Pile ea matla a holimo ea DC e ea tla

Ho ea ka nts'etsopele ea theknoloji ea ho tjhaja likoloi tsa motlakase le tlhoko ea ho nchafatsoa ka potlako, Lekala la Indasteri le Theknoloji ea Tlhahisoleseding le hlophisitse Komiti ea Naha ea Tekheniki ea Boemo ba Likoloi ho phethela ntlafatso ea litekanyetso tse peli tse khothaletsoang tsa naha, ho fihlela ntlafatso e ncha ho mofuta oa pele oa 2015 oa. sekema sa maemo a naha (seo hangata se tsejoang ka hore ke "2015 +" standard), se thusang ho ntlafatsa maemo a tikoloho, polokeho le ts'epahalo ea lisebelisoa tsa khokahanyo ea ho tjhaja, 'me ka nako e ts'oanang ho fihlela litlhoko tsa nnete tsa matla a tlase a DC. ho tjhaja matla a maholo.

Mohato o latelang, Lekala la Indasteri le Theknoloji ea Tlhahisoleseding le tla hlophisa likarolo tse amehang ho etsa phatlalatso e tebileng, ho phahamisa le ho kenya tšebetsong litekanyetso tse peli tsa naha, ho khothaletsa kholiso le ts'ebeliso ea ho tjhaja DC ka matla a phahameng le mahlale a mang, le ho theha. tikoloho ea ntlafatso ea boleng bo holimo bakeng sa indasteri e ncha ea likoloi tsa matla le indasteri ea lits'ebeletso tsa ho tjhaja.Tikoloho e ntle.Ho tjhaja butle e 'nile ea e-ba ntlha e bohloko ea mantlha indastering ea likoloi tsa motlakase.

Ho ea ka tlaleho ea Soochow Securities, karolelano ea tefiso ea theory ea mefuta e rekisoang e chesang e tšehetsang ho tjhaja ka potlako ka 2021 ke hoo e ka bang 1C (C e emela sekhahla sa ho tjhaja ha betri. ka metsotso e 60) , ke hore, ho nka metsotso e ka bang 30 ho tjhaja ho fihlela SOC 30% -80%, 'me bophelo ba betri bo ka bang 219km (NEDC e tloaelehileng).

Ha e le hantle, likoloi tse ngata tse hloekileng tsa motlakase li hloka metsotso e 40-50 ea ho tjhaja ho fihlela SOC 30% -80% 'me li ka tsamaea ka 150-200km.Haeba nako ea ho kena le ho tsoa seteisheneng sa ho tjhaja (hoo e ka bang metsotso e 10) e kenyelelitsoe, koloi e hloekileng ea motlakase e nkang hora e le 1 ho tjhaja e ka khanna feela tseleng e kholo nako e fetang hora e le 'ngoe.

Khothatso le ts'ebeliso ea mahlale a joalo ka ho tjhaja DC ka matla a phahameng a tla hloka ntlafatso e tsoelang pele ea marang-rang a ho tjhaja nakong e tlang.Lekala la Saense le Theknoloji le ile la tsebahatsa pele hore naha ea heso e se e ahile marang-rang a charging a nang le thepa e tjhajang palo e kholo ka ho fetisisa le sebaka se seholohali sa tšireletso.Boholo ba lisebelisoa tse ncha tsa ho tjhaja sechaba haholo-holo ke lisebelisoa tse tjhajang ka potlako tsa DC tse nang le 120kW kapa ho feta.7kW AC liqubu tsa ho tjhaja butlee se e le maemo a poraefete.Ts'ebeliso ea ho tjhaja ka potlako ea DC ha e le hantle e atolohile tšimong ea likoloi tse khethehileng.Lisebelisoa tsa ho tjhaja sechaba li na le marang-rang a marang-rang a marang-rang bakeng sa ho lekola nako ea nnete.bokhoni, ho fumana qubu ea APP le tefo ea marang-rang li se li sebelisoa haholo, 'me mahlale a macha a kang ho tjhaja matla a phahameng, ho tjhaja DC ka matla a tlase, khokahano ea ho tjhaja othomathike le ho tjhaja ka tatellano butle-butle li ntse li ntlafatsoa indastering.

Nakong e tlang, Lekala la Saense le Theknoloji le tla shebana le mahlale a bohlokoa le lisebelisoa bakeng sa ho tjhaja le ho fapanyetsana ka tšebelisano-mmoho, joalo ka mahlale a mantlha a khokahano ea leru la koloi, mekhoa ea ho tjhaja setsi sa ho tjhaja le mahlale a taolo a ho tjhaja ka tsela e hlophisehileng, mahlale a mantlha a matla a phahameng. ho tjhaja waelese, le ditheknoloji tsa bohlokwa bakeng sa ho fetola ka potlako dibetri tsa motlakase.Matlafatsa lipatlisiso tsa mahlale le thekenoloji.

Ka hlakoreng le leng,ho tjhaja DC ka matla a phahamenge beha litlhoko tse phahameng ts'ebetsong ea libeteri tsa matla, likarolo tsa bohlokoa tsa likoloi tsa motlakase.

Ho latela tlhahlobo ea Soochow Securities, pele ho tsohle, ho eketsa sekhahla sa ho tjhaja betri ho hanana le molao-motheo oa ho eketsa matla a matla, hobane sekhahla se phahameng se hloka likaroloana tse nyane tsa lisebelisoa tsa elektrode tse ntle le tse mpe tsa betri, mme matla a phahameng a matla a hloka matla. likaroloana tse kholoanyane tsa lisebelisoa tsa electrode tse ntle le tse mpe.

Taba ea bobeli, ho tjhaja ka sekhahla se phahameng maemong a matla a phahameng ho tla tlisa litlamorao tse tebileng tsa lithium deposition le litlamorao tsa tlhahiso ea mocheso ho betri, e leng se tla fella ka ho fokotseha ha polokeho ea betri.

Har'a tsona, lisebelisoa tsa elektrode tse mpe tsa betri ke eona ntho e ka sehloohong e thibelang ho tjhaja ka potlako.Sena ke hobane graphite e mpe ea electrode e entsoe ka maqephe a graphene, 'me li-ion tsa lithium li kena ka har'a lakane ka mathōko.Ka hona, nakong ea ts'ebetso ea ho tjhaja ka potlako, eleketrode e mpe e fihla kapele moeling oa bokhoni ba eona ba ho monya li-ion, 'me lithium ion li qala ho theha lithium tse tiileng holim'a likaroloana tsa graphite, ke hore, moloko oa Lithium precipitation side reaction.Lithium pula e tla fokotsa sebaka se sebetsang sa electrode e mpe bakeng sa li-ion tsa lithium tse lokelang ho kenngoa.Ka lehlakoreng le leng, e fokotsa matla a betri, e eketsa khanyetso ea ka hare, 'me e khutsufatsa nako ea bophelo.Ka lehlakoreng le leng, likristale tsa li-interface lia hōla 'me li phunyeletsa karohano, tse amang polokeho.

Moprofesa Wu Ningning le ba bang ba tsoang Shanghai Handwe Industry Co., Ltd. le bona ba kile ba ngola hore ho ntlafatsa bokhoni ba ho tjhaja ka potlako ba libeteri tsa matla, hoa hlokahala ho eketsa lebelo la ho falla ha li-ion tsa lithium ka thepa ea cathode ea betri le ho potlakisa. ho kenngoa ha li-ion tsa lithium linthong tsa anode.Ntlafatsa conductivity ea ionic ea electrolyte, khetha karohano ea ho tjhaja ka potlako, ntlafatsa conductivity ea ionic le elektroniki ea eleketrode, 'me u khethe leano le loketseng la ho tjhaja.

Leha ho le joalo, seo bareki ba ka se lebellang ke hore ho tloha selemong se fetileng, lik'hamphani tsa betri tsa malapeng li qalile ho hlahisa le ho kenya libeteri tse tjhajang ka potlako.Ka Phato selemong sena, CATL e etelletseng pele e ile ea lokolla 4C Shenxing betri e phahameng ka ho fetesisa e ipapisitseng le sistimi e ntle ea lithium iron phosphate (4C e bolela hore betri e ka tjhaja ka botlalo ka kotara ea hora), e ka fihlelang "metsotso e 10 ea ho tjhaja le sebaka sa 400 kw" Lebelo le phahameng la ho tjhaja ka potlako.Ka tlas'a mocheso o tloaelehileng, betri e ka lefisoa ho 80% SOC ka metsotso e 10.Ka nako e ts'oanang, CATL e sebelisa thekenoloji ea ho laola mocheso oa sele sethaleng sa tsamaiso, se ka futhumatsang ka potlako mocheso o nepahetseng oa mocheso o sebetsang libakeng tse tlaase tsa mocheso.Esita le sebakeng se tlaase sa mocheso oa -10 ° C, se ka lefisoa ho 80% ka metsotso e 30, esita le ka likhaello tse tlaase tsa mocheso Ho potlakisa ha lebelo la Zero-lekholo le lekholo ha le bole sebakeng sa motlakase.

Ho latela CATL, libeteri tsa Shenxing tse tlatsitsoeng ka bongata li tla hlahisoa ka bongata nakong ea selemo sena mme e tla ba tsa pele ho sebelisoa mefuteng ea Avita.

 

CATL's 4C Kirin betri e tjhajang ka potlako e thehiloeng ho ternary lithium cathode material e boetse e phatlalalitse mofuta o nepahetseng oa motlakase o hloekileng selemong sena, 'me haufinyane e phatlalalitse krypton mabothobotho a ho tsoma supercar 001FR.

Ho phaella ho Ningde Times, har'a lik'hamphani tse ling tsa betri tsa malapeng, China New Aviation e thehile litsela tse peli, lisekoere le li-cylindrical tse kholo, tšimong ea 800V ea ho tjhaja ka potlako e phahameng.Libetri tsa lisekoere li tšehetsa 4C ho tjhaja kapele, 'me libeteri tse kholo tsa cylindrical li tšehetsa 6C ho tjhaja kapele.Mabapi le tharollo ea betri ea prismatic, China Innovation Aviation e fana ka Xpeng G9 ka moloko o mocha oa libeteri tsa tšepe tsa lithium tse tjhajang ka potlako le libeteri tse mahareng tsa nickel tse phahameng tsa ternary tse ntlafalitsoeng ho latela sethala sa 800V se nang le matla a phahameng, se ka fihlelang SOC ho tloha ho 10% ho ea ho 80% ka metsotso e 20.

Honeycomb Energy e ile ea lokolla Battery ea Dragon Scale ka 2022. Betri e lumellana le lisebelisoa tse feletseng tsa lik'hemik'hale tse kang iron-lithium, ternary, le cobalt-free.E na le lisebelisoa tsa ho tjhaja ka potlako tsa 1.6C-6C 'me e ka kenngoa mefuteng ea lihlopha tsa A00-D-class.Moetso ona o lebelletsoe ho kenngoa tlhahisong ea bongata kotareng ea bone ea 2023.

Yiwei Lithium Energy e tla lokolla mochine o moholo oa cylindrical battery π ka 2023. Theknoloji ea ho pholisa "π" ea betri e ka rarolla bothata ba ho tjhaja ka potlako le ho futhumala ha libeteri.Li-betri tsa eona tse 46 tse kholo tsa cylindrical li lebelletsoe ho hlahisoa ka bongata le ho tlisoa kotareng ea boraro ea 2023.

Ka Phato selemong sena, Khamphani ea Sunwanda e ile ea boela ea bolella batseteli hore betri ea "flash charge" eo hajoale e hlahisitsoeng ke k'hamphani bakeng sa 'maraka oa BEV e ka fetoloa ho 800V high-voltage le 400V normal-voltage system.Lihlahisoa tsa betri tsa 4C tse tjhajang ka potlako li fihletse tlhahiso ea bongata kotareng ea pele.Nts'etsopele ea libeteri tsa "flash charger" tsa 4C-6C e ntse e tsoela pele hantle, 'me boemo bohle bo ka fihlela bophelo ba betri ea 400 kw ka metsotso e 10.