Thaum lub sijhawm "Kaum Peb Hlis Tsib Hlis" lub sijhawm, Tuam Tshoj txoj kev tsim khoom thiab kev muag khoom ntawm lub zog tshiab tsheb tau loj hlob sai, ua tus thawj hauv ntiaj teb rau tsib xyoos sib law liag.Nws cia siab tias tus naj npawb ntawm lub zog tshiab tsheb yuav dhau 5 lab nyob rau thaum xaus ntawm lub xyoo no.Nyob rau tib lub sijhawm, xov xwm zoo txuas ntxiv los ntawm Tuam Tshoj hauv cov thev naus laus zis tseem ceeb ntawm cov roj teeb hluav taws xob tshiab.Lub hnub nyoog 80 xyoo Chen Liquan, thawj tus neeg hauv Tuam Tshoj txoj kev lag luam roj teeb lithium, coj nws pab neeg los tsim cov khoom siv roj teeb tshiab.
Tshiab nano-silicon lithium roj teeb tau tso tawm, muaj peev xwm 5 npaug ntawm cov roj teeb lithium ib txwm muaj
Chen Liquan, 80-xyoo-laus kws tshaj lij ntawm Suav Academy ntawm Engineering, yog tus tsim ntawm Tuam Tshoj txoj kev lag luam roj teeb lithium.Xyoo 1980s, Chen Liquan thiab nws pab neeg tau ua tus thawj coj hauv kev tshawb fawb txog cov khoom siv hluav taws xob thiab cov roj teeb lithium hauv Suav teb.Hauv xyoo 1996, nws tau coj pab pawg tshawb fawb tshawb fawb los tsim cov roj teeb lithium-ion thawj zaug hauv Suav teb, coj tus thawj coj hauv kev daws teeb meem kev tshawb fawb, thev naus laus zis thiab engineering ntawm kev tsim khoom loj ntawm cov roj teeb lithium-ion hauv tsev, thiab paub txog kev lag luam. ntawm domestic lithium-ion roj teeb.
Nyob rau hauv Liyang, Jiangsu, Li Hong, ib tug protégé ntawm Academician Chen Liquan, coj nws pab neeg kom ua tiav ib tug tseem ceeb raw khoom rau lithium roj teeb tom qab ntau tshaj 20 xyoo ntawm kev tshawb fawb thiab loj ntau lawm nyob rau hauv 2017.
Cov khoom siv nano-silicon anode yog cov khoom siv tshiab ntawm nws tus kheej tsim los ntawm lawv.Lub peev xwm ntawm cov roj teeb pob ua los ntawm nws yog tsib npaug ntawm cov roj teeb lithium graphite.
Luo Fei, General Manager ntawm Tianmu Leading Battery Material Technology Co., Ltd.
Silicon muaj nyob rau hauv cov xwm thiab muaj ntau nyob rau hauv reserves.Lub ntsiab ntawm cov xuab zeb yog silica.Tab sis ua kom cov hlau nplaum silicon rau hauv cov khoom siv silicon anode, yuav tsum tau ua tshwj xeeb.Hauv chav kuaj, nws tsis yooj yim los ua kom tiav cov txheej txheem no, tab sis ua kom cov ntaub ntawv ton-theem silicon anode yuav tsum muaj ntau yam kev tshawb fawb thiab kev sim.
Lub koom haum ntawm Physics ntawm Suav Academy ntawm Sciences tau tshawb fawb nano-silicon txij li xyoo 1996, thiab pib tsim cov khoom siv silicon anode cov khoom siv hauv xyoo 2012. Nws tsis yog txog xyoo 2017 uas thawj cov kab ntau lawm tau tsim, thiab nws tau raug kho tas li. thiab kho dua.Tom qab ntau txhiab qhov ua tsis tiav, cov khoom siv silicon anode tau tsim ntau heev.Tam sim no, Liyang Hoobkas txhua xyoo tso tawm ntawm silicon anode cov ntaub ntawv rau lithium-ion roj teeb tuaj yeem ncav cuag 2,000 tons.
Yog tias cov ntaub ntawv silicon anode yog ib qho kev xaiv zoo rau kev txhim kho lub zog ceev ntawm lithium roj teeb yav tom ntej, tom qab ntawd cov khoom siv hluav taws xob hauv lub xeev yog qhov kev lees paub thiab muaj txiaj ntsig zoo los daws cov teeb meem tam sim no xws li kev nyab xeeb thiab lub neej voj voog ntawm lithium roj teeb.Tam sim no, ntau lub teb chaws tau nquag tsim cov roj teeb hauv lub xeev, thiab Tuam Tshoj txoj kev tshawb fawb thiab kev txhim kho ntawm cov khoom siv hluav taws xob lithium roj teeb kuj tseem ua kom nrawm nrog lub ntiaj teb.
Hauv lub Hoobkas no hauv Liyang, cov drones siv cov roj teeb lithium uas muaj zog tsim los ntawm pab pawg coj los ntawm xibfwb Li Hong muaj kev caij nkoj uas yog 20% ntev dua li ntawm cov drones nrog tib cov lus qhia.Qhov zais cia nyob rau hauv cov khoom siv xim av tsaus nti, uas yog cov khoom siv hauv lub xeev cathode tsim los ntawm lub koom haum ntawm Physics, Suav Academy ntawm Sciences.
Xyoo 2018, kev tsim thiab kev loj hlob ntawm 300Wh / kg solid-state fais fab roj teeb system tau ua tiav ntawm no.Thaum ntsia rau ntawm lub tsheb, nws tuaj yeem ua ob npaug ntawm lub tsheb caij nkoj.Xyoo 2019, Suav Academy ntawm Kev Tshawb Fawb tau tsim cov khoom siv hluav taws xob hauv lub xeev kev tsav tsheb hauv Liyang, Jiangsu.Lub Tsib Hlis xyoo no, cov khoom lag luam tau pib siv rau hauv cov khoom siv hluav taws xob.
Txawm li cas los xij, Li Hong tau hais rau cov neeg sau xov xwm tias qhov no tsis yog tag nrho cov khoom siv-lub xeev cov roj teeb hauv kev txiav txim siab tag nrho, tab sis lub roj teeb quasi-lub xeev uas tau ua kom zoo dua qub hauv cov kua lithium roj teeb technology.Yog tias koj xav ua kom lub tsheb muaj qhov ntev dua, cov xov tooj ntawm tes muaj lub sijhawm tos ntev dua, thiab tsis muaj leej twg tuaj yeem ua rau lub dav hlau ya mus siab dua thiab ntxiv, nws yog ib qho tsim nyog los tsim kom muaj kev nyab xeeb thiab muaj peev xwm loj dua tag nrho cov roj teeb hauv lub xeev.
Cov roj teeb tshiab tau tshwm sim ib tom qab thiab "Electric China" tab tom tsim
Tsis yog lub koom haum ntawm Physics ntawm Suav Academy ntawm Kev Tshawb Fawb, ntau lub tuam txhab tseem tab tom tshawb nrhiav cov thev naus laus zis tshiab thiab cov khoom siv rau cov roj teeb hluav taws xob tshiab.Ntawm lub tuam txhab hluav taws xob tshiab hauv Zhuhai, Guangdong, lub tsheb npav hluav taws xob ntshiab tau them nyiaj hauv tuam txhab qhov chaw ua qauv qhia.
Tom qab them ntau tshaj peb feeb, lub zog ntxiv tau nce los ntawm 33% mus rau ntau dua 60%.Hauv 8 feeb xwb, lub npav tau them tag nrho, qhia 99%.
Liang Gong tau hais rau cov neeg sau xov xwm tias cov tsheb npav hauv nroog tau kho thiab cov mais kev mus ncig yuav tsis pub tshaj 100 mais.Kev them nyiaj thaum lub sijhawm so ntawm tus neeg tsav tsheb npav tuaj yeem muab kev ua si tag nrho rau qhov zoo ntawm lithium titanate roj teeb uas them sai sai.Tsis tas li ntawd, cov roj teeb lithium titanate muaj lub sijhawm voj voog.Qhov zoo ntawm lub neej ntev.
Nyob rau hauv lub koom haum tshawb fawb roj teeb ntawm lub tuam txhab no, muaj lithium titanate roj teeb uas tau raug kuaj xyuas thiab tso tawm lub voj voog txij li xyoo 2014. Nws tau raug them thiab tso tawm ntau dua 30,000 zaug hauv rau xyoo.
Hauv lwm qhov chaw kuaj mob, cov kws tshaj lij tau qhia rau cov neeg sau xov xwm qhov poob, koob prick, thiab txiav cov kev sim ntawm lithium titanate roj teeb.Tshwj xeeb tshaj yog tom qab lub koob steel nkag mus rau hauv lub roj teeb, tsis muaj hluav taws kub lossis haus luam yeeb, thiab lub roj teeb tseem tuaj yeem siv tau ib txwm., tseem lithium titanate roj teeb muaj ntau yam ntawm ambient kub.
Txawm hais tias lithium titanate roj teeb muaj qhov zoo ntawm lub neej ntev, kev nyab xeeb siab, thiab them ceev ceev, lub zog ceev ntawm lithium titanate roj teeb tsis siab txaus, tsuas yog ib nrab ntawm cov roj teeb lithium.Yog li ntawd, lawv tau tsom mus rau cov xwm txheej ntawm daim ntawv thov uas tsis tas yuav muaj lub zog loj, xws li cov tsheb npav, tsheb tshwj xeeb, thiab chaw nres tsheb fais fab.
Nyob rau hauv cov nqe lus ntawm lub zog cia roj teeb kev tshawb fawb thiab kev loj hlob thiab industrialization, lub sodium-ion roj teeb tsim los ntawm lub koom haum ntawm Physics ntawm Suav Academy ntawm Sciences tau pib txoj kev mus rau kev lag luam.Piv nrog rau cov roj ntsha lead-acid, cov roj teeb sodium-ion tsis yog tsuas yog me me xwb tab sis kuj hnyav dua rau tib lub peev xwm.Qhov hnyav ntawm sodium-ion roj teeb ntawm tib lub ntim yog tsawg dua 30% ntawm cov roj ntsha lead-acid.Ntawm lub tsheb uas tsis tshua muaj hluav taws xob pom, cov hluav taws xob khaws cia hauv tib qhov chaw nce 60%.
Xyoo 2011, Hu Yongsheng, tus kws tshawb fawb ntawm lub koom haum ntawm Physics ntawm Suav Academy ntawm Sciences uas tau kawm nyob rau hauv Academician Chen Liquan, coj ib pab neeg thiab pib ua hauj lwm rau kev tshawb fawb thiab kev loj hlob ntawm sodium-ion roj teeb technology.Tom qab 10 xyoo ntawm kev tshawb fawb, lub roj teeb sodium-ion tau tsim, uas yog txheej hauv qab ntawm sodium-ion roj teeb kev tshawb fawb thiab kev loj hlob hauv Suav teb thiab lub ntiaj teb.thiab daim ntawv thov cov khoom lag luam yog nyob rau hauv txoj haujlwm tseem ceeb.
Piv nrog rau lithium-ion roj teeb, ib qho ntawm qhov zoo tshaj plaws ntawm cov roj teeb sodium-ion yog tias cov ntaub ntawv raw tau faib dav thiab pheej yig.Cov khoom siv raw rau kev tsim cov khoom tsis zoo electrode yog ntxuav thee.Tus nqi ib tuj yog tsawg tshaj li ib txhiab yuan, uas yog deb tshaj tus nqi ntawm kaum tawm txhiab yuan ib tuj graphite.Lwm cov khoom siv, sodium carbonate, kuj tseem muaj cov peev txheej thiab pheej yig.
Sodium-ion roj teeb tsis yooj yim rau hlawv, muaj kev nyab xeeb zoo, thiab tuaj yeem ua haujlwm ntawm 40 degrees Celsius.Txawm li cas los xij, lub zog ceev tsis zoo li cov roj teeb lithium.Tam sim no, lawv tsuas yog siv tau rau hauv cov tsheb uas muaj hluav taws xob tsawg, lub zog txuag hluav taws xob thiab lwm qhov chaw uas yuav tsum tau muaj zog tsawg.Txawm li cas los xij, lub hom phiaj ntawm cov roj teeb sodium-ion yog siv los ua cov khoom siv hluav taws xob, thiab 100-kilowatt-teev lub zog cia chaw nres tsheb fais fab tau tsim.
Hais txog kev txhim kho yav tom ntej ntawm cov roj teeb hluav taws xob thiab lub zog cia roj teeb, Chen Liquan, tus kws tshaj lij ntawm Tuam Tshoj Academy of Engineering, ntseeg tias kev nyab xeeb thiab tus nqi tseem yog qhov tseem ceeb rau kev tshawb fawb ntawm cov roj teeb hluav taws xob thiab lub zog cia roj teeb.Nyob rau hauv cov ntaub ntawv ntawm kev tsis txaus ntawm lub zog ib txwm muaj, lub zog cia roj teeb tuaj yeem txhawb kev siv lub zog tauj dua tshiab ntawm daim phiaj, txhim kho qhov tsis sib haum xeeb ntawm lub ncov thiab lub hav hluav taws xob, thiab tsim cov qauv ntsuab thiab ruaj khov.
[Kev soj ntsuam ib nrab teev] Kev kov yeej "cov ntsiab lus mob" ntawm kev txhim kho lub zog tshiab
Nyob rau hauv lub hauv paus tsoom fwv cov lus pom zoo ntawm "14th Tsib-xyoo Plan", lub zog tshiab thiab lub zog tshiab tsheb, nrog rau cov tiam tshiab cov ntaub ntawv technology, biotechnology, high-end khoom, aerospace, thiab marine khoom, tau teev raws li cov tswv yim tawm kev lag luam uas xav tau. kom ceev.Nyob rau tib lub sijhawm, nws tau taw qhia tias yuav tsum tsim kom muaj lub cav loj hlob rau kev lag luam tawm tswv yim thiab tsim cov thev naus laus zis tshiab, cov khoom tshiab, cov qauv lag luam tshiab, thiab cov qauv tshiab.
Hauv qhov kev zov me nyuam, peb pom tias cov chaw tshawb fawb tshawb fawb thiab cov tuam txhab lag luam tau siv ntau txoj hauv kev los kov yeej "cov ntsiab lus mob" ntawm kev txhim kho lub zog tshiab.Tam sim no, txawm hais tias txoj kev loj hlob ntawm kuv lub teb chaws lub zog tshiab kev lag luam tau ua tiav qee qhov zoo thawj-mover, nws tseem tab tom ntsib kev txhim kho tsis zoo thiab cov thev naus laus zis tseem ceeb yuav tsum tau tawg.Cov no yog tos cov neeg siab tawv nce siab nrog kev txawj ntse thiab kov yeej nrog kev mob siab rau.
Post lub sij hawm: Nov-23-2023