So21700 Kwayoyinmaye gurbinFarashin 18650?

Tun da Tesla ya sanar da samar da21700ikon baturi da kuma amfani da su zuwa Model 3 model, da21700guguwar batir ta mamaye.Nan da nan bayan Tesla, Samsung kuma ya fitar da sabon21700 baturi.Har ila yau, ta yi iƙirarin cewa ƙarfin ƙarfin sabon baturin ya ninka na batirin da ake samarwa a halin yanzu, kuma fakitin baturin da ya ƙunshi sabon baturin za a iya caji shi cikin ƙarfin baturi tare da kewayon mil 370 a cikin minti 20.Fuskantar da21700kasuwar batirin wutar lantarki, ams ta shirya masa.Fitowa kamar jerin XT60 wanda zai iya wuce 30A an goge shi a kasuwa sama da shekaru goma kuma ana amfani da su sosai a cikin motocin lantarki, robots masu hankali, kayan ajiyar makamashi, da sauransu. A cikin masana'antar aikace-aikacen batirin lithium, an amince da shi sosai abokan ciniki.

Kamar yadda18650 baturi, Tesla21700 baturiHakanan yana ɗaya daga cikin batir lithium silindari.Daga cikin su, "21" yana nufin baturi mai diamita na 21mm, "70" yana nufin tsayin 70mm, kuma "0" yana wakiltar baturin silindi.

Tesla yana ɗaukar jagorar farko

Tesla ya ƙaddamar da21700 baturiba don jagorantar jagorancin fasaha ba, amma a zahiri saboda matsa lamba.Samfuran masu haɗin sauri na Ams sun ɗauki binciken haɗin gwiwar abokin ciniki da yawa da ƙirar haɓaka don rage farashi ga abokan ciniki yayin tabbatar da inganci.

A farkon aikin Model 3, Musk ya saita farashin dalar Amurka 35,000 don wannan motar, amma idan na asali.18650 baturihar yanzu ana amfani da shi, za a sami sakamako biyu, ko dai don tabbatar da cewa rayuwar batir ta zarce farashin, ko kuma a tabbatar an rage farashin.Jimiri yana da wuya a karɓa don "mai zaɓaɓɓe" Musk.Don haka tambayar ita ce ko akwai baturi da zai iya rage farashi yayin tabbatar da rayuwar batir.Amsar ita ce21700 baturi.

Ko da yake18650 baturiya ba da babbar gudummawa ga haɓakar Tesla, Musk da kansa ya kasance yana da shakka game da shi.Game da21700kuma18650 batura, Musk ya ce a kan kafofin watsa labarun: Bayyanar da18650 baturigaba daya hatsarin tarihi ne.Matsayin samfuran farko, yanzu kawai21700 baturizai iya biyan bukatun aikin baturi na motocin lantarki.

Masana'antu manazarta yi imani da cewa makamashi yawa na21700-nau'in baturiya fi na sananne18650-nau'in baturi, kuma za a rage farashin bayan haɗawa.Zabin21700ba saboda cikakken aikinsa ya fi sauran samfura ba, amma sakamakon cikakkiyar ma'auni na kaddarorin jiki da tattalin arziki.

An ruwaito cewa yawan makamashin wannan21700 baturiTsarin yana kusan 300Wh / kg, wanda ya fi 20% sama da na18650 baturiyawan makamashin da aka yi amfani da shi a cikin asali na Model S. Ƙarfin tantanin halitta ya karu da 35%, yayin da tsarin tsarin ya rage kusan 10%.Musk ya ce: Wannan saitin21700 baturia halin yanzu shine baturin da yake da mafi girman ƙarfin kuzari kuma mafi ƙarancin farashi a tsakanin batura da ake samarwa da yawa.

Abubuwan da ake amfani da su a bayyane suke, amma rashin amfani sun cancanci a lura

　　21700 baturiyana da fa'idodi guda uku.An inganta yawan kuzarin duka tantanin halitta guda da na rukuni sosai.Shan21700 baturisamar da Tesla a matsayin misali, bayan ya canza daga18650model ga21700samfurin, ƙarfin ƙwayar baturi zai iya kaiwa 3 ~ 4.8Ah, wanda shine karuwa mai mahimmanci na 35%.Bayan ƙungiyar, yawan ƙarfin makamashi har yanzu yana ƙaruwa da 20%.

Saboda mafi girman yawan kuzarin sel, adadin sel batir da ake buƙata ƙarƙashin makamashi iri ɗaya na iya ragewa da kusan 1/3.Yayin da rage wahalar sarrafa tsarin, zai kuma rage adadin sifofin ƙarfe da na'urorin lantarki da ake amfani da su a cikin fakitin baturi.Saboda raguwar adadin monomers da aka yi amfani da su da kuma raguwar amfani da wasu na'urorin haɗi, nauyin tsarin baturin wutar lantarki an inganta shi da gaske a ƙarƙashin yanayin tabbatar da ƙarfin iri ɗaya.Bayan Samsung SDI ya canza zuwa sabon saitin21700 baturi, an gano cewa an rage nauyin tsarin da 10% idan aka kwatanta da baturi na yanzu.

Tunda girman tantanin halitta zai iya girma kuma ana iya ƙara ƙarfin tantanin halitta, me zai hana a yi amfani da tantanin halitta mai girma da girma?

Gabaɗaya magana, haɓakar girman jiki na tantanin halitta ba zai ƙara yawan kuzari ba kawai, amma kuma zai rage zagayowar rayuwa da ƙimar tantanin halitta.Bisa ga ƙididdiga, ga kowane 10% karuwa a iya aiki, za a rage rayuwar sake zagayowar da kusan 20%;za a rage yawan caji da fitarwa da kashi 30-40%;a lokaci guda, zafin baturin zai tashi da kusan 20%.

Idan girman ya ci gaba da karuwa, aminci da daidaitawar tantanin halitta zai ragu, wanda ba ganuwa zai ƙara haɗarin aminci da ƙirƙira matsalolin sabbin motocin makamashi.Wannan shine dalilin da ya sa manyan batura masu silindi kamar 26500 da 32650 ba su sami damar mamaye kasuwannin yau da kullun ba.dalili.

A ka'ida, idan aka kwatanta da18650 baturi, Batirin 21700 yana da ɗan gajeren rayuwa, tsawon lokacin caji tare da ƙarfin iri ɗaya da ƙananan aminci.Don motocin lantarki, aminci koyaushe shine fifiko na farko.Domin gujewa gobara saboda yawan zafin jiki na manyan batura, dole ne a ƙirƙira tsarin sanyaya baturin da kyau.A lokaci guda, yana da matukar muhimmanci a zabi mai dacewa da inganci21700 baturitosheThe21700Matsakaicin baturi na lithium na Ams yana amfani da kayan kashe wuta na V0 kamar PA66, wanda ke da juriya ga girma da ƙarancin zafi.Sassan ƙarfe suna amfani da ƙirar giciye mai zurfi da kyakkyawan aikin watsar da zafi.Shi ne21700 lithium baturimai haɗawa.Mafi kyawun zaɓi.

Can21700maye gurbin18650?

Yin la'akari da ƙa'idodin ƙasa don ƙarfin ƙarfin ƙarfin baturi na lithium, a cikin 2020, ƙarfin ƙarfin ƙarfin batirin baturi zai wuce 300Wh/kg, kuma ƙarfin ƙarfin ƙarfin tsarin baturi zai kai 260Wh/kg.Duk da haka, da18650 baturiba zai iya biyan wannan buƙatun fasaha ba, kuma yawancin batura na gida yana tsakanin 100 ~ 150Wh / kg.

Ƙarƙashin ƙayyadaddun yanayi na ƙayyadaddun lokaci, ingantaccen samfurin samfur yana da sauri fiye da ci gaban kayan aiki, don haka21700 baturi, wanda ke ƙara yawan makamashi ta hanyar ƙara yawan ƙarfinsa, ba makawa zai zama babban abin la'akari ga kamfanoni.Haɗe tare da babban tasirin masana'antu na Tesla, wannan baturi yana yiwuwa ya zama yanayin haɓaka baturi na silinda na gaba.Duk da haka, yana da wuya a tantance ko kamfanonin cikin gida za su tura21700 baturikamar yadda suka yi a baya tare da batura 18650.Da kuma18650 baturiyana da dogon tarihin ci gaba kuma yana da ƙarfin daidaitawa.Baya ga amfani da ita a fannin motocin lantarki, ana kuma iya ganin ta a wasu fagage kamar na'urar kwamfyuta ta rubutu, da dijital na 3C, jirage marasa matuka, da na'urorin wutar lantarki.

Domin21700 lithium baturi, babu wani sarkar masana'antu mai tasiri, wanda babu shakka zai kara yawan farashi kuma ya hana ci gaban ci gaba.Dangane da haka, mafita ta Tesla ita ce fara samar da manyan kayayyaki a masana'antar gigabit, tana riƙe da odar kusan 500,000 Model 3, kuma tare da babban buƙatun Sun City, Tesla ya isa ya narkar da kayan aikin.Amma wannan hanya tana iyakance ga Tesla, wanda ke da wahala ga yawancin sauran masana'antun.

Haka kuma, kasuwar batirin wutar lantarki a cikin gida ta faɗaɗa sannu a hankali a cikin 'yan shekarun nan.Yawancin layin samarwa an saita su don samarwa18650 batura, har ma da karfin samar da wasu kamfanoni a cikin 'yan shekaru masu zuwa za a shirya don18650.Ana iya ganin cewa masana'antar ita ce The18650 baturihar yanzu yana da kyakkyawan fata na dogon lokaci.Kuma a cikin gabatarwa na21700 baturi, manufofin kasar da suka dace kan ka'idojin girman baturi sune mabuɗin don tantance makomar21700 baturi.

Komai komai, sabuwar kasuwar abin hawa makamashi tana ci gaba da sauri, kuma kasuwar masu amfani da ƙarshen tana da buƙatar gaggawar rayuwar batir.Yana ƙayyade cewa masana'antun za su ba da fifiko ga manyan batura masu yawa tare da ingantaccen aiki gabaɗaya, kuma ana daidaita manufofi don canje-canjen kasuwa.

A yau, Tesla ya jagoranci jagorancin shiga21700 baturifagen fama.Wasu masana'antun batir na gida sun zaɓi bi, wasu kuma suna jira.Wannan na iya zama caca ko liyafa.