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California University ua cov roj teeb diaphragm tshiab kom tsis txhob muaj roj teeb kub dhau los ntawm kev siv cov pa roj carbon nanotube nets

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Umhlinzeki Wesiteshi Samandla Esiphathekayo

Tus nano-engineer ntawm University of California San Diego tau tsim ib qho kev nyab xeeb uas tiv thaiv cov roj teeb lithium hlau los ntawm kev kub ceev thiab raug rho tawm haujlwm thaum lawv luv luv. Liu Ping, tus xibfwb ntawm nano-engineering los ntawm California, San Diego, tau luam tawm ib daim ntawv nyob rau hauv "Advanced Materials" magazine, luam tawm nyob rau hauv "Advanced Materials" magazine, qhia txog lawv cov hauj lwm kom ntxaws. Cov roj teeb lithium hlau muaj peev xwm ua tau zoo, tab sis nws yooj yim los ua tsis tiav hauv daim ntawv tam sim no.

Qhov no yog vim qhov kev loj hlob ntawm cov qauv ntawm koob hu ua dendritic siv lead ua, lub dendrimature yog tsim nyob rau hauv lub anode tom qab lub roj teeb them, thiab cov separator yuav pierced, thiab cov separator yog tsim ntawm lub anode thiab cathode. Barrier, qeeb zog thiab kub khiav. Thaum qhov kev cuam tshuam no raug rhuav tshem thiab cov hluav taws xob tuaj yeem ntws tau yooj yim dua, lawv tsim cov calorie ntau ntau, thiab cov khoom yuav tsis muaj kev tswj hwm, ua rau lub roj teeb overheating, tsis ua hauj lwm, hluav taws kub, txawm tias tawg.

Cov kws tshawb fawb tab tom nrhiav los daws cov teeb meem no hauv cov roj teeb lithium hlau hauv ntau txoj hauv kev, qhov twg ultrasonic lossis cov txheej tiv thaiv tshwj xeeb siv ultrasound lossis cov txheej tiv thaiv tshwj xeeb los ntawm tsuas yog ob peb txoj hauv kev. Pab neeg no tau tshem tawm ib feem ntawm lub roj teeb hu ua diaphragm. Lub diaphragm yog ib qho kev thaiv ntawm qhov zoo electrode thiab qhov tsis zoo electrode, yog li ntawd thaum lub roj teeb luv luv, lub zog ntawm lub roj teeb (uas yog, cua sov) ntws qeeb.

Thawj tus kws sau ntawv thesis stunned: “Peb tsis sim tiv thaiv lub roj teeb tsis ua haujlwm. Peb tsuas yog ua kom lub roj teeb ruaj ntseg dua, yog li thaum nws ua tsis tiav, lub roj teeb yuav tsis ntes hluav taws lossis tawg. Cov roj teeb lithium hlau Tom qab rov them dua, lub anode yuav tshwm sim hauv lub anode.

Thaum lub sij hawm, lub dendritic kev loj hlob yog ntev txaus, nkag mus rau lub diaphragm, tsa ib tug choj ntawm lub anode thiab lub cathode, ua rau sab hauv luv circuits. Thaum qhov no tshwm sim, cov hluav taws xob ntws ntawm ob lub electrodes poob tswj, ua rau lub roj teeb tig dhau los thiab tsis ua haujlwm. Pab pawg tshawb fawb hauv University of California San Diego tau yooj yim txo qis.

Ib sab npog cov txheej nyias nyias, qee qhov hluav taws xob ua hluav taws xob carbon nanotube network, uas tuaj yeem cuam tshuam txhua qhov tsim ntawm dendrites. Thaum ib tug dendritic muab tshuaj txhuam lub diaphragm thiab ntaus cov pa roj carbon nanotube net, cov hluav taws xob muaj ib tug channel, uas yuav maj mam tso tawm, tsis ncaj qha mus rau lub cathode. Gonzalez yuav sib piv cov roj teeb tshiab cais rau txoj kev tso dej ntawm lub pas dej.

Nws hais tias: “Thaum lub pas dej tauv pib tawg, koj yuav qhib qhov nchuav, cia qee qhov dej ntws tawm hauv qhov tswj tau. Ua li no, thaum lub pas dej ua ke tiag tiag, tsis muaj dej ntau uas tuaj yeem ua rau dej nyab. Qhov no yog lub tswv yim ntawm peb lub separator, uas zoo heev txo cov paug tawm ceev, tiv thaiv hluav taws xob "dej" mus rau cathode.

Thaum lub dendritic cuam tshuam los ntawm cov txheej txheem conductive ntawm lub separator, lub roj teeb yuav pib tawm, yog li thaum lub roj teeb luv luv, tsis muaj zog txaus txaus ntshai. "Lwm cov kev tshawb fawb roj teeb ua haujlwm tseem ceeb hauv kev thaiv kev nkag mus ntawm dendrites nrog cov khoom muaj zog txaus. Tab sis Gonzalez tau hais tias ib qho teeb meem nrog txoj hauv kev no yog tias nws tsuas yog txuas ntxiv cov txiaj ntsig tsis muaj txiaj ntsig.

Cov tshuab cais no tseem xav tau zoo, cia ions dhau mus kom lub roj teeb ua haujlwm. Yog li ntawd, thaum kawg ntawm tsob ntoo, qhov luv luv yuav ua phem heev. Hauv kev sim, cov roj teeb lithium hlau tau teeb tsa hauv cov tshuab cais tawm tshiab qhia cov cim ntawm kev ua tsis tiav hauv 20 mus rau 30 lub voj voog.

Nyob rau tib lub sijhawm, lub roj teeb thiab ib txwm (thiab tuab me ntsis) kev sib cais dheev ua txhaum hauv ib lub voj voog. "Hauv qhov xwm txheej tiag tiag, koj yuav tsis muaj kev ceeb toom ua ntej txog lub roj teeb yuav ua tsis tiav. Qhov thib ob yav dhau los yuav zoo, nws yuav ntes hluav taws lossis luv luv Circuit Court tom ntej thib ob.

Qhov no yog unpredictable, "Gonzalez hais. "Tab sis nrog peb cov neeg sib cais, koj yuav tau ceeb toom ua ntej, qhov hnyav zuj zus tuaj, hnyav zuj zus tuaj, nce zuj zus ntxiv, . "Txawm hais tias lub hom phiaj ntawm txoj kev tshawb no yog cov roj teeb lithium hlau, cov kws tshawb fawb hais tias cov khoom sib cais no tuaj yeem siv rau hauv lithium ions thiab lwm yam tshuaj lom neeg roj teeb.

Pab neeg tshawb fawb yuav tau cog lus los ua kom zoo dua kev lag luam siv cov khoom sib cais. California University San Diego tau thov rau ib ntus patent rau txoj kev kawm.

Tau txais kev sib cuag nrog peb
Cov Lus Pom Zoo
Kev paub Xov xwm Hais txog Solar System
Tsis muaj ntaub ntawv

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