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Betri ea lithium-ion ea graphene

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Betri ea lithium-ion ea graphene

2024-04-29 15:47:33

Libetri tsa lithium-ion li na le melemo ea matla a maholo, bophelo ba nako e telele, 'me ha ho na mohopolo. Li fetohile betri e khethiloeng bakeng sa lihlahisoa tsa elektronike tsa bareki lefatšeng ka bophara le betri e tloaelehileng bakeng sa likoloi tse ncha tsa matla.Matla a matla a matla le ho tjhaja ka potlako ke mekhoa e ke keng ea qojoa ho nts'etsopele ea lihlahisoa tsa lithium betri. Ho eketsa li-conductive agents ho lisebelisoa tse ntle tsa electrode ke mokhoa o atlehang oa ho ntlafatsa ts'ebetso ea libeteri tsa lithium.


E ka eketsa haholo thepa ea conductive ea li-electrode tse ntle le tse mpe, ea eketsa matla a matla a betri, 'me ea fokotsa khanyetso. , eketsa lebelo la deintercalation le ho kenya li-ion tsa lithium, ho ntlafatsa haholo tefiso ea lebelo la betri le ts'ebetso ea ho ntša, le ho ntlafatsa ts'ebetso ea ho tjhaja ka potlako ea likoloi tsa motlakase.Seo ho thoeng ke graphene betri ha e entsoe ka thepa ea graphene ho pholletsa le betri, empa e sebelisa graphene. lintho tse ka har'a li-electrode tsa betri.

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Ka khopolo, li-electrode tsa graphene li ka 'na tsa e-ba le matla a mabeli a matla a graphite. Ho phaella moo, haeba graphene le carbon black li kopantsoe 'me li eketsoa e le li-additives tse tsamaisang libeteri tsa lithium, ho hanyetsa ka hare ho betri ho ka fokotsoa ka katleho,' me tefiso ea tekanyo ea betri le tefiso. ts'ebetso ea ho lahla le bophelo ba potoloho bo ka ntlafatsoa.

Ho feta moo, ho kobeha ha betri ha ho na phello ho ts'ebetso ea ho tjhaja le ho ntša, kahoo li-electrode li entsoe ka graphite. Ka mor'a lisebelisoa tsa graphene, betri e na le tefiso e phahameng le sekhahla sa ho tsoa, ​​ke ka lebaka leo libeteri tsa graphene li tjhajang kapele.


Ha e sebelisoa ka libeteri tsa lithium, graphene e na le mesebetsi e 'meli e meholo: e' ngoe ke conductive agent, 'me e' ngoe ke electrode lithium-embedded material.Likopo tse peli tse ka holimo li hlōlisana le carbon conductive / graphite ea setso.Hona joale, ho na le mefuta e meraro e meholo. ea ho eketsa graphene ho libeteri tsa lithium: li-additives tsa conductive, lisebelisoa tsa motsoako oa electrode, le ka ho toba e le lisebelisoa tse mpe tsa electrode. Hajoale, theknoloji ea lipatlisiso le nts'etsopele ea li-graphene conductive agents e batla e holile.