Ha e le nako ea hore lithuso tsa naha ea heso tsa koloi e ncha ea matla li fokotsehe ka botlalo, LG Chem, Samsung SDI, Panasonic le linatla tse ling tsa matla a kantle ho naha tsa lithium-ion li ntse li bokella matla a tsona ka sekhukhu, li ikemiselitse ho nka monyetla ka monyetla o ka sehloohong oa ho qhekella tse tlang tse sa tlang. mmaraka o thusang.

E ‘ngoe ea melemo ea bona ea mantlha ke lipatlisiso tsa theknoloji ea betri le monyetla oa nts’etsopele o lebisang nts’etsopele ea indasteri ea matla a lefats’e ea lithium-ion betri.

➤LG Chem: Lipatlisiso tsa motheo tsa thepa + matsete a phahameng a tsoelang pele

LG Chem e sebelisana le li-OEM tse koahelang lihlahisoa tse ngata tsa lefats’e tse kang Amerika, Majapane le Korea. E na le melemo e tebileng ea lipatlisiso lefapheng la lisebelisoa tsa mantlha, ‘me ka nako e ts’oanang e nka “Setsi sa ntlafatso ea Battery ea Likoloi” e le mokhatlo o ikemetseng oa karolo ea khoebo ea betri, joalo ka ha ho bonts’itsoe setšoantšong se latelang:

▼ Sebopeho sa Mokhatlo oa Lipatlisiso oa Lik’hemik’hale oa LG

Ka lilemo tse mashome tsa melemo ea ho etsa lipatlisiso tsa thepa, LG Chem e ka hlahisa theknoloji e ikhethang ka thepa e ntle le e mpe, karohano, joalo-joalo, molemong oa sehlahisoa ka lekhetlo la pele, ‘me e bonts’a ka kotloloho theknoloji e ikhethang ts’ebetsong ea lipatlisiso le nts’etsopele ea lisele. E ka fana ka potefolio eohle ea sehlahisoa e amanang le matla a betri ea lithium-ion ho tloha Cell, module, BMS, le nts’etsopele ea Pack ho tšehetso ea tekheniki.

Ho ts’ehetsa lipatlisiso le nts’etsopele ea theknoloji ea LG Chem ke matsete a phahameng a tsitsitseng. Ho latela lintlha tsa phuputso, chelete e akaretsang ea R&D ea LG Chem le matsete a basebetsi a tsoetse pele ho phahama ho tloha ka 2013. Ka 2017, matsete a R&D a fihletse li-yuan tse libilione tse 3.5 (RMB), e behiloe pele har’a lik’hamphani tsa libeteri tsa lefats’e ka matsete a R&D selemong seo.

Melemo ea lisebelisoa tsa lihlahisoa tse tala le bokhoni bo ikemetseng ba lihokelo tsa tlhahiso li fana ka tiisetso e matla bakeng sa tsela ea sephutheloana e bonolo ea LG Chem e nang le litšenyehelo tse phahameng tse felletseng le menyako e phahameng ea tekheniki.

Mabapi le ntlafatso ea litsela tsa tekheniki, LG Chem hajoale e sebetsa ka thata ho tloha sephutheloana se bonolo sa NCM622 ho ea ho NCM712 kapa NCMA712.

Puisanong le boralitaba, CFO ea LG Chemical e boletse hore tsela e ntle ea ntlafatso ea lisebelisoa tsa elektrode ho tloha ho 622 ho isa ho 712 kapa esita le 811, LG e na le merero e arohaneng ea ho kopanya mokhoa o bonolo oa sephutheloana le mokhoa oa cylindrical le ts’ebeliso ea metsi a tlase. mehlala (sephutheloana se bonolo se ke ke sa ntlafatsoa ka nako eo 811 , ‘Me NCM811 ea cylindrical e sebetsa feela libese tsa motlakase).

Leha ho le joalo, ebang ke NCMA positive electrode kapa NCM712 positive electrode, LG Chem’s mass production plan e reriloe bonyane lilemo tse peli, e leng ntho e tsitsitseng haholo ho feta leano la Panasonic le phahameng la nickel.

➤Samsung SDI: Tšebelisano le litsi tsa lipatlisiso + matsete a tsoelang pele a matla a holimo

Samsung SDI e amohela mohlala oa kopanelo o ts’oanang le oa CATL lefapheng la lipatlisiso le nts’etsopele: e sebelisana le litsi tsa lipatlisiso tsa lehae le tsa kantle ho naha ho theha litaba tsa bohlokoa tsa botekgeniki, ho rarolla nts’etsopele ea khoebo hammoho, le ho khothaletsa merero ea lipatlisiso ka kopanelo ho theha likamano.

▼Chate ea Mokhatlo oa Samsung SDI

Samsung SDI le LG Chem li na le litsela tse fapaneng tsa tekheniki. Haholo-holo li na le sebōpeho sa lisekoere. Ka nako e ts’oanang, ba latela ka mafolofolo tlhahiso ea libeteri tse 21700. Lisebelisoa tsa cathode haholo-holo li sebelisa lisebelisoa tsa ternary NCM le NCA. Leha ho le joalo, letsete la eona ho lipatlisiso le nts’etsopele le lona le matla haholo.

Ho latela lintlha tsa lipatlisiso, matsete a R&D a Samsung SDI ka 2014 a fihletse limilione tse 620,517 tse hapiloeng, tse etsang 7.39% ea thekiso; Matsete a R&D ka 2017 e ne e le 2.8 bilione (RMB). Mabapi le lintlha tsa bohlokoa lefapheng la libeteri le lisebelisoa tsa moloko o latelang, ka ho tšehetsa nts’etsopele ea litokelo tsa molao tse amanang haufi-ufi le litaba, re tla hlahloba litokelo tsa tlhōlisano le ho bula libaka tse ncha tsa khoebo.

Samsung SDI prismatic battery e fihlile boemong ba 210-230wh/kg ea matla a matla.

Ho latela Wei Wei, motlatsi oa mopresidente oa Samsung SDI naheng ea heso Sebokeng sa Likoloi tsa Motlakase selemong sena, Samsung e tla nts’etsapele ka matla moloko oa bone oa lihlahisoa ho tsoa ho cathode material (NCA route), electrolyte le anode technology nakong e tlang. Ka mor’a ho qala betri ea moloko oa bone ka matla a matla a 270-280wh / kg, e rera ho tsoela pele ho hlahisa sehlahisoa sa moloko oa bohlano ka matla a matla a reriloeng a 300wh / kg ho ea tseleng e phahameng ea nickel.

Tataiso ea nts’etsopele ea lisekoere ea k’hamphani e boetse e kenyelletsa “libetri tsa bophahamo bo tlase” tse nang le boholo bo ntlafalitsoeng ba mohlala, kenyelletso ea lisebelisoa tsa ho tjhaja ka potlako, le lipakete tse bobebe ka kakaretso. Ntle le libeteri tsa prismatic, Samsung SDI e boetse e na le sebopeho tšimong ea libeteri tsa boemo bo tiileng le libeteri tsa cylindrical. Ka 2017, Samsung SDI e ile ea bonts’a libeteri tsa boemo bo tiileng le li-module tsa betri tse thehiloeng ho lisele tsa cylindrical tse 21700 ho North American Auto Show, tse bontšang bokhoni ba ho ntlafatsa litseleng tse ngata.

Ho bohlokoa ho bolela hore Samsung SDI e tšehelitsoe ke R&D e matla ea Samsung Group le matla a lisebelisoa, hape e na le bokhoni ba ho fana ka tharollo ea betri ea lithium-ion bakeng sa ketane eohle ea indasteri.

➤Panasonic: Melemo ea tlhaho ea cylinder + e tšehetsang Tesla

Ka 1998, Panasonic e ile ea qala tlhahiso e boima ea libeteri tsa cylindrical lithium-ion bakeng sa lik’homphieutha tsa li-notebook ‘me ea haha ​​​​mohala oa tlhahiso ea indasteri bakeng sa libeteri tsa lithium-ion. Ka November 2008, Panasonic e phatlalalitse ho kopana le Sanyo Electric ‘me ea e-ba mofani e moholo ka ho fetisisa oa lefats’e oa libeteri tsa lithium-ion.

Sebopeho sa R&D sa Panasonic lebaleng la libeteri tsa lithium-ion tsa matla se ipapisitse le tšebelisano ea eona ea nako e telele le lihlahisoa tse kang Tesla le Toyota, tse shebaneng le mebaraka ea Japane le Amerika. Motheo o tiileng oo o o bokeletseng khoebong ea bareki ba lithium betri o ekelitse melemo ea tlhaho ea mokhoa oa cylindrical oa theknoloji e hōlileng tsebong le ho tsitsisa ho phahameng, ‘me o fihletse mochine o matla oa matla le o tsitsitseng oa betri o loketseng mehlala ea Tesla.

Ha re hetla morao melokong e fetileng ea libeteri tsa Panasonic tse hlomelitsoeng ho tloha Roadster ho ea ho Model 3 kajeno, ntlafatso ea boemo ba mokhoa oa tekheniki e tsepamisitsoe ntlafatsong ea thepa ea cathode le boholo ba silindara.

Mabapi le lisebelisoa tsa cathode, Tesla o ile a sebelisa lithium cobalt oxide cathodes matsatsing a pele, ModelS e ile ea qala ho fetohela ho NCA, ‘me hona joale tšebeliso ea NCA e phahameng ea nickel ka Model 3, Panasonic e bile moetapele oa indasteri ho ntlafatsa lisebelisoa tsa cathode ho phehella. ya matla a mangata a matla.

Ntle le lisebelisoa tse ntle tsa elektrode, mokhoa oa cylindrical o fetohile ho tloha mofuteng oa 18650 ho ea ho mofuta oa 21700, ‘me mokhoa oa ho batla matla a maholo a motlakase oa sele e le’ ngoe o boetse o etelletsoe pele ke Panasonic. Ha e ntse e khothalletsa ntlafatso ea ts’ebetso ea betri, libeteri tse kholo li fokotsa bothata ba tsamaiso ea tsamaiso ea pakete le ho fokotsa litšenyehelo tsa likarolo tsa tšepe le likhokahano tsa conductive tsa lipakete tsa betri, kahoo li fokotsa litšenyehelo le ho eketsa matla a matla.