Betri e sebetsang hantle haholo:Betri ea lithium-ione entsoe ka likarolo tse 'ne tse kholo: lisebelisoa tse ntle tsa electrode, lisebelisoa tse mpe tsa electrode, separator le electrolyte.Har'a bona, karohano ke karolo ea bohlokoa ka hare holibeteri tsa lithium-ion.Le hoja e sa kopanele ka ho toba karabelong ea electrochemical, e bapala karolo ea bohlokoa ts'ebetsong ea betri.Ha e ame feela bokhoni, ts'ebetso ea potoloho le tefiso le ho ntša sekhahla sa betri, empa e boetse e amana le polokeho le bophelo ba betri.betri.Karohano e boloka ts'ebetso e nepahetseng ea betri le ts'ebetso ka ho fana ka liteishene tsa ion conduction, ho thibela ho kopanya electrolyte, le ho fana ka tšehetso ea mechine.The conductivity ea ion ea karohano e ama ka ho toba tefo le lebelo la ho qhala le katleho ea betri.Ts'ebetso e ntle ea ion e ka ntlafatsa matla a betri.Ho phaella moo, ts'ebetso ea ho arohana ha electrolyte ea karohano e etsa qeto ea polokeho ea betri.Karohano e sebetsang ea electrolyte lipakeng tsa li-electrode tse ntle le tse mpe ho ka thibela litaba tsa polokeho joalo ka li-circuits tse khutšoane le ho chesa haholo.Karohano e boetse e hloka ho ba le matla a matle a mochine le ho feto-fetoha ha maemo ho sebetsana ka katleho le ho atolosoa le ho fokotseha ha betri le ho thibela tšenyo ea mechine le lipotoloho tse khutšoanyane tsa ka hare.Ho phaella moo, karohano e boetse e hloka ho boloka botsitso ba sebopeho le ts'ebetso nakong eabophelo ba betriho etsa bonnete ba ts'ebetso e tšepahalang ea nako e telele ea betri.Le hoja karohano e sa kopanele ka kotloloho tšebetsong ea electrochemical ea betri, e na le tšusumetso ea bohlokoa ho thepa ea bohlokoa joalo ka matla a betri, ts'ebetso ea potoloho, lebelo la tefiso le ho tsoa, polokeho le nako ea bophelo. .Ka hona, nts'etsopele le ntlafatso ea li-separators ke tsa bohlokoa haholo ho nts'etsopele le ts'ebeliso ea libeteri tsa lithium-ion.
1. Mosebetsi oa bohlokoa oa likarohano kalibeteri tsa lithium-ion
Li-separators li bapala karolo ea bohlokoa libeteri tsa lithium-ion.Hase feela mokoallo oa 'mele o arolang li-electrode tse ntle le tse mpe, empa hape o na le mesebetsi e latelang ea bohlokoa:1.Phetisetso ea Ion: Karohano e tlameha ho ba le ts'ebetso e ntle ea phetisetso ea ion mme e khone ho lumella li-ion tsa lithium hore li fetise ka bolokolohi pakeng tsa li-electrode tse ntle le tse mpe.Ka nako e ts'oanang, karohano e hloka ho thibela ka katleho phetiso ea li-elektronike ho thibela lipotoloho tse khutšoanyane le ho itšehla thajana.2.Tlhokomelo ea li-electrolyte: Karohano e hloka ho ba le khanyetso e ntle ea ho kenella ha solvent, e ka bolokang ka mokhoa o ts'oanelang kabo e tšoanang ea electrolyte pakeng tsa li-electrode tse ntle le tse mpe le ho thibela tahlehelo ea electrolyte le liphetoho tsa mahloriso.3.Matla a mochine: Serohano se hloka ho ba le matla a lekaneng a mochine ho mamella khatello ea mechine e kang ho hatella, ho atolosa le ho sisinyeha ha betri ho netefatsa botsitso le polokeho ea betri.4.Ho tsitsa ha mocheso: Se arohaneng se hloka ho ba le botsitso bo botle ba mocheso ho boloka botsitso ba sebopeho libakeng tse phahameng tsa mocheso le ho thibela ho baleha ha mocheso le ho senyeha ha mocheso.5.Lelakabe la lelakabe: Sepharoli se hloka ho ba le ts'ebetso e ntle ea lelakabe, e ka thibelang betri ka katleho mollong kapa ho phatloha tlas'a maemo a sa tloaelehang.E le ho finyella litlhoko tse ka holimo, karohano hangata e entsoe ka thepa ea polymer, e kang polypropylene (PP), polyethylene. (PE), joalo-joalo Ho phaella moo, litekanyetso tse kang botenya, porosity, le boholo ba pore ea karohano le tsona li tla ama ts'ebetso ea betri.Ka hona, ts'ebetsong ea ho lokisa libeteri tsa lithium-ion, ho bohlokoa haholo ho khetha lisebelisoa tse loketseng tsa karohano le ho ntlafatsa moralo oa sebopeho sa karohano.
2. Karolo e ka sehloohong ea ba arolang kalibeteri tsa lithium:
Ka libeteri tsa lithium-ion, karohano e phetha karolo ea bohlokoa 'me e na le mesebetsi e latelang ea bohlokoa:1.Ion conduction: Karohano e lumella li-ion tsa lithium hore li tsamaisoe pakeng tsa li-electrode tse ntle le tse mpe.Hangata karohano e na le conductivity e phahameng ea ionic, e ka khothalletsang ho potlaka le ho phalla ha lithium ion ka betri le ho finyella ho tjhaja ka mokhoa o nepahetseng le ho ntša betri.2.Tšireletseho ea betri: Karohano e ka thibela ho kopana ka ho toba le potoloho e khutšoanyane pakeng tsa li-electrode tse ntle le tse mpe, ho qoba ho fetela holimo le ho chesa ka hare ho betri, le ho fana ka tšireletso ea betri.3.Electrolyte itšehla thajana: Karohano e thibela likhase, litšila le lintho tse ling tse ka har'a electrolyte ka betri hore li se ke tsa kopanya pakeng tsa li-electrode tse ntle le tse mpe, ho qoba liphetoho tse sa hlokahaleng tsa lik'hemik'hale le tahlehelo, le ho boloka botsitso le bophelo ba potoloho ea betri.4.Ts'ehetso ea mochini: Serohano se bapala karolo ea ts'ehetso ea mochini ka har'a betri.E ka lokisa maemo a li-electrode tse ntle le tse mpe le likarolo tse ling tsa betri.E boetse e na le tekanyo e itseng ea ho feto-fetoha ha maemo le ho atolosa ho ikamahanya le ho atolosoa le ho fokotseha ha betri.Separators e phetha karolo ea bohlokoa ho tsamaisa ion, ts'ireletso ea betri, ho itšehla thajana ea electrolyte le tšehetso ea mechine ka libeteri tsa lithium-ion.E ka netefatsa ts'ebetso e tsitsitseng le ts'ebetso ea betri.
3. Mefuta ea li-separators tsa betri tsa lithium-ion
Ho na le mefuta e mengata ea li-betri tsa lithium-ion tse arohaneng, tse tloaelehileng li kenyelletsa tse latelang: 1.Polypropylene (PP) separator: Hona joale sena ke thepa ea karohano e sebelisoang haholo.Li-separators tsa polypropylene li na le lik'hemik'hale tse ntle haholo tsa lik'hemik'hale, botsitso bo botle ba mocheso le matla a mochine, ha li ntse li e-na le khetho e itekanetseng ea ion le thepa ea conductive.2.Polyimide (PI) separator: Polyimide separator e na le botsitso bo phahameng ba mocheso le botsitso ba lik'hemik'hale, 'me e ka boloka ts'ebetso e tsitsitseng libakeng tse phahameng tsa mocheso.Ka lebaka la ho hanyetsa matla a matla, li-separators tsa polyimide li atisa ho sebelisoa ka libeteri tse nang le matla a matla a matla le litlhoko tse phahameng tsa matla.3.Polyethylene (PE) separator: Polyethylene separator e na le conductivity e phahameng ea ion le matla a matle a mechine, 'me hangata e sebelisoa ka mefuta e itseng ea libeteri tsa lithium-ion, tse kang li-supercapacitors le lithium-sulfur libeteri.4.Diaphragm e kopantsoeng ea ceramic: Diaphragm e kopantsoeng ea ceramic e entsoe ka fiber ea ceramic e matlafalitsoeng ke polymer substrate.E na le matla a phahameng a mochine le ho hanyetsa mocheso 'me e khona ho mamella mocheso o phahameng le tšenyo ea' mele.5.Nanopore separator: Nanopore separator e sebelisa conductivity e ntle ea ion ea sebopeho sa nanopore, ha e ntse e kopana le matla a matle a mochini le botsitso ba lik'hemik'hale.Ho lebeletsoe hore e sebelisoe ka libeteri tsa lithium-ion tse nang le matla a phahameng le litlhoko tsa nako e telele tsa bophelo.Likarohano tsena tsa thepa le mehaho e fapaneng li ka khethoa le ho ntlafatsoa ho ea ka meralo e fapaneng ea betri le litlhoko tsa ts'ebetso.
4. Litlhoko tsa ts'ebetso ea li-separators tsa betri tsa lithium-ion
Likarohano tsa betri ea lithium-ion ke karolo ea bohlokoa e nang le litlhoko tse latelang tsa ts'ebetso:1.High electrolyte conductivity: Karohano e tlameha ho ba le conductivity e phahameng ea electrolyte ho khothalletsa conduction ea ion pakeng tsa li-electrode tse ntle le tse mpe ho finyella ho tjhaja hantle le ho ntša betri.2.Khetho e ntle ka ho fetisisa ea ion: Karohano e hloka ho ba le khetho e ntle ea ion, e lumellang feela phetiso ea lithium ion le ho thibela ho kenella kapa ho itšoara ha lintho tse ling ka betri.3.Botsitso bo botle ba mocheso: Karohano e hloka ho ba le botsitso bo botle ba mocheso le ho khona ho boloka botsitso ba sebopeho tlas'a maemo a feteletseng a kang mocheso o phahameng kapa ho feta ho thibela mocheso oa ho baleha kapa evaporation ea electrolyte le mathata a mang.4.Matla a maholo a mechine le ho feto-fetoha ha maemo: Se arohaneng se hloka ho ba le matla a phahameng a mochine le ho feto-fetoha ha maemo ho thibela mathata a kang lipotoloho tse khutšoanyane tsa bohale kapa tšenyo e ka hare, le ho ikamahanya le ho atolosoa le ho fokotseha ha betri.5.Khanyetso e ntle ea lik'hemik'hale: Karohano e hloka ho ba le khanyetso e ntle ea lik'hemik'hale 'me e khone ho hanela ho bola kapa ho silafala ha karohano ka li-electrolyte, likhase le litšila ka har'a betri.6.Ho hanyetsa ho fokolang le ho fokotseha ho fokolang: karohano e lokela ho ba le ho hanyetsa ho fokolang le ho fokotseha ho fokolang ho fokotsa tahlehelo ea ho hanyetsa le tahlehelo ea electrolyte ka hare ho betri.Litlhoko tsa ts'ebetso ea li-separators tsa betri tsa lithium-ion li na le conductivity e phahameng ea electrolyte, khetho e ntle ea ion, botsitso bo botle ba mocheso, mochine o motle haholo. matla le ho feto-fetoha ha maemo, khanyetso e ntle ea lik'hemik'hale, ho hanyetsa ho tlaase le ho fokotseha ho fokolang.Litlhoko tsena tsa ts'ebetso li netefatsa polokeho ea betri, bophelo ba potoloho le matla a matla.
Nako ea poso: Sep-15-2023