthi 600% ephakeme kunaleyo yamakhekheba ezinyosi e-aluminium engagcotshiwe (5%);
• I-Structural Thermal Insulation: Amaseli avamile angama-hexagonal akha izendlalelo zomoya ezivaliwe (conductivity ezishisayo 0.026W/(m · k)), okuyinto kanye enamathelayo (conductivity ezishisayo 0.18W/(m · k)) zakha uhlelo oluhlanganisiwe lokufaka ukushisa okushisayo. Based on Fourier’s law\(q=-k\nabla T\), i-thermal conductivity iyonke ibalwa ukuze ibe ngu-0.12W/(m · k), 40% ephansi kunaleyo yamakhekheba ezinyosi e-aluminium engagcotshiwe (0.20W /(m · k)).

Ukuhlolwa kokulingisa kwe-Thermal Runaway Okwenziwa Isikhungo Sikazwelonke Sokuhlola Izinto Zemoto Yamandla Asha (I-CNAS L1234):

• Izisetshenziswa: Isifanisi sebhethri esishisayo esibalekayo (izinga lokushisa 5℃/min, izinga lokushisa eliphezulu 900 ℃);
• Izinkomba Zokuqapha: Izinga lokushisa elingemuva lomlilo (Uhlobo 38031-2020 idinga ≤180℃), Ukukhishwa kwe-CO (-khwithithita <300ppm), ubuqotho besakhiwo (akukho ukugoqa);
• Umphumela: Phakathi 30 imizuzu, izinga lokushisa lomlilo we-backfire ngu-152 ℃, Ukukhishwa kwe-CO kungu-180ppm, futhi izinga deformation kuyinto 4.8% (izinga deformation of bendabuko aluminium amapuleti kuyinto 21.5%), ukuhlangabezana ngokugcwele nezimfuneko ezijwayelekile.

B. Ukwethembeka Kwesakhiwo kanye Nokulingiswa Kwezinhlamvu Ezincane Ngaphansi Kwezindawo Ezithuthukile

Ukuthembeka Komjikelezo Wezinga lokushisa: Izivivinyo zomjikelezo wezinga lokushisa (-40℃ ngo-4h → 120℃ amahora angu-4, 50 imijikelezo) zenziwe ngokuhambisana ne-GB/T 2423.22-2012. Amandla okugunda ahlolwe kusetshenziswa umshini wokuhlola umhlaba wonke we-elekthronikhi (I-WDW-100) (GB / t 14522-2009), futhi imiphumela iyakhombisa:

• Amandla okugunda ayancipha ukusuka ku-2.1MN/m² ukuya ku-1.94MN/m², ngezinga lokunciphisa 7.6% (imfuneko yomkhakha ≤10%);
• Ukuqina kuyehla kusuka ku-3.2GPa yokuqala kuya ku-2.95GPa, ngenani lokugcina le 92.2%;
• I-Micro-Mechanism: I-Transmission Electron Microscopy (I-TEM, I-JEM-2100) ukuqaphela kubonisa ukuthi ingxenye yokuthungwa okugoqeke okubandayo {112}<110> iyancipha kusuka 35% ku 33%, futhi usayizi wokusanhlamvu awukhuli kakhulu (igcinwe ku-5-8μm), ukugwema ukuphuka kwezinga lokushisa eliphansi kanye nokuthambisa izinga lokushisa eliphezulu.

Umthelela kanye nokusebenza kokudlidliza:

• Ukuhlolwa Komphumela Webhola Eliwelayo(GB / t 1451-2005): Ibhola lensimbi elingu-5kg liwa lisuka ekuphakameni okungu-1.5m. Ikhekheba lezinyosi limunca amandla “ukuguqulwa kwepulasitiki kancane kancane kwamaseli”. Ijika lokususa amandla ngesikhathi somthelela libonisa amandla omthelela aphezulu we-8kN kanye nokumuncwa kwamandla okungu-120J (ukuguqulwa 25mm), ngaphandle kwemifantu kuphaneli. Uma kuqhathaniswa namaphaneli e-PP wezinyosi (ukumuncwa kwamandla 65J, ukuphuka ngo-15mm deformation), ukumelana komthelela kuthuthukiswa ngu 84.6%;
• Ukuhlolwa kokudlidliza(GB / t 2423.10-2019): Shanela ukudlidliza ku-10-2000Hz ngokusheshisa okungu-20m/s². I-laser vibrometer (I-PSV-500) ikala imvamisa ye-resonance ku-350Hz (ukugwema ububanzi obujwayelekile bokusebenza obungu-100-300Hz kumaphakethe webhethri), kanye nezinga lokusheshisa lokudlidliza liwukuthi 0.78 (ngaphansi kwesidingo semboni sika 1.0), ukunciphisa ingozi yokulimala kokukhathala kwethebhu (ukuhlolwa kwempilo yokukhathala kubonisa ukuthi inani lemijikelezo yokuphuka kwethebhu liyakhuphuka lisuka ku-10⁶ liye ku-10⁷).

C. Idizayini ye-Insulation System kanye nokusebenza kukagesi ku-800V High-Voltage Platform

Ezimotweni ezinamandla angu-800V (ISO 6469-3:2018), uhlelo lokuhlanganisa oluhlanganisiwe lwe “i-epoxy-fluorocarbon enezingqimba ezimbili – ungqimba lwe-air insulation” yamukelwa:

• Ukusebenza kwe-Coating: Isendlalelo se-epoxy esingezansi (30μm) inikeza ukufakwa okuyisisekelo, kanye nongqimba oluphezulu lwe-fluorocarbon (20μm) kuthuthukisa ukumelana nesimo sezulu. Imitha yokumelana okuphezulu (ZC36) ihlola ukumelana nevolumu kokuthi 1×10¹⁵Ω·cm (GB / t 1410-2006 idinga ≥1×10¹⁴Ω·cm), nge-voltage yokuwohloka ukumelana kwe-2000V (1uku, GB / t 1408.1-2016) kanye ne-dielectric loss tangent (tanδ, 1kHz) kwe 0.002 (ukulahlekelwa okuphansi kwe-dielectric ngaphansi kwemvamisa ephezulu kanye ne-voltage ephezulu, ukugwema ukushisa ngokweqile kwendawo);
• I-Air Layer Design: Ugqinsi lwengqimba yomoya kumaseli ekhekheba lezinyosi luyi-8-12mm. Ngokusho kwejika likaPaschen, Amandla enkambu yokwephuka komoya kulokhu kushuba ngu-≥3kV/mm. Kuhlanganiswe ne-coating, kuyafeza “ukufakwa kabili”. Ngisho naku 90% ukuswakama (GB / t 2423.3-2016), ukumelana nokwahlukanisa kuhlala kungu-≥1×10¹³Ω, ukunciphisa ingozi ye-short-circuit by 90%.

Ukuqhathanisa nezinto ezisetshenziswayo zokwahlukanisa (Itafula 1):

(Umthombo Wedatha: Imibiko yokuhlola evela eceleni CNAS-L1234-2024-001 kuya 004)

ICO-C. Ukuzijwayeza kwemboni: Ukwenziwa Ngokwezifiso Kwesimo Esithile kanye Nomklamo Obalulekile (Kubandakanya Ithebula Lepharamitha Lochwepheshe)

Itafula 2: I-Parametric Design Ithebula lamaphaneli e-Aluminium Foil Honeycomb angu-0.07mm Wezimo Ezintsha Zamandla

(Incwajana: Amazinga kubakaki ayisisekelo sokuhlola. Ukuminyana kwe-Areal kuhlolwa ngokuhambisana ne-GB/T 451.2-2002)

A. Indlela Yokwenza Ngokwezifiso Yamandla Ebhethri Frames

Idizayini ye-CATL CTP 3.0 amafreyimu asekelwe ekufanisweni kwe “izici zeseli – izidingo zesakhiwo”:

• Amaseli e-LFP (100kWh): Ngokuminyana kwamandla okungu-160Wh/kg, azwela kakhulu isisindo (ikhilogremu ngayinye yamaseli inikela ngo-0.16kWh wamandla). Ngakho-ke, i-pitch yeseli engu-10mm iyamukelwa (ukunciphisa ukusetshenziswa kwezinto ngo 12%) nokuminyana kwendawo okungu-3.8kg/㎡, ukuzivumelanisa nokusetshenziswa isikhathi eside ezimotweni zabagibeli (10 iminyaka / 200,000km). Ukuhlolwa kokukhathala (10⁶ imijikelezo, isilinganiso sokucindezeleka R=0.1) khombisa izinga lokugcinwa kwamandla 85%;
• Amaseli e-NCM (200kWh): Ngokuminyana kwamandla okungu-210Wh/kg kanye nokuminyana kwamandla wevolumu ephezulu (450Wh/L), ifreyimu idinga ukumelana nemithwalo ephezulu (umfutho we-cell stacking 15kPa). Ngalokho, i-cell pitch engu-8mm + izimbambo zokuqinisa ze-6061-T6 zendawo (i-elastic modulus 69GPa) zisetshenziswa, ukwandisa amandla e-flexural tensile by 6.0% kanye nokulawula ukuchezuka phakathi kuka-1.5mm/m ukuze kuhlangatshezwane nesimo somthwalo ogcwele wezimoto zezentengiselwano (isisindo esiphelele 4.5 ithambo).

Hlola ku-SUV kagesi ehlanzekile: I-Pack frame isisindo sehla sisuka ku-485kg (insimbi) kuze kufike ku-320 kg, ukunciphisa isisindo esingaphumi ngo-18kg, ukwehlisa ukucindezeleka kwesistimu yokumiswa nge 12%, kanye nokufinyeza ibanga lokubhuleka ngo-0.8m (100-0km/h). I-Epoxy structural adhesive (gunda amandla 15MPa) isetshenziselwa ukuhlanganisa inhlanganisela, ukunciphisa ukusetshenziswa kwebhawudi nge 40% kanye nokunciphisa umjikelezo wokuhlanganisa usuka ku-120s/unithi uye ku-72s/unithi, ngcono ukusebenza kahle by 40%.

B. I-Scenario-Specific Optimization for Energy Storage Equipment

• AmaKhabhinethi Okugcina Amandla Wasekhaya (5-20kWh): Idizayini engu-15mm ezacile incike ezicini zokungenisa umoya zeziteshi zekhekheba lezinyosi (isivinini somoya 0.3m/s, Re=1200, isimo sokugeleza kwe-laminar), ngamandla emvelo okukhipha ukushisa angu-5W/㎡·K. Umehluko wokushisa wangaphakathi wekhabhinethi ngu-≤5℃ (12℃ amakhabethe ensimbi bendabuko), yonga u-80kWh wokusetshenziswa kwamandla kwabalandeli baminyaka yonke (kubalwe ngokusekelwe ekusebenzeni kwansuku zonke okungu-8h namandla fan angu-40W);
• Iziteshi Ezinkulu Zokugcina Amandla (100MWh+): Iphaneli eliwugqinsi elingu-25mm lengezwe nge-a 15% I-E-glass reinforcement layer. Ukulungiswa kwesixhumi esibonakalayo (i-silane coupling agent KH-550) inyusa amandla okuhlangana esibonakalayo phakathi kwe-glass fibre ne-aluminium foil ibe ngu-10MPa (i-tensile shear test, GB / t 7124-2021), ukuthuthukisa ukumelana nengcindezi yomoya ukusuka ku-1.0kPa ukuya ku-1.5kPa (GB / t 5135.1-2019, isivinini somoya semhubhe womoya singu-30m/s), ukuhlangabezana nezimo zesishingishane ezindaweni ezisogwini (100-inkathi yokubuya konyaka isivinini somoya sesishingishane esingu-45m/s).

Eco-d. I-Technical Bottlenecks kanye ne-Cutting-Edge Development

A. Ukuphumelela Kwenqubo Eyisisekelo Ekukhiqizeni Ifoyili Ye-Aluminium Encane Encane

I-Plate Shape Control Bottleneck: Ukugingqika kwefoyili ye-aluminium engu-0.07mm kujwayeleke ukubakhona “amagagasi aphakathi” (ubude be-waveleng 500-800mm, ukuphakama kwamagagasi 3-5mm), ngezinga lesivuno kuphela 80% izigayo zendabuko ezine-high ezibandayo ezigoqayo. Impumelelo ifinyelelwa:

• Ukusetshenziswa kwe-HC Six-High Cold Rolling Mills: Ububanzi bomugqa womsebenzi φ120mm, isipele roll ububanzi φ600mm. Ukulawula okuhlanganisiwe kwe “ukugoba okuhle/okubi + ukushintsha umqulu okuphakathi” yamukelwa, ngamandla okugoba angu-±50kN kanye nobubanzi obuguquguqukayo obungu-±15mm, ukulawula ukubekezelelana komumo wepuleti ngaphakathi kwe-5I;
• I-Asynchronous Rolling Process: Umehluko wesivinini 2%-3% phakathi kwamaroli aphezulu naphansi kwethula uhlobo lwe-shear γ=0.05-0.08, okwenza insimbi igeleze ngendlela efanayo ngesikhathi sokugoqa. Izinga lokuvela kwamagagasi amaphakathi liyancipha ukusuka 15% ku 3%, futhi izinga lesivuno liyakhuphuka libe 92%.

Ukhiye Wokulawula Ukungcoliswa Kwamafutha: Amafutha aginqikayo ayinsalela endaweni ye-aluminium foil (ikakhulukazi yakhiwe uwoyela base + amafutha acid ester izithasiselo) kunciphisa isixhumi esibonakalayo amandla okubopha of the honeycomb core by 30%. Inqubo ehlanganisiwe ye “ukuhlanza i-electrolytic – umoya oshisayo omiswe” yamukelwa:

• Electrolytic Cleaning: 5% UNaoh + 3% Isixazululo se-na₂co₃, izinga lokushisa ngu-60 ℃, ukuminyana kwamanje 2A/dm², isikhathi electrolysis 30s, ngokusebenza kahle kokukhipha uwoyela ≥95%;
• I-Hot Air Drying: 120℃ umoya oshisayo (isivinini somoya 5m/s), isikhathi sokumisa 15s. Inani likawoyela eliyinsalela lehliswa libe ngu-2.3mg/m² (GB / t 16743-2018 idinga ≤5mg/m²), futhi amandla okubopha esibonakalayo agcinwa ngokuzinzile ku-12MPa (GB / t 7124-2021).

B. Izindlela Zobuchwepheshe Zokunqamula kanye Namathemba Okwenziwa Kwezimboni

• I-Material Innovation: Ukuthuthukiswa kwe ucwecwe oluyinhlanganisela ye-aluminium-graphene (i-graphene eyengeziwe 0.5%) usebenzisa a “i-ball milling-ultrasonic composite dispersion” enza ngendlela ethile (isivinini sokugaya ibhola 300r/min, amandla e-ultrasonic 600W). Izinga lokuhlakazeka kwendiza ye-graphene ngu-≥90%. Ukubhekwa kwe-TEM kubonisa ukuthi i-graphene yakha i-a “isakhiwo sokuqinisa njengenethiwekhi” ku-matrix ye-aluminium. Amandla okuqina okuhlosiwe angama-350MPa (17% ngaphezulu kuka-3003/H18), nge elongation ngesikhathi sekhefu agcinwe at 12% (ukugwema brittleness), ukuzivumelanisa nesidingo sokuminyana kwamandla aphezulu 4680 amaseli amakhulu angama-cylindrical (300Wh/kg);
• Inqubo Entsha: Ukuthuthukiswa kwe-honeycomb core-panel edidiyelwe inqubo yokwakhiwa kokucindezela okushisayo. Isilawuli sokushisa kwesikhunta sisetshenziswa ukulawula izinga lokushisa ku-180 ℃, ingcindezi ku-1.5MPa, nesikhathi sokubamba ku-10min, ukuzuza ngokuqondile ukuhlangana kwe-metallurgical phakathi kwe-honeycomb core kanye nephaneli, ukuqeda inqubo yokuhlanganisa. Umjikelezo wokukhiqiza ufinyezwa kusukela ku-72h kuya ku-48h, futhi ukuguga enamathela kuyagwenywa (amandla attenuation kunciphisa kusuka 15% ku 5% ngemva kokuguga ngo-120 ℃ ngo-1000h);
• Ukunwetshwa kohlelo lokusebenza: Ukuthuthukiswa kwe-Al₂O₃-SiO₂ yenhlanganisela ye-ceramic coating (ubukhulu 15μm) amabhethri esimo esiqinile (izinga lokushisa lokusebenza 150 ℃) usebenzisa inqubo yokufafaza nge-plasma (amandla okufafaza angu-40kW, ibanga 150mm). Ukuminyana kwe-coating ≥95%, ukukhulisa ukumelana nokushisa okuphezulu ku-200 ℃ ngenkathi kugcinwa ukumelana ne-voltage ephukile engu-2000V, ukuzivumelanisa nenqubekelaphambili yezimboni yamabhethri esimo esiqinile yiToyota neCATL (2025-2027).

Eco-e. I-Core Q&A: Ukuhlaziywa Okujulile Ngombono Wochwepheshe

Q1: Siyini isisekelo sokwenziwa ngcono kwe-Pareto yobukhulu be-aluminium foil engu-0.07mm?

A: Ngokusekelwe ku- “izindleko-ukusebenza-inqubo” Ijika le-Pareto optimization (Umfanekiso 1), 0.07mm ilele emngceleni ofanele wejika:

• Ubukhulu Bokusebenza: Uma kuqhathaniswa ne-aluminium foil engu-0.05mm, amandla okuqina ayanda 15% (280I-MPa vs 243MPa), namandla okugunda ayanda 18% (2.1MN/m² vs 1.78MN/m²), ukuhlangabezana nemfuneko yengcindezi yokunqwabelanisa engu-15kPa yamaphakethe ebhethri; impilo yokukhathala (10⁶ imijikelezo) iyanda nge 25%, ukugwema “ukuphuka kokukhathala okuphansi komjikelezo” we-ultra-thin foil;
• I-Cost Dimension: Uma kuqhathaniswa ne-aluminium foil engu-0.09mm, ukusetshenziswa kwempahla kuncishiswa ngo 22% (ukuminyana kwendawo 3.8kg/㎡ vs 4.87kg/㎡), izindleko zeyunithi zehliswa ngo 18% (200 I-RMB/㎡ vs 244 I-RMB/㎡), futhi ukusetshenziswa kwamandla okuguquguqukayo kuncipha ngo 12% (120kWh/ton vs 136kWh/ton);
• I-Process Dimension: Izinga lokukhiqiza le-aluminium foil engu-0.05mm kuphela 75% (ejwayele ukuphuka), kuyilapho i-0.09mm idinga amandla aphezulu okugoqa (280kN vs 220kN), ukwandisa ukugqokwa kwemishini 20%. Ngokungqubuzanayo, 0.07mm inesilinganiso sokukhiqiza se 92% futhi amandla ayo aginqikayo afana nezigayo ezikhona ze-HC eziyisithupha-high, okuholela ekutheni kube nokwenzeka okuphezulu kakhulu kwezezimboni.

Okwabomvana: Ingabe ukusebenza kokukhathala kwamaphaneli e-honeycomb ecwecwe le-aluminium engu-ultra-thin aluminium kuyahlangabezana nemfuneko yesevisi yeminyaka eyi-10/200,000km yezimoto zamandla amasha?

A: Ukuqinisekisa ngokuhlolwa kokukhathala (GB / t 30767-2014, isilinganiso sokucindezeleka R=0.1, imvamisa 10Hz) imibukiso:

• Isimo Sozimele Webhethri Yamandla: Ingcindezi enkulu σ_max=80MPa (accounting for 28.6% lamandla aqinile). Ngemuva kwemijikelezo engu-10⁷, izinga lokugcinwa kwamandla li 88% (GB / t 38031-2020 idinga ≥80%), okuhambisana nebanga lokushayela lika-200,000km (cishe 500 imijikelezo yokudlidliza ngekhilomitha);
• Isimo seKhabhinethi Yokugcina Amandla: Ingcindezi enkulu σ_max=50MPa (accounting for 17.9% lamandla aqinile). Ngemva kwemijikelezo engu-10⁸, izinga lokugcinwa kwamandla li 92%, ohambelana nomjikelezo wenkonzo weminyaka eyi-15 (cishe imijikelezo yokudlidliza engu-6.7×10⁶ ngonyaka);
• I-Micro-Mechanism: Ngesikhathi sokukhathala, ukuminyana kokususwa kwe-aluminium matrix kukhuphuka ukusuka ku-1×10¹⁴m⁻² ukuya ku-3×10¹⁴m⁻², kodwa akukho mifantu yokukhathala okusobala okwakhiwayo (Ukubhekwa kwe-SEM kubonisa ukuthi ukujula kwe-dimple yokuphuka kugcinwa ku-8-10μm), eqinisekisa ukwethembeka kwenkonzo yesikhathi eside.

I-Q3: Ingabe okokusebenza kuhlangabezana nokuhambelana kwe-Electromagnetic (I-EMC) izidingo zamapulatifomu angu-800V aphezulu-voltage?

A: Ukuqinisekisa ngokuhlolwa kwe-EMC (GB / t 18655-2018) iqinisekisa ukuhambisana ngokugcwele nezidingo zeplathifomu ye-800V:

• Ukuphazamiseka Kwemisebe: Kubhendi yefrikhwensi engu-30MHz-1GHz, i-voltage yokuphazamiseka ingu-≤40dBμV (umkhawulo 46dBμV), abazuzayo endaweni yokuvikela i-electromagnetic ye-aluminium foil (ukusebenza kokuvikela ≥40dB, GB / t 17738-2019);
• Kwenziwa Ukuphazamiseka: Kubhendi yefrikhwensi engu-150kHz-30MHz, isiphazamiso samanje ≤54dBμA (umkhawulo 60dBμA). Ungqimba lomoya kanye nokunameka kwamaseli ekhekheba lezinyosi kwakha i “I-impedance yokufanisa isakhiwo” ukunciphisa ukuphazamiseka okwenziwe;
• Ukungavikeleki: Akukho okungavamile okwenzeka ekukhishweni kwe-electrostatic (ESD) izivivinyo (ukukhishwa kokuxhumana 8kV, ukukhishwa komoya okungu-15kV, GB / t 17626.2-2018). Ngenxa yokumelana kwezinto ezibonakalayo kwe-1 × 10⁸Ω (phakathi kwe-conductor ne-insulator), ugesi omile ungakhishwa kancane ukuze ugweme ukuwohloka.

I-Q4: Ithini i-synergistic heat dissispation mechanism phakathi kwale nto kanye nesistimu yokupholisa uketshezi eziteshini ezinkulu zokugcina amandla?

A: Nge-CFD (Ukuqephuza) ukulingisa nokuqinisekisa ukuhlolwa, uhlelo lwe-synergistic lokususa ukushisa “iseli convection yemvelo – ukupholisa uketshezi ngenkani convection” kwakheka:

• Iziteshi zezinyosi: 8-12I-mm cell pitch yenza amashaneli aqondile e-convection anesivinini somoya esingu-0.3-0.5m/s namandla okukhipha ukushisa angu-5-8W/㎡·K, ukunciphisa izinga lokushisa elingaphezulu kwamaseli okugcina amandla lisuka ku-55℃ liye ku-48℃;
• I-Liquid Cooling Synergy: Ipuleti lokupholisa eliwuketshezi lihlanganiswe nephaneli yekhekhe lezinyosi kusetshenziswa i-adhesive conductive eshisayo (I-thermal conductivity 2W/(m · k)). Iphaneli lekhekheba lezinyosi lisebenza njenge-a “ungqimba oluphakathi lwe-thermal conductive”, ukwandisa ukusebenza kahle kokudluliswa kokushisa kusuka kumaseli kuya epuleti lokupholisa eliwuketshezi nge 15% (ukumelana nokushisa kunciphisa ukusuka ku-0.15K/W kuye ku-0.13K/W uma kuqhathaniswa nokubopha okuqondile);
• I-Temperature Uniformity: Ukuchithwa kokushisa kwe-Synergistic kunciphisa umehluko wokushisa wangaphakathi wekhabethe ukusuka ku-8 ℃ kuye ku-3 ℃ (GB / t 36276-2018 idinga ≤5℃), ukugwema ukuncishiswa kwamandla eseli okubangelwa izindawo ezishisayo zendawo (izinga lokugcinwa kwamandla liyakhuphuka lisuka 85% ku 90% ngemva 1000 imijikelezo).

I-Q5: Ingabe I-Life Cycle Assessment (I-LCA) yale nto ihambisana ne “Ikhabhoni embaxambili” imigomo?

A: Ukuhlaziywa kwe-LCA ngokuhambisana ne-ISO 14040-2006 (i-cradle-to-grave, iyunithi yokusebenza: 1㎡ iphaneli yekhekheba lezinyosi) imibukiso:

• Ukusetshenziswa kwamandla: Amandla asetshenziswa esigabeni sokukhiqiza ngu-280kWh (okuhlanganisa ukuncibilika kwe-aluminium, eqa, kanye nokwakha), okusho ukuthi 46% ngaphansi kunaleyo yamafreyimu ensimbi (520kWh) futhi 67% ephansi kunaleyo yamaphaneli e-carbon fibre honeycomb (850kWh);
• Ukukhishwa Kwekhabhoni: Ukukhishwa komjikelezo ogcwele we-CO₂ ngu-12kg, okusho ukuthi 57% ngaphansi kunaleyo yamafreyimu ensimbi (28uhlobo) futhi 73% ephansi kunaleyo yamaphaneli e-carbon fibre honeycomb (45uhlobo) (ukukhiqizwa kwe-carbon fibre kudinga i-acrylonitrile oxidation, okuholela ekukhishweni kwekhabhoni ephezulu);
• Sebenzisa kabusha: Aluminium ucwecwe kungaba 100% igaywe kabusha ngokuncibilika, ngokusetshenziswa kabusha kwamandla kuphela 5% ye-aluminium yokuqala (GB / t 27690-2011). Ukugaywa kabusha kuphelile 10 iminyaka inganciphisa ukukhishwa kwe-CO₂ ngo-8kg/㎡, ngokuhambisana nesidingo se-carbon footprint (≤100kg CO₂eq/kWh) we-EU New Battery Regulation (2023/1542).