Ke hobane’ng ha Tesla a tsitlallela ho sebelisa cobalt lithium?

Betri ea Tesla ke e ‘ngoe ea likarolo tsa mantlha tsa likoloi tsa motlakase. E ne e songoa le ho nyefoloa matsatsing a pele. Esita le ka mor’a hore likarolo tse phatlohang li rekisoe, litsebi tse ngata tsa indasteri li ile tsa e bitsa theknoloji ea betri ea khale ka lipakane tse sa hlakang. Sena ke hobane Tesla ke eona feela k’hamphani e sebelisang libeteri tsa 18650 tsa lithium-cobalt-ion, tseo ka tloaelo li sebelisoang lik’homphieutha tsa li-notebook ‘me ha li ntle joaloka likoloi tsa motlakase’ me li beha likotsi tsa ts’ireletso. na hoo ke nnete?

Ho ea ka tlaleho, phello ea libeteri likoloing tsa motlakase e totobetse ho latela matla a tlhahiso. Iron phosphate hajoale ke khetho ea pele ‘marakeng, joalo ka Chevrolet Volt, Nissan Leaf, BYD E6 le FiskerKarma, ka lebaka la ho ts’epahala, polokeho le linako tsa ho tjhaja.

Tesla ke koloi ea pele ea ho sebelisa libeteri tsa lithium cobalt ion

Likoloi tsa lipapali tsa Tesla le mehlala li tsamaisoa ke libeteri tsa 18650 lithium cobalt oxide. Ha ho bapisoa le libeteri tsa lithium iron phosphate, betri ena e na le ts’ebetso e rarahaneng, matla a phahameng, matla a mangata a matla, le ho tsitsisa ho phahameng, empa e na le ntlha e tlaase ea tšireletso, litšobotsi tse fokolang tsa thermoelectric, le litšenyehelo tse batlang li le holimo.

Ho ea ka basebetsi ba indasteri, motlakase o lula o le tlase ho 2.7V kapa o phahame ho feta 3.3V, ‘me matšoao a ho chesa haholo a tla hlaha. Haeba pakete ea betri e le kholo ‘me mocheso oa mocheso o sa laoloe hantle, ho na le kotsi ea mollo. Ha ho makatse ha Tesla a ‘nile a nyatsuoa ka ho se tšepahale ho theknoloji ea betri, hobane theknoloji ea betri e shebana haholo le matla a motlakase, a hona joale le a ho laola mocheso.

Leha ho le joalo, ka ts’ebetso, libeteri tsa lithium-ion iron phosphate li nkoa li sireletsehile ebile li tšepahala haholoanyane, empa ha li fumanehe kamehla. Ts’ebetsong ea ho itokisa, tšepe ea oxide e ka fokotsoa ho ba tšepe ea mantlha mochesong o phahameng. Tšepe e bonolo e tla etsa hore ho be le potoloho e khuts’oane ea betri, e hanetsoeng. Ntle le moo, ts’ebetsong, ho tjhaja le ho lahla li-curve tsa libeteri tsa lithium iron phosphate li fapane haholo, ho tsitsa hoa fokola, ‘me matla a matla a tlase, a amang bophelo ba betri ea likoloi tsa motlakase ka kotloloho. Ho latela tlaleho ea morao-rao ea lipatlisiso ea Haitong International Securities, matla a matla a libeteri tsa Tesla (170Wh/kg) a batla a imenne habeli ho feta libetri tsa BYD tsa lithium-ion iron phosphate.

Mme Whittingham oa Univesithi ea Huntington United Kingdom o ile a etsa libeteri tsa 18650 bakeng sa lilaptop, litoche le lisebelisoa tse ling tsa digital ho tloha lilemong tsa bo-1970, empa Tesla e bile k’hamphani ea pele ea ho sebelisa 18mm ka bophara le 65mm ka bolelele koloing. Khamphani ea betri ea cylindrical lithium.

Motsamaisi oa Tesla oa theknoloji ea betri, Kirt Kady, o boletse puisanong ea pejana hore Tesla e boetse e lekile mefuta e fapaneng ea betri ea 300 ‘marakeng, ho kenyeletsoa libeteri tse bataletseng le li-betri tsa lisekoere, empa o khethile Panasonic’s 18650. Ka lehlakoreng le leng, 18650 e na le matla a phahameng a matla. e tsitsitse ebile e tsitsitse. Ka lehlakoreng le leng, 18650 e ka sebelisoa ho fokotsa litšenyehelo tsa lisebelisoa tsa betri. Ho phaella moo, le hoja tekanyetso ea betri e ‘ngoe le e’ ngoe e le nyenyane haholo, matla a betri ka ‘ngoe a ka laoloa ka har’a mefuta e fokolang. Leha ho na le phoso ka har’a betri pakete, phello ea sekoli e ka fokotsoa ha e bapisoa le ho sebelisa betri e tloaelehileng e kholo. Ho feta moo, Chaena e hlahisa libeteri tse 18,650 selemo se seng le se seng, ‘me boemo ba tšireletso bo ntse bo ntlafala.

Lithium battery NCR18650 ke betri e nang le matla a holimo e nang le motlakase oa lebitso la 3.6V, bonyane ba matla a 2750 mA, le boholo ba karolo ea 45.5g. Ho feta moo, matla a matla a 18650 a sebelisitsoeng ho Tesla ea moloko oa bobeli oa MODEL S e phahame ka 30% ho feta ea koloi ea lipapali tse fetileng.

Tesla Chief Technology Officer JBStraubel o boletse hore ho tloha ha koloi ea lipapali tsa Model S e qala, litšenyehelo tsa betri li theohile ka hoo e ka bang 44% ‘me li tla tsoela pele ho oa. Ka 2010, Panasonic e ile ea kenya letsoho ho $30 milione ho Tesla e le mong’a kabelo. Ka 2011, lihlopha tsena tse peli li fihletse tumellano ea leano la ho fana ka libeteri bakeng sa likoloi tsohle tsa Tesla lilemong tse hlano tse tlang. Hona joale Tesla o hakanya hore Panasonic 18650 e tla kenngoa ka mefuta ea 80,000.

6831 libeteri tsa lithium li ile tsa lokisoa bocha ka mohlolo

Tesla e rarolla joang kotsi ea polokeho ea 18650? Sebetsa sa eona sa lekunutu se ka har’a sistimi ea ts’ebetso ea betri, e fanang ka tharollo ea ho hokela libeteri tse pakiloeng tsa 68312 amp Panasonic 18650 ka tatellano le ka ho ts’oana.

Koloi ea motlakase e hloka libeteri tse 18,650. Sistimi ea betri ea Tesla Roadster e na le lisele tse nyane tsa betri tsa 6,831, ‘me Model s e na le lisele tse ngata tsa 8,000 tsa betri. Mokhoa oa ho beha le ho kopanya lipalo tsena tse kholo tsa libeteri tse nyane ke tsa bohlokoa haholo.