Cov iav carbon electrode ua los ntawm nano oxide muaj ntau yam ntxwv, xws li kev ruaj ntseg zoo ntawm cov roj teeb, siab conductivity, siab purity, tsis muaj roj hauv electrode Essence.Ib qho yooj yim deg regeneration, me me hydrogen thiab oxygen muaj peev xwm, pheej yig tus nqi, thiab lwm yam. Txawm li cas los xij, cov no feem ntau hais, yog li dab tsi yog qhov tshwj xeeb ntawm magnesium oxide hauv lithium roj teeb?
Ua ntej tshaj plaws, xaiv 10-100g / L txoj kab uas hla ntawm 10-100g / L txoj kab uas hla ntawm 0.05-10 μm ntawm TiO2, SiO2, Cr2O3, ZrO2, CeO2, Fe2O3, BaSO, SiC, MgO thiab lwm yam insoluble khoom particles;Cov ntaub ntawv ua lithium ions muaj cov yam ntxwv ntawm kev them nyiaj zoo thiab kev ua haujlwm tawm, muaj peev xwm ntau dua, thiab kev ua haujlwm ruaj khov.
Thib ob, cov khoom siv roj teeb lithium zoo, nano-magnesium oxide ua cov khoom siv hluav taws xob, tsim magnesium doped lithium hlau manganese phosphate los ntawm kev kho cov laj thawj, thiab ntxiv cov qauv nano-cov qauv ntawm cov khoom zoo electrode.Nws lub peev xwm tawm mus txog 240mAh / g.Hom tshiab ntawm cov khoom siv hluav taws xob zoo no muaj cov yam ntxwv ntawm lub zog siab, kev nyab xeeb, thiab tus nqi qis.Nws yog tsim rau cov kua thiab colloidal lithium-ion roj teeb, me me thiab nruab nrab-sized polymers, tshwj xeeb tshaj yog rau high-power fais fab roj teeb.
Tom qab ntawd, lub peev xwm thiab lub voj voog kev ua haujlwm ntawm spinel manganate lithium roj teeb tau ua kom zoo dua.Nyob rau hauv lithium ion roj teeb electrolyte nrog spinel lithium manganate ua cov khoom zoo, nano-magnesium oxide yog ntxiv rau deacidifier kom tshem tawm cov kua qaub, qhov ntxiv yog 0.5-20% ntawm qhov hnyav ntawm electrolyte.Los ntawm deacidizing cov electrolyte, cov ntsiab lus ntawm cov kua qaub dawb HF hauv cov electrolyte raug txo kom tsawg dua 20ppm, uas txo qhov kev sib cais ntawm HF rau LiMn2O4, thiab txhim kho lub peev xwm thiab kev ua haujlwm ntawm LiMn2O4.
Thaum kawg, nyob rau hauv thawj kauj ruam, nano magnesium oxide raws li ib tug pH regulator yog tov nrog ib tug alkali tov thiab ammonia tov raws li ib tug complexing neeg sawv cev, thiab ntxiv rau ib tug tov aqueous tov uas muaj cobalt thiab nickel ntsev rau co-precipitate Ni-CO complex hydroxides. .
Cov kauj ruam thib ob yog ntxiv lithium hydroxide rau Ni-CO composite hydroxide, thiab kev kho cua sov sib tov ntawm 280-420 ° C.
Nyob rau hauv lub thib peb kauj ruam, cov khoom generated nyob rau hauv lub thib ob kauj ruam yog tshav kub kho nyob rau hauv ib puag ncig ntawm 650-750 ° C, uas yog txuam nrog rau lub sij hawm ntawm co-te los nag.Qhov nruab nrab ntawm qhov loj me ntawm lithium composite oxide txo qis los yog qhov ntom ntom ntau ntxiv.Thaum lithium composite oxide yog siv los ua cov khoom siv anode, lub peev xwm loj lithium ion thib ob tuaj yeem tau txais, thiab qhov tseeb ntawm magnesium oxide yog raws li cov qauv tshwj xeeb.
Post lub sij hawm: Jan-10-2023