Wane irin baturi wutar lantarki motocin lantarki suke bukata? Wannan tambaya, wacce da alama ba ta bukatar amsa, a baya-bayan nan ta sake farfado da tunanin mutane saboda wani batu mai zafi game da “rikicin fasaha tsakanin baturan lithium na ternary da batirin lithium iron phosphate”.

Babu shakka game da “lafiya ta farko” a kowane lokaci. Duk da haka, kamar yadda muka sani, a cikin ‘yan shekarun da suka gabata, saboda kamfanoni da yawa sun fada cikin makanta kwatanta na “jirewa kewayon”, yanayin da ake ciki na thermal kwanciyar hankali ba shi da kyau, amma baturin lithium na ternary tare da yawan makamashi fiye da lithium iron phosphate. ana neman baturi ko’ina. Saboda haka amincin motar ya biya farashi mai nauyi sosai.

A ranar 29 ga Maris, 2020, BYD a hukumance ya ƙaddamar da baturin ruwa, yana mai sanar da cewa yawan zirga-zirgar jirgin ya kai matakin daidai da baturin lithium mai ƙarfi, kuma ya ci “gwajin acupuncture” mai ban tsoro a cikin masana’antar batir wutar lantarki. Gwajin aminci yana da wahala kamar hawan Everest.

Ta yaya batirin ruwa wanda ya yi alƙawarin sake fayyace sabon ma’auni na amincin abin hawan lantarki aka samar?

A ranar 4 ga Yuni, an gudanar da wani aikin sirri na masana’anta mai taken “Climbing the Peak” a masana’antar Chongqing na Batirin Fordi. Fiye da ƙwararrun kafofin watsa labaru da ƙwararrun masana’antu 100 sun ziyarci wurin. An kuma kaddamar da babbar masana’anta da ke bayan batirin ruwa.

Yunkurin wuce gona da iri na yawan kuzari, masana’antar batir na buƙatar gyara cikin gaggawa

Kafin zuwan baturin ruwa, matsalar lafiyar baturi ta kasance batu mai dadewa a duniya.

Tsaron baturi na motocin lantarki gabaɗaya yana nufin guduwar baturi. Idan aka kwatanta da manyan batura guda biyu da aka saba amfani da su a cikin motocin lantarki a halin yanzu, kayan lithium baƙin ƙarfe phosphate da kansa yana da manyan fa’idodi guda huɗu na haɓakar zafin zafi mai zafi, jinkirin sakin zafi, ƙarancin samar da zafi, kuma kayan ba ya sakin iskar oxygen yayin ruɓewa. tsari kuma ba sauki a kama wuta ba. Rashin kwanciyar hankali na yanayin zafi da amincin batirin lithium na ternary gaskiya ne da masana’antu suka gane.

“A yanayin zafi na 500 ° C, tsarin kayan lithium baƙin ƙarfe phosphate yana da kwanciyar hankali sosai, amma kayan lithium na ternary zai rushe a kimanin 200 ° C, kuma halayen sinadaran ya fi tashin hankali, zai saki kwayoyin oxygen, kuma yana da kyau. mafi sauki don haifar da guduwar thermal.” Sun Huajun, mataimakin babban manajan kamfanin Di Battery, ya ce.

Duk da haka, ko da yake ta fuskar tsaro, batir phosphate na lithium baƙin ƙarfe suna da fa’ida mara misaltuwa fiye da na baturan lithium na ternary, amma saboda yawan ƙarfin kuzarin ya yi ƙasa da na ternary lithium, yawancin kamfanonin motocin fasinja sun faɗa cikin damuwa marasa ma’ana game da ƙarfin ƙarfin batura masu ƙarfi a ciki. shekarun da suka gabata. A ci gaba, har yanzu baturin phosphate na lithium baƙin ƙarfe ya ci nasara a ƙarshen takaddamar layi tare da baturin lithium na ternary.

Wang Chuanfu, Shugaban Kamfanin BYD, wanda aka fi sani da “Battery King”, ya fara ne a matsayin baturi. Kafin sanarwar kera motoci a kan iyaka a shekara ta 2003, an riga an fara bincike da haɓaka batura masu amfani da motoci. Daga ƙaddamar da baturin wutar lantarki na farko zuwa zama ɗaya daga cikin manyan sabbin motocin makamashi na duniya, BYD koyaushe yana sanya “aminci” a farkon wuri.

Ya dogara daidai da matsananciyar mahimmancin aminci wanda BYD bai taɓa barin sake haɓaka batir phosphate na lithium baƙin ƙarfe ba har ma a cikin yanayin kasuwa inda aka mutunta batir lithium na ternary a cikin ƴan shekarun da suka gabata.

Sake fasalin ƙa’idodin aminci, hatimi “gwajin acupuncture”

An haifi batirin batir, kuma masana’antar ta yi sharhi cewa hanyar bunkasa masana’antar batir wutar lantarki da ta shafe shekaru da yawa tana da damar dawowa kan turba.

“Super aminci” shine babban fasalin baturin ruwa. Dangane da wannan, gwajin acupuncture, wanda aka sani da “Mount Everest” a cikin al’ummar gwajin lafiyar baturi, an buga masa hatimi. Bugu da kari, baturin ruwa shima yana da babban karfi, babban rayuwar batir, babban yanayin zafi, babban rayuwa, babban iko da babban aiki da kuma tunanin fasaha na “6S”.

Batura guda ɗaya tare da tsawon 96 cm, faɗin 9 cm, da tsayin 1.35 cm an shirya su a cikin tsararru kuma an saka su cikin fakitin baturi kamar “blade”. Ana tsallake nau’ikan kayayyaki da katako yayin kafa ƙungiya, wanda ke raguwa Bayan sassa da yawa, an samar da wani tsari mai kama da farantin aluminum na saƙar zuma. Ta hanyar jerin sabbin abubuwa na tsarin, baturin ruwa ya sami babban ƙarfin baturin, yayin da aikin amincin baturin ya inganta sosai, kuma ƙimar amfani da ƙara shima ya karu da kashi 50%. a sama.

“Saboda batirin ruwan wukake na iya rage sassan tsarin da batirin lithium na ternary ya ke karawa sosai saboda rashin isasshen aminci da karfin batir, ta yadda hakan zai rage nauyin abin hawa, karfin makamashin mu daya bai wuce na ternary lithium ba, amma yana iya kaiwa ga. babban baturin lithium na ternary. Batir lithium suna da juriya iri ɗaya.” Sun Huajun ya bayyana.

Li Yunfei, mataimakin babban manajan kamfanin BYD Auto Sales ya ce “ByD Han EV na farko sanye da batura na ruwa yana da kewayon kilomita 605 a karkashin ingantacciyar yanayin aiki.”

Bugu da kari, baturin ruwa zai iya yin caji daga 10% zuwa 80% a cikin mintuna 33, yana tallafawa saurin tafiyar kilomita 100 a cikin daƙiƙa 3.9, yana iya tafiya kilomita miliyan 1.2 tare da hawan keke sama da 3000 na caji da caji, da aikin bayanai kamar ƙarancin aikin zafi fiye da haka. tunanin masana’antar. Domin samun “super fa’ida” na duk-zagaye “juyawa” baturin lithium na uku.

Babban masana’anta wanda ke fassara masana’antu 4.0, yana ɓoye sirrin “ƙolo zuwa saman” na batirin ruwa

A ranar 27 ga watan Mayu, labarin cewa ‘yan tawagar kasar Sin 8 sun yi nasarar hawa dutsen Everest, ya sa jama’ar kasar Sin su ji dadi sosai, kuma yadda BYD ya yi wani sabon kololuwar kare lafiyar batir ya haifar da damuwa da zazzafar muhawara a fannin motocin lantarki.

Yaya wahalar isa saman “Mount Everest” a cikin duniyar amincin baturi? Mun ziyarci masana’anta na Chongqing na Fudi kuma mun sami wasu amsoshi.

Masana’antar batirin Fudi a gundumar Bishan, Chongqing a halin yanzu ita ce kawai tushen samar da batura. Ma’aikatar tana da jimillar jarin Yuan biliyan 10 da kuma karfin samar da wutar lantarki a shekara ta 20GWH. Tun lokacin da aka fara ginin a watan Fabrairun 2019 da ƙaddamar da baturin ruwa a hukumance a cikin Maris 2020, ya rikiɗe daga buɗaɗɗen sarari zuwa masana’anta mai daraja ta duniya tare da tsarin sarrafa masana’anta, mai sarrafa kansa, da tushen bayanai a cikin shekara guda kawai. . Yawancin layukan samar da baturi na asali na BYD da kayan aikin samarwa an haife su a nan, kuma yawancin fasahohin sirri na “boye ne”.

“Da farko dai, buƙatun samar da yanayin samar da batura suna da matuƙar buƙata.” Sun Huajun ya ce, domin rage gajerun adadin batura, sun ba da shawarar yadda za a sarrafa rarrabuwar kura. A wasu mahimman matakai, za su iya cimma mafita ta tsayawa ɗaya. A cikin sararin mita, babu fiye da 29 barbashi na 5 microns (tsawon gashi 1/20 kauri), wanda ya dace da daidaitattun daidaitattun bitar samar da allon LCD.

Mummunan yanayi da yanayi sune kawai “tushen” don tabbatar da babban amincin batirin ruwa. A cewar Sun Huajun, babbar wahala da tabo mai haske wajen samar da batura sun fi mayar da hankali kan “manyan matakai takwas.”

“Yankin sandar da ke da tsayin kusan mita 1 zai iya cimma ikon jurewa a cikin ± 0.3mm da daidaito da saurin ingantaccen lamination guda ɗaya a 0.3s / pcs. Mu ne na farko a duniya. Wannan lamination yana ɗaukar BYD Kayan aikin da aka haɓaka gabaɗaya da tsarin yankewa ba zai iya yin kwafin kowa ba wanda ke son kwafa. ” Sun Huajun said.

Baya ga lamination, batching, shafi, birgima, gwaji da sauran matakai a cikin tsarin samar da baturi ya kai matakin koli na duniya. Misali, daidaiton tsarin batching yana cikin 0.2%; ɓangarorin biyu suna mai rufi lokaci guda, matsakaicin girman nisa shine 1300mm, kuma juzu’in ma’aunin nauyi a kowane yanki yana ƙasa da 1%; gudun mirgina na 1200mm matsananci-fadi nisa zai iya kaiwa 120m/min, kuma kauri ana sarrafa. A cikin 2μm, don tabbatar da daidaiton kauri na yanki mai girman girman girman sandal…….

Ana haifar da kowane baturin ruwa daga neman kamala mara iyaka! A gaskiya ma, sana’a da matakai kamar “saman mafi kyau” sun samo asali ne daga masana’antu 4.0-matakin masana’antu da tsarin gudanarwa na masana’antar baturi.

Madaidaicin na’urori masu auna firikwensin a duk lokacin samar da bita, matakai, da layin, ɗaruruwan mutummutumi, da tsarin kula da inganci wanda ya dace da daidaitattun kulawar IATF16949 & VDA6.3, da sauransu, yana ba da damar sarrafa kayan aikin kayan aikin shuka da bayanan kayan aiki da kayan aiki. Hankali na matakin sarrafawa ya zama mafi ƙarfi “goyan baya” don ingantaccen ingantaccen ingancin samar da baturi.

“Hakika, kowane samfurin batirinmu shima yana da keɓaɓɓen katin’ID’. A nan gaba, bayanai daban-daban yayin amfani da samfurin kuma za su ba mu muhimmiyar ma’ana don ci gaba da haɓaka tsari da ingantaccen samfurin. ” Sun Huajun ya ce, masana’antar batir ta Ford Chongqing ita ce masana’anta ta farko ta batir ruwa a duniya. Tare da ci gaba da haɓaka ƙarfin samarwa, batir ɗin ruwa za su kasance a buɗe ga duk sabbin masana’antar motocin makamashi don rabawa, amfanar masana’antu da masu amfani, da kuma taimakawa haɓaka motocin lantarki na duniya shiga sabon zamani.

“A yau, kusan duk samfuran mota da zaku iya tunanin suna tattaunawa akan tsare-tsaren haɗin gwiwa dangane da fasahar baturi tare da mu.” Yace.

Kuma a yau mun ƙirƙira wasu fakitin baturi don E marines, E yatch, E kwale-kwale…….