Txheem cov hlau-platform tso tsheb hlau luam rau bevs thiab FCEVS siv Thermoplastic thiab cov thermoset composites uas muab 25% ntau H2 cia. #hydrogen #trends
Tom qab sib koom tes nrog BMW qhia tias lub cubic tank tuaj yeem xa cov phiaj xwm volumetric siab dua li ntau cov qauv kev ua haujlwm thiab cov txheej txheem tsim khoom lag luam rau kev tsim khoom. Duab Credit: Tu Dresden (Top) Sab laug), Technical University of Munich, Department of Carbon Composites (LCC)
Roj Cell Hlau Hluav Taws Xob (FCEVS) Powered by Powered by Powered by Powered by Powered by Powered by Powered (H2) Hydrogen muab cov txiaj ntsig ntxiv kom ua tiav cov phiaj xwm ib puag ncig. Lub tsheb thauj neeg roj nrog H2, KM, tab sis yog tam sim no kim kim heev tagnrho. Ib txoj hauv kev los txo cov nqi yog siv lub standard platform rau Bev thiab Fcev qauv. Qhov no tam sim no tsis tau vim tias hom tshuaj tso tsheb hlau cylindrical siv los khaws kev sib tsoo H2 roj teeb tsis haum rau cov roj teeb hauv qab uas tau tsim qauv rau cov tsheb hluav taws xob. Txawm li cas los xij, cov hlab ntsha siab nyob rau hauv daim ntawv ntawm ncoo thiab cubes tuaj yeem haum rau hauv qhov chaw ntim khoom no.
Patent US5577630A rau "composite conformal siab txog ntsha", sau ntawv foob los ntawm xyoo 1995 (sab laug) thiab lub raj tivthaiv nkoj patented los ntawm BMW xyoo 2009 (txoj cai).
Lub Department of Carbon Composites (LCC) ntawm Lub Tsev Kawm Ntawv Qib Siab ntawm Munich (Tum, Lub teb chaws Yelemees) muaj feem cuam tshuam hauv ob txoj haujlwm los txhim kho lub tswvyim no. Qhov thib ib yog polymers4hydogen (P4H), coj los ntawm cov Leoben Polymer Letort Center (PCCL, Leoben, Austria). LATCC ua haujlwm pob yog coj los ntawm tus Elizabeth GRACE.
Txoj haujlwm thib ob yog qhov ua qauv qhia txog hydrogen thiab kev txhim kho ib puag ncig (hydard), uas lcc yog coj los ntawm kev tshawb fawb Christian Jaeger. Ob lub hom phiaj los tsim cov qauv kev ua qauv loj ntawm kev tsim cov txheej txheem tsim kom ua ib qho kev sib xyaw CGH2 siv cov roj teeb carbon fiber ntau.
Muaj tsawg volumetric efficiency thaum me diam salinder yog ntsia hauv cov roj teeb tiaj (sab laug) thiab cov pa roj carbon fiber ntau / epoxy composite sab xis). Cov duab duab: Cov duab 3 thiab 6 yog los ntawm "Daj Tsim Qauv Rau Ntaus II siab Box nrog sab hauv cov kab nro sab hauv" los ntawm RUF thiab Zaremba li al.
P4H tau muab cov khoom siv ntsuas ua ke ua rau lub nroog Thermial Cov neeg ntiav no yuav siv cov qauv zoo sib xws, tab sis yuav siv tsis zoo no feem kev tso tsheb (AFP) los tsim txhua yam thermoplastic plhaw.
Los ntawm daim ntawv thov patent los ntawm thiokol corpal siab lub siab (xyoo 1997, Cov. Cov ntsiab lus siv tau kom lawv tuaj yeem tiv taus lub zog ntawm kev nthuav dav ntawm cov roj.
Ib qho 2006 Lawrence Livermore Lub teb chaws chav kuaj (LLNL) thiab lub thawv rov qab, muaj cov qauv sab hauv uas muaj cov ntu me me (piv txwv li, hexagonal yas ib ncig) thiab ib Kev sib xyaw ntawm cov tawv nqaij sab nraud nyias nyias. Thev cov thawv ntim tau zoo tshaj rau cov thawv loj dua qhov chaw uas ib txwm muaj yuav nyuaj rau kev thov.
Patent de102009057170A thov sau los ntawm Volkswagen hauv xyoo 2009 piav txog lub tsheb sib zog uas yuav ua rau muaj qhov hnyav thaum txhim kho qhov chaw siv. Cov tso tsheb hlau luam tawm siv cov sib txuas nruj ntawm ob lub kab sib dhos uas rov qab sib dhos, thiab cov fab yog puag ncig.
Cov ntsiab lus saum toj no thiab lwm cov ntsiab lus raug nplua los ntawm gleiss hauv daim ntawv "txheej txheem txhim kho rau cubic siab cov hlab ntsha nrog ncab cov khoom" los ntawm Gleiss li al. Ntawm ECCM20 (Lub Rau Hli 26-30, 2022, Lausanne, Switzerland). Hauv tsab xov xwm no, nws hais txog kev kawm Tum thiab Sven Zaremba nrog cov thooj voos kheej nrog ntau dua li cov roj teeb me me, muab cov roj teeb ncaj qha, muab kwv yees li 25 % ntxiv. chaw cia.
Raws li greiss, qhov teeb meem nrog txhim kho ntau hom me me 4 lub thooj voos kheej kheej yog tias "lub tshuab hluav taws xob yog qhov txo qis thiab lub kaw lus kuj muaj H2 roj loj heev. Zuag qhia tag nrho, lub kaw lus muab cov khoom ntim tsawg dua li Cubic jars. "
Txawm li cas los xij, muaj lwm yam teeb meem nrog lub tank cov lus sau. "Pom tseeb, vim tias ntawm cov roj compressed, koj yuav tsum tau cuam tshuam cov roj hmab khoov ntawm cov phab ntsa tiaj," gleiss hais. "Rau qhov no, koj xav tau cov qauv txhawb nqa uas txuas rau sab hauv rau phab ntsa ntawm lub tank. Tab sis hais tias yog ib qho nyuaj ua nrog cov khoom sib xyaw. "
GRACE thiab nws pab neeg tau sim ua kom muaj kev cuam tshuam cov kev pab cuam lub siab tawv hauv txoj kev uas yuav haum rau cov txheej txheem windament. "Qhov no yog qhov tseem ceeb rau kev tsim khoom siab," thiab kuj tso cai rau peb los tsim cov thawv winding los ua kom zoo rau txhua qhov kev sib tw hauv thaj chaw. "
Plaub kauj ruam los ua kom muaj kev sim plaub lub taub dej lim dej rau P4H txoj haujlwm. Duab credit: "Kev loj hlob ntawm cov txheej txheem ntau lawm rau kev sib tw ntawm Munich, Polymers4HyDrogen project, ECCM20, Lub Rau Hli 2022.
Yuav kom ua tiav on-saw, pab pawg tau tsim lub tswvyim tshiab muaj plaub ntu tseem ceeb, raws li qhia saum toj no. Cov kev ntxhov siab ntxhov siab, qhia hauv cov kauj ruam ntawm cov kauj ruam, yog prefabricated kos qauv qauv siv los ntawm Mai Skelett Project. Rau txoj haujlwm no, BMW tsim lub tshuab ua cua "" siv plaub fiber ntau-txhawb nqa pas nrig, uas tau muab pwm rau hauv cov kab yas.
Tus ncej ntawm lub cubic tank tank. Hexagonal Skeletal ntu 3D luam tawm los ntawm Tume siv Unreinorced Pla Fense (sab saum toj), nruab nrab) thiab tom qab ntawd qhwv cov lus ci ntsa iab nyob ib ncig ntawm kev ua yeeb yam (hauv qab). Duab credit: Technical University of Munich LCC.
"Lub tswv yim yog tias koj tuaj yeem tsim cov ncej ntawm lub cubic ntawm lub cubic tank ua cov qauv qauv," gace tau hais. "Cov qauv no tau muab tso rau hauv cov cuab yeej molding, lub nro struts tau muab tso rau hauv cov ncej kab, thiab tom qab ntawd mai skelett txoj kev yog siv nyob ib ncig ntawm cov struts los sib xyaw nrog cov ncej." Tom qab huab hwm coj ntau lawm, ua rau tus qauv uas yog tom qab ntawd siv los ua mandrel lossis core los qhwv lub taub ntim cia.
Tum Tsim Cov Khaub Ncaws Hluav Taws Xob li Cov Cubic "Cushion" nrog cov qauv nyob rau sab saum toj thiab hauv qab uas yuav tuaj yeem tso thiab txuas nrog. Lub qhov rau cov racks no tseem yog 3D luam tawm. "Rau peb thawj zaug sim tank, peb tau luam tawm cov lej roj teeb hexagonal siv cov tshuaj polylactic) vim tias nws yooj yim thiab pheej yig hais.
Pab neeg yuav 68 pultruded carbon fiber ntau txhawb polyamide 6 (pa6) pas nrig ntawm sgl carbon (meiten, lub teb chaws Yelemees) rau siv raws li ties. "Los sim lub tswvyim, peb tsis tau ua ib qho moulding," tab sis tsuas ntxig cov neeg txuas mus rau hauv 3D luam tawm honeycomb core ncej thiab glued lawv nrog epoxy kua nplaum. Qhov no ces muab mandrel rau winding lub tank. " Nws sau ntawv hais tias txawm hais tias cov pas nrig no tau yooj yim rau cua, muaj qee cov teeb meem yuav tau piav qhia tom qab.
"Nyob rau thawj theem, peb lub hom phiaj yog los ua kom ua tau qhov tsim tawm ntawm tus qauv tsim qauv thiab paub cov teeb meem hauv cov ntsiab lus ntau lawm," piav qhia gleiss. "Yog li lub nro sib cav los ntawm sab nraud ntawm cov qauv pob txha, thiab peb txuas cov pa roj carbon fibers rau cov tub ntxhais no siv cov hmoov av ntub. Tom qab ntawd, nyob rau theem peb, peb khoov lub taub hau ntawm txhua tus pas nrig. Thermoplastic, yog li peb tsuas yog siv cov cua sov los kho lub taub hau kom nws flattens thiab locks rau hauv thawj txheej ntawm qhwv. Peb tom qab ntawd npaj mus qhwv tus qauv dua ces tias lub tiaj tiaj thawb lub taub hau yog geometralralralrality uas tau ntim hauv lub tank. laminate rau ntawm phab ntsa.
Lub raj nplaim raj rau winding. Tum siv lub kaus mom yas rau ntawm qhov kawg ntawm cov pas nrig tiv thaiv kom tiv thaiv cov fibers los ntawm tangling thaum lub sij hawm windament winding. Duab credit: Technical University of Munich LCC.
Gemace rov hais dua tias thawj lub tank thawj yog pov thawj ntawm lub tswv yim. "Kev siv ntawm 3D luam tawm thiab kua nplaum tsuas yog rau kev pib kuaj thiab muab lub tswv yim ntawm qee cov teeb meem uas peb tau ntsib. For example, during winding, the filaments were caught by the ends of the tension rods, causing fiber breakage, fiber damage, and reducing the amount of fiber to counter this. Peb tau siv ob peb lub kaus mom yas ua cov khoom lag luam uas tau muab tso rau ntawm cov laminates ua ntej cov laminates sab hauv, peb tshem tawm cov laminates sab hauv, peb muab tshem tawm cov laminates sab hauv, peb tau tshem tawm cov laminates sab hauv, peb tshem tawm cov laminates sab hauv thiab rov kho cov ncej ua ntej qhwv kawg. "
Pab neeg sim nrog ntau txoj kev rov tsim kho cov scenchos. "Cov uas saib ib ncig ua haujlwm zoo tshaj plaws," hais txoj kev tshav ntuj. "Kuj, thaum lub sij hawm prototyping prototyping, peb siv ib qho hloov vuam cuab tam los siv cov cua sov thiab rov kho tus pas nrig mus. Nyob rau hauv ib lub tswvyim ntau lawm, koj yuav muaj ib qho khoom siv loj dua uas tuaj yeem tsim thiab tsim txhua qhov xaus ntawm cov struts mus rau hauv lub hnub qub tou tib lub sijhawm. Cov. "
Drawbard Hau rov kho dua. Tum sim nrog cov ntsiab lus sib txawv thiab hloov kho cov ntaub ntawv vers los ua kom haum rau txuas rau ntawm cov phab ntsa tankinate. Duab credit: "Kev loj hlob ntawm cov txheej txheem ntau lawm rau kev sib tw ntawm Munich, Polymers4HyDrogen project, ECCM20, Lub Rau Hli 2022.
Yog li, lub laminate yog kho tom qab thawj kauj ruam winding, cov posts ua tiav cov filaments, thiab tom qab ntawd lub tank phab ntsa laminate yog kho lub sijhawm thib ob. Thov nco ntsoov tias qhov no yog hom 5 tank tsim, uas txhais tau tias nws tsis muaj cov yas yas ua ib lub roj av. Saib kev sib tham hauv cov kauj ruam txuas ntxiv hauv qab no.
"Peb txiav thawj zaug demo rau hauv cross cov ntu thiab mapped qhov chaw sib txuas," gace tau hais. "Qhov kev sib ze tau qhia tias peb muaj qee cov teeb meem zoo nrog lub laminate, nrog lub taub hau strut lub taub hau ntawm sab hauv laminate."
Kev daws teeb meem nrog cov khoob ntawm lub laminate ntawm sab hauv thiab sab nraud phab ntsa ntawm lub tank. Qhov hloov khi hlua khi lub taub hau tsim cov kis ntawm thawj thiab thib ob lem ntawm lub sim tank. Duab credit: Technical University of Munich LCC.
Thawj zaug no 450 x 290 x 80mm Tank tau ua tiav tiav lub caij ntuj sov lub caij ntuj sov. "Peb tau ua ntau yam kev nce qib txij li ntawd, tab sis peb tseem muaj qhov sib txawv ntawm sab hauv thiab sab nraud laminate," gace tau hais. "Yog li peb tau sim sau cov khoob nrog dej ntshiab, siab viscosity resin. Qhov no yeej txhim kho kev sib txuas ntawm cov studs thiab lub laminate, uas zoo heev nce cov neeg kho tshuab kev ntxhov siab. "
Pab pawg txuas ntxiv los tsim cov qauv tsim tank thiab cov txheej txheem, suav nrog cov kev daws teeb meem uas xav tau cov qauv winding. "Ob sab ntawm lub tale tank tsis tau tag nrho vim tias nws nyuaj rau qhov geometry no los tsim txoj kev winding," gace tau piav qhia. "Peb thawj lub kaum sab xis yog 75 °, tab sis peb paub tias ntau lub voj voos xav tau kom tau raws li lub thauj khoom hauv lub siab siab no. Peb tseem tab tom nrhiav kev daws teeb meem rau cov teeb meem no, tab sis nws tsis yooj yim nrog lub software tam sim no ntawm kev ua lag luam. Nws yuav dhau los ua txoj haujlwm rov qab ua.
"Peb tau ua kom pom qhov ua tau ntawm cov ntsiab lus ntau lawm," "Kuaj xyuas sab nraud ntawm lub tshuab kuaj. Koj rub cov spacers tawm ntawm lub laminate thiab sim cov neeg kho tshuab thauj uas cov pob qij txha tuaj yeem tiv taus. "
Qhov no ntawm cov polymers4hydrogen project yuav ua tiav thaum kawg ntawm 2023, los ntawm lub sijhawm twg gleis kev cia siab kom tiav cov qauv thib ob tank. Qhov nthuav tawm, Tsim Niaj Hnub No Siv Siv Yooj Yim Thermoplastics nyob rau hauv lub thav duab thiab thermoset composites nyob rau hauv lub tank phab ntsa. Yuav qhov no hybrid txoj hauv kev yuav siv nyob rau hauv cov qauv qhia zaum kawg? "Yog," txoj kev tshav ntuj hais. "Peb cov neeg koom tes hauv polymers4hydrogen project yog txhim kho epoxy resins thiab lwm yam matrix cov khoom nrog zoo dua hydrogen cov khoom muaj zog." Nws teev ob tus khub ua haujlwm ua haujlwm ntawm txoj haujlwm no, PCCL thiab University of Tampere (Tam sim no, Finland).
Gleiss thiab nws pab neeg kuj pauv cov ntaub ntawv thiab tham txog cov tswv yim nrog Jaeger ntawm cov phiajcer thib ob los ntawm LCC conformal composite tank.
"Peb yuav tau ua cov kev ua conmal composite siab lub siab xav rau kev tshawb fawb drones," Jaeger hais. "Qhov no yog kev sib koom tes ntawm ob lub chaw haujlwm ntawm Aerospace thiab Geodetic Department of Tum - LCC thiab Department of High Android Technology (HT). Lub phiaj xwm yuav ua tiav tiav thaum xaus 2024 thiab peb tau ua tiav cov hlab siab siab. Ib qho qauv tsim uas yog ntau dua ntawm ib lub aerospace thiab txuas ntxiv mus kom ze. Tom qab thawj zaug lub tswv yim theem, kauj ruam tom ntej yog los ua cov ncauj lus kom ntxaws thiab kwv yees kev ua haujlwm ntawm phab ntsa. "
"Tag nrho lub tswv yim yog los tsim kho cov kev tshawb fawb nrog lub tshuab roj thiab roj teeb roj teeb," nws txuas ntxiv. Nws yuav siv lub roj teeb thaum lub zog thauj khoom siab (piv txwv li lub siab thauj khoom (piv txwv li tsaws) thiab tom qab ntawd hloov mus rau cov roj cell thaum lub teeb thauj khoom. "Tus pab pawg hist twb tau tshawb fawb thiab rov ua dua cov powertrain siv ob lub roj teeb thiab roj hlwb," Yoager tau hais. "Lawv kuj yuav ib qho CGH2 TANK los sim cov kis no."
"Kuv pab neeg tau ua haujlwm nrog kev tsim lub siab tank prototype uas yuav haum, tab sis tsis yog vim tias cov teeb meem ntim khoom uas lub cylindrical lub tank yuav tsim," nws piav qhia. "Ib qho kev ua kom lub tshuab raj tsis muaj cua ntau heev. Yog li koj tau txais kev ua haujlwm zoo dua ya. " Tank Qhov ntev kwv yees li. 830 x 350 x 173 hli.
Tag nrho cov thermoplastic afp li tank. Rau cov phiaj xwm hicden ntawm Tum tau tshawb txog kev ua kom zoo sib xws nrog kev siv ntau cov qauv txheej txheem, uas tau dhau los siv ntau yam siv AFP (hauv qab). Duab credit: Technical University of Munich LCC.
"Ib lub tswv yim zoo ib yam li Elisabeth [GLEIS's] txoj kev mus kom ze," Thov kev nro kom them nyiaj rau lub rog siab. Txawm li cas los xij, es tsis txhob siv cov txheej txheem winding los ua lub tank, peb siv AFP. Yog li ntawd, peb xav txog kev tsim ib ntu cais ntawm lub siab siab ntawm lub siab, uas cov racks twb tau sib xyaw. Cov kauj ruam no tso cai rau kuv sib txuas ntau ntawm cov kev sib xyaw no thiab tom qab ntawd thov kom kaw txhua yam ua ntej qhov kawg afp winding. "
"Peb tseem tabtom sim ua kom tiav cov ntaub ntawv xaiv," thiab tseem ceeb heev kom ntseeg tau qhov tsim nyog tiv thaiv H2 roj kev nkag mus. Rau qhov no, peb tsuas yog siv thermoplastic cov ntaub ntawv thiab ua haujlwm ntawm ntau yam li cas cov khoom coj cwj pwm no thiab kev ua hauv lub tshuab ua haujlwm afp. Nws yog ib qho tseem ceeb kom nkag siab yog tias kev kho mob yuav muaj qhov cuam tshuam thiab yog tias yuav tsum muaj kev ua tom qab. Peb kuj xav paub yog tias sib tshuam sib txawv yuav cuam tshuam rau hydrogen permeration los ntawm lub nkoj siab. "
Lub tank yuav tau ua los ntawm thermoplastic thiab cov strips yuav raug muab los ntawm Teijin Carbon Europe Gmbh (WupperTal, Lub Tebchaws Yelemees). "Peb yuav siv lawv lub pps [polyphenylene sulfide], Peek [Polyeting Ketone] thiab LM Paek [qis melting Polyaryl Ketone] cov ntaub ntawv," Yager tau hais. "Kev sib piv yog tau ua kom pom qhov twg yog qhov zoo tshaj rau kev tiv thaiv kev nkag mus thiab chaw ua haujlwm nrog kev ua tau zoo dua." Nws vam tias ua tiav kev sim, qauv thiab cov txheej txheem ua qauv thiab ua ntej ua qauv qhia nyob rau xyoo tom ntej.
Cov kev tshawb fawb tau ua tiav nyob rau hauv lub comet module "polymers4hydrogen" (ID 21647053) (ID) Cov. Cov kws sau ntawv ua tsaug Pmben GmbH (PCCL, Cov ntaub ntawv). ) Science), Peak Tshuab thiab Feurecia pab txhawb rau cov haujlwm tshawb fawb no. Lub Koom Haum Me Nyuam Dej Modul tau nyiaj txiag.
Cov ntawv qhia ua ntej rau cov khoom siv thauj khoom muaj cov qauv txuas ntxiv muaj cov fibers txuas ntxiv - tsis yog los ntawm cov carbon thiab aramid.
Muaj ntau txoj hauv kev los ua cov tshuaj sib thooj. Yog li ntawd, kev xaiv ntawm txoj kev rau ib feem tshwj xeeb yuav nyob ntawm cov khoom siv, tus qauv tsim ntawm ib feem, thiab qhov kawg siv lossis daim ntawv thov. Ntawm no yog Phau Ntawv Qhia Xaiv.
Shocker Composites thiab R & C & Thoob Ntiaj Teb yog tsim cov khoom siv roj carbon fiber ntau dua thiab yuav muaj qhov ntev tshaj plaws hauv cov teeb meem.
Lub sij hawm ncua: Mar-15-2023