- 20
- Dec
Piav qhia meej txog rau qhov laj thawj yog vim li cas ternary roj teeb tuav lub lag luam nrov rau lub zog tshiab logistics tsheb
Cov ntaub ntawv qhia tau hais tias nyob rau thawj plaub lub hlis ntawm lub xyoo no, kev xa khoom ntawm hlau phosphate thiab hlau phosphate tau nce ntxiv piv rau tib lub sijhawm xyoo tas los. Ntawm lawv, cov khoom xa tuaj ntim ntawm lithium hlau phosphate roj teeb yog 2.6Gwh, thiab cov khoom xa tuaj ntawm ternary lithium roj teeb yog siab li 771.51MWh.
Tsis tas li ntawd, qhov nkag mus ntawm cov ntaub ntawv ternary rau cov tsheb tshwj xeeb hauv xyoo 2015 yog 61%, thiab qhov kev thov mus txog 1.1GWh. Hauv xyoo 2016, qhov nkag mus yuav ncav cuag 65%, thiab qhov kev thov yuav yog 2.9Gwh; los ntawm 2020, tus nqi nkag mus yuav ncav cuag 80%, thiab kev lag luam xav tau yuav yog 14.0Gwh.
Nws tuaj yeem pom tau tias cov ntaub ntawv ternary thiab lithium hlau phosphate tau maj mam nyob hauv lub ntsiab hauv kev siv cov tsheb thauj khoom siv hluav taws xob ntshiab, thiab qhov feem ntawm cov ntaub ntawv ternary yuav loj dua thiab loj dua. Txawm li cas los xij, txoj hauv kev uas cov tsheb thauj khoom siv hluav taws xob ntshiab yuav coj mus rau yav tom ntej tsis yog nyob ntawm kev siv thev naus laus zis thiab kev ua haujlwm zoo ntawm cov roj teeb lithium, tab sis kuj yog kev xav tau ntawm kev lag luam thiab kev tswj hwm kev ntsuas.
Ua ntej, yog vim li cas peb cov ntaub ntawv nyob rau hauv lub ntsiab ntawm cov ntshiab hluav taws xob logistics tsheb?
Hauv Suav teb, ntawm cov tsheb thauj khoom siv hluav taws xob ntshiab, ternary lithium roj teeb thev naus laus zis yog txoj hauv kev siv ntau tshaj plaws, ua raws li cov roj teeb lithium hlau phosphate. Tau kawg, rau tib txoj hauv kev, cov tsis muaj zog lithium roj teeb tsim los ntawm ntau lub tuam txhab tsis zoo ib yam. Piv txwv li, Tesla thiab LG siv cov ntaub ntawv ternary thiab muaj qhov sib txawv ntawm cov roj teeb zoo, roj teeb ntau, lub neej voj voog, thiab roj teeb pob lub zog. Thiab qee qhov kev hloov pauv tas li nrog kev hloov kho tshiab tas li ntawm kev siv tshuab. Ntau qhov ntsuas yog qhov tseem ceeb.
Ntawm no peb sib piv qhov zoo thiab qhov tsis zoo ntawm ntau lub zog lithium roj teeb cathode cov ntaub ntawv los teb cov lus nug ntawm vim li cas peb cov ntaub ntawv no yog cov khoom tseem ceeb hauv tsheb thauj khoom.
Kev tsom xam qhov tob ntawm rau qhov laj thawj yog vim li cas peb lub roj teeb loj nyob hauv lub lag luam tseem ceeb ntawm cov tsheb thauj khoom hluav taws xob ntshiab
Kev tsom xam qhov tob ntawm rau qhov laj thawj yog vim li cas peb lub roj teeb loj nyob hauv lub lag luam tseem ceeb ntawm cov tsheb thauj khoom hluav taws xob ntshiab
Ua ntej, nws tuaj yeem pom los ntawm daim duab tias txawm tias qhov kev nyab xeeb ntawm cov khoom siv ternary tsis siab, feem ntau cov tuam txhab tsheb thauj khoom yuav txiav txim siab nws tag nrho, lossis yuav txais yuav txoj kev siv thev naus laus zis ternary lithium roj teeb, uas muaj ntau yam kev caij nkoj, muaj peev xwm loj. , ntev kev pab cuam lub neej, thiab lwm yam kom zoo dua.
Qhov thib ob, lub mileage ntawm ntshiab hluav taws xob logistics tsheb cuam tshuam rau kev khiav hauj lwm tej yam kev mob thiab efficiency ntawm tsheb logistics. Rau cov tsheb thauj khoom hluav taws xob ntshiab, qhov tseem ceeb yog qhov kawg logistics faib, kev thauj mus los hauv nroog, vaj tse thiab lwm yam kev lag luam. Nws yuav tsum tau ua kom ntseeg tau tias txoj haujlwm thauj mus los yuav tsum ua tiav hauv ib hnub, tshwj xeeb tshaj yog thaum lub sijhawm siab tshaj plaws xws li Ob Chav Kaum Ib Hlis, thiab ib qho loj dua. Cov theem ntawm qhov ntau yog nyob ntawm cov roj teeb thiab qhov sib txuam ntawm cov khoom siv hluav taws xob.
Qhov thib peb, tam sim no, cov nyiaj pab hauv lub xeev tau raug rho tawm, thiab cov nyiaj pab them nqi av tau txo qis tas li. Hauv ntau qhov chaw, cov nyiaj pab qis qis li 400 yuan ib kilowatt teev. Piv txwv li, nyob rau hauv Jiangsu thiab Hangzhou, ib co ntshiab hluav taws xob logistics tsheb tswv hais tias xws li cov nyiaj pab uas tsis tshua muaj, ua si tsis tau. Rau cov tuam txhab tsheb, nws yog qhov tsim nyog los nrhiav txoj hauv kev zoo tshaj plaws. Tus nqi ntawm automotive lithium roj teeb yog qhov siab tshaj plaws. Tam sim no, cov nyiaj pab hauv ntau qhov chaw tau nce siab los ntawm lub tuam txhab, thiab kev siv tsheb thauj khoom siv tshuab tsis zoo li lwm lub tsheb. Tus nqi ntawm ternary lithium roj teeb yog qis dua li ntawm lithium hlau phosphate roj teeb, thiab cov kev xav tau tsis yog siab npaum li ntawm lithium hlau phosphate roj teeb. Qhov no txuag nyiaj txiag kev sib raug zoo thiab cov nqi tsim khoom. Plaub, ib qho ntawm Achilles heels loj tshaj ntawm lithium hlau phosphate yog nws qhov kev ua haujlwm tsis zoo, txawm tias nws cov nano thiab carbon coatings tsis daws qhov teeb meem no. Cov kev tshawb fawb tau pom tias lub roj teeb uas muaj peev xwm ntawm 3500mAh, yog tias nws ua haujlwm ntawm -10 ° C, tom qab tsawg dua 100 lub sijhawm them-tso tawm, nws lub zog yuav sai sai mus rau 500mAh thiab yog qhov pib tawg. Cov khoom siv ternary muaj qhov ua tau zoo ntawm qhov kub thiab txias, thiab lub hli attenuation yog 1 mus rau 2%. Ntawm qhov kub thiab txias, nws qhov poob qis tsis siab npaum li lithium hlau phosphate.
Thib tsib, terpolymer cov ntaub ntawv nyob hauv lub ntsiab, feem ntau yog vim muaj kev cuam tshuam ntawm cov tuam txhab tsheb txawv teb chaws. Feem ntau ntawm lub zog tshiab tsheb ntawm cov tuam txhab tsheb txawv teb chaws siv ternary lithium roj teeb, feem ntau yog 18650 hlwb. Nws tseem tuaj yeem pom los ntawm 286 pawg ntawm cov ntawv tshaj tawm tsheb tshiab uas feem coob ntawm cov tsheb thauj khoom siv hluav taws xob ntshiab siv 18650 ternary lithium roj teeb. Qhov ib-theem nominal voltage feem ntau yog 3.6V lossis 3.7V; Qhov tsawg kawg nkaus tso tawm voltage feem ntau yog 2.5-2.75V. Lub peev xwm ib txwm yog 1200 ~ 3300mAh. 18650 roj teeb, tab sis qhov sib xws yog zoo heev; cov roj teeb stacked tuaj yeem ua kom loj dua (20Ah rau 60Ah), uas tuaj yeem txo cov roj teeb, tab sis qhov sib xws tsis zoo. Nyob rau hauv sib piv, nyob rau theem no, nws yog ib qho nyuaj rau cov neeg muag khoom roj teeb los nqis peev ntau ntawm cov neeg ua haujlwm thiab cov peev txheej los txhim kho cov txheej txheem ntawm cov roj teeb uas muaj ntau lawm.
(2) Cov duab thiab qhov loj me, vim tias peb hom tseem ceeb sib txawv, muaj qhov sib txawv, thiab qhov loj ntawm tib hom kuj txawv. Muaj peb hom roj teeb ternary, ib qho yog cov roj teeb muag muag, xws li A123, Vientiane, thiab polyfluorine. Ib qho yog lub roj teeb cylindrical, ib yam li Tesla’s. Kuj tseem muaj cov roj teeb tawv tawv, xws li BYD thiab Samsung. Ntawm peb daim ntawv, cov nqi tsim khoom ntawm cov tawv tawv yog siab dua, ua raws li cov hnab mos, thiab thaum kawg lub tog raj kheej. Ib qho kev pom yog tias kev nyab xeeb ntawm lub hnab mos yog siab dua li ntawm lub tog raj kheej, thiab cov qauv ntawm lub tog raj kheej ua rau nws nyuaj los daws qhov teeb meem kev nyab xeeb. Tam sim no, ntau ternary roj teeb mos ntim tshuab tau siv nyob rau hauv kuv lub teb chaws lub tsheb. Txawm li cas los xij, cov kev xav tau rau kev ntim khoom yooj yim yog qhov siab, tshwj xeeb tshaj yog rau kev ntim tshuab. Kev ntim khoom tsis zoo yuav ua rau muaj teeb meem xws li bulging thiab to, thiab ua rau muaj kev nyab xeeb. Nyob rau hauv lwm yam lus, daim ntawv thov ntawm ternary roj teeb yog raws li square hlau plhaub. Lub plhaub hlau square muaj qhov zoo ntawm kev tsim qauv, yooj yim pab pawg, thiab lub zog tshwj xeeb. Qhov tsis zoo kuj yog qhov ua kom sov dissipation tsis zoo.
3. Fais fab lithium roj teeb layout
Cov txheej txheem ntawm lub hwj chim lithium roj teeb yuav tsum tau teem caij raws li lub chassis ntawm cov ntshiab hluav taws xob logistics tsheb, coj mus rau hauv tus account lub teeb ntawm lub cev thiab lwm yam, feem ntau nyob rau hauv lub cev ntawm lub tsheb, raws li ntau yam qauv ntawm cov ntshiab hluav taws xob. tsheb logistics. Piv txwv li, cov tsheb thauj khoom thiab cov tsheb me me tau npaj sib txawv. Hauv cov ntsiab lus: 1. Nws yog ib qho tsim nyog yuav tsum xav txog qhov chaw teeb tsa ntawm lub hwj chim lithium roj teeb. 2. Dab tsi yog qhov load? Tsheb thauj khoom. 4 sib npaug. Yuav tsum muaj qee yam kev ua kom sov dissipation. Txaus siab rau qhov tsawg kawg nkaus hauv av clearance, longitudinal dhau lub kaum sab xis thiab lwm yam yuav tsum tau passability. Ua tau raws li qhov kev thov tas mus li rau tib neeg-lub computer kev sib cuam tshuam. Yuav tsum ua raws li kev cai sib tsoo hauv tebchaws. Nws muaj ib theem ntawm sealing yuav tsum. Xyuas kom muaj hluav taws xob high-voltage xav tau.
Tsis tas li ntawd, kev npaj ntawm lub hwj chim lithium roj teeb yuav tsum tau xav txog kev nyab xeeb ntawm tus neeg tsav tsheb. Yog tias nws tau teem rau hauv qab lub rooj zaum, yog tias lub roj teeb ntes hluav taws, tus neeg raug tsim txom zaum kawg yog tus tsav tsheb. Yog tias koj kho qhov hauv qab ntawm lub tsheb thauj khoom, thawj qhov uas ua rau muaj kev puas tsuaj yog cov khoom thauj, thiab tus neeg tsav tsheb muaj feem ntau dua ntawm kev khiav tawm.