Thaum lub Cuaj Hlis 13, Ministry of Industry thiab Information Technology tau tshaj tawm tias GB/T 20234.1-2023 "Connecting Devices for Conductive Charging of Electric Vehicles Part 1: General Purpose" nyuam qhuav tau thov los ntawm Ministry of Industry and Information Technology thiab nyob rau hauv lub hwj chim ntawm National Technical Committee for Automotive Standardization. Requirements "thiab GB/T 20234.3-2023 "Connecting Devices for Conductive Charging of Electric Vehicles Part 3: DC Charging Interface" ob qho qauv hauv tebchaws uas tau pom zoo tau raug tso tawm.
Thaum ua raws li kuv lub teb chaws cov kev daws teeb meem tam sim no ntawm DC charging interface thiab xyuas kom meej tias muaj kev sib raug zoo thoob ntiaj teb ntawm cov interfaces them tshiab thiab qub, tus qauv tshiab nce qhov siab tshaj plaws tam sim no them los ntawm 250 amps mus rau 800 amps thiab lub zog them rau800 kw, thiab ntxiv cov cua txias nquag, kev saib xyuas kub thiab lwm yam ntxwv cuam tshuam. Cov kev cai lij choj, kev ua kom zoo dua thiab kev txhim kho ntawm cov txheej txheem sim rau cov khoom siv kho tshuab, cov khoom siv xauv, lub neej ua haujlwm, thiab lwm yam.
Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Kev Siv Tshuab Xov Xwm tau taw qhia tias cov qauv them nqi yog lub hauv paus rau kev ua kom muaj kev sib txuas ntawm cov tsheb fais fab thiab cov chaw them nqi nrog rau kev them nqi nyab xeeb thiab txhim khu kev qha. Nyob rau xyoo tas los no, thaum lub zog tsav tsheb fais fab nce ntxiv thiab tus nqi them ntawm cov roj teeb fais fab nce ntxiv, cov neeg siv khoom muaj kev thov ntau ntxiv rau cov tsheb kom rov ua kom lub zog hluav taws xob sai sai. Cov thev naus laus zis tshiab, cov qauv lag luam tshiab, thiab cov kev thov tshiab uas sawv cev los ntawm "kev them nqi DC siab" txuas ntxiv mus, nws tau dhau los ua kev pom zoo dav dav hauv kev lag luam kom ua kom sai dua qhov kev kho dua tshiab thiab kev txhim kho ntawm cov qauv qub ntsig txog kev sib txuas them nqi.
Raws li kev txhim kho ntawm cov thev naus laus zis them hluav taws xob rau lub tsheb thiab qhov xav tau kom rov them sai sai, Ministry of Industry thiab Information Technology tau teeb tsa National Automotive Standardization Technical Committee los ua kom tiav kev kho dua ob qho qauv hauv tebchaws uas pom zoo, ua tiav kev hloov kho tshiab rau xyoo 2015 thawj ntawm cov qauv txheej txheem hauv tebchaws (feem ntau hu ua "2015 +" tus qauv), uas yog qhov zoo rau kev txhim kho ntxiv rau kev hloov pauv ib puag ncig, kev nyab xeeb thiab kev ntseeg siab ntawm cov khoom siv them hluav taws xob, thiab tib lub sijhawm ua tau raws li qhov xav tau tiag tiag ntawm DC qis-zog thiab siab-zog them.
Hauv kauj ruam tom ntej, Ministry of Industry thiab Information Technology yuav npaj cov chav haujlwm tseem ceeb los ua kom pom tseeb, txhawb nqa thiab siv ob lub tebchaws tus qauv, txhawb nqa kev txhawb nqa thiab kev siv cov kev them hluav taws xob DC siab thiab lwm yam thev naus laus zis, thiab tsim kom muaj ib puag ncig zoo rau kev lag luam tsheb fais fab tshiab thiab kev lag luam chaw them hluav taws xob. Ib puag ncig zoo. Kev them qeeb qeeb yeej ib txwm yog qhov mob tseem ceeb hauv kev lag luam tsheb fais fab.
Raws li daim ntawv tshaj tawm los ntawm Soochow Securities, qhov nruab nrab theoretical charging rate ntawm cov qauv muag kub uas txhawb nqa kev them ceev hauv xyoo 2021 yog li 1C (C sawv cev rau qhov them ntawm lub roj teeb system. Hauv cov lus yooj yim, 1C them tuaj yeem them lub roj teeb system tag nrho hauv 60 feeb), uas yog, nws siv sijhawm li 30 feeb los them kom ua tiav SOC 30% -80%, thiab lub roj teeb lub neej yog li 219km (NEDC tus qauv).
Hauv kev xyaum, feem ntau cov tsheb fais fab huv si yuav tsum tau them 40-50 feeb kom ua tiav SOC 30% -80% thiab tuaj yeem mus ncig li 150-200km. Yog tias lub sijhawm nkag thiab tawm ntawm qhov chaw them (kwv yees li 10 feeb) suav nrog, lub tsheb fais fab huv si uas siv sijhawm li 1 teev los them tsuas yog tsav tsheb ntawm txoj kev loj li ntau dua 1 teev.
Kev txhawb nqa thiab siv cov thev naus laus zis xws li kev them hluav taws xob DC muaj zog ntau yuav xav tau kev txhim kho ntxiv ntawm lub network them hluav taws xob yav tom ntej. Lub Tsev Haujlwm Saib Xyuas Kev Tshawb Fawb thiab Kev Siv Tshuab tau tshaj tawm ua ntej tias kuv lub tebchaws tam sim no tau tsim lub network chaw them hluav taws xob nrog cov khoom siv them hluav taws xob ntau tshaj plaws thiab thaj chaw npog loj tshaj plaws. Feem ntau ntawm cov chaw them hluav taws xob pej xeem tshiab feem ntau yog cov khoom siv them hluav taws xob DC ceev nrog 120kW lossis siab dua.7kW AC qeeb them cov pawgtau dhau los ua tus qauv hauv cov tuam txhab ntiag tug. Daim ntawv thov DC fast charging tau nrov heev hauv kev lag luam tsheb tshwj xeeb. Cov chaw them nqi rau pej xeem muaj kev sib txuas lus huab rau kev saib xyuas lub sijhawm tiag tiag. muaj peev xwm, APP nrhiav pawg thiab kev them nyiaj online tau siv dav, thiab cov thev naus laus zis tshiab xws li kev them hluav taws xob siab, kev them hluav taws xob DC qis, kev sib txuas them hluav taws xob tsis siv neeg thiab kev them hluav taws xob raws li kev txiav txim siab maj mam raug lag luam.
Yav tom ntej, Ministry of Science thiab Technology yuav tsom mus rau cov thev naus laus zis tseem ceeb thiab cov khoom siv rau kev sib koom tes them thiab sib pauv hluav taws xob, xws li cov thev naus laus zis tseem ceeb rau kev sib txuas lus ntawm lub tsheb, cov txheej txheem npaj chaw them hluav taws xob thiab cov thev naus laus zis tswj kev them hluav taws xob kom zoo, cov thev naus laus zis tseem ceeb rau kev them hluav taws xob wireless muaj zog siab, thiab cov thev naus laus zis tseem ceeb rau kev hloov pauv roj teeb hluav taws xob sai. Txhawb kev tshawb fawb thiab thev naus laus zis.
Nyob rau sab tes tod,kev them fais fab DC siabtso cov kev cai siab dua rau kev ua haujlwm ntawm cov roj teeb fais fab, cov khoom tseem ceeb ntawm cov tsheb fais fab.
Raws li kev tshuaj xyuas ntawm Soochow Securities, ua ntej tshaj plaws, kev nce tus nqi them ntawm lub roj teeb yog qhov tsis sib xws rau lub hauv paus ntsiab lus ntawm kev nce lub zog ceev, vim tias tus nqi siab xav tau cov khoom me me ntawm cov khoom siv electrode zoo thiab tsis zoo ntawm lub roj teeb, thiab lub zog ceev siab xav tau cov khoom loj dua ntawm cov khoom siv electrode zoo thiab tsis zoo.
Qhov thib ob, kev them nqi siab hauv lub xeev muaj zog siab yuav ua rau muaj kev cuam tshuam loj dua ntawm lithium deposition thiab cov teebmeem tsim cua sov rau lub roj teeb, ua rau kev nyab xeeb ntawm lub roj teeb txo qis.
Ntawm lawv, cov khoom siv electrode tsis zoo ntawm lub roj teeb yog qhov tseem ceeb tshaj plaws rau kev them sai. Qhov no yog vim tias cov electrode graphite tsis zoo yog ua los ntawm cov ntawv graphene, thiab lithium ions nkag mus rau hauv daim ntawv los ntawm ntug. Yog li ntawd, thaum lub sijhawm them sai, cov electrode tsis zoo sai sai ncav cuag qhov txwv ntawm nws lub peev xwm los nqus cov ions, thiab lithium ions pib tsim cov hlau lithium khov kho rau saum cov khoom graphite, uas yog, tsim cov tshuaj Lithium nag lossis daus sab. Lithium nag lossis daus yuav txo qhov chaw zoo ntawm cov electrode tsis zoo rau lithium ions kom raug. Ntawm ib sab tes, nws txo qhov muaj peev xwm ntawm lub roj teeb, ua rau muaj kev tiv thaiv sab hauv, thiab ua rau lub neej luv dua. Ntawm qhov tod tes, cov khoom siv interface loj hlob thiab tho qhov separator, cuam tshuam rau kev nyab xeeb.
Xibfwb Wu Ningning thiab lwm tus los ntawm Shanghai Handwe Industry Co., Ltd. kuj tau sau ua ntej tias txhawm rau txhim kho lub peev xwm them ceev ntawm cov roj teeb fais fab, nws yog qhov tsim nyog los nce qhov ceev ntawm lithium ions hauv cov khoom siv cathode roj teeb thiab ua kom nrawm dua qhov kev ntxig ntawm lithium ions hauv cov khoom siv anode. Txhim kho qhov ionic conductivity ntawm electrolyte, xaiv lub tshuab cais them ceev, txhim kho qhov ionic thiab hluav taws xob conductivity ntawm electrode, thiab xaiv txoj hauv kev them nqi tsim nyog.
Txawm li cas los xij, qhov uas cov neeg siv khoom tuaj yeem tos ntsoov yog tias txij li xyoo tas los, cov tuam txhab roj teeb hauv tsev tau pib tsim thiab xa cov roj teeb them ceev. Thaum Lub Yim Hli xyoo no, CATL ua tus thawj coj tau tso tawm 4C Shenxing superchargeable roj teeb raws li lub kaw lus lithium hlau phosphate zoo (4C txhais tau tias lub roj teeb tuaj yeem them tag nrho hauv ib feem plaub ntawm ib teev), uas tuaj yeem ua tiav "10 feeb ntawm kev them thiab ntau yam ntawm 400 kw" Super fast charging speed. Hauv qab qhov kub ib txwm, lub roj teeb tuaj yeem them rau 80% SOC hauv 10 feeb. Tib lub sijhawm, CATL siv cov thev naus laus zis tswj qhov kub ntawm lub platform system, uas tuaj yeem ua kom sov sai rau qhov kub ua haujlwm zoo tshaj plaws hauv qhov chaw kub qis. Txawm tias nyob rau hauv qhov chaw kub qis ntawm -10 ° C, nws tuaj yeem them rau 80% hauv 30 feeb, thiab txawm tias nyob rau hauv qhov kub qis qis xoom-puas-puas-ceev ceev tsis lwj hauv lub xeev hluav taws xob.
Raws li CATL, Shenxing supercharged roj teeb yuav raug tsim tawm ntau hauv lub xyoo no thiab yuav yog thawj zaug siv rau hauv Avita qauv.
CATL lub roj teeb them ceev 4C Kirin raws li cov khoom siv cathode lithium ternary kuj tau tshaj tawm cov qauv hluav taws xob zoo tagnrho xyoo no, thiab tsis ntev los no tau tshaj tawm lub tsheb supercar krypton khoom kim heev 001FR.
Ntxiv rau Ningde Times, ntawm lwm lub tuam txhab roj teeb hauv tsev, China New Aviation tau teeb tsa ob txoj kev, plaub fab thiab lub tog raj kheej loj, hauv thaj chaw ntawm 800V high-voltage fast charging. Cov roj teeb plaub fab txhawb nqa 4C fast charging, thiab cov roj teeb cylindrical loj txhawb nqa 6C fast charging. Hais txog kev daws teeb meem roj teeb prismatic, China Innovation Aviation muab Xpeng G9 nrog tiam tshiab ntawm cov roj teeb lithium hlau ceev-charging thiab cov roj teeb nruab nrab-nickel high-voltage ternary tsim raws li 800V high-voltage platform, uas tuaj yeem ua tiav SOC los ntawm 10% txog 80% hauv 20 feeb.
Honeycomb Energy tau tso tawm Dragon Scale Battery hauv xyoo 2022. Lub roj teeb no sib xws nrog cov tshuaj lom neeg tag nrho xws li hlau-lithium, ternary, thiab cobalt-free. Nws npog 1.6C-6C cov txheej txheem them ceev thiab tuaj yeem ntsia tau rau ntawm A00-D-class series qauv. Tus qauv no xav tias yuav raug muab tso rau hauv kev tsim khoom loj hauv peb lub hlis twg ntawm xyoo 2023.
Yiwei Lithium Zog yuav tso tawm lub roj teeb π loj cylindrical hauv xyoo 2023. Lub roj teeb "π" txias thev naus laus zis tuaj yeem daws qhov teeb meem ntawm kev them ceev thiab cua sov ntawm cov roj teeb. Nws cov roj teeb cylindrical loj 46 series yuav raug tsim tawm ntau thiab xa tuaj rau peb lub hlis twg ntawm xyoo 2023.
Thaum Lub Yim Hli Ntuj xyoo no, Sunwanda Company kuj tau qhia rau cov tub ua lag luam tias lub roj teeb "flash charge" uas lub tuam txhab tam sim no tsim tawm rau kev lag luam BEV tuaj yeem hloov kho rau 800V high-voltage thiab 400V normal-voltage systems. Cov khoom siv roj teeb 4C uas them ceev ceev tau ua tiav ntau lawm hauv peb lub hlis thawj zaug. Kev tsim cov roj teeb 4C-6C "flash charging" tau nce qib zoo, thiab tag nrho cov xwm txheej tuaj yeem ua tiav lub neej roj teeb ntawm 400 kw hauv 10 feeb.
Lub sijhawm tshaj tawm: Lub Kaum Hli-17-2023