Xov xwm

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Thaum Lub Ib Hlis 11, 2024, cov kws tshawb fawb los ntawm Harvard John A. Paulson Tsev Kawm Ntawv ntawm Engineering thiab Applied Sciences hauv Tebchaws Meskas tau ua tiav los ntawm kev tsim cov roj teeb lithium-hlau tshiab, ua rau muaj kev hloov pauv hauv kev thauj mus los hauv hluav taws xob.Lub roj teeb no tsis yog tsuas yog khav theeb lub neej ntawm yam tsawg kawg 6000 lub voj voog them-tso tawm, dhau ntawm lwm cov roj teeb muag muag, tab sis kuj ua tiav kev them nyiaj sai hauv ob peb feeb xwb.Qhov kev nce qib tseem ceeb no muab lub zog tshiab rau kev txhim kho ntawmhluav taws xob maus taus, txo qis lub sijhawm them nyiaj ntau thiab txhim kho qhov ua tau zoo ntawm cov maus taus hluav taws xob rau kev mus ncig txhua hnub.

Cov kws tshawb fawb tau piav qhia txog kev tsim khoom thiab cov yam ntxwv ntawm lub roj teeb lithium-hlau tshiab no hauv lawv cov ntawv tshaj tawm tshiab hauv "Nature Materials."Tsis zoo li cov roj teeb pob khoom ib txwm muaj, lub roj teeb no siv lub lithium-hlau anode thiab siv cov khoom siv hluav taws xob hauv lub xeev, uas ua rau muaj kev them nyiaj ntau dua thiab kev ua neej ntev.Qhov no enableshluav taws xob maus tauskom them sai sai, txhim kho kev yooj yim rau cov neeg siv.

Nrog rau qhov tshwm sim ntawm lub roj teeb tshiab, lub sij hawm them nyiaj rau cov maus taus hluav taws xob yuav raug txo kom tsawg, ua kom cov neeg siv tau txais txiaj ntsig zoo.Tsis tas li ntawd, vim qhov loj ntawm roj teeb lifespan, cov hluav taws xob maus taus 's range yuav pom ib qho kev txhim kho, catering rau ntau yam kev xav tau kev mus los.Qhov kev ua tiav no yog qhov tseem ceeb hauv kev txhawb nqa kev siv hluav taws xob thoob plaws kev thauj mus los, txo kev cia siab rau cov khoom siv hluav taws xob ib txwm muaj.

Raws li cov ntaub ntawv los ntawm Harvard John A. Paulson Tsev Kawm Ntawv ntawm Engineering thiab Applied Sciences, lub roj teeb lithium-hlau tshiab muaj lub sijhawm them lub neej ntawm tsawg kawg yog 6000 cycles, qhov kev txiav txim ntawm qhov loj hlob zoo dua piv rau lub neej ntev ntawm cov roj teeb pob.Tsis tas li ntawd, kev them nyiaj ceev ntawm lub roj teeb tshiab yog qhov nrawm heev, tsuas yog siv ob peb feeb kom ua tiav cov nqi, ua rau lub sijhawm them nyiaj rau hluav taws xob maus taus ze li qhov tsis txaus ntseeg hauv kev siv txhua hnub.

Qhov kev tshawb pom tshiab no yuav qhib qhov muaj peev xwm tshiab rau kev siv dav davhluav taws xob maus taus.Nrog kev txhim kho txuas ntxiv ntawm cov roj teeb thev naus laus zis tshiab, kev thauj mus los hluav taws xob tau nkag mus rau lub sijhawm zoo dua thiab yooj yim dua.Qhov no tseem muab cov kev taw qhia rau cov tuam txhab hluav taws xob maus taus, hais kom lawv nce peev hauv kev tshawb fawb thiab kev tsim cov thev naus laus zis tshiab, ua kom lub zog ntsuab hloov pauv hauv kev thauj mus los hauv hluav taws xob.