A cikin tsarin kiristanci na Lifepo4, atom ɗin iskar oxygen yana tara sosai a cikin ƙungiyoyi shida.PO43-tetraonal da FEO6 octopus sun zama kwarangwal na sararin samaniya na crystal.LI da Fe sun mamaye rata tsakanin dorinar ruwa, kuma P sun mamaye tazarar tetraonal.FE ta mamaye wuri gama gari na dorinar ruwa, kuma li ta mamaye gefen gama gari na dorinar.An haɗa FEO6 octopus da juna a kan BC surface na crystal, da kuma Li6 octopus tsarin a kan B -axis shugabanci an haɗa a cikin wani tsarin sarkar.1 Feo6 octopus da 2 LiO6 octopus da 1 PO43-tetraonal co-gefen.
Saboda katsewar cibiyar sadarwa ta FEO6 co-gefen octopus, ba za a iya samar da wutar lantarki ba;a lokaci guda, PO43-tetraon yana iyakance ga canjin ƙararrawa na lattice, wanda ke rinjayar rashin ruwa da watsawar lantarki na LI +, wanda ke haifar da haɓakar lantarki da ion watsawa na LIFEPO4 kayan abu mai kyau da kuma yaduwar ion.Ingancin yana da ƙasa sosai.
Ka'idar fiye da batirin Lifepo4 ya fi girma (kimanin 170mAh/g), kuma dandamalin fitarwa shine 3.4V.LI + Retinate da iko tsakanin tabbatacce da korau bipolar don aiwatar da caji da fitarwa, kuma oxidation dauki yana faruwa yayin caji.Li + yana motsawa daga madaidaicin sandar, an saka shi a cikin madaidaicin sandar ta hanyar electrolyte, kuma baƙin ƙarfe ya canza daga Fe2+ zuwa Fe3+, kuma yanayin iskar oxygen ya faru.
Gefen hagu na baturi phosphate na lithium baƙin ƙarfe shine tabbataccen lantarki wanda ya ƙunshi kayan lifpo4 na tsarin zaitun, wanda aka haɗa da ingantaccen lantarki na baturi tare da foil na aluminum.A hannun dama akwai na'urar lantarki mara kyau na baturin da ke kunshe da carbon (graphite), wanda ke da alaƙa da mummunan lantarki na foil na jan karfe tare da baturi.A tsakiya akwai diaphragm na polymer, wanda ke raba ingantacciyar wutar lantarki daga mummunan lantarki.Ions lithium na iya zama electrons ta cikin diaphragm kuma ba za su iya wuce diaphragm ba.Ana cajin baturin da electrolytes, kuma baturin yana kewaye da harsashi na ƙarfe.
Amsar caji da fitarwa na batir phosphate na lithium baƙin ƙarfe yana tsakanin Lifepo4 da FEPO4.Yayin aiwatar da caji, LIFEPO4 a hankali ya rabu da lithium ion don samar da FEPO4.Yayin aiwatar da fitarwa, ion lithium ya sanya FEPO4 don samar da LIFEPO4.
Yayin cajin baturi, ions lithium suna ƙaura daga lu'ulu'u na baƙin ƙarfe phosphate zuwa saman crystal.Karkashin tasirin wutar lantarki, shigar da electrolyte, sannan ku wuce ta diaphragm, sannan ku yi ƙaura zuwa saman kristal ɗin graphite ta hanyar electrolyte, sa'an nan kuma a saka a cikin lattice na graphite.
A lokaci guda kuma, na'ura mai ɗaukar hoto mai ɗaukar hoto na aluminum yana gudana zuwa ga ingantacciyar lantarki, kuma mai tattara bayanan tagulla yana gudana ta cikin kunn sandar, ginshiƙin tabbataccen baturi, da'ira na waje, ginshiƙin lantarki mara kyau, da kunnuwa mara kyau ga batirin na'urar lantarki mara kyau, kuma sa'an nan gudana zuwa litteria korau electrode , Yi mummunan cajin lantarki don daidaitawa.Lithium ions ana canza su zuwa baƙin ƙarfe phosphate bayan lithium iron phosphate dehydrated.
Lokacin da baturi ya cika, ana cire ions lithium daga kristal graphite, a shigar da electrolyte, sannan a wuce ta diaphragm, a yi ƙaura zuwa saman lithium iron phosphate ta hanyar electrolyte, sannan a sake saka shi a cikin latch na lithium. irin phosphate.
A lokaci guda kuma, mai tattara foil ɗin tagulla yana gudana zuwa na'urorin lantarki mara kyau na meridian na lantarki, ta hanyar mai tattara foil ɗin aluminum na foil ɗin aluminium na kunnen iyakacin duniya, ginshiƙi mara kyau na baturi, da'ira na waje, ginshiƙi mai kyau, kuma tabbataccen kunnen iyaka ga baturi.Sanduna masu kyau na lithium suna sa ingantaccen caji ya kai ma'auni.Ana shigar da ions lithium bayan lu'ulu'u na phosphate na baƙin ƙarfe, kuma baƙin ƙarfe phosphate yana jujjuya shi zuwa lithium baƙin ƙarfe phosphate.
Lokacin aikawa: Agusta-07-2023