BYD inovimbisa sei kuchengetedzwa kweiyo dynamic lithium-ion bhatiri?

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - პორტატული ელექტროსადგურის მიმწოდებელი

Mumwedzi uchangopfuura, simba idzva rekuchengetedza motokari njodzi kazhinji. Maererano nehuwandu husina kukwana, nhamba chete yemotokari yemagetsi yakaitika mumwedzi miviri yegore rino, nhamba yose yezviitiko zvemoto mu2017 mu2017 yose. Zvakakosha kuziva kuti mazhinji emotokari idzi dzemagetsi dziri mutsaona yemoto, kune akawanda mabhatiri e-lithium-ion ane simba.

Zvinogona kuoneka kuti kuvimbika kweiyo simba lithium-ion bhatiri ine chekuita nekuchengetedzwa kwemunhu uye pfuma yemutengi. Saka, nei simba re lithium-ion bhatiri rakatorwa nemotokari yemagetsi? Matanho api anoita mabhatiri mapaketi? The thermal out-of control ichokwadi, simba reiyo dynamic lithium-ion bhatiri. Iyo lithium-ion bhatiri yakakura, uye yekutanga inokonzerwa nekupisa kusingadzoreki.

Parizvino, kuvakwa kwemotokari dzemagetsi dzakachena hakusati kwakanyatsonaka. Vatengi vakanakira mota dzemagetsi dzakachena. Hazvisi nyore kusvika pachingoro chemafuta.

Mutengi kana chigadzirwa chitsva chesimba, pane chimwe chinodiwa kune hupenyu hwebhatiri. Naizvozvo, kune matatu-yuan lithium-ion bhatiri ine uremu huremu uye simba rakakwirira, rinoshandiswa neakawanda matsva emagetsi makambani emotokari. Zvisinei, matatu-dimensional lithium-ion bateri ine ngozi inouraya, iyo iri nyore kukonzera njodzi yemoto mushure mokunge motokari yarovera, uye mukuru, thermostat inokonzerwa nekupisa kwebheteri.

(Iyo isati yashandiswa lithium iron phosphate ion bhatiri haisi nyore kutanga mushure mekudhumhana, huremu hunorema zvishoma, simba racho idiki zvishoma, saka zvishoma nezvishoma rakatsiviwa nebhatiri reion-dimensional ion) mumotokari yakachena yemagetsi, Iyo simba lithium-ion bhatiri system inoumbwa nehuwandu hwesimba relithium-ion bhatiri masero, uye huwandu hukuru hwekupisa muchikamu chidiki chebhatiri masero. Kana makorikori asingakwanisi kukurumidza kupararira munguva, hazvizongokanganisa hupenyu hwebhatiri ye-lithium-ion, asiwo chiitiko chekupisa kunze kwekutonga, zvichiita kuti njodzi dzakadai sekuputika kwemoto. Kana mumusimboti, pane zviitiko zvina zvemusimboti wekupisa kunze kwekutonga, ndiko kuti, kushandiswa kwemagetsi, kushandiswa kwemagetsi, kupisa kupisa, uye mukati mapfupi maseketi.

Mechanical abuse zvinoreva kuti kana mota yadonha, nekuda kwesimba rekunze, lithium-ion bhatiri sero, bhatiri pack rakaremara, uye kutama kwezvikamu zvakasiyana, zvichiita kuti bhatiri diaphragm ibvambuke uye inoitika mukati mapfupi maseketi, uye mafuta eelectrolyte leakage Pakupedzisira anotanga moto. Mukushandiswa kwemakanika, kukuvadzwa kwepuncture kwakanyanya, zvinogona kuita kuti conductor aise bhatiri muviri, zvichikonzera yakanaka uye isina kunaka danda rakatwasuka. Uye kushandiswa kwemagetsi kunokonzerwa nekushandiswa zvisina kunaka kwebhatiri, uye ine marudzi akati wandei ekunze pfupi pfupi, kuwandisa uye kuburitsa zvakanyanya.

Pakati pavo, nokuti kubudiswa kwekuchinja kuduku, kukwira kwemhangura yemhangura kunokonzerwa nekubuda kwakanyanya kunoderedza kuchengetedzeka kwebhatiri, nekudaro mikana mitsva yemagetsi inowedzera. Iyo yekunze yedunhu pfupi ndiyo mhedzisiro mune maviri eaviri ekumanikidza akasiyana maconductor mumagetsi core. Kana iyo yekunze pfupi yedunhu ikaitika, kupisa kwebhatiri hakugone kupararira zvakanaka, uye tembiricha yebhatiri ichakwira, uye tembiricha yepamusoro inokonzera kupisa haichadzoreki.

Chekupedzisira, kubhadharisa zvakanyanya imhando yekukuvadza kwemagetsi. Nekuda kwekuwedzera kwe lithium embedding, lithium bazi crystal iri kukura pamusoro peanode. Uye iyo yakawandisa deinterling ye lithium inokonzeresa iyo cathode chimiro kuparara nekuda kwekupisa uye kuburitswa kweokisijeni.

Kusunungurwa kweokisijeni kunowedzera kuongororwa kwe electrolyte, yakawanda yegesi. Pamusana pekutsvaga kwemukati mutsva, valve yekupedza inovhurwa, bhatiri rinotanga kupera. Mushure mokunge chinhu chinoshanda mubhatiri chiri kusangana nemhepo, chiitiko chinoshamisa chinoitika, chinoisa kupisa kwakawanda, nokudaro zvichiita kuti bhatiri paki inopisa moto.

Zvinotevera kushungurudzwa kunopisa, izvi ndezvekureva kupisa kwenzvimbo mubhatiri, iyo ishoma kwazvo yakazvimiririra, kazhinji kuburikidza nekushungurudzwa kwemichina uye kushandiswa kwemagetsi, uye inyaya mune yekupedzisira yakatwasuka. Kupisa kupisa kunowanzo kukwira kune tembiricha yekunze, kana kuti pfupi-circuit inokonzerwa nekupisa kwakanyanya kunokonzerwa nemasystem ekudzora tembiricha, nokudaro zvichikonzera kupisa kusadzora. Kubva paprotocol, kudhumhana, kukuvadza, chimiro, kushanda kwebhatiri, chimiro, kushanda kana imwe nzira yekupisa yekupisa, kukundikana kwemhepo inogadzirisa mhepo kunogona kutungamirira mukupisa kupisa.

Pakupedzisira, kuperevedza kwemukati. Mamiriro ezvinhu aya anokonzerwa nepeni yakanaka uye yakaipa yebhatiri, kazhinji inokonzerwa nekushungurudzwa kwemagetsi uye kupisa kupisa. Iyo yemukati pfupi yedunhu inokonzerwa neiyo yakaoma yakaoma, senge yakawandisa kuchaja kwe lithium ion mabhatiri.

Iko kuunganidzwa kwemadendrites kunogona kukonzera kuboora bhatiri diaphragm, nekudaro mukati mepfupi wedunhu kana kudhumhana, mushure mekukuvadzwa kwepuncture, zvichitungamira kune yakanaka uye isina kunaka kuonana. Zvinogona kuonekwa kuti mutsaona yemoto yemotokari yakachena yemagetsi, inowanzokonzerwa nemamiriro ezvinhu mana ari pamusoro apa, uye njodzi dzekunze ndeye aimidian factor. Izvo zvakare nekuda kweizvi, kune mugadziri webhatiri paki, zvinokonzeresa tsaona yemoto kune yambiro kana pamusoro, iyo isingazove yakangwarira zvakanyanya mukugadzirisa bhatiri, asi zvakare ita nhevedzano yekuyedza miedzo.

Pakati pavo, BYD yakakodzera kurumbidzwa panyaya iyi. BYD yakavimbiswa kuchengetedzeka kwebhatiri muR <000000> D, kuitira kuchengetedza bhatiri, BYD bhatiri rakadziviswa kudzivirira njodzi kune imwe nhanho panguva yekutsvagisa nekusimudzira. Bhatiri rinoshandiswa mumotokari dzevatakuri dzeBYD rinenge riri ternary lithium ion bhatiri, rinozivikanwawo sematatu-dimensional lithium ion bhatiri, iro rinoreva chinhu chakanaka che electrode uchishandisa nickel-cobalt-oxanate kana lithium nickel-cobalt-oxide.

Lithium ion bhatiri ye ternary positive zvinhu. Iyo yakanaka electrode zvinhu zvinoshandiswa neBYD&39;s ternary lithium-ion bhatiri inonzi lithium nickel-cobalt-oxygen-melate, iyo yakafanana neiyo lithium-cobalt-aluminate ion bhatiri, nepo simba remagetsi richikwira, rinoita kuti bhatiri rive rakaenzana, kugadzikana, saka inozove Inofarirwa mune yazvino yevatengi-giredhi yemagetsi bhatiri yemagetsi emagetsi emagetsi emagetsi emagetsi. Zvisinei, kugadzikana kwekupisa kwe lithium nickel-cobalt-manganese acid iri nani pane iyo nickel-cobalt-aluminate, uye chiyero che nickel content iduku, uye zviri nani kuita mararamiro ehupenyu nekuchengeteka uchiwedzera simba remagetsi.

Naizvozvo, yakachengeteka zvakanyanya sesimba lithium ion bhatiri. Chechipiri, bhatiri re lithium-ion rakakamurwa kuita zvikamu zviviri zvikuru zvegoko rakaomarara uye bhegi rakapfava zvinoenderana nesero remagetsi, uye ganda rakaomarara rinodikanwa kugoko resimbi nealuminium shell, uye bhegi rakapfava ialuminium-plastiki inoumba firimu zvinhu. Pakati pavo, iyo goko rakaoma rakakamurwa kuita cylindrical uye square shell mhando maererano nekurongeka kwemapango akanaka uye asina kunaka mukati mayo.

Zvingori nyore, iwo akajairwa bhatiri mapakeji marudzi matatu, cylindrical, square shell type uye soft bag type. BYD inoshandisa square aluminium shell mapakeji, ayo anogona kuita kuti zvinhu zvemukati zvebhatiri zvive zvakasimba, pamwe nealuminium shell constraints, zvisiri nyore kuwedzera, saka zvakachengeteka. Uye zvakare, iyo square shell package inogona kuve yakashongedzerwa nekuputika, uye kana paine kurasikirwa kwekupisa, mhepo yekuwedzera inoburitswa kubva kune yakatarwa nzira yemukurumbira, hazvisi nyore kukanganisa mamwe masero ebhatiri.

Uye nekuti iyo square package inoshandiswa, iyo gap yesero idiki zvakanyanyisa, uye imba yealuminium ine diki density, huremu hwechiedza hwakareruka, uye bhatiri remagetsi density yesquare shell package inogona kukwira. Izvo zvakakoshawo kutaura kuti BYD&39;s bhatiri manejimendi system inotarisisa mamiriro ebhatiri nenguva-chaiyo, kana tembiricha yebhatiri paki isiri yakajairika, kupisa kupisa kana kupisa kuburikidza neair conditioning system, kuve nechokwadi chekuchengetedza bhatiri uye hupenyu. Uye pane simba-based lithium-ion bhatiri inonzwisisa tembiricha yekudzora system, iyo simba lithium ion bhatiri pack inowedzera bhatiri kudziyisa, kutonhora basa, uye panguva imwe chete optimize itsva kupisa-insulated thermal insulation basa, kuitira kuti bhatiri rishande munzvimbo yakakodzera tembiricha, kuwedzera hupenyu hwebhatiri.

Kuedzwa kwakasimba kuri nani kuona kuti kuchengetedzwa kwebhatiri kunogona kuonekwa nezviri pamusoro, uye mabhatiri eBYD akavimbisa zvakanyanya kuchengetedzwa kwemabhatiri muR <000000> D kugadzirwa. Ehe, kuitira kuti tiedze zvirinani kuchengetedzeka kwebhatiri, BYD yakaitawo nhevedzano yekuedza kwakaomarara panguva yeR <000000> D yebhatiri, uye chirongwa chekuyedza chaidikanwa kutevedzera mamiriro ezvinhu apo vatengi vanogona kusangana mukushandiswa kwezuva nezuva kwevatengi. Charge, short circuit, kusvina, acupuncture, moto, nezvimwe.

Iyo overshoot bvunzo yakakosha kutevedzera zuva nezuva kuchaja mabhatiri e-lithium ion kuratidza kuvimbika uye kuchengetedzeka kwebhatiri. Izvo zvinodikanwa kubhadharisa ikozvino inotsanangurwa nebhatiri, kusvika bhatiri paki kana bhatiri remonomer rasvika kune yakatsanangurwa voltage kusvika bhatiri module yazara. Zvadaro mira, cherechedza bhatiri maererano nenguva.

The kuedza simulation ibhatiri pfupi redunhu kutadza. Mukuedza kwenguva pfupi, simba remukati lithium ion bhatiri richapfuura nepakati pfupi-yekutenderera ikozvino, bhatiri rinowanzogadzirwa, kuputika, kuchengetedza valve pop-up, nezvimwewo, zviitiko zvakanyanyisa zvichapisa, kuonekwa Utsi hwakasimba, kunyange kuputika, nezvimwewo.

Izvo zvinodikanwa kuita nharaunda yakatarwa (yakajairika tembiricha kana tembiricha yakakwira), isa bhatiri rinoshandiswa mubhokisi rinoputika-risingapindi bhokisi, uye yekunze yepfupi-yedunhu simulation yekuona yemuenzaniso wesample inoitwa nesampled sampuli kupedzisa simulation. Battery yekunze kupfupika kwekuona. Chinangwa chechiyedzo ichi ndechekuvandudza kana kuvandudza tekinoroji, kuvimbika kutsva kwebhatiri uye kuchengetedzeka.

Image017.jpg Extrusion Test Nokuda kwekuenzanisa kwetsaona, kana muviri wemotokari wakaremara zvakanyanya, bhatiri riri kudzvinyirirwa kana bhatiri rabudiswa, uye bhatiri rinokuvadzwa ne extrusion deformation, kana kukonzera njodzi dzakavanzwa dzakadai semoto, kuputika. Izvo zvinodikanwa kuisa monomer bhatiri kana bhatiri module inoshandiswa mukuyedza muchishandiso chekushandisa, uye iyo semi-cylindrical extrusion plate inotsanangurwa neradius iri perpendicular kune yekudzvanya kumhanya kwe (51) mm / s munzira yebhatiri polar plate.

Iyo dhigirii inosvika kune voltage ye0V ?. Uye cherechedza awa 1, bvunzo inoda kuti bhatiri rirege kupa moto, kwete kuputika. Kuedza kwakatevedzerawo tsaona pakushandisa motokari, bhatiri akabayiwa chinhu chinopinza, uye kuburikidza unyanzvi nzira kudzivirira vatorwa muviri, yomukati pfupi wedunhu, izvo zvakakonzera zvakavanzika njodzi dzakadai moto, kuputika.

Kuedza kwakaitwa pane ambient tembiricha ye20 ¡ã C ?? 5 ¡ã C, uye masero anoshandiswa pakuonekwa akaiswa pamichina yekuedza, uye nzvimbo huru yebhatiri yakabayiwa nehukuru hwakatarwa hwesimbi isiri-vase simbi. Nzvimbo yepakati, bvunzo inoda kuti bhatiri risakwanise moto, kwete kuputika. Mushure mekuedzwa kwemoto kutevedzera bhatiri pack kana iyo system yakaiswa pamotokari yemagetsi, mota yemagetsi yakangoerekana yasimudzwa kana mota yemagetsi yakakwira tembiricha pasi kana murazvo.

Munguva yekuyedzwa, tarisa bhatiri paki kana system munguva pfupi, nekuda kwemamiriro akasiyana ekuti tembiricha inongoerekana yawedzera. Muchiyedzo, iyo lithium ion power battery module inoshandiswa muyedzo yemidziyo inoiswa muyedzo yakafanotemerwa midziyo kana munda, uye tembiricha yekushandisa icharamba ichipisa, bvunzo haidi kuputika, moto, kupisa, uye hapana mbesa dzemoto dzinosara. Uye zvakare, BYD yakaita yakadzika tembiricha yakasimba, yakanyanya tembiricha yakasimba, kunyura kwemvura yemunyu, kudonha, uye kuona vibration.

Kuburikidza nekuenzanisa bhatiri reAdudi uye maitiro ekuyedza, inozivikanwa kuti BYD simba lithium ion bhatiri yakavimbika mukuvimbika uye kunaka kwechigadzirwa. BYD yakachena yemagetsi bhatiri yemotokari yakachengeteka, hupenyu hwakareba zvakakwana, pamusoro pevatengi, mushure mekuona kuchengetedzwa kwebhatiri, asi kunyanya kutarisa kutsungirira mileage yemotokari dzemagetsi dzakachena, sei makiromita asingagumi emotokari yakachena yemagetsi? Pano takasarudza BYD yakachena yemagetsi mota dzinozivikanwa nevatengi, ngatitarisei kuti mota idzi dzine mamaira asingagumi sei. Yuan EV360, inova 100,000-level pure SUV leader, yakatengesa 5008 units munaGunyana gore rino.

Zvakakwana kuona motokari iyi inodiwa nevatengi. Mota iyi yakashongedzerwa neazvino-matatu-dimensional ion bhatiri muBYD. Iyo bhatiri paki inokwana makumi mana nematatu.

2kW / h, uye simba density iri 146.27Wh / kg. Hupenyu hwayo hwebhatiri hwakasanganiswa 305km, uye mu60km / h isometrics, Mileage inogonawo kusvika 360km.

BYD E5 semutengi anonyanya kuzivikanwa mota yemagetsi, kutengesa kwe4052 munaGunyana, uye mota iyi zvakare yakashongedzerwa netatu-dimensional lithium-ion bhatiri. Iyo bhatiri pack inokwana 60.48kw / h, uye yakazara yayo yebhatiri hupenyu 400M.

Iyo BYD Qin Proev inoshanda semota nyowani ichangobva kunyorwa, huwandu hwebhatiri i56.4kWh, uye hupenyu hwayo hwebhatiri hwakabatanidzwa hwasvika 420m. Inogona kuonekwa kubva kune idzi dzakanyanya kutengesa mhando iyo BYD inokwidza simba lithium-ion bhatiri maererano nehupenyu hwebhatiri kusangana nevatengi.

Matauriro emupepeti: Makambani mazhinji emabhatiri nemakambani emotokari ari kutsvaga kuwanda kwesimba repamusoro kuti awane rubatsiro rwakawanda, asi furatira hunhu hwakakosha hwekuchengetedza mabhatiri e-lithium-ion mabhatiri, uye tsaona dzichangobva kuitika dzichasimbisawo lithium ion. Kuchengetedzwa kwebhatiri kunotora kamwe mumunda wekuona. Sekambani yekutanga muChina, kambani yekutanga muChina, BYD yakagara yakachengetedza kuchengetedzwa kwepamusoro panguva yekuvandudzwa kwebhatiri re lithium-ion.

Uye isu tinogona zvakare kuona ese ane hutsinye probes muBYD mubhatiri kugadzirisa maitiro, ayo anogara achiisa kuchengetedzeka kwevatengi munzvimbo yekutanga. Naizvozvo, BYD kugadzirisa kwakavimbika.