Kodi BYD imatsimikizira bwanji chitetezo cha batri ya lithiamu-ion?

2022/04/08

Wolemba: Iflowpower -Portable Power Station Supplier

M'mwezi waposachedwapa, mphamvu zatsopano chitetezo galimoto ngozi kawirikawiri. Malinga ndi ziwerengero zosakwanira, chiwerengero chokha cha magalimoto amagetsi omwe anachitika m'miyezi iwiri ya chaka chino, chiwerengero cha ngozi zamoto mu 2017 mu 2017. Ndizofunikira kudziwa kuti ambiri mwa magalimoto amagetsiwa ali pangozi yamoto, pali mabatire ambiri opangidwa ndi lithiamu-ion.

Zitha kuwoneka kuti kudalirika kwa batri ya lithiamu-ion kumagwirizana ndi chitetezo chaumwini ndi katundu wa ogula. Ndiye, chifukwa chiyani batire ya lithiamu-ion imatengedwa ndi galimoto yamagetsi? Kodi mapaketi a batri amachita chiyani? Kutentha kopanda mphamvu ndikowona, mphamvu ya batri ya lithiamu-ion yamphamvu. Batire ya lithiamu-ion ndi yayikulu, ndipo choyambirira chimayamba chifukwa cha kutentha kwamphamvu.

Pakalipano, kupanga magalimoto amagetsi oyera sikuli bwino kwambiri. Ogula ndi abwino kwa magalimoto amagetsi angwiro. Sikophweka kufikira ngolo yamafuta.

Ndi wogula kapena chinthu chatsopano chamagetsi, pali chofunikira china pa moyo wa batri. Choncho, pali batri ya lithiamu-ion ya yuan itatu yomwe imakhala ndi kulemera kochepa komanso mphamvu zambiri, imagwiritsidwa ntchito ndi makampani ambiri amagetsi atsopano. Komabe, batri ya lithiamu-ion ya katatu imakhala ndi vuto lakupha, lomwe limakhala losavuta kuyambitsa ngozi yamoto galimoto itagundana, ndipo wamkulu, thermostat chifukwa cha kutentha kwa batri.

(Batire ya lithiamu iron phosphate ion yomwe idagwiritsidwa ntchito kale sikophweka kuyambitsa pambuyo pa kugunda, kulemera kwake kumakhala kolemetsa pang'ono, mphamvuyo imakhala yaying'ono pang'ono, kotero pang'onopang'ono yasinthidwa ndi batri ya ion yamitundu itatu) mu galimoto yoyera yamagetsi, Mphamvu ya batri ya lithiamu-ion imakhala ndi mphamvu zambiri za batri ya lithiamu-ion, ndipo kutentha kwakukulu kumayikidwa mu kanyumba kakang'ono ka batri panthawi yogwira ntchito. Ngati zopatsa mphamvu sizingathe kufalikira mwachangu munthawi yake, sizidzangokhudza moyo wa batire ya lithiamu-ion yamphamvu, komanso chodabwitsa cha kutentha kwapang'onopang'ono, potero kumayambitsa ngozi monga kuphulika kwamoto. Ngati kwenikweni, pali milandu inayi ya mfundo ya kutentha kwapang'onopang'ono, ndiko kuti, kugwiritsa ntchito makina osokoneza bongo, kugwiritsa ntchito magetsi, kugwiritsa ntchito molakwika kutentha, ndi mafupipafupi amkati.

Kuponderezedwa kwamakina kumatanthawuza kuti pamene galimoto ikuphwanyidwa, chifukwa cha mphamvu yakunja, selo la batri la lithiamu-ion, paketi ya batri ndi yopunduka, ndikusuntha kwachibale kwa magawo osiyanasiyana, kuchititsa kuti diaphragm ya batri igwe ndipo imachitika mabwalo amkati. ndi kutayikira kwa electrolyte yamafuta Kumayambitsira moto. Pakugwiritsa ntchito nkhanza zamakina, kuwonongeka kwa nkhonya kumakhala kowopsa kwambiri, kungayambitse kondakitala kuyika thupi la batri, zomwe zimapangitsa kuti pakhale chiwongolero chachifupi komanso choyipa. Ndipo kugwiritsa ntchito molakwika kwa magetsi kumachitika chifukwa chogwiritsa ntchito molakwika batire, ndipo kumakhala ndi mitundu ingapo yafupipafupi yakunja, kuchulukitsitsa komanso kutulutsa kwambiri.

Pakati pawo, chifukwa kutulutsa kosinthika kumakhala kochepa, kukwera kwa nthumwi zamkuwa zomwe zimayambitsidwa ndi kutulutsa kwakukulu kudzachepetsa chitetezo cha batri, potero mwayi watsopano wowonjezera mphamvu. Dongosolo lalifupi lakunja ndi chifukwa cha ma conductor awiri mwa magawo awiri apakati pamagetsi. Pamene dera lalifupi lakunja likuchitika, kutentha kwa batri sikungathe kufalikira bwino, ndipo kutentha kwa batri kudzakwera, ndipo kutentha kwakukulu kumayambitsa kutentha sikungathe kulamulira.

Pomaliza, kulipiritsa mochulukira ndi mtundu wa kuvulaza kwamagetsi. Chifukwa cha kuchuluka kwa lithiamu, kristalo ya nthambi ya lithiamu ikukula pamwamba pa anode. Ndipo kutsekedwa kochuluka kwa lithiamu kumapangitsa kuti cathode iwonongeke chifukwa cha kutentha ndi kutulutsa mpweya.

Kutulutsidwa kwa okosijeni kumathandizira kusanthula kwa electrolyte, kuchuluka kwa gasi. Chifukwa cha kupanikizika kwatsopano kwa mkati, valve yotulutsa mpweya imatsegulidwa, batire imayamba kutha. Pambuyo pa chinthu chogwira ntchito mu batri chikukhudzana ndi mpweya, chinthu chodabwitsa chimachitika, chimayika kutentha kwakukulu, motero kumapangitsa kuti batire liwotche moto.

Chotsatira ndi otentha nkhanza, izi ponena kuti kutenthedwa m batire, ndilo palokha zochepa, zambiri mwa nkhanza makina ndi nkhanza magetsi, ndipo ndi nkhani molunjika komaliza adziphe. nkhanza Hot zambiri wapamwamba kwambiri kwa kutentha kunja yozungulira, kapena yochepa dera chifukwa cha kutentha m'badwo mkulu chifukwa cha machitidwe kulamulira kutentha, motero kuchititsa kutentha kulamulira. Kuyambira protocol, ndi kugunda, kuwonongeka, kapangidwe, ntchito ya batire la, kukonza, ntchito kapena zina kasamalidwe dongosolo ikukhudzana kulephera kwa dongosolo mpweya kungachititse kuti nkhanza kutentha.

Pomaliza, kusowa mkati. Zimenezi amayamba ndi cholembera zabwino ndi zoipa batire, kawirikawiri amayamba chifukwa chomwa makina ndi nkhanza matenthedwe. The mkati dera yochepa chifukwa cha zovuta chomwecho, monga adzapereke kwambiri wa mabatire lifiyamu ion.

Kudzikundikira dendrites zingachititse kuboola zakulera batire, potero mkati lalifupi dera kapena kugunda, pambuyo kuwonongeka puncture, zikubweretsa kukhudzana zabwino ndi zoipa. Iwo Tingaone kuti mu moto ngozi ya galimoto koyera magetsi, kaŵirikaŵiri chifukwa cha pamwamba zinthu zinayi, ndi ngozi kunja ndi aimedian china. Ndi chifukwa cha ichi, kuti Mlengi batire paketi, izo adzachititsa moto ngozi chifukwa tcheru kapena pamwamba, amene osati kukhala osamala kwambiri processing batire, komanso kuchititsa mndandanda wa zinthu zatsopano mayeso.

Pakati pawo, BYD ndi woyenera kutamandidwa pankhaniyi. BYD batterically kungakupatseni chitetezo cha batire mu R & D, kuti chenjerani ndi batire la, BYD batire wakhala kupewedwa kupeŵa ngozi pamlingo winawake pa kafukufuku. Batire ntchito magalimoto BYD zonyamula zimakhala ndi ternary lifiyamu ion batire, yemwenso amadziwika kuti ndi atatu azithunzi omwe tikunena batire lifiyamu ion, kutanthauza zabwino elekitirodi chuma pogwiritsa ntchito faifi tambala-cobalt-oxanate kapena lifiyamu faifi tambala-cobalt-okusayidi.

Lifiyamu ion batire kwa zinthu ternary positive. The zabwino elekitirodi kugwiritsidwa ntchito ndi ternary batire BYD a lifiyamu-ion ndi lifiyamu faifi tambala-cobalt-mpweya-melate, lomwe ndi chimodzimodzi batire lifiyamu-cobalt-aluminate ion, pamene mphamvu kachulukidwe ndi apamwamba, zipangitsa moyenera batire, bata, kotero adzakhala amasankha mwa panopa ogula amasankha batire magetsi galimoto mphamvu lifiyamu ion. Komabe, mtendere matenthedwe wa lifiyamu faifi tambala-cobalt-manganese asidi ndi wabwino kuposa wa faifi tambala-cobalt-aluminate, ndi chiŵerengero cha zili faifi tambala kakang'ono, ndipo ndi bwino kuti bwino moyo ndi chitetezo pamene kuwonjezeka mphamvu osalimba.

Choncho, otetezeka monga mphamvu lifiyamu batire ion. Chachiwiri, batire lifiyamu-ion ndi m'magulu awiri akuluakulu a chipolopolo mwakhama ndi thumba zofewa malinga ndi selo magetsi, ndi zinthu zovuta chipolopolo ndi zabwino chipolopolo zitsulo ndi chipolopolo zotayidwa, ndi thumba zofewa ndi zotayidwa-pulasitiki gulu filimu zakuthupi. Pakati pawo, chipolopolo molimba lagawidwa mtundu cylindrical ndi lalikulu chipolopolo malinga ndi dongosolo zake zabwino ndi zoipa mu mkati ake.

Mwachidule, kwambiri zikuluzikulu batire phukusi mitundu itatu, cylindrical, mtundu lalikulu chipolopolo ndi zofewa mtundu thumba. BYD amagwiritsa lalikulu phukusi zotayidwa chipolopolo, zomwe mungapange zinthu mkati mwa batire la mwamphamvu kwambiri, kuphatikiza zopinga zotayidwa chipolopolo, zovuta kuti mukulitse, kotero ndi otetezeka. Komanso, phukusi lalikulu chipolopolo ndi cholinga chowapatsa kuphulika, ndipo ngati pali kutentha imfa, mpweya kuwonjezeka yamasulidwa malangizo atathana cha kutchuka, ndi zovuta bwanji maselo ena batire.

Ndipo chifukwa phukusi lalikulu ntchito, kusiyana khungu ndi yaing'ono kwambiri, ndi zitsulo zotayidwa nyumba ali osalimba yaing'ono, kulemera kwa kuwala kuwala, ndi osalimba batire mphamvu za phukusi lalikulu chipolopolo akhoza kukhala apamwamba. Ndi ofunika kuzitchula kuti BYD ndi kasamalidwe dongosolo batire oyang'anira batire boma ndi zenizeni nthawi, pamene batire paketi kutentha ndi nthenda, kutentha madyaidya ndikuledzera magetsi mwa dongosolo mpweya, kuonetsetsa batire chitetezo ndi moyo. Ndipo pa lifiyamu-ion batire dongosolo wanzeru ulamuliro kutentha mphamvu ofotokoza mphamvu lifiyamu ion batire paketi anati batire Kutentha, ntchito yozizira, ndi imodzi optimizes latsopano kutentha amalimata matenthedwe kutchinjiriza ntchito, kotero kuti batire ntchito mu kutentha abwino osiyanasiyana, kutalikitsa moyo batire.

Kuyesa kolimba ndikwabwino kuwonetsetsa kuti chitetezo cha batri chikhoza kuwonedwa ndi pamwambapa, ndipo mabatire a BYD atsimikizira kwambiri chitetezo cha mabatire pakupanga R & D. Kumene, pofuna kuyesa bwino chitetezo cha batire, BYD anapanganso mndandanda wa mayesero ovuta kwambiri pa R & D ya batire, ndi ntchito experimental anali zofunika kutengera mmene ogula angakumane ntchito tsiku ndi tsiku. wa ogula. Charge, dera lalifupi, kufinya, acupuncture, moto, etc.

Kuyesa kwa overshoot ndikofunikira kuti muyese njira yolipirira tsiku lililonse ya mabatire a lithiamu ion kutsimikizira kudalirika ndi chitetezo cha batri. Ndikofunikira kulipiritsa zomwe zanenedwa ndi batire, mpaka paketi ya batri kapena batri ya monomer ifika pamagetsi omwe atchulidwa mpaka gawo la batri lizilipira. Ndiye imani, kuyang'ana batire mogwirizana ndi nthawi.

Kuyesa koyeserera ndikulephera kwa batire lalifupi. Muzoyesera zazifupi, batri yamkati yamphamvu ya lithiamu ion idzadutsa pakali pano, batire imapangidwa, kuphulika, kuphulika kwa valve, etc. , ndi zina.

Ndikofunikira kuchita malo omwe atchulidwa (kutentha kwanthawi zonse kapena kutentha kwambiri), ikani batire yomwe ikugwiritsidwa ntchito mubokosi lofananira ndi kuphulika, ndipo kuwunika kwakunja kwachidule kwa zitsanzo zomwe zatengedwa kumachitidwa ndi sampuli kuti amalize kayeseleledwe. Kuzindikira kwachidule kwa batri. Cholinga cha kuyesaku ndikukweza kapena kukonza ukadaulo, kudalirika kwatsopano kwa batri ndi chitetezo.

Image017.jpg Extrusion Test Poyerekeza ndi ngozi, pamene thupi la galimoto lawonongeka kwambiri, batire imafinyidwa pamene batire yatuluka, ndipo batire imawonongeka ndi extrusion deformation, kapena kuyambitsa zoopsa zobisika monga moto, kuphulika. Ndikofunikira kuyika batire ya monomer kapena gawo la batri lomwe limagwiritsidwa ntchito poyeserera pazida zogwirira ntchito, ndipo mbale ya theka-cylindrical extrusion yotchulidwa ndi utali wozungulira imayenderana ndi liwiro lofinya la (51) mm / s polowera batire. mbale ya polar.

Digiri kufika voteji 0V?. Ndipo sungani ola la 1, kuyesa kumafuna kuti batri silingathe moto, osati kuphulika. Kuyeserako kunafaniziranso ngoziyo pogwiritsira ntchito galimotoyo, batire inalasidwa ndi chinthu chakuthwa, ndipo kudzera mwa njira zamakono zopewera thupi lachilendo, dera lamkati lamkati, lomwe linayambitsa zoopsa zobisika monga moto, kuphulika.

Kuyesera kunachitika pa kutentha kozungulira kwa 20 ¡ã C ?? 5 ¡ã C, ndipo ma cell omwe amagwiritsidwa ntchito pozindikira adayikidwa pazida zoyesera, ndipo malo akuluakulu a batri adapyozedwa ndi kukula kokonzedweratu kwa singano yachitsulo yopanda vase. Malo apakati, kuyesa kumafuna kuti batire silingakwanitse moto, osati kuphulika. Pambuyo poyesa moto kuyerekeza paketi ya batri kapena dongosolo laikidwa pa galimoto yamagetsi, galimoto yamagetsi yakwera mwadzidzidzi pamene galimoto yamagetsi imakhala yotentha kwambiri kapena moto.

Pakuyesa, yang'anani paketi ya batri kapena dongosolo mu nthawi yochepa, chifukwa cha zinthu zosiyanasiyana zomwe kutentha kumawonjezeka mwadzidzidzi. Mu kuyesera, ndi lifiyamu ion mphamvu batire gawo ntchito mu zida mayeso aikidwa mu zida zoyesera anakonzeratu kapena munda, ndi kutentha ndalama adzapitiriza kuyaka, mayeso amafuna palibe kuphulika, moto, kuyaka, ndipo palibe moto mbande kukhala. . Kuphatikiza apo, BYD yachita kutentha kocheperako, kutentha kwambiri, kuthira madzi amchere, kugwa, komanso kuzindikira kugwedezeka.

Kupyolera mu kuyerekezera batire Adudi ndi ndondomeko kuyezetsa, amadziwika kuti BYD mphamvu lithiamu ion batire ndi odalirika kudalirika ndi khalidwe mankhwala. BYD koyera magetsi galimoto batire ndi otetezeka, moyo wautali mokwanira, za ogula, pambuyo kuonetsetsa chitetezo batire, koma chidwi kwambiri kupirira mtunda wa magalimoto koyera magetsi, bwanji osatha mtunda wa galimoto koyera magetsi? Apa tasankha BYD koyera magalimoto magetsi ogula bwino, tiyeni tione mmene magalimoto amenewa ali ndi mtunda wosatha. Yuan EV360, yemwe ndi mtsogoleri wa SUV wa 100,000, adagulitsa mayunitsi 5008 mu September chaka chino.

Ndikokwanira kuona galimoto iyi ikukondedwa ndi ogula. Galimotoyi ili ndi batri yaposachedwa ya ion yamitundu itatu ku BYD. Kuchuluka kwa paketi ya batri ndi 43.

2kW / h, ndi kachulukidwe mphamvu ndi 146.27Wh / kg. Batire yake yophatikizika ndi 305km, ndipo mu 60km / h isometrics, Mileage imathanso kufika 360km.

BYD E5 monga galimoto yamagetsi yodziwika bwino kwambiri ya ogula, malonda a 4052 mu September, ndipo galimotoyi ilinso ndi batri ya lithiamu-ion yamitundu itatu. Batire paketi mphamvu ndi 60.48kw / h, ndi mabuku ake batire moyo 400M.

BYD Qin Proev imagwira ntchito ngati galimoto yatsopano yomwe yatchulidwa posachedwa, mphamvu ya batri ndi 56.4kWh, ndipo moyo wake wa batri wophatikizidwa wafika 420m. Zitha kuwonedwa kuchokera ku zitsanzo zogulitsidwa bwino kwambiri zomwe BYD imakweza batire ya lithiamu-ion mphamvu ya batri kuti ikumane ndi ogula.

Ndemanga ya Mkonzi: Makampani ambiri a mabatire ndi makampani amagalimoto akutsata kachulukidwe kakang'ono ka mphamvu kuti apeze ndalama zochulukirapo, koma kunyalanyaza mikhalidwe yofunika kwambiri yachitetezo cha mabatire amphamvu a lithiamu-ion, ndipo ngozi zaposachedwa zimapatsanso mphamvu ma ion a lithiamu. Chitetezo cha batri chimatenga kamodzi pakuwona. Monga kampani oyambirira ku China, kampani oyambirira ku China, BYD wakhala anakhalabe mkulu mlingo wa chitetezo pa chitukuko cha mphamvu lifiyamu-ion batire.

Ndipo titha kuwonanso zovuta zonse mu BYD mu njira yopangira batire, yomwe nthawi zonse imayika chitetezo cha ogula poyamba. Choncho, BYD processing ndi odalirika.

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