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 lub teev ntawm txoj kev loj hlob theem, tus nqi ntawm tus nqi yuav raug txo los ntawm 20% mus rau 30%, nyob rau hauv lub premise ntawm tag nrho cov txhim kho lub roj teeb qauv thiab txheej txheem, txhim kho tus nqi ntawm cov ntaub ntawv thiab lub voj voog lub neej, tus nqi ntawm hluav taws xob tuaj yeem tshawb xyuas txog 0.2 yuan / kWh, yog los txhawb kev lag luam kev lag luam ntawm lub teb chaws cov kev taw qhia ntawm lub zog ntawm cov khoom siv hluav taws xob. 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 kev ua 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 ua ntej 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 Tsev Kawm Ntawv ntawm Physics ntawm Suav Academy ntawm Kev Tshawb Fawb, Zhongkehai Sodium Technology Co., Ltd. thiab lwm lub koom haum ntawm pab pawg, tau tshaj tawm cov kev tshawb fawb tseem ceeb hauv lub tebchaws thiab kev tsim kho qhov project sub-topic "100 megawatt-teev sodium-ion roj teeb lub zog khaws cia" kev tshawb fawb thiab kev tshawb fawb. "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 ntawm kev npaj cov roj teeb sodium-ion thiab cov txheej txheem kev koom ua ke," 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 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. Hu Yongsheng, tus kws tshawb fawb ntawm lub koom haum ntawm Physics, Suav Academy ntawm Kev Tshawb Fawb tau hais tias "Los ntawm qhov kev ua tau zoo, peb hom roj teeb sodium-ion muaj qhov zoo ntawm thaj chaw ua haujlwm kub, kev them nyiaj sai thiab muaj txiaj ntsig zoo, thiab tuaj yeem them rau 90% hauv 12 feeb,"
Raws li cov neeg koom nrog hauv txoj haujlwm tseem ceeb, SouthGrid Energy Storage Company Energy Storage Research Institute hauv lithium roj teeb lub zog khaws cia kev koom ua ke thiab kev tiv thaiv kev nyab xeeb thiab kev tswj hwm hauv thaj chaw muaj kev tshawb fawb ntau, ua tiav lub teb chaws tseem ceeb kev tshawb fawb thiab kev loj hlob kev pab cuam "lithium-ion roj teeb lub zog cia system lifecycle application of security technology". Li Yongqi, tus kws tshaj lij ntawm SouthGrid Energy Storage Company hais tias "Txawm hais tias cov txheej txheem tshuaj tiv thaiv ntawm sodium thiab lithium roj teeb zoo ib yam, kev txhim kho lub zog ua tiav lub zog uas 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 muaj zog ntawm cov roj teeb sodium-ion, thiab tag nrho cov kev sib koom ua ke 88 modular converters, paub txog "ib-rau-ib lo lus" nrog cov roj teeb pawg, thaum lub sij hawm ib txwm faib architecture ntawm lithium-ion zog cia qhov system tsuas yog xav tau 40 kev sib txuas ntxiv. 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 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 tias yuav ntxiv thiab hloov tau zoo lithium roj teeb, thiab siv rau cov khoom siv hluav taws xob loj, hluav taws xob tsheb, kev tsim kho tshuab thiab lwm yam.
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 cuab yeej siv rau cov roj teeb sodium-ion, xws li module-theem thermal barrier thiab high-efficiency fire extinguishing.
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 txuag hluav taws xob, cua txias, tiv thaiv kev siv tshuab los ntawm lithium-ion roj teeb lub zog khaws cia lub neej voj voog daim ntawv thov kev nyab xeeb technology hloov dua siab tshiab hauv lithium, sodium zog cia system synchronization rau thawj zaug hauv Lithium-Qi engineering.
Lub Ib Hlis 28, 2024, los ntawm Suav Academy ntawm Engineering Jiang Jianchun kws tshaj lij, Suav Academy ntawm Kev Tshawb Fawb, Cheng Shijie tus kws tshaj lij, 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 cov txiaj ntsig ntawm qhov project los tshuaj xyuas qhov kev ntsuam xyuas: 10 lub zog txuag hluav taws xob ntawm lub zog hluav taws xob tag nrho chaw nres tsheb” tsim los ntawm pab pawg neeg ua haujlwm yog nyob rau theem thoob ntiaj teb.
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