Nyob rau hauv xyoo tsis ntev los no, ntau lub ntsej muag tau them rau supermanital graphene. Tab sis dab tsi yog graphene? Zoo, xav txog qhov khoom uas yog 200 lub sij hawm muaj zog dua li cov hlau, tab sis 1000 zaus sib dua dua li ntawv.
Xyoo 2004, ob tug kws tshawb fawb los ntawm University of Manchester, Andrei geim thiab konstantin novoselov, "ua si" nrog graphite. Yog lawm, tib yam uas koj pom ntawm tus xaum ntawm. Lawv tau xav paub txog cov ntaub ntawv thiab xav paub yog tias nws tuaj yeem raug tshem tawm hauv ib txheej. Yog li lawv pom ib qho kev hloov pauv txawv: duct daim kab xev.
"Koj nteg [daim kab xev] dhau graphite lossis mica thiab tom qab ntawd tev tawm ntawm txheej sab saum toj," heim tau piav qhia rau BBC. Graphite flakes ya tawm daim kab xev. Tom qab ntawv muab kab xev hauv ib nrab thiab kua nplaum nws rau saum toj kawg nkaus, tom qab ntawd cais lawv dua. Tom qab ntawv koj rov hais dua cov txheej txheem no 10 lossis 20 zaug.
"Txhua zaus cov plaub ya los tsoo mus rau hauv thinner thiab thinner flakes. Thaum kawg, muaj cov ntaub qhwv tshiab. Koj yaj cov kab xev thiab txhua yam yaj."
Kuj ceeb tias, daim kab xev qauv ua haujlwm xav tau. Qhov kev sim no nthuav tawm coj mus rau qhov nrhiav pom ntawm ib-txheej graphene flakes.
Hauv xyoo 2010, nws tau txais cov khoom plig uas muaj nqi zog rau hauv lub cev rau cov roj ntsha li ntawm cov roj ntsha ua haujlwm hauv cov roj av hexagonal, zoo ib yam li cov nqaij qaib.
Ib qho ntawm cov ntsiab lus tseem ceeb graphene yog qhov ua tau zoo heev yog nws cov qauv. Ib txheej ntawm lub pristine graphene tshwm sim ua txheej txheej ntawm cov roj carbon atoms teem rau hauv cov qauv siab tawv. Qhov no atomic-teev honeycomb tus qauv muab graphene nws lub zog zoo.
Graphene kuj tseem yog hluav taws xob superstar. Nyob rau hauv chav tsev kub, nws ua hluav taws xob zoo dua li lwm yam khoom siv.
Nco ntsoov cov pa roj carbon atoms peb tau sib tham? Zoo, lawv txhua tus muaj hluav taws xob ntxiv hu ua PI electron. Cov tshuab hluav taws xob no tau txav dawb, tso cai rau nws los ua kev tab los ntawm ntau txheej ntawm graphene nrog me tsis kam.
Cov kev tshawb fawb tsis ntev los no ntawm Massachusetts lub koom haum thev naus laus zis
Qhov no txhais tau tias nws muaj hluav taws xob tsis muaj hluav taws xob lossis cua sov, qhib kev muaj peev xwm zoo rau kev hloov pauv ntawm superconductivity ntawm chav sov.
Ib qho ntawm cov ntawv thov uas xav tau tshaj plaws ntawm graphene yog nyob rau hauv cov roj teeb. Ua tsaug rau nws cov kev ua haujlwm zoo dua, peb tuaj yeem tsim cov roj teeb duab uas them sai dua li cov roj teeb lithium.
Qee cov tuam txhab loj xws li Samsung thiab Huawei tau coj txoj kev no, txawm tias yuav qhia cov kev nce qib no rau hauv peb cov khoom siv txhua hnub.
"Los ntawm 2024, peb cia siab tias muaj ntau ntawm Graphene cov khoom lag luam thiab cov kws tshawb fawb ntawm Graphene Flagship, ib qho kev pib ua ke ntawm European graphene. Lub tuam txhab yog nqis peev 1 billion euros hauv cov haujlwm sib koom tes. Tej yaam num. Lub Alliance ua kom muaj kev txhim kho ntawm graphene thev naus laus zis.
Chij cov kev tshawb fawb tau tsim cov teeb meem graphene uas muab cov roj teeb zoo tshaj li niaj hnub no. Lwm pawg tau tsim cov duab graphene-raws li hnub ci uas yog 20 feem pua ua tau zoo dua ntawm kev hloov lub hnub ci hauv kev hluav taws xob.
Thaum muaj qee cov khoom thaum ntxov uas tau siv lub peev xwm ntawm graphene, xws li cov cuab yeej kis las kis las, qhov zoo tshaj plaws tseem tsis tau tuaj. Raws li Ferrari tau sau tseg: "Peb tham txog graphene, tab sis nyob rau hauv kev muaj tiag, tab sis nyob rau hauv kev muaj tiag, tab sis nyob rau hauv kev muaj tiag peb tab tom hais txog ntau cov kev xaiv raug kawm. Tej yam yog txav mus rau txoj kev kawm."
Cov ntawv xov xwm no tau hloov kho siv cov kws txawj ntse thev naus laus zis, kev ntsuas pom tseeb, thiab kho los ntawm kev kho kom zoo.
Cov cuab yeej ua si cov khoom ua si tsim lub taub hau tau siv cov khoom siv zoo no. Lawv graphene XT ntaus pob tesniv tau hais tias yuav tsum tau 20% sib dua ntawm qhov hnyav. Qhov no yog cov thev naus laus zis trully!
`; T.Byline_Autors_HTML && (E + 作者: $ { "), T.Byline_Date_html & t.Byline_date_html. xa e + = `\ n \ t \ t \ t
Lub Sijhawm Post: Nov-21-2023