Akwai manyan iri ukubaturi lithium-ion(li-ion): Kwayoyin Silindrical, Kwayoyin prismatic, da Kwayoyin jaka.A cikin masana'antar EV, mafi kyawun abubuwan haɓakawa sun ta'allaka ne akan ƙwayoyin cylindrical da prismatic.Yayin da tsarin baturi na silinda ya kasance mafi shahara a cikin 'yan shekarun nan, abubuwa da yawa suna nuna cewa ƙwayoyin prismatic na iya ɗauka.

MeneneKwayoyin Prismatic

Aprismatic celltantanin halitta ne wanda ke tattare da sinadarai a cikin rumbun katako.Siffar ta rectangular tana ba da damar tara raka'a da yawa yadda yakamata a cikin tsarin baturi.Akwai nau'ikan ƙwayoyin prismatic iri biyu: zanen wutan lantarki a cikin casing (anode, SEPARATOR, cathode) ko dai an toshe su ko kuma birgima kuma an daidaita su.

Don ƙarar guda ɗaya, ƙwayoyin prismatic da aka tattara suna iya sakin ƙarin kuzari a lokaci ɗaya, suna ba da kyakkyawan aiki, yayin da ƙwanƙwasa ƙwanƙwasa ƙwanƙwasa sun ƙunshi ƙarin kuzari, suna ba da ƙarin ƙarfi.

An fi amfani da ƙwayoyin prismatic a tsarin ajiyar makamashi da motocin lantarki.Girman girmansu yana sa su munanan yan takara don ƙananan na'urori kamar e-kekuna da wayoyin hannu.Sabili da haka, sun fi dacewa da aikace-aikacen makamashi mai ƙarfi.

Menene Kwayoyin Silindrical

Acylindrical celltantanin halitta ne da ke kewaye a cikin gwangwani mai tsauri.Kwayoyin Silindrical ƙanana ne da zagaye, yana sa ya yiwu a tara su cikin na'urori masu girma dabam.Ba kamar sauran nau'ikan batir ba, siffarsu tana hana kumburi, al'amarin da ba a so a cikin batura inda iskar gas ke taruwa a cikin akwati.

An fara amfani da ƙwayoyin cylindrical a cikin kwamfutar tafi-da-gidanka, waɗanda ke ƙunshe tsakanin sel uku zuwa tara.Daga nan sun samu karbuwa a lokacin da Tesla ya yi amfani da su a cikin motocinsa na farko masu amfani da wutar lantarki (Roadster da Model S), wanda ke dauke da kwayoyin halitta tsakanin 6,000 zuwa 9,000.

Hakanan ana amfani da ƙwayoyin cylindrical a cikin kekunan e-kekuna, na'urorin likitanci, da tauraron dan adam.Hakanan suna da mahimmanci a cikin binciken sararin samaniya saboda siffar su;sauran nau'ikan tantanin halitta za su zama naƙasu ta yanayin yanayi.Rover na ƙarshe da aka aika akan Mars, alal misali, yana aiki ta amfani da sel silinda.Motocin tseren lantarki na Formula E suna amfani da sel iri ɗaya daidai da rover a cikin baturin su.

Babban Bambanci Tsakanin Kwayoyin Prismatic da Silindrical

Siffa ba shine kawai abin da ke bambanta sel na prismatic da cylindrical ba.Wasu bambance-bambance masu mahimmanci sun haɗa da girman su, adadin haɗin wutar lantarki, da ƙarfin wutar lantarki.

Girman

Kwayoyin prismatic sun fi sel cylindrical girma don haka sun ƙunshi ƙarin kuzari akan kowane tantanin halitta.Don ba da cikakken ra'ayi na bambancin, tantanin halitta prismatic guda ɗaya zai iya ƙunsar adadin kuzari iri ɗaya kamar sel cylindrical 20 zuwa 100.Karamin girman sel cylindrical yana nufin ana iya amfani da su don aikace-aikacen da ke buƙatar ƙarancin ƙarfi.A sakamakon haka, ana amfani da su don aikace-aikace masu yawa.

Haɗin kai

Saboda ƙwayoyin prismatic sun fi girma fiye da sel cylindrical, ana buƙatar ƙananan sel don cimma adadin kuzari iri ɗaya.Wannan yana nufin cewa ga girma iri ɗaya, batura masu amfani da ƙwayoyin prismatic suna da ƙarancin haɗin lantarki waɗanda ke buƙatar waldawa.Wannan babbar fa'ida ce ga ƙwayoyin prismatic saboda akwai ƙarancin dama don ƙera lahani.

Ƙarfi

Kwayoyin Silindrical na iya adana ƙarancin kuzari fiye da ƙwayoyin prismatic, amma suna da ƙarin ƙarfi.Wannan yana nufin cewa ƙwayoyin cylindrical na iya fitar da kuzarin su da sauri fiye da sel na prismatic.Dalili kuwa shine suna da ƙarin haɗin gwiwa a kowace amp-hour (Ah).Sakamakon haka, ƙwayoyin cylindrical sun dace don aikace-aikacen ayyuka masu girma yayin da ƙwayoyin prismatic suna da kyau don haɓaka ƙarfin kuzari.

Misalin aikace-aikacen baturi mai girma sun haɗa da motocin tseren Formula E da helikwafta mai hikima akan Mars.Dukansu suna buƙatar matsananciyar wasan kwaikwayo a cikin matsanancin yanayi.

Me yasa Kwayoyin Prismatic na iya ɗauka

Masana'antar EV tana haɓaka da sauri, kuma ba ta da tabbas ko ƙwayoyin prismatic ko sel silindrical za su yi nasara.A halin yanzu, ƙwayoyin cylindrical sun fi yadu a cikin masana'antar EV, amma akwai dalilai don tunanin ƙwayoyin prismatic zasu sami shahara.

Na farko, ƙwayoyin prismatic suna ba da dama don fitar da farashi ta hanyar rage yawan matakan masana'anta.Tsarin su yana ba da damar kera manyan sel, wanda ke rage adadin haɗin wutar lantarki da ke buƙatar tsaftacewa da waldawa.

Batura masu mahimmanci kuma sune tsarin da ya dace don sinadarai na lithium-iron phosphate (LFP), cakuda kayan da ke da rahusa kuma mafi dacewa.Ba kamar sauran sunadarai ba, batir LFP suna amfani da albarkatun da ke ko'ina a duniya.Ba sa buƙatar kayan da ba kasafai ba masu tsada kamar nickel da cobalt waɗanda ke fitar da farashin sauran nau'ikan tantanin halitta zuwa sama.

Akwai sigina masu ƙarfi cewa ƙwayoyin prismatic LFP suna fitowa.A Asiya, masana'antun EV sun riga sun yi amfani da batura LiFePO4, nau'in baturi na LFP a cikin sigar prismatic.Tesla ya kuma bayyana cewa, ya fara amfani da batura masu prismatic da aka kera a kasar Sin don daidaitattun nau'ikan motocinsa.

Ƙididdiga na LFP yana da mahimmancin ƙasa, duk da haka.Na ɗaya, yana ƙunshe da ƙarancin kuzari fiye da sauran sinadarai da ake amfani da su a halin yanzu kuma, don haka, ba za a iya amfani da su don manyan abubuwan hawa kamar motocin lantarki na Formula 1 ba.Bugu da kari, tsarin sarrafa baturi (BMS) yana da wahala wajen hasashen matakin cajin baturin.

Kuna iya kallon wannan bidiyon don ƙarin koyo game daLFPilmin sunadarai da dalilin da ya sa yake samun karbuwa.