Dab tsi yog qhov zoo ntawm lub zog cia roj teeb?

Txoj kev ntawm Tuam Tshoj lub zog cia kev lag luam - electrochemical zog cia: Tam sim no, cov khoom siv cathode ntawm lithium roj teeb feem ntau suav nrog lithium cobalt oxide (LCO), lithium manganese oxide (LMO), lithium hlau phosphate (LFP) thiab cov ntaub ntawv ternary.Lithium cobaltate yog thawj cov khoom lag luam cathode nrog high voltage, high kais ntom ntom, ruaj khov qauv thiab kev nyab xeeb zoo, tab sis tus nqi siab thiab muaj peev xwm tsawg.Lithium manganate muaj tus nqi qis thiab siab voltage, tab sis nws lub voj voog kev ua haujlwm tsis zoo thiab nws lub peev xwm kuj tsawg.Lub peev xwm thiab tus nqi ntawm cov ntaub ntawv ternary sib txawv raws li cov ntsiab lus ntawm nickel, cobalt thiab manganese (ntxiv rau NCA).Lub zog tag nrho yog siab dua li ntawm lithium hlau phosphate thiab lithium cobaltate.Lithium hlau phosphate muaj tus nqi qis, kev ua haujlwm zoo caij tsheb kauj vab thiab kev nyab xeeb zoo, tab sis nws lub platform hluav taws xob tsawg thiab nws cov compaction ceev yog tsawg, uas ua rau tsis tshua muaj zog tag nrho.Tam sim no, lub hwj chim sector yog dominated los ntawm ternary thiab lithium hlau, thaum lub sector noj yog ntau lithium cobalt.Cov ntaub ntawv tsis zoo electrode tuaj yeem muab faib ua cov ntaub ntawv carbon thiab cov ntaub ntawv tsis-carbon: cov khoom siv carbon muaj xws li cov khoom siv graphite, ntuj graphite, mesophase carbon microspheres, cov pa roj carbon monoxide, cov pa roj carbon monoxide, thiab lwm yam;Cov ntaub ntawv uas tsis yog carbon muaj xws li lithium titanate, silicon-raws li cov ntaub ntawv, tin-raws li cov ntaub ntawv, thiab lwm yam. Natural graphite thiab dag graphite yog tam sim no siv dav tshaj plaws.Txawm hais tias ntuj graphite muaj qhov zoo ntawm tus nqi thiab lub peev xwm tshwj xeeb, nws lub neej voj voog qis thiab nws qhov tsis zoo;Txawm li cas los xij, cov khoom ntawm cov khoom siv graphite yog qhov sib npaug, nrog rau kev ua haujlwm zoo thiab kev sib raug zoo nrog electrolyte.Artificial graphite feem ntau yog siv rau cov roj teeb loj loj thiab cov neeg siv khoom siv roj teeb lithium, thaum lub ntuj graphite feem ntau yog siv rau cov roj teeb lithium me me thiab cov neeg siv khoom siv lithium roj teeb.Cov khoom siv silicon-raws li hauv cov ntaub ntawv tsis-carbon tseem nyob rau hauv cov txheej txheem ntawm kev tshawb fawb thiab kev loj hlob tsis tu ncua.Lithium roj teeb separators tuaj yeem muab faib ua cov khoom sib cais qhuav thiab cov khoom ntub dej cais raws li cov txheej txheem tsim khoom, thiab cov txheej txheem ntub dej ntub dej sib cais yuav yog qhov sib txawv loj.Cov txheej txheem ntub dej thiab cov txheej txheem qhuav muaj lawv tus kheej zoo thiab qhov tsis zoo.Cov txheej txheem ntub dej muaj qhov me me thiab cov pore loj thiab cov yeeb yaj kiab thinner, tab sis cov peev txheej loj, cov txheej txheem nyuaj, thiab ib puag ncig muaj kuab paug loj.Cov txheej txheem qhuav yog qhov yooj yim, tus nqi siab ntxiv thiab ib puag ncig tus phooj ywg, tab sis qhov pore loj thiab porosity yog qhov nyuaj rau kev tswj thiab cov khoom yog qhov nyuaj rau nyias.

Txoj kev ntawm Tuam Tshoj lub zog cia kev lag luam - electrochemical zog cia: lead acid roj teeb lead acid roj teeb (VRLA) yog lub roj teeb uas nws cov electrode yog tsim los ntawm txhuas thiab nws cov oxide, thiab cov electrolyte yog sulfuric acid tov.Nyob rau hauv lub xeev tus nqi ntawm txhuas-acid roj teeb, lub ntsiab tivthaiv ntawm qhov zoo electrode yog lead dioxide, thiab lub ntsiab ntawm cov tsis zoo electrode yog txhuas;Nyob rau hauv lub xeev tawm, lub ntsiab Cheebtsam ntawm qhov zoo thiab tsis zoo electrodes yog lead sulfate.Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm txhuas-acid roj teeb yog tias cov roj ntsha lead-acid yog ib hom roj teeb uas muaj cov pa roj carbon dioxide thiab spongy hlau lead ua cov khoom zoo thiab tsis zoo raws li cov tshuaj sulfuric acid raws li electrolyte.Qhov zoo ntawm cov roj lead-acid roj teeb yog cov khoom lag luam uas paub tab, siv kev nyab xeeb, kev saib xyuas yooj yim, tus nqi qis, kev pab lub neej ntev, ruaj khov zoo, thiab lwm yam. Qhov tsis zoo yog qeeb them ceev, tsis tshua muaj zog ceev, lub neej luv luv, yooj yim ua rau muaj kuab paug. , thiab lwm yam. Cov roj teeb uas siv lead ua kua qaub yog siv los ua cov khoom siv hluav taws xob standby hauv kev sib txuas lus, hnub ci zog, hluav taws xob hloov hluav taws xob, cov khoom siv sib txuas lus, cov khoom siv hluav taws xob me me (UPS, ECR, computer backup systems, thiab lwm yam), cov khoom siv thaum muaj xwm ceev, thiab lwm yam. thiab raws li cov khoom siv hluav taws xob tseem ceeb hauv cov khoom siv sib txuas lus, hluav taws xob tswj locomotives (cov tsheb thauj khoom, tsheb thauj mus los tsis siv neeg, tsheb hluav taws xob), cov cuab yeej siv hluav taws xob pib (drills tsis siv neeg, hluav taws xob tsav tsheb, hluav taws xob sledges), cov cuab yeej siv hluav taws xob / khoom siv, lub koob yees duab, thiab lwm yam.

Txoj kev kev lag luam ntawm Tuam Tshoj lub zog cia kev lag luam - hluav taws xob hluav taws xob cia: cov roj teeb ua kua dej thiab sodium sulfur roj teeb ua kua roj teeb yog ib hom roj teeb uas tuaj yeem khaws hluav taws xob thiab tawm hluav taws xob los ntawm cov tshuaj tiv thaiv hluav taws xob ntawm cov hluav taws xob soluble ntawm lub inert electrode.Cov qauv ntawm cov kua dej ntws roj teeb monomer suav nrog: zoo thiab tsis zoo electrodes;Lub electrode chamber ncig los ntawm ib lub diaphragm thiab ib lub electrode;Electrolyte tank, twj tso kua mis thiab pipeline system.Liquid-flow roj teeb yog cov khoom siv hluav taws xob hluav taws xob hluav taws xob uas tuaj yeem paub txog kev sib koom ua ke ntawm hluav taws xob hluav taws xob thiab hluav taws xob hluav taws xob los ntawm oxidation-txo cov tshuaj tiv thaiv ntawm cov kua ua kua, yog li paub txog kev cia thiab tso tawm hluav taws xob.Muaj ntau hom subdivided thiab cov txheej txheem tshwj xeeb ntawm cov roj teeb ua kua.Tam sim no, tsuas muaj plaub yam ntawm cov kua ntws roj teeb uas tau kawm tiag tiag hauv qhov tob hauv ntiaj teb, suav nrog tag nrho-vanadium kua ntws roj teeb, zinc-bromine kua ntws roj teeb, hlau-chromium kua ntws roj teeb thiab sodium polysulfide / bromine kua. roj teeb ntws.Lub roj teeb sodium-sulfur yog tsim los ntawm cov hluav taws xob zoo, tsis zoo electrode, electrolyte, diaphragm thiab plhaub, uas txawv ntawm cov roj teeb nruab nrab (cov roj teeb lead-acid, nickel-cadmium roj teeb, thiab lwm yam).Lub roj teeb sodium-sulfur yog tsim los ntawm molten electrode thiab khoom electrolyte.Cov khoom nquag ntawm cov electrode tsis zoo yog molten hlau sodium, thiab cov khoom siv ntawm cov electrode zoo yog kua sulfur thiab molten sodium polysulfide ntsev.Lub anode ntawm sodium-sulfur roj teeb yog tsim los ntawm cov kua sulfur, lub cathode yog tsim los ntawm cov kua sodium, thiab beta-aluminium raj ntawm cov khoom siv ceramic yog sib cais hauv nruab nrab.Kev khiav hauj lwm kub ntawm lub roj teeb yuav tsum tau khaws cia siab tshaj 300 ° C kom cov electrode nyob rau hauv lub molten lub xeev.Txoj hauv kev ntawm Tuam Tshoj lub zog cia kev lag luam - roj cell: hydrogen zog cia cell hydrogen roj cell yog ib qho cuab yeej uas ncaj qha hloov cov tshuaj zog ntawm hydrogen rau hauv hluav taws xob.Lub hauv paus ntsiab lus yog tias hydrogen nkag mus rau hauv lub anode ntawm roj cell, decomposes rau hauv cov pa roj protons thiab electrons nyob rau hauv qhov kev txiav txim ntawm catalyst, thiab cov hydrogen protons tsim dhau los ntawm cov proton exchange membrane mus txog lub cathode ntawm cov roj cell thiab ua ke nrog oxygen rau tsim dej, Cov electrons ncav cuag lub cathode ntawm cov roj cell los ntawm ib tug sab nraud Circuit Court los tsim ib tug tam sim no.Qhov tseem ceeb, nws yog ib qho khoom siv hluav taws xob hluav taws xob tsim hluav taws xob.Kev lag luam loj ntawm lub ntiaj teb lub zog cia kev lag luam - lub peev xwm tshiab ntawm lub zog cia kev lag luam tau nce ob npaug - kev lag luam loj ntawm lub ntiaj teb lub zog cia kev lag luam - lithium-ion roj teeb tseem yog lub ntsiab ntawm lub zog cia - lithium-ion roj teeb muaj. Qhov zoo ntawm kev ua hluav taws xob siab, siab hloov zuj zus, cov lus teb tau yooj yim, thiab tam sim no lub siab tshaj plaws ntawm kev teeb tsa muaj peev xwm rau kev tso tseg.Raws li daim ntawv dawb ntawm kev txhim kho ntawm Tuam Tshoj txoj kev lag luam roj teeb lithium-ion (2022) sib koom ua ke los ntawm EVTank thiab Ivy Institute of Economics.Raws li cov ntaub ntawv ntawm daim ntawv dawb, xyoo 2021, lub ntiaj teb tag nrho cov khoom xa tuaj ntawm lithium ion roj teeb yuav yog 562.4GWh, nce ntxiv ntawm 91% xyoo rau xyoo, thiab nws feem hauv lub ntiaj teb tshiab lub zog cia kev teeb tsa tseem yuav ntau dua 90%. .Txawm hais tias lwm cov ntaub ntawv ntawm lub zog cia xws li vanadium-flow roj teeb, sodium-ion roj teeb thiab compressed cua kuj tau pib tau txais ntau thiab ntau dua nyob rau hauv xyoo tas los no, lithium-ion roj teeb tseem muaj txiaj ntsig zoo ntawm kev ua haujlwm, nqi thiab kev lag luam.Nyob rau hauv lub sij hawm luv luv thiab nruab nrab, lithium-ion roj teeb yuav yog lub ntsiab ntawm lub zog cia nyob rau hauv lub ntiaj teb no, thiab nws cov kev faib ua feem nyob rau hauv lub tshiab zog cia installation yuav nyob twj ywm nyob rau hauv siab.

Longrun-zog tsom mus rau kev ua haujlwm ntawm lub zog cia thiab sib koom ua ke ntawm cov khoom siv hluav taws xob sib txuas ua ke los muab cov khoom siv hluav taws xob khaws cia rau tsev neeg thiab kev lag luam thiab kev lag luam, suav nrog kev tsim, kev cob qhia sib dhos, kev lag luam kev daws teeb meem, kev tswj hwm, kev tswj hwm, kev ua haujlwm thiab kev saib xyuas, thiab lwm yam. . Nrog ntau xyoo ntawm kev koom tes nrog cov tuam txhab paub zoo roj teeb thiab cov tuam txhab inverter, peb tau sau cov cuab yeej technology thiab kev txhim kho los tsim kom muaj kev sib koom ua ke ntawm cov khoom siv sib txuas.