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Yam ntxwv Graphene Thiab Nws Daim Ntawv Thov

Ua ntej, graphene khoom profile

Tam sim no lub ntiaj teb no tsis yog qhov tseeb txhais ntawm graphene. 2004 British University of Manchester kws tshawb fawb Andrei Heim thiab Constantine Norfolkov pom monolayer graphene (graphene). Lawv tau muab 2010 Nobel Prize rau hauv Physics rau lawv txoj haujlwm tshawb fawb zoo hauv graphene cov ntaub ntawv. Yog li, cov graphene thawj zaug tsuas yog hais txog ib txheej ntawm carbon atoms los ntawm ib cov qauv ntawm cov khoom tshiab, tsuas yog ib qho carbon atom thickness ntawm cov khoom siv ob sab. Txawm li cas los xij, cov kev tshawb fawb soj ntsuam pom tias, ntawm qhov hluav taws xob ntawm ob thiab peb, thiab kaum tawm ntawm cov roj carbon atoms tseem muaj lawv tus kheej tshwj xeeb lub cev, lub thickness ntawm 10 txheej ntawm carbon atoms nyob rau hauv daim ntawv ntawm graphite khoom yog Txhais tau tias yog graphene Qhov sib cav yog maj lees paub los ntawm kev kawm. Lub Koom Haum Teev Tseg Sawv Daws Tuam Tshoj uas nyuam qhuav tau tsim muaj los ntawm cov txheej txheem ntawm 10 txheej ntawm carbon atoms nyob rau hauv cov khoom siv rau cov graphene ntau.

Graphene yog cov khoom siv yees siv, tsuav yog qhov sib ntxiv ntawm me ntsis mus rau lwm cov ntaub ntawv kuj muaj qhov nyhuv magical, tsim nyog ntawm cov khoom siv khoom "super khoom." Graphene tsis yog "thinnest, muaj zog tshaj", raws li tus neeg xyuas hluav taws xob, nws zoo tshaj lwm yam khoom siv thermal cov nyhuv. Siv graphene, cov kws tshawb fawb tau tsim muaj ntau yam khoom siv tshiab nrog cov khoom tshwj xeeb. Vim nws tsis tshua muaj peev xwm tswj tau, electron migration yog ceev heev, nws yuav tsum tau siv los tsim thinner, sai chips, hloov silicon. Txij li ntawm graphene yog ib qho tseemceeb, cov neeg ua haujlwm zoo, nws kuj yog tsim los ua cov ntxiab kov cov ntxaij vab tshaus, lub phiaj rau lub teeb, thiab lub hnub qub. Super capacitors thiab chips, yog lub ntiaj teb lub hom phiaj ntawm txoj kev tshawb ntawm graphene teb, tab sis tseem lub neej yav tom ntej ntawm qhov txiaj ntsim ntawm qhov kev kawm tau zoo ntawm graphene. Daim ntawv thov ntawm graphene yuav tsum yog tus txheej txheem uas nthuav tawm txij theem qis kawg mus rau siab kawg. Kev siv cov kev siv tsawg kawg ntawm cov graphene yuav nce hauv ob lub xyoos los yog peb xyoos, thiab kev siv cov yees duab ntawm photovoltaic thiab hloov lub thawv nti chip chip, tseem siv sij hawm ntev. "

Thib ob, ua los ntawm graphene

Cov khoom siv ntawm graphene yog muab faib ua ob pawg: graphene film thiab graphene hmoov. Muaj ntau txoj hauv kev los npaj cov graphene hauv txoj kev sim (saib daim duab nram qab no). Txawm li cas los xij, txoj kev loj hlob ntawm graphene yog ob hom: ib qho yog siv cov tshuaj vapor deposition hauv cov hlau ntub kom loj hlob ib tus txheej txheej yog siab heev, cheeb tsam loj ntawm graphene zaj duab xis; Ib qho yog lub graphite ntawm lub cev los ntawm kev siv lub cev los yog tshuaj Txheej txheem ntawm crushing, tsim cov graphene hmoov. Graphene hmoov zoo nkaus li zoo li cov hmoov dub nplaum. Txav graphene hmoov thiab graphene zaj duab xis tau nruab nrog huab hwm coj ntau lawm, yuav tsum muaj ntau yam ntawm cov ntawv siv ntawm graphene yuav muaj ntau txheej txheem. Raws li cov khoom siv high-tech, cov txheej txheem graphene hmoov ntau lawm, kev tshawb nrhiav thiab kev tsim kho, technology thiab khoom yog qhov tseem ceeb heev, cov nqi ntawm cov nqi zog ua haujlwm tsawg heev. Txhua xyoo muaj peev xwm ntawm 50 tons ntawm graphene hmoov lag luam, cov txheej txheem ntau lawm tsuas yog ib txhia neeg ua haujlwm xwb.

Peb, daim ntawv thov ntawm graphene

1, daim ntawv thov graphene zaj duab xis

Txawb xov tooj kov npo los pib thawj koob tshuaj ntawm graphene movie daim ntawv thov. Graphene zaj duab xis nyob rau hauv lub chaw kaj lug nyob rau 2014 yog nyob rau hauv qhov screen kov cheeb tsam, 2015 nyob rau hauv lub yooj yim zaub, yuav hnav hluav taws xob yuav yog ib tug breakthrough. Raws li kev txheeb cais, mobile ntaus kov screen ntau lawm hauv 2015 yuav mus txog 36 lab square meters. Qhov no kuj qhia tau tias qhov chaw ua lag luam ntawm graphene ITO zaj duab xis mus rau ib qhov twg. Xyoo 2016 cov lag luam hauv tsev thiab txawv teb chaws tuaj yeem nyob rau lub yoojyim solar cell breakthrough, 2017 tej zaum yuav ua cov ntawv teev npe loj hauv cov txuj tshawb fawb thiab kev siv tshuab. "Nws to taub tias graphene zaj duab xis cov ntaub ntawv tau nyob rau hauv kev kho mob teb tau kuj ua ib tug kov yeej, tau txais kev ntsuam xyuas zoo dua.

2, daim ntawv thov graphene hmoov

Qhov sib txawv ntawm "graphene hmoov", qhov tseeb, yog ib txheej txheej graphene thiab ntau txheej txheej graphene hmoov sib tov. Nws daim ntawv thov kuj tseem ceeb heev.

Ib tug, cov graphene hmoov ntxiv mus rau cable, yuav zoo heev rau kev ua tau zoo ntawm cov khoom siv hluav taws xob, cable profit margins tseem yuav raug kho dua, kev lag luam prospect yog loj heev.

B, graphene hmoov tsis zinc oxide anticorrosive txheej, lub graphene yuav hloov tau 50 qhov chaw ntawm zinc oxide, uas txhais tau hais tias yog yav tom ntej nrog graphene tsis zinc oxide, anti-corrosion txheej ntawm ib ton yuav txo tau tus nqi 1000 ntawm 2,000 yuan; Ib co Yas khoom, vim hais tias qhov sib ntxiv ntawm graphene thiab muaj lub thermal muaj nuj nqi.

C, hauv kev lag luam cov roj teeb lithium-ion, lithium iron phosphate raws li lub hwj chim lithium-ion roj teeb yog ib qho ntawm feem kev txhawj xeeb txog cov khoom siv cathode, muaj teeb meem tsis muaj hluav taws xob. Nws muaj peev xwm los txhim kho cov hluav taws xob hluav taws xob ntawm lithium iron phosphate rau ib qho twg uas yog siv cov graphite zoo tib yam, tab sis nws tsis ncav cuag lub xeev zoo tshaj. Yog hais tias siv cov graphene hmoov rau ntawm phosphate hlau hloov ntawm lithium iron phosphate, tau zoo heev kom cov conductivity ntawm lithium iron phosphate, kuj txo cov roj teeb ua hauj lwm, qhov no ua kom lub roj teeb siab tam sim no.

Daim ntawv thov tsuas yog ib feem ntawm qhov kev siv graphene daim ntaub ntawv, nws daim ntawv thov kev pom zoo muaj ntau heev, uas yog lees paub los ntawm lub koom txoos hauv tsev thiab sab nraud. Yog li ntawd, kev loj hlob ntawm kev ua haujlwm graphene ntau lawm thiab daim ntawv tshawb fawb yog lub ntsiab lus ntawm kev tshawb fawb, tsim nyog ntawm peb cov kev xav.


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