● Cov ntsiab lus mob ntawm kev hloov pauv lub zog tshiab hauv cov tsheb ua lag luam thiab kev siv thev naus laus zis ntawm cov khoom siv hluav taws xob- xeev
Raws li cov neeg nqa khoom tseem ceeb ntawm kev thauj mus los, kev pabcuam, thiab cov kab loj thauj khoom, cov txheej txheem tshiab lub zog ntawm kev lag luam tsheb ncaj qha cuam tshuam rau kev ua tiav ntawm "ob npaug carbon" lub hom phiaj. Txawm li cas los xij, cov kev txwv kev txwv ntawm cov roj ntsha lithium roj teeb ntev ntev txwv qhov tob thiab dav ntawm kev hloov pauv lub zog tshiab hauv kev lag luam tsheb.
1. Cov ntsiab lus mob tseem ceeb ntawm kev hloov pauv lub zog tshiab hauv cov tsheb lag luam
Piv nrog rau cov neeg caij tsheb, cov tsheb ua lag luam muaj qhov sib txawv tseem ceeb hauv lawv cov xwm txheej siv, lawv cov kev xav tau rau cov roj teeb hluav taws xob tau tsom mus rau "kev ua tau zoo" thiab "kev lag luam". Rau nruab nrab thiab luv - tsheb thauj mus los hauv nroog xws li kev faib hauv nroog thiab san, tus nqi rhiab heev thiab refueling yooj yim yog qhov tseem ceeb xav tau; thaum lub sij hawm ntev - cov tsheb thauj khoom hnyav, cov tsheb thauj khoom txias thiab lwm cov sub- cov haujlwm, ntau yam, kev them nqi hluav taws xob hauv lub neej kev ntseeg tau dhau los ua qhov pib tsis tau.
Tam sim no, cov tsheb lag luam uas tau tsav los ntawm cov kua lithium-ion roj teeb feem ntau ntsib peb qhov teeb meem loj:
Ua ntej, ntau qhov kev ntxhov siab, ib qho kev xav tau ntawm qhov ntev - cov tsheb thauj khoom hnyav feem ntau yog siab dua 300 mais, thaum cov roj teeb uas twb muaj lawm lub zog ntom ntom feem ntau yog nyob nruab nrab ntawm 150-200Wh /, uas ua rau xav tau cov tsheb thauj cov roj teeb ntau, uas tsis yog tsuas yog nce tus nqi yuav khoom tab sis kuj txo cov khoom thauj;
Thib ob, tsis muaj roj refueling, feem ntau yuav siv sij hawm ob peb teev kom them tag nrho cov tsheb lag luam ntawm cov khoom siv hluav taws xob ib txwm muaj, tsis yooj yim dua li refueling roj - lub tsheb fais fab, uas cuam tshuam loj rau kev ua haujlwm;
Thib peb, kev pheej hmoo ntawm kev nyab xeeb, kev lag luam tsheb yuav raug ncua ntev - lub sijhawm thauj khoom siab, kev them nqi ntau zaus thiab tso tawm, thiab kev pheej hmoo ntawm thermal runaway ntawm cov kua dej ib txwm muaj, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig huab cua xws li kub thiab txias, qhov xwm txheej ntawm kev nyab xeeb kev nyab xeeb tseem siab.
Tsis tas li ntawd, tus nqi siab tag nrho ntawm cov tswv cuab (TC) tshwm sim los ntawm cov roj teeb degradation kuj ua rau ntau lub tuam txhab logistics tsis kam mus yuav cov tsheb lag luam tshiab.
2. Khoom-lub xeev cov roj teeb thev naus laus zis muaj txiaj ntsig zoo raws li cov kev xav tau ntawm cov tsheb lag luam
Khoom- lub xeev cov roj teeb hloov cov kua electrolytes ib txwm siv nrog cov solidtes, ua tiav qhov kev ua tau zoo ntawm kev ua haujlwm tseem ceeb, thiab lawv cov yam ntxwv ntawm kev ua tau zoo sib xws nrog cov kev xav tau ntawm kev lag luam tsheb.
The breakthrough improvement in energy density is the core of solid-state batteries. Lub Rhino S tag nrho -khoom- lub xeev roj teeb module tau nthuav tawm los ntawm Chery muaj lub zog ceev txog li 600 Wh / kg, qhov theoretical txwv ntawm lithium roj teeb thiab deb tshaj li cov roj teeb ua kua tam sim no.
Rau cov tsheb lag luam, lub zog siab ceev txhais tau hais tias qhov ntev ntev tuaj yeem ua tiav nrog tib lub roj teeb, lossis tias lub roj teeb load tuaj yeem raug txo qis raws li qhov xav tau ntau yam. Siv ntev - thauj cov tsheb thauj khoom hnyav ua piv txwv, siv 500 Wh / kg tag nrho- cov roj teeb uas muaj zog, lub tsheb tuaj yeem nqa tau ntau dua 1000 kWh ntawm hluav taws xob, nrog rau ntau yam uas tuaj yeem yooj yim tshaj 1500 mais, daws qhov kev ntxhov siab ntawm kev thauj mus los ntev - deb.
Optimizing zog refueling efficiency ncaj qha mus rau qhov mob cov ntsiab lus ntawm kev lag luam tsheb khiav lag luam.
Chery yog tag nrho -khoom- roj teeb ua tiav qhov Performance index ntawm "6 feeb ntawm kev them nyiaj, 1000 kilometers ntawm ntau yam" txhais tau hais tias lub zog refueling rau cov tsheb lag luam yuav ncav cuag qhov yooj yim ntawm refing rau roj- lub zog tsheb. Rau ntev - cov tsheb thauj khoom hnyav nyob deb li 300-500 mais ib hnub, luv- lub sijhawm refueling tuaj yeem ua tau raws li kev ua haujlwm ntawm tag nrho hnub, txo lub sijhawm kaw thiab txhim kho kev ua haujlwm. BYD's patent layout nyob rau hauv thaj tsam ntawm cov khoom muaj zog- lub xeev cov roj teeb suav nrog ntau qhov kev ua tiav rau kev them nyiaj ceev ceev. Yog tias nws lub hom phiaj "khoom-kua-kua nqi sib luag" tuaj yeem ua tiav, nws yuav ua kom cov txiaj ntsig kev lag luam ntxiv los ntawm kev txhim kho kev ua haujlwm ntawm refueling.
Qhov tseem ceeb ntawm kev txhim kho kev ruaj ntseg muab kev tiv thaiv rau kev lag luam tsheb khiav lag luam.
Cov khoom siv - lub xeev cov roj teeb uas muaj cov khoom siv electrolytes tsis muaj kev pheej hmoo ntawm kev xau thiab muaj thermal stability ntau dua li cov kua electrolytes, pab daws qhov teeb meem ntawm thermal runaway. Cov tsheb lag luam nyob hauv qhov chaw ua haujlwm hnyav ntawm kev thauj khoom siab, muaj zog vibration, thiab kub heev rau ib lub sijhawm. Kev nyab xeeb ntawm cov khoom siv- lub xeev cov roj teeb tuaj yeem txo qhov xwm txheej ntawm kev nyab xeeb kev nyab xeeb, tshwj xeeb tshaj yog rau kev ua haujlwm siab - siv kaw qhov xwm txheej xws li chaw nres nkoj thiab chaw mining. Nyob rau hauv, qhov zoo ntawm cov khoom siv- lub xeev cov roj teeb hauv lub neej voj voog tuaj yeem txo tus nqi ntawm cov roj teeb kom zoo, yog li ua kom cov nqi ntawm cov tsheb coj mus muag thoob plaws hauv lawv lub neej.
● Cov Kev Sib Tw rau Cov Khoom Siv - lub xeev cov roj teeb hauv kev lag luam tsheb lag luam
Txawm hais tias muaj lub cib fim tseem ceeb uas nws coj los, kev lag luam tsheb tseem ntsib ntau yam teeb meem hauv kev siv cov khoom siv roj teeb hauv xeev -.
Tus nqi bottleneck tseem yog qhov teeb meem tseem ceeb tshaj plaws.
Tam sim no, tus nqi ntawm tag nrho -- lub xeev cov roj teeb yog li 8 npaug siab dua li cov kua- lub xeev cov roj teeb. Txij li thaum lub zog muaj peev xwm ntawm ib pob rau kev lag luam tsheb feem ntau tshaj 300k, cov nqi yuav tsheb yuav nce ntxiv yog tias txhua tus ntawm lawv tau nruab nrog cov roj teeb uas muaj zog, tshaj qhov kev lees paub ntawm kev ua lag luam. Tsis tas li ntawd, cov txheej txheem tsim khoom ntawm cov roj teeb solidstate yog qhov nyuaj dua, thiab nws yuav tsum muaj cov qauv siab dua rau cov khoom siv thiab cov khoom siv, ntxiv dag zog rau cov nqi tsim khoom.
Nyob rau hauv lub technical pem hauv ntej, tseem muaj teeb meem uas yuav tsum tau kho sai sai.
Ua ntej, muaj qhov teeb meem ntawm kev ruaj ntseg interface. Kev sib cuag tsis zoo ntawm cov khoom siv hluav taws xob thiab cov khoom siv cathode / anode tuaj yeem yooj yim ua rau muaj peev xwm thiab luv luv roj teeb lub neej, uas ua tsis tau raws li qhov kev thov ntev - lub sij hawm siab - thauj khoom ntawm kev lag luam tsheb. Qhov thib ob, muaj tsis txaus ionic conductivity. Lub ionic ntawm mainstream oxide thiab sulfide khoom electrolytes tseem qis dua li cov kua electrolytes, uas txwv tsis pub them ceev thiab lub zog tso zis. Thirdly, muaj qhov teeb meem ntim expansion thiab contraction. Lub ntim hloov ntawm cov khoom siv electrode thaum lub sij hawm them nqi thiab kev tso tawm tuaj yeem ua rau lub ntim roj teeb tawg. Nyob rau hauv kev khiav hauj lwm ib puag ncig qhov chaw ua lag luam tsheb yog tsis tu ncua vib, qhov teeb meem no yuav muaj ntau yam.
Qhov tsis muaj kev sib koom ua ke ntawm ecological kuj cuam tshuam cov txheej txheem siv.
Tam sim no, tsis muaj cov txheej txheem sib koom ua ke ntawm cov khoom siv - lub xeev cov roj teeb rau cov tsheb lag luam. Qhov luaj li cas ntawm cov roj teeb pob thiab BMS kev sib txuas lus raws tu qauv sib txawv heev, uas ua rau cov khoom ntawm cov tuam txhab sib txawv tsis sib xws thiab qhov nyuaj ntawm kev nce qib. Tib lub sijhawm, cov txheej txheem rov ua dua tshiab rau cov khoom siv- lub xeev cov roj teeb tseem tsis tau tsim, thiab kev kho thiab rov siv cov roj teeb pov tseg ua teeb meem
Tsis tas li ntawd, kev kho dua tshiab ntawm lub zog- cov chaw muab khoom lag luam poob qab ntawm kev txhim kho roj teeb thev naus laus zis. Tus nqi tsim kho ntawm super- chaw them ceev ceev yog siab, thiab qhov me me, uas tsis tuaj yeem ua tau raws li qhov xav tau ntawm daim ntawv thov loj -.
Rau kev lag luam tsheb lag luam, cov khoom siv hluav taws xob- lub xeev cov roj teeb sawv cev tsis yog kev hloov kho thev naus laus zis nkaus xwb tab sis kuj yog lub sijhawm keeb kwm rau kev txhim kho kev lag luam. Nws cov txiaj ntsig thev naus laus zis, raws li lub zog siab ceev, kev them nyiaj ceev ceev, thiab kev nyab xeeb siab, yuav hais meej txog cov ntsiab lus mob ntawm kev hloov pauv hluav taws xob tshiab hauv kev lag luam tsheb, tsav kev lag luam los ntawm "txoj cai- tsav mus rau "kev ua lag luam-tsav".
Txawm hais tias tau ntsib ntau yam teeb meem xws li tus nqi, thev naus laus zis, thiab ecology tam sim no, qhov loj - kev siv cov khoom siv hauv lub xeev - roj teeb hauv kev lag luam tsheb yog ib qho kev sib tw nrog kev siv thev naus laus zis tsis tu ncua, kev loj hlob tsis tu ncua ntawm cov saw hlau, thiab kev txhawb nqa muaj zog ntawm cov cai. Nws cia siab tias los ntawm 230, cov roj teeb hauv lub xeev yuav ua tus thawj lub zog tshiab rau kev lag luam tsheb, tsav tsheb hloov hluav taws xob ntawm txhua qhov xwm txheej xws li kev thauj mus los hauv nroog thiab cov kev pabcuam hauv nroog, thiab kev txhawb nqa tseem ceeb rau kev ua tiav ntawm "ob chav carbon" lub hom phiaj.
