Musi waGunyana 13, Bazi reIndasitiri uye Ruzivo rweTekinoroji yakazivisa kuti GB/T 20234.1-2023 "Kubatanidza Zvishandiso zveConductive Kuchaja kweMotokari dzeMagetsi Chikamu 1: Chinangwa Chese" chakapihwa nguva pfupi yadarika neBazi reIndasitiri uye Ruzivo rweTekinoroji uye pasi pesimba reNational Technical Committee yeMotokari Kumira. Zvinodiwa" uye GB/T 20234.3-2023 "Kubatanidza Zvishandiso zveConductive Kuchaja kweMotokari dzeMagetsi Chikamu 3: DC Kuchaja Interface" miviri yakakurudzirwa yenyika yakaburitswa zviri pamutemo.
Ndichiri kutevera nyika yangu yazvino DC yekuchaja interface tekinoroji mhinduro uye nekuona kuenderana kwepasirese kwezvitsva uye zvekare zvekuchaja nzvimbo, chiyero chitsva chinowedzera huwandu hwekuchaja ikozvino kubva pa250 amps kusvika ku800 amps uye simba rekuchaja kusvika.800 kw, uye inowedzera kutonhora kunoshanda, kutarisa tembiricha uye zvimwe zvine hukama. Zvido zvehunyanzvi, optimization uye kuvandudzwa kwebvunzo nzira dzemakanika zvivakwa, yekuvhara zvishandiso, hupenyu hwesevhisi, nezvimwe.
Bazi reMaindasitiri neRuzivo rweTekinoroji rakaratidza kuti miitiro yekuchaja ndiyo hwaro hwekuona kubatana pakati pemotokari dzemagetsi nezvivakwa zvekuchaja pamwe nekuchaja kwakachengeteka uye kwakavimbika. Mumakore achangopfuura, sezvo huwandu hwekutyaira kwemotokari dzemagetsi huchiwedzera uye huwandu hwekuchaja hwemabhatiri emagetsi huchiwedzera, vatengi vane kuwedzera kwakasimba kudiwa kwemotokari kukurumidza kuzadza simba remagetsi. Tekinoroji nyowani, mafomu matsva ebhizinesi, uye zvitsva zvinodiwa zvinomiririrwa ne "high-simba DC kuchaja" inoenderera mberi Ichiri Kubuda, chave kubvumirana kwese muindasitiri kuti ikurumidze kudzokorora uye kuvandudzwa kweyekutanga zviyero zvine chekuita nekuchaja nzvimbo.
Zvinoenderana nekuvandudza tekinoroji yekuchaja mota yemagetsi uye kudiwa kwekuchaja nekukurumidza, Ministry of Indasitiri neRuzivo rweTekinoroji yakaronga National Automotive Standardization Technical Committee kuti ipedze kudzokororwa kwezviyero zviviri zvakakurudzirwa yenyika, kuwana kuvandudzwa kutsva kune yekutanga 2015 vhezheni yeNational standard scheme (inowanzozivikanwa se "2015 +" chiyero), inogonesa kuchinjika kwekuchengetedza nharaunda, kuvandudza hukama uye kuchengetedzwa kwemidziyo. panguva imwechete kusangana nezvinodiwa chaizvo zveDC yakaderera-simba uye yakakwirira-simba kuchaja.
Mudanho rinotevera, Bazi reIndasitiri neRuzivo rweTekinoroji richaronga zvikamu zvakakosha kuti zviitwe zvakadzama kushambadza, kukwidziridzwa uye kuita kwezviyero zviviri zvenyika, kusimudzira kukwidziridzwa uye kushandiswa kwesimba repamusoro DC kuchaja uye humwe matekinoroji, uye kugadzira nharaunda yemhando yepamusoro yekusimudzira indasitiri yemotokari yemagetsi uye indasitiri yekuchaja. Nzvimbo yakanaka. Kuchaja zvishoma nezvishoma kwagara kuri kurwadza kwepakati muindasitiri yemotokari yemagetsi.
Maererano nemushumo weSoochow Securities, avhareji yetioretical yekuchaja yemhando dzinopisa dzinotengesa dzinotsigira kukurumidza kuchaja muna 2021 dzinenge 1C (C inomiririra chiyero chekuchaja chebhatiri system. Mukutaura kwevanhu, 1C yekuchaja inogona kubhadharisa zvizere bhatiri system mumaminitsi makumi matanhatu) , ndiko kuti, inotora 0 30% bhatiri uye SOC maminetsi 30 kusvika 3% bhatiri. hupenyu hunenge 219km (NEDC standard).
Mukuita, mota zhinji dzemagetsi dzakachena dzinoda 40-50 maminetsi ekuchaja kuti uwane SOC 30% -80% uye inogona kufamba anenge 150-200km. Kana nguva yekupinda nekusiya chiteshi chekuchaja (anenge maminetsi gumi) yasanganisirwa, mota yemagetsi yakachena inotora nguva ingangosvika awa imwe chete kuchaja inogona kungotyaira mumugwagwa mukuru kweinopfuura awa imwe chete.
Iko kukwidziridzwa uye kushandiswa kwematekinoroji akadai seyepamusoro-simba DC kuchaja kunoda kumwe kuvandudzwa kwetiweki yekuchaja mune ramangwana. Bazi reSainzi neTekinoroji rakambozivisa kuti nyika yangu parizvino yakavaka network yekuchaja ine huwandu hukuru hwemidziyo yekuchaja nenzvimbo huru yekuvhara. Zvizhinji zvezvivakwa zvitsva zvekuchaja zveveruzhinji zvinonyanya DC zvekuchaja michina ine 120kW kana pamusoro.7kW AC inononoka kuchaja mirwidzave chiyero mubazi rakazvimirira. Iko kushandiswa kweDC yekuchaja nekukurumidza kwakave kwakakurumbira mumunda wemota dzakakosha. Zvivakwa zvekuchaja zveveruzhinji zvine Cloud platform network yekutarisa-nguva chaiyo. kugona, kutsvaga murwi weAPP uye kubhadhara kwepamhepo kwave kushandiswa zvakanyanya, uye matekinoroji matsva akadai sekuchaja kwesimba-guru, kubhadharisa-simba DC kuchaja, otomatiki kuchaja yekubatanidza uye kubhadharisa kurongeka kuri kuvandudzwa zvishoma nezvishoma.
Mune ramangwana, Bazi reSainzi neTekinoroji richatarisa kune akakosha matekinoroji uye michina yekuchaja kwakabatana uye kuchinjanisa, senge tekinoroji yakakosha yemotokari mirwi gore yekubatanidza, yekuchaja nzira dzekuronga nzvimbo uye yakarongeka yekuchaja tekinoroji, matekinoroji akakosha ekuchaja-simba-isina waya, uye kiyi matekinoroji ekukurumidza kutsiva mabhatiri. Simbisa tsvakiridzo yesainzi neyetekinoroji.
Pane rimwe divi,high-power DC kuchajainoisa zvinodiwa zvepamusoro pakushanda kwemabhatiri emagetsi, zvikamu zvakakosha zvemotokari dzemagetsi.
Zvinoenderana nekuongorora kweSoochow Securities, chekutanga, kuwedzera chiyero chekuchaja kwebhatiri kunopesana nemusimboti wekuwedzera simba remagetsi, nekuti mwero wakakwira unoda zvimedu zvidiki zvezvakanaka uye zvisina kunaka zvemagetsi ebhatiri, uye kukwirira kwemagetsi kunoda zvidimbu zvakakura zvezvakanaka uye zvisina kunaka emagetsi emagetsi.
Chechipiri, kubhadharisa kwepamusoro-soro munzvimbo ine simba guru kunounza zvakakomba lithium deposition side reactions uye kupisa kwekugadzirwa kwemagetsi kubhatiri, zvichikonzera kuderedzwa kwebhatiri kuchengetedza.
Pakati pavo, bhatiri negative electrode zvinhu ndicho chikuru chinomisa chinhu chekukurumidza kuchaja. Izvi zvinodaro nekuti iyo negative electrode graphite inogadzirwa negraphene sheets, uye lithium ions inopinda pepa nemumicheto. Nokudaro, panguva yekukurumidza kuchaja, iyo electrode yakaipa inokurumidza kusvika pamuganhu wekukwanisa kwayo kutora ions, uye lithium ions inotanga kuumba simbi yakasimba lithium pamusoro pezvikamu zvegraphite, kureva, chizvarwa Lithium precipitation side reaction. Kunaya kweLithium kunoderedza nzvimbo inoshanda yeiyo negative electrode kuti lithium ions iiswe. Kune rimwe divi, inoderedza huwandu hwebhatiri, inowedzera kuramba kwemukati, uye inopfupisa hupenyu. Kune rimwe divi, makristasi ekubatanidza anokura uye anobaya kupatsanura, zvichikanganisa kuchengetedza.
Muzvinafundo Wu Ningning nevamwe vanobva kuShanghai Handwe Indasitiri Co., Ltd. vakambonyorawo kuti kuti uvandudze kukurumidza kuchaja kugona kwemabhatiri emagetsi, zvinodikanwa kuwedzera kumhanya kwekufamba kwe lithium ions mubhatiri cathode zvinhu uye nekumhanyisa kunyudzwa kwelithium ion mune anode zvinhu. Kuvandudza ionic conductivity ye electrolyte, sarudza inokurumidza-kuchaja separator, gadzirisa ionic uye yemagetsi conductivity ye electrode, uye sarudza yakakodzera yekuchaja zano.
Nekudaro, izvo vatengi vanogona kutarisira ndezvekuti kubva gore rapfuura, makambani emumba mabhatiri atanga kugadzira nekuisa mabhatiri ekuchaja nekukurumidza. Muna Nyamavhuvhu gore rino, iyo inotungamira CATL yakaburitsa 4C Shenxing superchargeable bhatiri yakavakirwa pane yakanaka lithium iron phosphate system (4C inoreva kuti bhatiri rinogona kuzara muchikamu chechina cheawa), iyo inogona kuwana "10 maminetsi ekuchaja uye huwandu hwe400 kw" Super nekukurumidza kuchaja kumhanya. Pasi petembiricha yakajairika, bhatiri rinogona kuchajwa kusvika 80% SOC mumaminetsi gumi. Panguva imwecheteyo, CATL inoshandisa tekinoroji yekudzora tekinoroji papuratifomu yehurongwa, inogona kukurumidza kupisa kusvika kune yakanyanya kunaka yekushanda tembiricha munzvimbo dzakaderera-tembiricha. Kunyange munzvimbo yakadzika-yekupisa ye -10 ° C, inogona kubhadharwa kusvika ku80% mumaminitsi makumi matatu, uye kunyange mumhepo yakadzika-kuderera Zero-zana-zana-speed acceleration haina kuora mumamiriro emagetsi.
Sekureva kweCATL, Shenxing mabhatiri epamusoro achagadzirwa mukati megore rino uye ichave yekutanga kushandiswa mumhando dzeAvita.
CATL's 4C Kirin inokurumidza-kuchaja bhatiri yakavakirwa pa ternary lithium cathode zvinhu yakaparurawo yakanakisa yakachena yemagetsi modhi gore rino, uye nguva pfupi yadarika yakatanga yakanyanya krypton yakasarudzika yekuvhima supercar 001FR.
Pamusoro peNingde Times, pakati pemamwe makambani ebhatiri emumba, China New Aviation yakaisa nzira mbiri, mativi uye cylindrical hombe, mumunda we800V yakakwira-voltage nekukurumidza kuchaja. Mabhatiri eskweya anotsigira 4C kuchaja nekukurumidza, uye mabhatiri mahombe ecylindrical anotsigira 6C kuchaja nekukurumidza. Nezve prismatic bhatiri mhinduro, China Innovation Aviation inopa Xpeng G9 chizvarwa chitsva chekukurumidza-kuchaja lithium iron mabhatiri uye epakati-nickel high-voltage ternary mabhatiri akagadzirwa akavakirwa pa800V yakakwira-voltage papuratifomu, inogona kuwana SOC kubva pa10% kusvika 80% mumaminetsi makumi maviri.
Honeycomb Energy yakaburitsa Dragon Scale Battery muna 2022. Bhatiri rinoenderana neakazara kemikari system mhinduro senge iron-lithium, ternary, uye cobalt-isina. Inovhara 1.6C-6C inokurumidza kuchaja masisitimu uye inogona kuiswa paA00-D-kirasi akateedzana modhi. Iyo modhi inotarisirwa kuiswa mukugadzirwa kwakawanda muchikamu chechina cha2023.
Yiwei Lithium Energy ichasunungura bhatiri yakakura cylindrical π system muna 2023. Iyo bhatiri "π" inotonhorera tekinoroji inogona kugadzirisa dambudziko rekukurumidza kuchaja uye kupisa kwemabhatiri. Yayo makumi mana nematanhatu akateedzana mabhatiri mahombe cylindrical anotarisirwa kugadzirwa-akawanda uye kuendeswa muchikamu chechitatu cha2023.
Muna Nyamavhuvhu gore rino, Sunwanda Company yakaudzawo vanoisa mari kuti bhatiri re "flash charge" rakatangwa nekambani pamusika weBEV rinogona kuchinjirwa kuita 800V high-voltage uye 400V normal-voltage systems. Super kukurumidza kuchaja 4C bhatiri zvigadzirwa zvakawana kugadzirwa kwakawanda mukota yekutanga. Iko kuvandudza kwe4C-6C "flash kuchaja" mabhatiri ari kufambira mberi zvakanaka, uye mamiriro ese anogona kuwana hupenyu hwebhatiri hwe400 kw mumaminetsi gumi.
Nguva yekutumira: Oct-17-2023