Ana iya samar da fakitin baturi ta hanyar haɗa batura lithium da yawa a jere, waɗanda ba wai kawai ke iya ba da wuta ga kaya iri-iri ba, har ma ana iya yin caja ta al'ada tare da caja mai dacewa.Batirin lithium baya buƙatar kowane tsarin sarrafa baturi (BMS) don caji da fitarwa.Don haka me yasa duk batirin lithium a kasuwa aka kara da BMS?Amsar ita ce aminci da tsawon rai.
Ana amfani da tsarin sarrafa baturi BMS (Tsarin Gudanar da Baturi) don saka idanu da sarrafa caji da cajin batura masu caji.Muhimmin aikin tsarin sarrafa batirin lithium BMS shine tabbatar da cewa baturin ya kasance cikin amintaccen kewayon aiki da kuma ɗaukar matakin gaggawa idan kowane baturi ɗaya ya fara wuce iyaka.Idan BMS ya gano cewa ƙarfin lantarki ya yi ƙasa sosai, zai cire haɗin lodin, kuma idan ƙarfin lantarki ya yi yawa, cire haɗin cajar.Hakanan za ta bincika cewa kowane tantanin halitta a cikin fakitin yana da irin ƙarfin lantarki kuma ya sauke duk wanda ya fi sauran sel.Wannan yana tabbatar da cewa baturin baya kaiwa ga haɗari mai girma ko ƙananan ƙarfin lantarki - wanda galibi shine sanadin gobarar baturin lithium da muke gani a cikin labarai.Yana iya ma saka idanu zafin baturin kuma ya cire haɗin baturin kafin ya yi zafi sosai kuma ya kama wuta.Don haka, tsarin sarrafa baturi BMS shine kiyaye baturi maimakon dogaro kawai akan ingantaccen caja ko aikin mai amfani daidai.
Me yasa batirin gubar-acid (AGM, batir gel, zurfin zagayowar, da sauransu) basa buƙatar tsarin sarrafa baturi?Abubuwan da ke cikin batirin gubar-acid ba su da ƙarfi kuma ba su da yuwuwar kama wuta idan an sami matsala wajen caji ko fitarwa.Amma babban dalilin yana da alaƙa da halayen lokacin da baturi ya cika.Hakanan ana yin batirin gubar-acid daga sel da aka haɗa a jere;idan aka yi cajin ɗayan tantanin halitta kaɗan fiye da sauran sel, zai ba da damar halin yanzu ya wuce har sai sauran sel sun cika, yayin da yake riƙe da madaidaicin ƙarfin lantarki da kansa, da dai sauransu. Batura suna kamawa.Ta wannan hanyar, baturin gubar-acid “yana daidaita kansa” yayin da yake caji.
Batura lithium sun bambanta.Ingantacciyar wutar lantarki na baturin lithium mai caji galibi abu ne na lithium ion.Ka'idar aiki ta ƙayyade cewa yayin aiwatar da caji da aiwatar da caji, na'urorin lantarki na lithium za su yi gudu zuwa ɓangarorin biyu na ingantattun na'urori masu kyau da mara kyau akai-akai.Idan ƙarfin lantarki na tantanin halitta ɗaya an yarda ya zama mafi girma fiye da 4.25v (sai dai manyan baturan lithium masu ƙarfin lantarki), tsarin microporous na anode na iya rushewa, abu mai wuyar crystalline zai iya girma kuma ya haifar da gajeren kewaye, sa'an nan kuma zafin jiki zai tashi da sauri. , wanda a karshe zai kai ga gobara.Lokacin da tantanin halitta lithium ya cika, ƙarfin lantarki yana tashi ba zato ba tsammani kuma zai iya kai ga matakan haɗari da sauri.Idan wutar lantarkin tantanin halitta a cikin baturi ya fi sauran sel, wannan tantanin halitta zai fara kaiwa ga ƙarfin lantarki mai haɗari yayin aikin caji, kuma gabaɗayan wutar lantarki na baturin bai kai cikakken ƙimar ba a wannan lokacin, caja zai fara. kar a daina caji .Don haka, tantanin halitta na farko don isa ga ƙarfin lantarki mai haɗari yana haifar da haɗarin aminci.Don haka, sarrafawa da saka idanu gabaɗayan irin ƙarfin lantarki na fakitin baturi bai wadatar da sinadarai na tushen lithium ba, ƙarfin lantarki na kowane tantanin halitta wanda ya ƙunshi fakitin baturi dole ne BMS ya duba.
A cikin kunkuntar ma'ana, ana amfani da tsarin sarrafa baturi BMS don kare manyan fakitin baturi.Abin da ake amfani da shi na yau da kullun shine batirin wutar lantarki na ƙarfe phosphate na lithium, waɗanda ke da ayyuka na kariya kamar su wuce gona da iri, yawan zubar da ruwa, wuce gona da iri, gajeriyar kewayawa, da ma'aunin tantanin halitta.Ana buƙatar tashoshin sadarwa, shigarwar bayanai da zaɓuɓɓukan fitarwa da sauran ayyukan nuni.Misali, hanyar sadarwar ƙwararriyar BMS ta Xinya ta keɓancewa kamar haka.
A cikin ma'ana mai faɗi, Hukumar Kula da Kariya (PCB), wani lokaci ana kiranta PCM (Module Kariya), tsarin sarrafa baturi ne mai sauƙi BMS.Yawanci ana amfani dashi don ƙananan fakitin baturi.Yawanci ana amfani da shi don batir na dijital, kamar batirin wayar hannu, baturan kyamara, batir GPS, batir ɗin dumama tufafi, da sauransu. Yawancin lokaci, ana amfani da shi don fakitin baturi 3.7V ko 7.4V, kuma yana da ayyuka na asali guda huɗu na ƙarin caji. wuce gona da iri, wuce gona da iri, da gajeriyar kewayawa.Wasu batura na iya buƙatar PTC da NTC.
Don haka, don tabbatar da aminci da tsawon rayuwar fakitin batirin lithium, ana buƙatar tsarin sarrafa baturi tare da ingantaccen inganci da gaske.
Lokacin aikawa: Maris-31-2022