Mefuta ea ho paka ea betri ea lithium e na le maoto a mararo, ke hore, li-cylinders tse tharo tse sebelisoang haholo, lipakete tse bonolo le lisekoere. Liforomo tse tharo tsa ho paka li na le melemo le mathata a tsona, ‘me li ka khethoa ho latela tšebeliso ea tsona.

1. Cylindrical

Cylindrical lithium battery e qalile ho qaptjoa ke k’hamphani ea SONY Japane ka 1992. Hobane 18650 cylindrical lithium battery e na le histori e telele, tekanyo ea ho kenella ‘marakeng e phahame. Cylindrical lithium battery e nka mokhoa o tsoileng matsoho o tsoileng matsoho, tekanyo e phahameng ea boiketsetso, le boleng ba sehlahisoa E tsitsitseng le litšenyehelo tse tlaase. Ho na le mefuta e mengata ea libeteri tsa cylindrical lithium, tse kang 17490, 14650, 18650, 26650,

21700 joalo-joalo Libetri tsa cylindrical lithium li tumme har’a lik’hamphani tsa betri tsa lithium Japane le Korea Boroa.

Melemo ea mofuta oa cylindrical winding e kenyelletsa ts’ebetso e butsoitseng e butsoitseng, tekanyo e phahameng ea boits’oaro, ts’ebetso e phahameng ea tlhahiso, ts’ebetso e ntle, le litšenyehelo tse tlase. Mefokolo e kenyelletsa tšebeliso ea sebaka se tlase se bakoang ke sebopeho sa cylindrical le kabo ea mocheso e bakoang ke ho se sebetse hantle ha mocheso oa radial. Ema. Ka lebaka la mocheso o fokolang oa mocheso oa betri ea cylindrical, palo ea ho phethoha ha betri ha ea lokela ho ba ngata haholo (palo ea ho phethoha ha betri ea 18650 hangata e ka ba makhetlo a 20), kahoo matla a monomer a fokola, ‘me palo e kholo ea betri e hlokahalang bakeng sa ts’ebeliso ea likoloi tsa motlakase. Li-monomers li theha li-module tsa betri le lipakete tsa betri, tse eketsang haholo tahlehelo ea khokahano le ho rarahana ha taolo.

Setšoantšo sa 1. 18650 betri ea cylindrical

K’hamphani e tloaelehileng ea ho paka ka cylindrical ke Panasonic ea Japane. Ka 2008, Panasonic le Tesla ba ile ba sebelisana ka lekhetlo la pele, ‘me betri ea lithium cobalt oxide ea 18650 e ile ea amoheloa ke Roadster ea pele ea Tesla. Ka 2014, Panasonic e phatlalalitse khoebo e kopanetsoeng le Tesla ho haha ​​​​Gigafactory, fektheri e kholo ea betri, ‘me kamano pakeng tsa bobeli e ile ea fetela pele. Panasonic e lumela hore likoloi tsa motlakase li lokela ho sebelisa libeteri tsa 18650, e le hore le haeba betri e le ‘ngoe e hlōleha, e ke ke ea ama ts’ebetso ea tsamaiso eohle, joalokaha ho bontšitsoe setšoantšong sa 2.

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Setšoantšo sa 2. Ke hobane’ng ha u khetha 18650 betri ea cylindrical

Ho boetse ho na le likhoebo tse kholo tse hlahisang libeteri tsa cylindrical lithium naheng ea China. Mohlala, Battery ea BAK, Jiangsu Zhihang, Tianjin Lishen, Shanghai Delangeng le likhoebo tse ling li maemong a etelletseng pele a libeteri tsa cylindrical lithium naheng ea China. Libetri tsa tšepe-lithium le libese tsa Yinlong tse tjhajang ka potlako li sebelisa libeteri tsa lithium titanate, ka bobeli ka mokhoa oa ho paka ka cylindrical.

Letlapa la 1: Lipalopalo tsa bokhoni bo kentsoeng ba lik’hamphani tse phahameng tsa 10 tsa li-cylindrical le mefuta ea tsona e tsamaisanang le matla a le mong ka 2017.

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2. Mokotla o bonolo

Lisebelisoa tsa bohlokoa tse sebelisoang ho li-battery tsa lithium tse bonolo-lisebelisoa tse ntle tsa electrode, lisebelisoa tse mpe tsa electrode le li-separators-ha li fapane haholo le li-betri tsa lithium tse tloaelehileng tsa tšepe-shell le aluminium-shell. Phapang e kholo ka ho fetisisa ke thepa ea ho paka e feto-fetohang (filimi e kopantsoeng ea aluminium-plastiki). Ke thepa ea bohlokoa ka ho fetesisa le e thata ka ho fetesisa ea tekheniki ea libeteri tsa lithium tse bonolo. Lisebelisoa tsa ho paka tse feto-fetohang hangata li arotsoe ka likarolo tse tharo, e leng, lera le ka ntle la mokoallo (ka kakaretso ke lera le sireletsang le ka ntle le entsoeng ka nylon BOPA kapa PET), lera la mokoallo (foil ea aluminium ka har’a lera e bohareng) le lera le ka hare (lera le ka hare le nang le li-multifunctional high barrier layer). ).

Setšoantšo sa 3. Sebopeho sa filimi ea polasetiki ea Aluminium

Thepa ea ho paka le sebopeho sa lisele tsa mokotla li li fa mefuta e mengata ea melemo. 1) Ts’ebetso ea polokeho e ntle. Betri ea soft-pack e kenngoa ka filimi ea aluminium-plastic ka sebopeho. Ha bothata ba polokeho bo etsahala, betri ea softpack hangata e tla phatloha ebe e peperana, ‘me e ke ke ea phatloha. 2) Boima bo bobebe, boima ba betri ea pakete e bonolo ke 40% e bobebe ho feta ea khetla ea tšepe ea lithium betri e nang le matla a tšoanang, le 20% e bobebe ho feta ea aluminium shell lithium battery. 3) Khanyetso e nyane ea ka hare, khanyetso ea kahare ea betere e bonolo e nyane ho feta ea betri ea lithium, e ka fokotsang haholo tšebeliso ea betri. 4) Ts’ebetso ea potoloho e ntle, bophelo ba potoloho ea betri ea pakete e bonolo e telele, ‘me ho bola ka mor’a li-cycle tsa 100 ke 4% ho 7% ka tlase ho ea nyeoe ea aluminium. 5) Moqapi o fetoha le maemo, sebopeho se ka fetoloa ho sebopeho leha e le sefe, se ka ba mosesaane, ‘me mefuta e mecha ea lisele e ka ntlafatsoa ho latela litlhoko tsa bareki. Mefokolo ea libeteri tsa li-soft pack ke ho se feto-fetohe hantle, theko e phahameng, ho lutla ha bonolo, le moeli o phahameng oa tekheniki.

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Setšoantšo sa 4. Sebopeho sa betri ea pakete e bonolo

Bahlahisi ba li-betri tsa maemo a lefats’e joalo ka LG ea Korea Boroa le ASEC ea Japane ba na le libeteri tse matla tse hlahisoang ka bongata, tse sebelisoang mefuteng ea motlakase le li-plug-in hybrid tsa lik’hamphani tse kholo tsa likoloi tse joalo ka Nissan, Chevrolet le Ford, ho kenyeletsoa le mefuta e meraro e meholo ka ho fetisisa lefatšeng ea tlhahiso le thekiso. Lekhasi le Volt. Setsi sa libeteri sa naha ea heso sa Wanxiang le ba fihlang morao nakong ea Funeng Technology, Yiwei Lithium Energy, Polyfluoride, le Gateway Power le bona ba se ba qalile tlhahiso e ngata ea libeteri tsa pakete e bonolo ho fepela lik’hamphani tse kholo tsa likoloi tse kang BAIC le SAIC.

3. Betri e sekwere

Ho tsebahala ha libeteri tsa lisekoere ho holimo haholo Chaena. Ka lebaka la ho phahama ha libeteri tsa motlakase lilemong tsa morao tjena, khohlano lipakeng tsa lebelo la likoloi le matla a betri e ntse e eketseha. Baetsi ba betri ea matla a lapeng hangata ba sebelisa libeteri tsa aluminium-shell square tse nang le matla a phahameng a betri. , Hobane sebopeho sa betri ea lisekoere se batla se le bonolo, ho fapana le betere ea cylindrical, e sebelisang matla a phahameng a tšepe e sa hloekang e le khetla le lisebelisoa tse nang le li-valve tse sireletsang bopaki ba ho phatloha, lisebelisoa tsa kakaretso li boima bo bobebe ‘me li batla li le matla haholo. Nyeoe ea lisekoere ea betri e entsoe haholo ka motsoako oa aluminium, tšepe e sa hloekang le lisebelisoa tse ling, ‘me ts’ebeliso ea ka hare ea matsoelintsoeke kapa ts’ebetso ea lamination, ts’ireletso ea betri e ntle ho feta ea aluminium-plastiki betri ea filimi (ke hore, betere e bonolo) ‘me polokeho ea betri e batla e le cylindrical. Libetri tsa mofuta le tsona li ntlafalitsoe haholo.

Setšoantšo sa 5. Sebopeho sa sele se sekwere

Leha ho le joalo, kaha betri ea lithium ea square e ka etsoa ho latela boholo ba sehlahisoa, ho na le mehlala e likete ‘marakeng,’ me hobane ho na le mehlala e mengata haholo, ho thata ho kopanya mokhoa ona. Ha ho na bothata ba ho sebelisa libeteri tsa lisekoere lihlahisoa tse tloaelehileng tsa elektronike, empa bakeng sa lihlahisoa tsa lisebelisoa tsa indasteri tse hlokang letoto le le leng le le leng, ho molemo ho sebelisa libeteri tsa cylindrical lithium tse tloaelehileng, e le hore ts’ebetso ea tlhahiso e tiisetsoe, ‘me ho be bonolo ho fumana tse ling. nakong e tlang. Betri.

Likhamphani tsa malapeng le tsa kantle ho naha tse sebelisang lisekoere e le mokhoa oa ho paka haholo-holo li kenyelletsa Samsung SDI (foromo ea ho paka e boholo ba lisekoere, ‘me lisebelisoa tse ntle tsa elektrode li sebelisa lisebelisoa tsa ternary NCM le NCA. E latela ka mafolofolo tlhahiso ea libeteri tse 21700), BYD (matla). libeteri ke likhetla tsa aluminium tse lisekoere), thepa ea cathode haholo-holo ke lithium iron phosphate, hape e ntse e etsa lipatlisiso le nts’etsopele le polokelo ea tekheniki ea libeteri tsa ternary), CATL (lihlahisoa haholo-holo ke li-battery tsa aluminium tse lisekoere, ‘me thepa ea cathode e kenyelletsa Lithium iron phosphate le ternary Lithium iron phosphate technical route (haholo-holo ka mokhoa oa ho paka lisekoere, ‘me thepa e ntle ea eleketrode e kenyelletsa Lithium iron phosphate le lisebelisoa tsa ternary), TianjinLishen, joalo-joalo.

Ka kakaretso, mefuta e meraro ea liphutheloana tsa li-cylindrical, square and soft packs li na le melemo le melemo ea tsona, ‘me betri e’ ngoe le e ‘ngoe e na le tšimo ea eona e ka sehloohong. Mokhoa o motle ka ho fetisisa oa ho paka o ka khethoa ho ea ka litšobotsi tsa lisebelisoa tsa betri, masimo a kopo ea sehlahisoa, litšobotsi tsa sehlahisoa, joalo-joalo ho kopantsoe le litšobotsi tsa foromo ea ho paka. Leha ho le joalo, mofuta o mong le o mong oa sephutheloana oa betri o na le mathata a ona a theknoloji. Moralo o motle oa betri o kenyelletsa mathata a rarahaneng mafapheng a mangata a kang electrochemistry, mocheso, motlakase le mechanics, e leng se fanang ka litlhoko tse phahameng bakeng sa baqapi ba betri. Batho ba betri ea lithium ba ntse ba hloka ho tsoela pele ka boiteko!