Mekhoa ea ho qhaqha le ho e sebelisa hape ea lithium iron phosphate libetri? Har’a libeteri tsa lithium iron phosphate tse felisitsoeng, libeteri tse se nang bohlokoa bakeng sa tšebeliso ea litepisi le libeteri ka mor’a hore litepisi li sebelisoe li kena sethaleng sa disassembly le recycling. Libetri tsa Lithium iron phosphate li fapane le libeteri tsa ternary material ka hore ha li na litšepe tse boima ‘me li sebelisoa haholo ho tloha ho Li, P, le Fe. Boleng bo ekeditsweng ba dihlahiswa tse ntlafaditsweng bo tlase, mme ho hloka hore ho hlahisoe mekgwa ya ditjeho tse tlase tsa ho e sebedisa hape.

Mekhoa ea ho qhaqha le ho e sebelisa hape ea lithium iron phosphate libetri?

Har’a libeteri tsa lithium iron phosphate tse felisitsoeng, libeteri tse se nang boleng ba tšebeliso ea litepisi le libeteri ka mor’a hore litepisi li sebelisoe li kena sethaleng sa ho qhaqhoa le ho tsosolosa. Libetri tsa Lithium iron phosphate li fapane le libeteri tsa ternary material ka hore ha li na litšepe tse boima ‘me li sebelisoa haholo ho tloha ho Li, P, le Fe. Boleng bo ekeditsweng ba dihlahiswa tse ntlafaditsweng bo tlase, mme ho hloka hore ho hlahisoe mekgwa ya ditjeho tse tlase tsa ho e sebedisa hape. Haholo-holo ho na le mekhoa e ‘meli ea ho tsosolosa: mokhoa oa ho penta le mokhoa oa ho itloaetsa.

Betri ea lithium iron phosphate

Mokhoa oa ho taka mokhoa oa ho sebelisa hape

Mokhoa oa setso oa ho taka oa lithium iron phosphate battery d hangata ke ho chesa eleketrode ka mocheso o phahameng. The carbon le lintho tse phelang ka likhechana tsa eleketrode li chesoa, ‘me molora o sa cheng o setseng o hlahlojoa e le thepa e ntle ea phofo e nang le tšepe le li-oxide tsa tšepe. Mokhoa ona o na le mokhoa o bonolo, empa o na le ts’ebetso e telele ea ts’ebetso le tekanyo e tlaase ea ho hlaphoheloa ha oli le khase.

Theknoloji e ntlafalitsoeng ea ho hlaphoheloa ke ho tlosa sekhomaretsi sa organic ka calcination, le ho arola phofo ea lithium iron phosphate ho tloha foil ea aluminium ho fumana ntho ea lithium iron phosphate, ebe o eketsa palo e loketseng ea lisebelisoa tse tala ho fumana tekanyo e hlokahalang ea molar ea lithium, tšepe, le phosphorus. Synthesis ea lithium iron phosphate e ncha ka mokhoa o phahameng oa mocheso o tiileng oa mohato. Mabapi le litšenyehelo, litšila tsa lithium iron phosphate libetri li ka khutlisoa ka mokhoa o ntlafalitsoeng oa ho taka mokhoa o omileng oa ho fumana melemo, empa ho ea ka mokhoa ona oa ho tsosolosa, lithium iron phosphate e sa tsoa lokisoa e na le litšila tse ngata le ts’ebetso e sa tsitsang.

mokhoa o metsi oa ho tsosolosa

Ho hlaphoheloa ha metsi ha libeteri tsa lithium iron phosphate haholo-holo ho qhala li-ion tsa tšepe ka har’a betri ea lithium iron phosphate ka litharollo tsa acid-base, le ho ntša li-ion tsa tšepe tse qhibilihisitsoeng ho li-oxides, letsoai, joalo-joalo, ho sebelisa mekhoa e kang precipitation adsorption, le ho sebelisa H2SO4, NaOH in the reaction process , H2O2 le boholo ba li-reagents. Mokhoa oa ho tsosolosa o metsi o bonolo, litlhoko tsa thepa ha li phahame, ‘me li loketse tlhahiso ea tekanyo ea indasteri. Litsebi li ithutile mokhoa o tloaelehileng oa kalafo ea betri ea lithium-ion naheng ea China.

Ts’ebetso e kolobileng ea libeteri tsa lithium iron phosphate ke haholo-holo ho khutlisa hantle. Ha o sebelisa mokhoa oa metsi ho khutlisa lithium iron phosphate cathode, mokelli oa hona joale oa aluminium foil o tlameha ho qala ho aroloa ho tloha ho anode e sebetsang. E ‘ngoe ea mekhoa ke ho qhaqha moqokeleli oa hona joale ka lye, thepa e sebetsang ha e sebetsane le lye,’ me thepa e sebetsang e ka fumanoa ka ho hloekisa. Ea bobeli ke motsoako oa manyolo, o ka qhaqhang PVDF ea sekhomaretsi, o arola thepa ea lithium phosphate cathode ho tloha aluminium foil, ebe o sebelisa foil ea aluminium ho etsa ts’ebetso e latelang holim’a lintho tse sebetsang. The organic solvent ka recycled ka mor’a distillation. Ha ho bapisoa le mekhoa e ‘meli, e ‘meli e na le botsoalle haholoanyane tikolohong le e sireletsehileng haholoanyane. E ‘ngoe ea ho hlaphoheloa ha lithium iron phosphate ho anode ke tlhahiso ea lithium carbonate. Mokhoa ona oa ho tsosolosa o na le litšenyehelo tse tlaase ‘me o amoheloa ke lik’hamphani tse ngata tsa lithium iron phosphate recycling, empa karolo e ka sehloohong ea lithium iron phosphate (dikahare 95%) ha e sebelisoe hape, e leng se bakang tšenyo ea lisebelisoa.

Mokhoa o nepahetseng oa ho sebelisa metsi hape ke ho fetolela litšila tsa lithium iron phosphate cathode hore e be letsoai la lithium le iron phosphate ho hlokomela ho hlaphoheloa ha likarolo tsohle tsa Li, Fe, le P. Lithium iron phosphate e tlameha ho fetoloa letsoai la lithium le iron phosphate, le tšepe e nang le tšepe e tlameha ho tšeloa ka oxidized ho tšepe ea trivalent, ‘me lithium e tlameha ho tšeloa ka nale ea asiti kapa metsi a alkaline a inelang. Litsebi tse ling li ile tsa sebelisa oxidative calcination ho arola li-flakes tsa aluminium le lithium iron phosphate, ‘me tsa feta ka sulfuric acid ho arola phosphate ea tšepe e tala,’ me ea sebelisa tharollo e le sodium carbonate bakeng sa ho tlosa litšila ho fokotsa lithium carbonate.

Filtrate e fetoha mouoane ‘me e khabisoa ka anhydrous sodium sulfate e le sehlahisoa. Crude iron phosphate e ka boela ea hloekisoa bakeng sa phosphate ea tšepe ea boemo ba betri mme ea sebelisoa ho lokiseng lisebelisoa tsa lithium iron phosphate. Ka mor’a lilemo tsa lipatlisiso, mokhoa ona o se o hōlile haholoanyane.