Na libeteri tsa lithium li hloka tsamaiso ea tsamaiso (BMS)?

Libetri tse 'maloa tsa lithium li ka hokeloa ka letoto ho etsa betri pakete, e ka fanang ka matla mejarong e fapaneng hape e ka lefisoa ka tloaelo ka tjhaja e ts'oanang. Libetri tsa lithium ha li hloke sistimi ea taolo ea betri (BMS) ho lefisa le ho ntsha. Joale ke hobane'ng ha libeteri tsohle tsa lithium 'marakeng li eketsa BMS? Karabo ke tšireletseho le bophelo bo bolelele.

Sistimi ea taolo ea betri BMS (Sistimi ea Taolo ea Battery) e sebelisoa ho beha leihlo le ho laola ho tjhaja le ho tjhajoa ha dibetri tse ka tjhajwang hape. Mosebetsi oa bohlokoa ka ho fetisisa oa lithium battery management system (BMS) ke ho etsa bonnete ba hore libeteri li lula li le ka har'a meeli e sireletsehileng ea ho sebetsa le ho nka khato hang-hang haeba betri leha e le efe e qala ho feta meeli. Haeba BMS e hlokomela hore motlakase o tlase haholo, e tla hakolla mojaro, 'me haeba motlakase o le holimo haholo, e tla hakolla tjhaja. E tla boela e hlahlobe hore sele e 'ngoe le e 'ngoe ka har'a pakete e maemong a tšoanang le ho fokotsa voltage leha e le efe e phahameng ho feta lisele tse ling. Sena se etsa bonnete ba hore betri ha e fihle maemong a phahameng kapa a tlase ka kotsi-eo hangata e leng sesosa sa mollo oa betri ea lithium eo re e bonang litabeng. E khona le ho hlokomela mocheso oa betri le ho hakolla pakete ea betri pele e chesa haholo hore e ka tšoara mollo. Ka hona, sistimi ea taolo ea betri ea BMS e lumella betri ho sireletsoa ho fapana le ho itšetleha feela ka tjhaja e ntle kapa ts'ebetso e nepahetseng ea mosebelisi.

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Hobaneng u sa't li-betri tsa lead-acid li hloka sistimi ea taolo ea betri? Motsoako oa libeteri tsa asiti ea loto ha li chese hakaalo, e leng ho etsang hore li se ke tsa tšoara mollo haeba ho e-na le bothata ba ho tjhaja kapa ho ntša mollo. Empa lebaka le ka sehloohong le amana le tsela eo betri e itšoarang ka eona ha e tjhaetsoe ka botlalo. Libetri tsa asiti ea loto le tsona li entsoe ka lisele tse hokahantsoeng ka letoto; haeba sele e le 'ngoe e na le tefiso e nyenyane ho feta lisele tse ling, e tla lumella hore hona joale ho fete ho fihlela lisele tse ling li qosoa ka ho feletseng, ha li ntse li boloka matla a lekaneng, joalo-joalo Lisele li tšoara. Ka tsela ena, libeteri tsa lead-acid li "itekanya" ha li ntse li tjhaja.

Libetri tsa lithium li fapane. Electrode e ntle ea libeteri tsa lithium tse nchafalitsoeng hangata ke lisebelisoa tsa lithium ion. Molao-motheo oa eona oa ts'ebetso o etsa qeto ea hore nakong ea ts'ebetso ea ho tjhaja le ho ntša, li-electrone tsa lithium li tla mathela mahlakoreng ka bobeli a li-electrode tse ntle le tse mpe khafetsa. Haeba motlakase oa sele e le 'ngoe o lumelloa ho ba o phahameng ho feta 4.25v (ntle le libeteri tsa lithium tse phahameng-voltage), mohaho oa anode microporous o ka oa, thepa ea kristale e thata e ka hōla' me ea baka potoloho e khutšoanyane, ebe mocheso o tla phahama. ka potlako, qetellong ho lebisa mollong. Ha betri ea lithium e qosoa ka botlalo, motlakase o phahama ka tšohanyetso mme o ka fihla maemong a kotsi kapele. Haeba motlakase oa sele e itseng ka har'a betri pakete o phahame ho feta oa lisele tse ling, sele ena e tla fihla matla a kotsi pele nakong ea ho tjhaja. Ka nako ena, motlakase o akaretsang oa betri pakete ha o so fihle boleng bo felletseng, mme tjhaja e ke ke ea emisa ho tjhaja. . Ka hona, lisele tse fihlang li-voltages tse kotsi pele li tla baka likotsi tsa polokeho. Ka hona, ho laola le ho beha leihlo matla a kakaretso ea betri pakete ha ea lekana bakeng sa lik'hemik'hale tse thehiloeng ho lithium. BMS e tlameha ho hlahloba motlakase oa sele e 'ngoe le e 'ngoe e etsang pakete ea betri.

Ka hona, ho netefatsa polokeho le bophelo bo bolelele ba ts'ebeletso ea lithium battery packs, boleng le ts'epahalo ea tsamaiso ea betri BMS e hlile ea hlokahala.


Nako ea poso: Oct-25-2023

TS'ELISO DALY

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Romela Imeile