Motor Mouth: Phetoho ea betri e tla etsa hore likoloi tsa motlakase li sebetse

Ka Laboraro le tlang la la 24 Pulungoana, tafole ea morao-rao ea "Driving into the future" e tla tšohla hore na bokamoso ba tlhahiso ea betri ea Canada bo ka shebahala joang.Ho sa tsotellehe hore na u motho ea nang le tšepo - u hlile u lumela hore likoloi tsohle li tla ba tsa motlakase ka 2035-kapa u nahana hore re ke ke ra finyella sepheo seo se seholo, likoloi tse tsamaisoang ke betri ke karolo ea bohlokoa ea bokamoso ba rona.Haeba Canada e batla ho ba karolo ea phetoho ena ea motlakase, re hloka ho fumana mokhoa oa ho ba moetsi ea ka sehloohong oa lisebelisoa tsa motlakase oa likoloi nakong e tlang.Ho bona hore na bokamoso bo shebahala joang, shebella sethala sa morao-rao sa ho etsa libeteri bakeng sa rona Canada Laboraro lena ka 11:00 hoseng ka Nako ea Bochabela.
Lebala ka libeteri tsa boemo bo tiileng.Hoa tšoana le ho li-hype tsohle tse mabapi le silicon anode.Esita le beteri ea moea ea aluminium e sa sebetseng e ke keng ea tjhajoa lapeng e ke ke ea sisinya lefatše la likoloi tsa motlakase.
Betri ea sebopeho ke eng?Hantle, ena ke potso e ntle.Ka lehlohonolo ho 'na, ke mang ea sa batleng ho iketsa eka mohlomong ha ke na tsebo ea boenjiniere, karabo e bonolo.Likoloi tsa hona joale tsa motlakase li tsamaisoa ke libeteri tse kentsoeng ka koloing.Oh, re fumane mokhoa o mocha oa ho pata boleng ba bona, e leng ho haha ​​libeteri tsena tsohle tsa lithium-ion ka mokatong oa chassis, ho theha sethala sa "skateboard" seo hona joale se tšoanang le moralo oa EV.Empa ba ntse ba arohane le koloi.Tlatsetso, ha o rata.
Libetri tsa sebopeho li senya paradigm ena ka ho etsa chassis eohle e entsoeng ka lisele tsa betri.Nakong e tlang e bonahalang eka ke ea litoro, e ke ke ea e-ba feela fatše e jereng mojaro ho e-na le ho ba le libeteri, empa likarolo tse itseng tsa 'mele-A-litšiea, marulelo, esita le, joalokaha setsi sa lipatlisiso se bontšitse, ho ka khoneha , The air filter pressurized room-eseng feela a hlomelloa ka libeteri, empa ha e le hantle entsoe ke libeteri.Ho ea ka mantsoe a Marshall McLuhan e moholo, koloi ke betri.
Leha ho le joalo, le hoja libeteri tsa kajeno tsa lithium-ion li shebahala li le theknoloji e phahameng, li boima.Matla a matla a lithium ion a tlase haholo ho feta a peterole, kahoo ho fihlela lebelo le ts'oanang le likoloi tsa mafura, libeteri tsa li-EV tsa sejoale-joale li kholo haholo.E kholo haholo.
Habohlokoa le ho feta, li boima.Joalo ka boima ba "mojaro o pharaletseng".Mokhoa oa motheo o sebelisoang hona joale ho bala matla a matla a betri ke hore kilogram e 'ngoe le e' ngoe ea lithium ion e ka hlahisa lihora tse ka bang 250 tsa motlakase.Kapa lefatšeng la khutsufatso, baenjiniere ba khetha, 250 Wh/kg.
Etsa lipalo tse nyane, betri ea 100 kWh e tšoana le Tesla e kentsoeng ka betri ea Model S, e bolelang hore kae kapa kae moo u eang teng, u tla hula ka 400 kg ea betri.Ena ke ts'ebeliso e ntle ka ho fetisisa le e sebetsang ka ho fetesisa.Ho rona batho ba tloaelehileng, e kanna ea ba e nepahetseng ho hakanya hore betri ea 100 kWh e boima ba liponto tse 1,000.Joalo ka halofo ea thane.
Joale nahana ka ntho e kang Hummer SUT e ncha, e ipolelang hore e na le matla a ho fihla ho 213 kWh.Le ha kakaretso e ka fumana lintlafatso tse itseng ka katleho, Hummer ea holimo e ntse e tla hula lithane tsa libeteri.E, e tla khanna hole, empa ka lebaka la melemo ena eohle e eketsehileng, ho eketseha ha mefuta ha ho tsamaellane le ho imena habeli ha betri.Ehlile, teraka ea eona e tlameha ho ba le enjene e matla ho feta - ke hore, e sa sebetseng hantle - ho ts'oana.Ts'ebetso ea mefuta e meng e bobebe, e khuts'oane.Joalo ka ha moenjiniere e mong le e mong oa likoloi (ebang ke oa lebelo kapa moruo oa mafura) a tla u joetsa, boima ke sera.
Mona ke moo betri ea mohaho e kenang teng. Ka ho haha ​​likoloi ho tloha libeteri ho e-na le ho li eketsa ho mehaho e teng, boholo ba boima bo eketsehileng bo nyamela.Ho isa bohōleng bo itseng—ke hore, ha lintho tsohle tsa tlhophiso li fetoloa libeteri—ho eketsa lebelo la ho tsamaea ha koloi ho lebisa ho fokotseng boima ba ’mele ho hang.
Joalo ka ha u ne u ka lebella - hobane kea tseba hore u lutse moo u ntse u nahana "Ke mohopolo o motle hakaakang!" - ho na le litšitiso tharollong ena e bohlale.Ea pele ke ho tseba bokhoni ba ho etsa libeteri ho tloha lisebelisoa tse ka sebelisoang eseng feela e le li-anode le li-cathode bakeng sa betri leha e le efe ea motheo, empa hape e le matla a lekaneng-le a bobebe haholo!-Mohaho o ka tšehetsang koloi ea lithane tse peli le bapalami ba eona, 'me ho tšeptjoa hore e tla sireletseha.
Ha ho makatse hore ebe likarolo tse peli tse ka sehloohong tsa betri e matla ka ho fetisisa ea sebopeho ho fihlela joale e entsoeng ke Chalmers University of Technology le e tsetelitsoeng ke KTH Royal Institute of Technology, liunivesithi tse peli tse tummeng tsa boenjiniere tsa Sweden-ke carbon fiber le aluminium.Ha e le hantle, fiber ea carbon e sebelisoa e le electrode e mpe;electrode e ntle e sebelisa lithium iron phosphate coated aluminium foil.Kaha carbon fiber e boetse e tsamaisa lielektrone, ha ho hlokahale silevera e boima le koporo.Cathode le anode li bolokoa li arohane ka khalase ea fiber matrix e nang le electrolyte, kahoo ha e tsamaise li-ion tsa lithium pakeng tsa li-electrode, empa hape e aba mojaro oa sebopeho pakeng tsa tse peli.Matla a ikhethileng a sele e 'ngoe le e' ngoe ea betri e joalo ke 2.8 volts, 'me joalo ka libeteri tsohle tsa hona joale tsa motlakase, e ka kopanngoa ho hlahisa 400V kapa esita le 800V e tloaelehileng ho likoloi tsa letsatsi le letsatsi tsa motlakase.
Leha sena e le ho tlola ho hlakileng, le lisele tsena tsa theknoloji e phahameng ha lia itokisetsa ho sebelisoa ho hang.Matla a bona a matla ke lihora tse 25 tsa li-watt ka kilogram, 'me ho satalla ha bona ke 25 gigapascals (GPa), e leng matla hanyane ho feta fiber ea khalase ea foreimi.Leha ho le joalo, ka chelete e tsoang ho Swedish National Space Agency, phetolelo ea morao-rao hona joale e sebelisa fiber e ngata ea carbon ho e-na le li-electrode tsa aluminium foil, tseo bafuputsi ba reng li na le ho satalla le matla a matla.Ebile, libeteri tsena tsa morao-rao tsa khabone/khabone li lebelletsoe ho hlahisa ho fihla ho lihora tse 75 tsa motlakase ka kilogram le modulus ea Young ea 75 GPa.Matla ana a matla a ka 'na a sala ka morao ho libeteri tse tloaelehileng tsa lithium-ion, empa ho satalla ha eona ho se ho le betere ho feta aluminium.Ka mantsoe a mang, betri ea chassis ea koloi ea motlakase e entsoeng ka libeteri tsena e ka ba matla joaloka betri e entsoeng ka aluminium, empa boima bo tla fokotseha haholo.
Tšebeliso ea pele ea libeteri tsena tsa theknoloji e phahameng e batla e le lisebelisoa tsa elektronike tsa bareki.Moprofesara oa Chalmers Leif Asp o itse: “Ka mor’a lilemo tse seng kae, hoa khoneha ho etsa smartphone, laptop kapa baesekele ea motlakase e leng halofo feela ea boima ba kajeno ’me e momahane haholoanyane.”Leha ho le joalo, joalokaha motho ea okametseng morero ona a ile a bontša, “Re hlile re lekanyelitsoe feela ke monahano oa rōna mona.”
Betri hase feela motheo oa likoloi tsa motlakase tsa mehleng ea kajeno, empa hape le sehokelo sa eona se fokolang ka ho fetisisa.Esita le ponelopele e nang le tšepo ka ho fetisisa e ka bona habeli palo ea matla a teng hona joale.Ho thoe'ng haeba re batla ho fumana sebaka se makatsang seo kaofela ha rona re se tšepisitseng - 'me ho bonahala eka motho e mong beke le beke o tšepisa lik'hilomithara tse 1,000 ka tefiso?- Re tla tlameha ho etsa betere ho feta ho kenya libeteri likoloing: re tla tlameha ho etsa likoloi ka libeteri.
Litsebi li re ho lokisoa ha nakoana ha litsela tse ling tse senyehileng, ho akarelletsa le tsela e khōlō ea Coquihalla, ho tla nka likhoeli tse ’maloa.
Postmedia e ikemiselitse ho boloka foramo e sebetsang empa e le lekunutu mme e khothaletsa babali bohle ho arolelana maikutlo a bona ka lingoliloeng tsa rona.Ho ka nka hora hore maikutlo a hlahe webosaeteng.Re u kopa ho boloka maikutlo a hau e le a bohlokoa le a tlhompho.Re nolofalitse litemoso tsa lengolo-tsoibila-haeba u fumana karabo ea maikutlo, haeba khoele ea maikutlo eo u e latelang e ntlafalitsoe, kapa haeba u latela maikutlo a mosebelisi, joale u tla fumana lengolo-tsoibila.Ka kopo etela Litaelo tsa Sechaba sa rona ho fumana lintlha le lintlha tse ling mabapi le mokhoa oa ho lokisa litlhophiso tsa lengolo-tsoibila.


Nako ea poso: Nov-24-2021