Los ntawm Lub Yim Hli 24 txog rau 26, Carbon Neutral Energy Summit Forum thiab 3rd China International New Energy Storage Technology thiab Engineering Application Conference thiab New Energy Storage Technology Young Scientist Forum tau tuav hauv Shenzhen raws li kev taw qhia ntawm Shenzhen Development thiab Reform Commission, co. -organized los ntawm Tuam Tshoj Chemical and Physical Power Industry Association thiab Southern University of Science thiab Technology Carbon Neutral Energy Research Institute, thiab txhawb nqa los ntawm ntau tshaj 100 lub koom haum. Lub ntsiab lus ntawm lub rooj sib tham yog "Tsim kev tsim khoom tshiab thiab txhawb kev tsim kho kom zoo ntawm lub zog cia kev lag luam."
Cov koom haum ntawm lub rooj sib tham tau caw 6 tus kws tshaj lij thiab 100 tus kws tshaj lij kev lag luam los ua qhov kev sib tham tob thiab sib pauv ntawm 12 lub rooj sib tham tshwj xeeb, suav nrog cov kev sib koom ua ke tshiab ntawm lub zog cia, kev siv hluav taws xob mus sij hawm ntev thiab kev siv hluav taws xob, cov chaw tsim hluav taws xob, kev lag luam thiab kev lag luam. cia, tshiab zog cia roj teeb, tshiab zog cia thiab hluav taws xob kev lag luam, ntse microgrids, lub zog cia cov qauv txhawb nqa, thiab tshiab zog cia technology cov tub ntxhais hluas zaum rooj sab laj.
Thaum sawv ntxov ntawm Lub Yim Hli 25, Xib Fwb Ning Xiaohui los ntawm Lub Tsev Kawm Ntawv ntawm Cov Khoom Siv Science thiab Engineering ntawm Xi'an Jiaotong University tau raug caw los hais lus tseem ceeb ntawm "Tshiab Zog Cia Roj Teeb Tshwj Xeeb". Lub npe ntawm tsab ntawv ceeb toom yog "Kev nce qib hauv Cov Khoom Siv Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Tshiab".
Nyob zoo sawv ntxov, sawv daws! Kuv yog Ning Xiaohui los ntawm Xi'an Jiaotong University. Piv nrog cov roj teeb sodium-ion uas xibfwb Cao nyuam qhuav tham txog thiab cov roj teeb ntws uas xibfwb Yan tau qhia, peb cov thev naus laus zis yog niche heev. Nws yog hu ua hom tshiab ntawm cov kua hlau lub zog cia roj teeb. Peb cov khoom tau raug txhais ntau dua li cov hlau ua kua. Lub roj teeb no txawv ntawm lithium-ion roj teeb, roj teeb ntws, thiab sodium-ion roj teeb siv hauv koj lub xov tooj ntawm tes. Nws yog lub roj teeb kub kub. Ua tsaug ntau rau lub sijhawm los qhia txog kev nce qib ntawm peb pawg tshawb fawb hauv cheeb tsam no.
Cov keeb kwm yav dhau thiab qhov tseem ceeb tau qhia los ntawm txhua tus kws qhia tam sim no. Lub ntsiab lus tseem ceeb yog tias tam sim no cov pa roj carbon ncov thiab cov hom phiaj carbon neutrality xav kom peb hloov peb lub zog. Los ntawm cov qauv hluav taws xob tam sim no dominated los ntawm fossil zog mus rau yav tom ntej qauv dominated los ntawm lub zog tshiab. Qhov kev hloov pauv no xav tau ntau dua rau cov phiaj xwm hluav taws xob hluav taws xob, vim tias peb daim phiaj hluav taws xob tam sim no yog raws li lub zog thermal, suav nrog hydropower thiab nuclear zog. Peb lub zog hluav taws xob no ruaj khov heev thiab tuaj yeem tswj tau los tsim hluav taws xob. Ntawm sab kev siv hluav taws xob, kev cai lij choj ntawm kev siv hluav taws xob hauv peb cov chaw tsim khoom thiab tsev neeg tau txais txiaj ntsig. Tam sim no peb tuaj yeem ua tau raws li qhov sib npaug ntawm qhov sib npaug ntawm lub zog tsim hluav taws xob thiab sab siv hluav taws xob los ntawm Lub Xeev Grid thiab Southern Power Grid, loj-loj kis tau tus mob thiab kev faib tawm thiab kev xa tawm loj. Tab sis nyob rau hauv lub neej yav tom ntej, peb yuav tsum hloov peb lub zog qauv. Cua zog thiab photovoltaic zog yuav tsum tau ntxiv rau lub zog tsim sab. Txhua leej txhua tus paub hais tias lub zog no yog volatile heev thiab random. Yog li tom qab ntxiv nws mus rau lub zog tsim hluav taws xob sab, sab no kuj yuav hloov pauv tau zoo heev, thiab nrog kev hloov pauv ntau ntxiv hauv cov neeg siv ntawm microgrid fais fab noj sab xws li lub tsheb fais fab thiab lub zog tshiab, qhov randomness thiab uncontrollability ntawm cov neeg siv sab yuav ua. ntau thiab nyuaj. Nyob rau hauv cov ntaub ntawv no, loj-scale hwj chim cia technology tseem ceeb heev rau peb.
Raws li koj tau pom, nyob rau hauv "14th Tsib Xyoo Plan" tshiab lub zog cia kev tsim kho txoj kev npaj, peb lub National Development thiab Reform Commission thiab Energy Bureau kuj tau hais meej meej tias lawv vam tias yuav tsim kom muaj lub zog tshiab rau kev khaws cia lub zog tshiab thiab nce kev loj hlob. ntawm diversified technologies. Nyob rau hauv cov ntsiab lus no, peb lub niche zog cia tshuab muaj ib chav me me kom muaj sia nyob.
Yog tias peb xav ua lub zog cia roj teeb, peb yuav tsum ua qee qhov kev tsim kho tshiab thiab tso tseg qee cov tswv yim tsim yav dhau los. Peb yuav tsum nrhiav qee cov khoom siv hluav taws xob tshiab thiab tsim qee cov qauv roj teeb tshiab ua ntej peb tuaj yeem tuaj nrog qee cov khoom siv hluav taws xob tshiab.
Kuv tus kws cob qhia yav dhau los ntawm MIT, xibfwb Sadoway, tau siv los ua haujlwm hauv metallurgy, thiab nws tau ntxim nyiam los ntawm txhuas electrolysis hlwb. Cov hlau ntawm Napoleon lub kaus mom yog ua los ntawm txhuas, ib yam li cov hlau ntawm lub taub hau ntawm Washington Monument . Aluminium yog kim heev thaum lub sij hawm, tab sis tom qab tau tsim los ntawm electrolysis, txhuas tau pheej yig heev thiab nkag mus rau ntau txhiab tsev neeg, yog li nws tau fascinated los ntawm txhuas electrolysis technology.
Cov txheej txheem electrolysis yog cov txheej txheem rov qab ntawm cov roj teeb uas peb siv tam sim no. Peb cov txheej txheem electrolysis feem ntau hloov hluav taws xob hluav taws xob rau hauv hluav taws xob hluav taws xob, thaum lub roj teeb hloov hluav taws xob hloov hluav taws xob rau hauv hluav taws xob. Lub hauv paus ntsiab lus ntawm electrolysis yog siv thaum lub roj teeb raug them. Aluminium electrolysis cell yog loj heev, ntau pua meters ntev, thiab nws siv hluav taws xob ntau heev. Nws yog 500, 000 ampere 4 volt system, thiab nws siv hluav taws xob ntau txhua hnub. Lub sijhawm ntawd, ib qho ntawm peb cov tswv yim tseem ceeb tshaj plaws yog thim rov qab cov txheej txheem electrolysis thiab tig cov khoom siv hluav taws xob mus rau hauv cov khoom siv hluav taws xob, tig lawv mus rau hauv lub roj teeb loj los khaws lub zog. Yuav ua li cas? Peb xav txog cov txheej txheem ntawm txhuas electrolysis refining, cov txheej txheem ntawm electrochemical refining los ntawm crude txhuas mus rau refined txhuas, siv ib tug peb-txheej kua qauv, hauv qab yog crude txhuas, thiab cov electrolyte nyob rau hauv nruab nrab yog ib tug molten ntsev system, zoo ib yam li. lub rooj ntsev peb pom hauv lub neej niaj hnub. Cov khoom no yuav yaj ntawm qhov kub thiab txias thiab ua kua zoo ib yam li dej, uas tuaj yeem ua ions, yog li cov electrolyte yog molten ntsev, thiab sab saum toj tuaj yeem tau txais cov khoom siv txhuas zoo. Vim li cas peb cov ntaub ntawv ua kua tuaj yeem tsim tau? Vim tias qhov ntom ntawm peb cov khoom sib txawv, lawv tau muab faib ua peb txheej: sab sauv, nruab nrab thiab qis. Ntxiv mus, cov txheej txheem electrolysis ua haujlwm ntawm qhov kub thiab txias tuaj yeem hla cov dej ntws loj.
Nrog rau cov kev xav no, peb xav tsis thoob yog tias peb tuaj yeem siv lub hauv paus ntsiab lus ntawm aluminium electrolytic refining los tsim lub roj teeb peb txheej, roj teeb ua kua. Peb cov ntaub ntawv ntawm cov roj teeb hlau ua kua, qhov zoo electrode, cov khoom tsis zoo electrode thiab cov khoom siv electrolyte, muaj qhov sib txawv, yog li lawv tuaj yeem muab faib ua peb txheej: sab sauv, nruab nrab thiab qis. Cov hlau lub teeb tshaj plaws yog nyob rau sab saum toj, uas yog qhov tsis zoo electrode ntawm lub roj teeb, thiab cov hlau uas muaj qhov ceev tshaj plaws yog nyob rau hauv qab, uas yog qhov zoo electrode ntawm lub roj teeb. Hauv nruab nrab yog molten ntsev system. Thaum lub roj teeb tawm, qhov tsis zoo electrode yuav dhau los ua ions, diffuse mus rau saum npoo ntawm qhov zoo electrode los ntawm electrolyte molten ntsev, thiab tsim ib qho alloy; kev them nyiaj yog cov txheej txheem rov qab. Thaum lub sij hawm them thiab tshem tawm cov txheej txheem, nws tsuas yog qhov kev hloov pauv ntawm qhov ntim ntawm cov khoom siv hluav taws xob ua kua, thiab tsis muaj teeb meem ntawm cov qauv ntawm cov khoom siv los yog kev sib tsoo ntawm cov khoom siv. Yog li hauv txoj kev xav, nws lub voj voog lub neej tuaj yeem ntev heev. Cov hlau ua kua siv cov hlau tsis tshua muaj nqi nrog cov nyiaj ntau heev, yog li tus nqi kuj tsawg. Nyob rau tib lub sij hawm, cov electrolyte nyob rau hauv nruab nrab yog ua los ntawm inorganic molten ntsev, uas tsis yuav tsum tau ib tug diaphragm thiab muaj ib tug kuj tsis tshua muaj nqi. Tsis tas li ntawd, nws muaj ionic conductivity heev ntawm qhov kub thiab txias. Ntxiv mus, cov txheej txheem ua kua peb txheej yog yooj yim heev thaum lub roj teeb ua kom loj, yog li nws yooj yim heev los ua ib lub hlwb nrog ntau pua ampere teev. Peb lub chaw kuaj mob tuaj yeem ua cov roj teeb uas muaj peev xwm ntau tshaj 200 ampere teev. Qhov teeb meem tsuas yog tias nws yog qhov kub thiab txias, yog li nws yuav tsum tau ua kom sov thaum nws khiav thawj zaug. Txawm li cas los xij, tom qab peb ntim cov roj teeb thiab ua haujlwm zoo dua ntawm cov rwb thaiv tsev, cov cua kub ntau yuav raug tsim thaum lub sij hawm them nyiaj thiab tawm cov txheej txheem, uas tuaj yeem ua tiav qhov sib npaug nrog cov cua sov, txaus los tswj cov kua hlau roj teeb khiav ntawm. xws li qhov kub thiab txias, yog li nws tuaj yeem ua rau nws tus kheej cua sov.
Raws li koj tuaj yeem pom los ntawm daim duab ntawm no, txhawm rau ua kom txhua tus neeg nkag siab lub tswv yim ntawm cov roj teeb hlau ua kom pom tseeb dua, peb tau tsim lub chav ntsuas kub ua kua roj teeb Demo hauv chav kuaj. Tau kawg, nws tsis tuaj yeem siv rau hauv kev xyaum vim nws qhov zoo electrode siv cov tshuaj lom mercury hlau. Peb tsim lub roj teeb no kom txhua tus tuaj yeem pom cov qauv ua kua peb txheej kom meej meej. Lub roj teeb no muaj qhov hluav taws xob thiab tuaj yeem them tau yooj yim thiab tawm, tab sis qhov kev ua tau zoo tsis zoo dua li ntawm peb cov roj teeb ua haujlwm kub kub. Nws tsuas yog kom txhua tus nkag siab txog lub tswv yim ntawm cov kua peb txheej.
thiab dendrite kev loj hlob thaum lub sij hawm lub roj teeb. Vim tias nws yog kua, tsis muaj kev ntxhov siab thaum lub sij hawm them nqi thiab tso tawm, yog li yuav tsis muaj pulverization yam tsis muaj kev ntxhov siab. Nyob rau tib lub sijhawm, qhov sib txuas ntawm cov kua hlau thiab cov kua electrolyte yog cov kua-kua interface nrog kev sib cuag zoo heev, yog li daws qhov teeb meem ntawm kev sib cuag ntawm cov khoom electrode thiab cov electrolyte.
Cov roj teeb hlau ua kua kuj muaj qee qhov zoo. Vim tias cov txheej txheem ua kua peb-txheej txheej yog cia li txheej raws li cov khoom sib txawv ntom ntom, tag nrho cov qauv roj teeb yog yooj yim heev thiab yooj yim heev los ua kom loj dua. Peb lub chaw kuaj mob tuaj yeem ua cov roj teeb uas muaj peev xwm ntawm 200 ampere teev, 300 ampere teev, lossis txawm tias 500 lossis 600 ampere teev. Qhov thib ob yog tias cov kua electrodes tsis muaj qee qhov kev hloov pauv hauv cov khoom siv hluav taws xob uas ua rau lub roj teeb muaj peev xwm lwj. Piv nrog rau peb cov roj teeb uas tsis muaj zog, tom qab lub voj voog ntev, cov khoom siv hluav taws xob tau tawg thiab ua rau muaj peev xwm lwj. Qhov teeb meem no tsis muaj nyob hauv peb lub cev, yog li peb lub roj teeb muaj lub neej ua haujlwm ntev. Tsis tas li ntawd, cov electrolyte molten ntsev nyob rau hauv nruab nrab muaj ib tug kub cia technology nyob rau hauv lub zog cia technology. Cov ntsev molten nws tus kheej yog siv los ua cov khoom siv cua sov. Tom qab tsim hluav taws xob, yog tias lub roj teeb luv luv thiab tsim hluav taws xob, nws yuav raug nqus los ntawm cov ntsev ntsev, thiab yuav tsis muaj kev pheej hmoo ntawm hluav taws thiab tawg. Nyob rau tib lub sijhawm, tsis tas yuav tsum muaj cov diaphragm, yog li tus nqi qis dua.
Lub "14th Tsib Xyoo Plan rau Kev Txhim Kho Lub Zog Tshiab" kuj tau tshaj tawm tias yuav siv cov roj teeb ua kua hlau ua cov cuab yeej tshiab thiab cov kev taw qhia uas yuav tsum tau ua rau yav tom ntej, thiab cia siab tias lawv yuav siv rau hauv thaj chaw ntawm lub zog cia yav tom ntej. .
Cov hauv qab no yog ib qho kev qhia rau peb pab pawg tshawb fawb txog kev nce qib hauv cov khoom siv roj teeb, suav nrog tib lub hlwb thiab lub zog cia. Cov no yog qee qhov kev tshwm sim ntawm peb cov kev tshawb fawb txog kev tsim cov kua hlau roj teeb khoom siv tshuab.
Raws li peb txhua tus paub, txoj hauv kev yooj yim tshaj plaws los xaiv cov ntaub ntawv yog rov qab mus rau lub sijhawm teem sijhawm. Vim tias peb lub roj teeb yuav tsum muaj qee qhov voltage, qhov tsis zoo electrode yuav tsum tau ua los ntawm cov hlau sib zog. Peb tab tom nrhiav rau alkali hlau thiab alkaline ntiaj teb hlau nyob rau hauv lub sij hawm lub sij hawm, uas kuj yog lub teeb thiab muaj ib tug tej yam kev ua si. Qhov zoo electrode yuav tsum tau ua los ntawm ib yam dab tsi uas hnyav dua thiab qhov qis melting point, yog li peb qhov ntau nyob rau hauv cov hlau cov ntsiab lus uas muaj zog uas tsis yog-hlau, uas yog cov kauj ruam ntawm cov hlau thiab cov khoom tsis yog hlau.
Feem ntau, kev tsim cov khoom siv hluav taws xob electrode mus los ntawm qhov yooj yim mus rau complex, yog li peb pib tsim ib qho yooj yim system. Cov khoom siv hlau siv rau qhov tsis zoo electrode yog lithium, uas muaj qhov sib txawv ntawm 180 degrees Celsius. Qhov zoo electrode yog bismuth, uas muaj ib tug melting point ntawm ntau tshaj 270 degrees. Lub molten ntsev nyob rau hauv nruab nrab yog lithium-raws li, uas muaj ib tug melting point ntawm txog 400 degrees Celsius. Yog li ntawd, yog tias peb lub roj teeb ua haujlwm ntawm 500 degrees Celsius, nws tshwm sim los ua peb txheej txheej ua kua.
Peb nrhiav tau ib qho kev nthuav dav hauv no lithium / bismuth kua hlau roj teeb system. Peb pib xav tias cov electrode ib txwm nyob hauv lub xeev ua kua thaum lub sij hawm them nqi thiab cov txheej txheem tawm, tab sis qhov tseeb qhov zoo electrode tsis zoo li qhov no. Cov electrode tsis zoo ib txwm nyob hauv lub xeev ua kua, tab sis thaum lub sij hawm tso tawm ntawm qhov zoo electrode sab, qee cov khoom siv-theem intermetallic tebchaw yuav raug tsim tawm hauv nruab nrab ntawm cov txheej txheem tawm. Tab sis cov txheej txheem no tsuas yog tshwm sim thaum lub sijhawm tso tawm, thiab nws yuav rov qab mus rau theem ua kua thaum them nyiaj. Hauv lwm lo lus, qhov zoo electrode yog kho tau tiag tiag. Ib theem khoom yuav raug tsim tawm thaum lub sij hawm tso tawm, tab sis cov theem khoom ploj thaum lub sij hawm them, thiab nws yuav rov qab mus rau peb txheej ua kua dej thaum lub sij hawm them nyiaj.
Peb lub roj teeb tiag tiag zoo li cas? Nws yog daim duab nyob rau sab xis sab xis (saib PPT). Nws txawv ntawm cov roj teeb uas koj pom tam sim no. Nws loj dua thiab hnyav dua, thiab siv lub plhaub stainless hlau. Hauv qhov system no, peb tau txheeb xyuas qhov ruaj khov ntawm cov roj teeb ntawm qhov sib txawv. Lub roj teeb me tshaj plaws yog me me, nrog txoj kab uas hla ntawm 1.3 cm ntawm sab xis, thiab muaj peev xwm ntawm ob peb puas mAh. Qhov loj tshaj plaws muaj ib txoj kab uas hla ntawm 15 cm, thiab peb tau ua tiav lub peev xwm ntawm 143 ampere teev. Peb tau khiav nws rau 300 lub voj voog yam tsis pom muaj peev xwm lwj.
Txawm hais tias cov txheej txheem no ua haujlwm zoo, qhov kev tiv thaiv sab hauv yog qhov loj, thiab qhov sib cuam tshuam ntawm electrode thiab electrolyte yog me ntsis tsis sib npaug. Peb tom qab pom tias vim tias cov ntaub ntawv roj teeb yog ua los ntawm cov hlau tsis muaj steel, cov kua hlau Bi tsis ua kom ntub cov hlau tsis huv, yog li qhov kev tiv thaiv sab hauv kuj loj heev. Txhawm rau txhim kho lub wettability, peb ntxiv ib qho me me ntawm Se element rau Bi. Tom qab ntxiv cov khoom Se, qhov zoo electrode thiab cov hlau tsis huv yog ntub tag, uas txo cov roj teeb sab hauv. Yog li peb ua lub roj teeb nrog lub peev xwm ntawm 20 ampere teev, khiav nws rau 1,200 cycles, thiab lub peev xwm tuav tau mus txog 98.4%.
Tom qab ntawd peb pom tias qhov hluav taws xob ntawm Li|Bi roj teeb kuj qis, yog li peb xav txog seb peb puas tuaj yeem ntxiv qee cov hlau nplaum Sb rau qhov zoo electrode. Qhov voltage ntawm Sb yog siab dua Bi, tab sis lub melting point kuj yog siab dua, ncav cuag ntau tshaj 600 degrees, yog li peb alloyed Bi thiab Sb, yog li ntawd lub melting point yuav txo tau thiab voltage yuav siab dua. Tom qab ntxiv Sb, peb tuaj yeem pom tias qhov tso tawm hluav taws xob platform tau txhim kho. Nyob rau hauv txoj kev no, peb ua 5 ampere-teev muaj peev xwm roj teeb thiab khiav nws rau ntau tshaj 160 cycles yam tsis muaj peev xwm lwj.
Tab sis qhov teeb meem nrog BiSb zoo electrode yog tias nws qhov kev ua haujlwm siab tsis zoo. Peb xav paub seb peb puas tuaj yeem txhim kho nws qhov kev ua haujlwm siab. Cia peb saib ntawm Te element nyob rau hauv lub sijhawm teem sijhawm. Te kuj tseem kim, yog li peb kuj siv nws ua cov khoom siv ntxiv. Tom qab ntxiv me ntsis, qhov paug tawm ntawm Te yog qhov sib txawv ntawm Bi thiab Sb. Yog li peb thawj zaug cia Te tsim qee theem khoom ntawm qhov chaw. Thaum lub sij hawm tso tawm, vim qhov kev ntxhov siab tsim tawm thaum lub sij hawm tsim cov khoom zoo electrode multi-component alloy, ntau cov kab nrib pleb tuaj yeem raug nias tawm hauv cov txheej txheem txheej ntawm Te, yog li ntawd peb tau invisibly nce cov channel rau ntau lithium ions. Tom qab peb ntxiv me ntsis ntawm Te, peb pom tias qhov kev ua tau zoo ntawm lub roj teeb kuj tau txhim kho. Thaum peb mus los ntawm 100 mAh ib square centimeter mus rau 1000 mAh ib square centimeter, lub reversible poob ntawm lub peev xwm yog heev me me.
Peb pom tias ntxiv cov ntsiab lus alloy rau qhov zoo electrode tuaj yeem txhim kho cov roj teeb ua haujlwm tau tsawg, tab sis yog tias peb tsuas yog tso siab rau peb cov kev paub dhau los lossis kev sim thiab kev ua yuam kev, lub sijhawm thiab nyiaj txiag tus nqi kuj tseem siab, yog li peb xav paub seb peb puas tuaj yeem siv AI. tshuab. Yog li peb siv qee txoj kev kawm tshuab, thiab peb tsim cov ntaub ntawv. Los ntawm kev kawm tshuab, peb muaj peev xwm tsim ntau lub ntsiab alloy zoo electrodes. Peb tsim lub quaternary alloy zoo electrode los ntawm kev kawm tshuab thiab ua tiav kev ua tau zoo. Nyob rau tib lub sijhawm, peb cov khoom siv hluav taws xob yav dhau los siv lithium raws li qhov tsis zoo electrode, tab sis lithium kuj tseem kim, yog li peb tsim cov calcium-based alloy tsis zoo electrode, uas cycled stably rau 500 cycles yam tsis muaj peev xwm poob. Peb pom tias siv tshuab kev kawm tiag tiag tuaj yeem pab peb tsim cov khoom siv hluav taws xob, txuag sijhawm ntau thiab nqi.
Ntxiv rau qhov kev tshawb fawb ntawm cov khoom siv electrode ntawm cov roj teeb hlau ua kua, peb kuj tau tsim thiab ua kom zoo dua cov kua hlau roj teeb monomers. Peb thawj zaug ua qee lub roj teeb me me, vim tias peb tau ua nws hauv chav kuaj thiab nws tsis tuaj yeem sim nws tau ntau xyoo. Yog li peb tau ua 5 ampere-teev kua hlau roj teeb, uas tau sim ntawm qhov tso tawm tam sim no ntawm 15 amperes. Cov nqi them thiab tawm tam sim no yog ob qho tib si 15 amperes, 100% tus nqi sib sib zog nqus thiab tawm qhov tob, thiab tus nqi ntawm 3C. Lub roj teeb no tau khiav mus rau ntau tshaj 4,100 lub voj voog, thiab lub peev xwm tawm tau yog li 4.92 ampere-teev, cov khoom siv tau mus txog 98.4%, thiab coulombic efficiency yog 99.52%.
Peb kuj ua lub peev xwm loj dua, 200 ampere -teev roj teeb. Vim qhov kev txwv ntawm kev sim them thiab tso tawm cov khoom siv tam sim no, peb tsuas tuaj yeem them thiab tawm ntawm qhov tam sim no ntawm 50 amperes, 0.25C, thiab peb kuj them thiab tso tawm 100% tob. Lub peev xwm tso tawm tuaj yeem ncav cuag 199.4 ampere teev, thiab cov khoom siv siv tau ncav cuag 96.79%. Nws tau khiav ruaj khov rau ntau tshaj 700 lub voj voog, rau cuaj lub hlis, thiab tsis pom muaj peev xwm lwj tau pom, uas ua pov thawj tiag tiag tias peb cov roj teeb hlau ua kua muaj lub voj voog zoo.
Lwm lub ntsiab lus uas tib neeg muaj kev txhawj xeeb ntau dua nrog cov roj teeb hlau ua kua yog yuav ua li cas yog tias peb txheej ntawm cov kua sib xyaw ua ke los yog lub roj teeb rov qab, yog li peb muab 200 ampere-teev roj teeb rau kev sim thiab muab tso rau ntawm lub rooj sib hloov cua sov. Vim tias peb lub roj teeb ua haujlwm ntawm qhov kub thiab txias, yog tias peb xav sim nws, peb yuav tsum khaws cia rau hauv qhov kub thiab txias uas tuaj yeem tig tau. Thaum peb qaij nws mus rau 31.9 degrees, peb-txheej ua kua qauv ntawm lub roj teeb tseem khaws cia, yog li lub roj teeb tseem tuaj yeem them thiab tso tawm ib txwm, tab sis yog tias nws tag nrho tig rov qab thiab tig mus rau 90 degrees, qhov zoo thiab qhov tsis zoo ntawm tus ncej. yuav luv luv-circuited thiab sib xyaw ua ke, thiab cua sov yuav tsim nyob rau lub sijhawm no. Peb kuj ntsuas cov ntshav thiab daj nkhaus nyob rau sab xis sab xis. Ob lub thermocouples no txuas nrog lub roj teeb phab ntsa, thiab peb tuaj yeem ntsuas qhov ntsuas kub ntawm lub roj teeb tom qab ib feem ntawm lub voj voog, ntawm 550 degrees Celsius mus rau 590 degrees Celsius, uas yog li 45 degrees Celsius. Ntawd yog, qhov loj ntawm cov hluav taws xob tsim hluav taws xob yog absorbed los ntawm molten ntsev system, yog li tsis muaj qhov ua tau zoo ntawm kev ua pa thiab tawg.
Nyob rau tib lub sijhawm, yog tias peb cov roj teeb siv nyob rau hauv qhov tseeb lub zog cia rau yav tom ntej, lawv yuav ntsib qee qhov xwm txheej, xws li av qeeg. Yog li peb kuj tau ua qee qhov kev ntsuam xyuas kev nyab xeeb ntawm 20 Hz av qeeg zaus, suav nrog qee qhov kev vibrations ntsug thiab kab rov tav vibrations. Nyob rau hauv cov ntaub ntawv no, lub burrs ntawm lub roj teeb nkhaus yog tshwm sim los ntawm kev vibration ntawm txoj hlua hlau, tab sis lub roj teeb muaj peev xwm ua hauj lwm ib txwm thaum lub sij hawm ntsug kev co. Muaj ib qho luv luv luv luv thaum lub sij hawm kab rov tav vibration, tab sis thaum lub roj teeb vibration nres, lub roj teeb nres ua hauj lwm thiab nyob twj ywm rau ib lub sij hawm, thiab ces lub roj teeb yuav raug them thiab tso tawm ib txwm dua. Qhov no ua pov thawj tias nyob rau theem no, av qeeg zaus ntawm 20Hz 10Hz tsis muaj kev cuam tshuam ntau rau lub roj teeb.
Thaum lub sij hawm 13th Tsib Xyoo Plan, peb tau ua qhov tseem ceeb R & D tej yaam num thiab ua ib lub roj teeb pob. Hauv cov txheej txheem no, peb thawj zaug kov yeej cov teeb meem tseem ceeb hauv lub cev, xws li roj teeb sib xws. Peb ua kom zoo dua cov qauv roj teeb, cov khoom xyaw, cov txheej txheem sib dhos, cov qauv tsis sib xws, thiab lwm yam, thiab txhim kho cov roj teeb sib xws. Lub roj teeb muaj peev xwm sib txawv ntawm ntau dua 200 ampere-teev tsawg dua 2 ampere-teev, thiab qhov sib txawv ntawm sab hauv yog tsawg dua 2 milliohms. Lub roj teeb sib xws yog qhov siab. 0.2C ib leeg ntawm tes tuaj yeem ua tiav qhov nruab nrab ntawm lub zog ntawm ntau dua 86%.
Vim tias qhov hluav taws xob ntawm peb cov roj teeb hlau ua kua yog qhov tsawg, tsis zoo li cov roj teeb lithium thiab sodium tam sim no, peb kuj yuav tsum tsim peb tus kheej BMS. Yog li ntawd, raws li cov yam ntxwv ntawm cov tam sim no loj thiab tsis tshua muaj hluav taws xob, peb tsim ib qho kev ntsuas ob txheej. Tom qab ntsuas, qhov sib xws ntawm peb lub roj teeb yog siab heev, nrog qhov sib txawv ntawm qhov sib txawv ntawm 40.6mV thiab ntsuas qhov ntsuas tam sim no ntawm 1.4 amperes.
Rau lub hauv paus no, peb kuj yuav tsum tau ob peb lub cua sov module. Vim tias peb yog cov roj teeb kub kub, peb siv lub hauv paus ntsiab lus ntawm cua kub convection hauv qhov system los tsim cov cua sov, thiab peb kuj tau ceev faj txog qhov kub thiab txias. Nyob rau hauv daim duab nyob rau hauv lub kaum sab xis sab xis, peb tuaj yeem pom tias tom qab txog kaum lub roj teeb txuas nrog hauv cov koob, lawv tau ua haujlwm ntawm tus nqi ntawm 0.5C. Qhov nkhaus xiav yog qhov tam sim no ntawm lub zog sab nraud. Nws tuaj yeem pom tias thaum khiav ntawm 0.5C, cov cua sov uas tsim los ntawm lub roj teeb no txaus rau lub roj teeb ua haujlwm ntawm nws tus kheej. Nws yog 500 degrees Celsius los ntawm nws tus kheej, yog li tsis tas yuav muaj cua sov sab nraud, thiab nws tus kheej tuaj yeem ua tiav. Tau kawg, lub roj teeb no tseem xav tau peb muab qee qhov cua sov thaum nws khiav thawj zaug, tab sis nws tsis tsim nyog thaum lub sijhawm ua haujlwm.
Raws li lub hauv paus no, peb tau koom tes nrog xibfwb Jiang Kai ntawm Huazhong University of Science thiab Technology los tsim peb-dimensional tshav kub hloov coupling qauv ntawm cov kua hlau roj teeb, npaj ib tug hluav taws xob-thermal coupling kev pab cuam cov yam ntxwv kev tswj lub tswv yim, paub ib tug ntau-theem roj teeb npaum. kev tswj hwm, thiab tsim lub teb chaws thawj 5KW thiab 30KWH lithium-raws li kua hlau roj teeb system, uas kuj dhau los ntawm cov neeg thib peb kuaj.
Raws li lub hauv paus no, peb tau sau cov thev naus laus zis ntau xyoo. Thaum Lub Rau Hli 2023, Henghui Keyuan (Xi'an) Tshiab Zog Technology Co., Ltd. tau tsim nyob rau hauv Xi'an, nplooj siab los txhawb kev lag luam ntawm cov kua hlau roj teeb technology. Tus tubtxib saum ntuj puag ncig tau txais kaum tawm lab nyiaj txiag los ntawm Jiangyuan Kev nqis peev. Cov kws tshaj lij thiab cov kws qhia tau txais tos tuaj rau Xi'an los coj peb txoj haujlwm.