Tsis ntev los no, Tuam Tshoj thawj zaug loj-muaj peev xwm sodium-ion roj teeb lub zog cia chaw nres tsheb - Volin sodium-ion roj teeb lub zog cia chaw nres tsheb tau muab tso rau hauv kev ua haujlwm hauv Nanning, Guangxi. Qhov no yog lub teb chaws tseem ceeb kev tshawb fawb thiab kev loj hlob kev pab cuam "100 megawatt-teev sodium-ion roj teeb lub zog cia technology" project demonstration project ntawm thawj theem ntawm peb tes num, lub installation loj ntawm 2.5 megawatts / 10 megawatt-teev.
Lub chaw nres tsheb fais fab tau nqis peev thiab tsim los ntawm Guangxi Power Grid Company ntawm Southern Power Grid, thiab qhov ntsuas ntawm theem no yog 10 MWh. Tag nrho cov nplai ntawm qhov project yuav ncav cuag 100 MWh, uas tuaj yeem tsim tau 73 lab degrees ntawm cov hluav taws xob huv ib xyoos ib zaug, Lub tshuab hluav taws xob tau nqis peev thiab tsim los ntawm Guangxi Power Grid Company ntawm Southern Power Grid, thiab qhov ntsuas ntawm theem no yog 10 MWh. Tag nrho cov nplai ntawm qhov project yuav ncav cuag 100 MWh, uas tuaj yeem tsim tau 73 lab degrees ntawm hluav taws xob huv ib xyoos ib zaug, txo cov pa roj carbon dioxide emissions los ntawm 50,000 tonnes, thiab ua tau raws li qhov xav tau ntawm hluav taws xob ntawm 35,000 cov neeg siv nyob hauv.
Piv nrog lithium-ion roj teeb lub zog cia, "cov kwv tij" sodium-ion roj teeb lub zog cia cov ntaub ntawv raw khoom khaws cia, yooj yim rau rho tawm, tus nqi qis, kev ua haujlwm zoo dua ntawm qhov kub thiab txias, nyob rau hauv loj-scale cia khoom muaj txiaj ntsig zoo. "Sodium-ion roj teeb lub zog cia nyob rau hauv qhov ntsuas ntawm qhov kev loj hlob theem, tus nqi ntawm cov nqi tuaj yeem txo los ntawm 20% mus rau 30%, raws li qhov ua tiav ntawm kev txhim kho cov qauv roj teeb thiab cov txheej txheem, txhim kho kev siv tus nqi ntawm cov ntaub ntawv thiab lub voj voog. lub neej, tus nqi hluav taws xob tuaj yeem tshawb nrhiav txog 0.2 yuan / kWh, yog los txhawb kev lag luam kev siv ntawm hom tshiab ntawm kev khaws cia ntawm ib qho tseem ceeb ntawm kev siv thev naus laus zis, "lub teb chaws lub zog txuag hluav taws xob Chen Man, tus lwm thawj Secretary-General ntawm National Electric Power Storage Technical Committee thiab tus kws tshaj lij-theem cov kws tshaj lij ntawm Southern Power Grid, tau hais.
Txawm hais tias Tuam Tshoj txoj haujlwm hauv kev tshawb fawb thiab kev tsim kho, kev tsim khoom, kev tsim qauv, kev lag luam nce qib thiab kev siv cov khoom siv roj teeb sodium-ion yog nyob rau hauv tag nrho viav vias, tsis muaj thoob ntiaj teb precedent rau daim ntawv thov ntawm sodium-ion roj teeb technology rau loj-muaj peev xwm cia fais fab chaw nres tsheb. .
Thaum lub Kaum Ib Hlis 2022, Guangxi Power Grid Company, nrog rau South Grid Energy Storage Company, lub koom haum ntawm Physics ntawm Suav Academy ntawm Sciences, Zhongkehai Sodium Technology Co., Ltd. Cov kev tshawb fawb tseem ceeb thiab kev tsim kho qhov project sub-topic "100 megawatt-teev sodium-ion roj teeb lub zog cia system kev koom ua ke thev naus laus zis thiab kev siv ua qauv qhia" kev tshawb fawb Tackle txoj haujlwm. "Peb tsom mus rau kev ua tau zoo ntawm cov txheej txheem hluav taws xob ua haujlwm siab, kev sib koom ua ke thiab kev tiv thaiv kev nyab xeeb thiab kev tswj hwm thiab lwm yam thev naus laus zis los ua cov kev tshawb fawb, tsim nrog cov tswv cuab ywj pheej ywj pheej ntawm sodium-ion roj teeb kev npaj thiab kev sib koom ua ke technology," tus thawj coj ua haujlwm, South China Grid Guangxi Grid Company, tus thawj coj ntawm Lub Tsev Haujlwm Saib Xyuas Kev Tsim Kho Tshiab Gao Lik tau qhia.
Lub roj teeb muaj peev xwm muaj peev xwm yog lub hauv paus ntawm tag nrho sodium-ion roj teeb lub zog khaws cia. Tom qab ib thiab ib nrab xyoo ntawm kev tshawb fawb, pab neeg ua haujlwm tau tsim lub ntiaj teb thawj lub neej ntev, thaj chaw kub, kev nyab xeeb siab 210Ah sodium-ion lub zog cia roj teeb. "Los ntawm qhov kev ua tau zoo, peb hom roj teeb sodium-ion muaj qhov zoo ntawm thaj chaw ua haujlwm kub, them sai sai thiab muaj txiaj ntsig zoo, thiab tuaj yeem them rau 90% hauv 12 feeb," said Hu Yongsheng, tus kws tshawb fawb ntawm lub tuam txhab. Lub koom haum ntawm Physics, Suav Academy ntawm Sciences.
Raws li lub ntsiab kev koom tes hauv qhov project, SouthGrid Energy Storage Company Energy Storage Research Institute nyob rau hauv lub lithium roj teeb lub zog cia system kev koom ua ke thiab kev tiv thaiv kev nyab xeeb thiab tswj nyob rau hauv lub tshav pob muaj ib tug nplua nuj ntawm kev tshawb fawb kev, ua lub teb chaws tseem ceeb kev tshawb fawb thiab kev loj hlob program " lithium-ion roj teeb lub zog cia qhov system lub neej voj voog daim ntawv thov kev nyab xeeb technology ". Li Yongqi, tus kws tshaj lij ntawm SouthGrid Energy Storage Company tau hais tias "Txawm hais tias cov ntsiab lus tshuaj tiv thaiv ntawm sodium thiab lithium roj teeb zoo ib yam, kev txhim kho lub zog ua tiav lub zog cia ua ke nrog kev them nyiaj thiab tso tawm cov yam ntxwv ntawm cov roj teeb sodium yuav tsum tau kov yeej ntau yam kev sib tw tshiab," said Li Yongqi, tus kws tshaj lij ntawm SouthGrid Energy Storage Company. , nrog kev xav.
Ua qhov kev sib koom ua ke ua piv txwv, pab pawg ua haujlwm tshiab tau txais kev faib khoom siv hluav taws xob raws li qhov hluav taws xob siab ntawm sodium-ion roj teeb, thiab tag nrho cov kab ke sib koom ua ke 88 modular converters, paub txog "ib-rau-ib tsab ntawv" nrog rau. roj teeb pawg, thaum lub sij hawm ib txwm faib architecture ntawm lithium-ion zog cia system tsuas yog xav tau kev koom ua ke ntau tshaj 40 converters. Lub hom phiaj tam sim no ntawm ob npaug ntawm cov converters yog kom muaj peev xwm muaj peev xwm thiab kev siv hluav taws xob hloov hluav taws xob. Lub zog tag nrho ntawm kev hloov pauv ntawm lub zog hluav taws xob ntawm cov roj teeb hluav taws xob no yog ntau dua 92%, thaum cov roj teeb lithium feem ntau tsawg dua 90%, uas xav kom ntxiv thiab hloov cov roj teeb lithium zoo, thiab siv rau cov khoom siv hluav taws xob loj loj, hluav taws xob tsheb, kev tsim kho tshuab thiab lwm yam kev lag luam.
Raws li kev tiv thaiv kev nyab xeeb thiab kev tswj hwm, pab pawg tau tsim lub tswv yim tswj kev thermal rau cov kua dej txias nrog rau cov txheej txheem tiv thaiv hluav taws thiab tswj cov thev naus laus zis rau sodium-ion roj teeb lub zog cia, xws li module-theem thermal barrier thiab high-efficiency hluav taws tua hluav taws.
Qhov kub ntawm qhov sib txawv ntawm ntau tshaj 22,000 sodium roj teeb hauv tag nrho cov kab ke yog tswj tsis pub dhau 3 degrees Celsius. Kev siv cov cua kub dissipation thiab thermal runaway barrieriav fiber ntau airgel pamRaws li cov khoom siv thermal barrier ntawm cov tub ntxhais hluav taws xob, lub roj teeb monomer thermal runaway kis tau los ntawm 30 feeb mus rau 2 teev, txuas ntxiv mus rau 4 zaug, txhim kho kev nyab xeeb ntawm lub roj teeb module zoo heev.
Pab neeg no tsim cov kua nitrogen zoo tua hluav taws, cua txias, tiv thaiv reignition technology, muaj peev xwm tua tau cov roj teeb thawj zaug hauv 5 vib nas this, ua 24 teev yam tsis muaj hluav taws kub thiab tawg. "Tam sim no lithium thiab sodium zog cia tshuab los txhawb kev txhim kho ntawm ib leeg tus yam ntxwv pom tseeb, cov txheej txheem ntawm sodium-ion roj teeb lub zog khaws cia qhov kev tshawb fawb thiab cov tswv yim ua kua nitrogen siv hluav taws xob tua hluav taws, cua txias, tiv thaiv hluav taws xob los ntawm lithium-ion roj teeb lub zog. cia lub neej voj voog daim ntawv thov kev ruaj ntseg technology hloov dua siab tshiab daim ntawv thov nyob rau hauv lithium, sodium zog cia system synchronization thawj zaug nyob rau hauv daim ntawv thov engineering, "LiYongQi hais.
Lub Ib Hlis 28, 2024, los ntawm Suav Academy ntawm Engineering Jiang Jianchun kev kawm, Suav Academy ntawm Sciences, Cheng Shijie kws qhia ntawv, Zhang Yue kev kawm, European Union Academy ntawm Sciences Sun Jinhua kws tshaj lij thiab lwm tus kws tshaj lij ntawm Tuam Tshoj Machinery Industry Federation Appraisal Committee ntawm lub Cov txiaj ntsig ntawm qhov project los ua qhov kev tshuaj xyuas ntawm kev ntsuam xyuas: tag nrho cov thev naus laus zis ntawm "10 MWh sodium ion roj teeb lub zog cia qhov system rau hluav taws xob txuag hluav taws xob chaw nres tsheb” tsim los ntawm pab pawg neeg ua haujlwm yog nyob rau theem thoob ntiaj teb.
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