US imapanga njira yoyesera yofulumira kuti iwunikire kuwonongeka kwa magalimoto otetezedwa ndi graphene

2020-11-25

Kwa magalimoto, ndege ndi zombo, zotchinga za graphene zimatha kupereka chitetezo kwazaka zambiri ku dzimbiri la okosijeni, koma kuwunika momwe zimagwirira ntchito kwakhala kovuta. Malinga ndi malipoti a zoulutsira nkhani zakunja, asayansi ku Los Alamos National Laboratory ku United States apereka lingaliro lothekera lothetsera vutoli.

Wofufuza wamkulu Hisato Yamaguchi anati: "Timapanga ndi kugwiritsa ntchito mpweya wowononga kwambiri, ndikuwona momwe mphepo imathamangira pa zinthu zoteteza za graphene. Kungopatsa mamolekyu okosijeni mphamvu pang'ono, titha kutulutsa zidziwitso za dzimbiri kwazaka zambiri. Tapanga mwachinyengo gawo la mpweya, kuphatikizapo mpweya wokhala ndi mphamvu yogawa mphamvu, ndikuwonetsa zitsulo zotetezedwa ndi graphene ku mpweya uwu."

Mphamvu ya kinetic ya mamolekyu ambiri a okosijeni imatenga zaka makumi ambiri kuti ipangitse dzimbiri muzitsulo. Komabe, gawo laling'ono la okosijeni wachilengedwe wokhala ndi mphamvu yayikulu ya kinetic mu kugawa kwamphamvu kwakuthupi kumatha kukhala gwero lalikulu la dzimbiri. Yamaguchi adati: "Kupyolera mu kuyesa kofananira ndi zotsatira zofananira, zikuwoneka kuti njira yodutsa mpweya wa graphene ndi yosiyana kwambiri ndi mamolekyu omwe ali ndi mphamvu ya kinetic komanso opanda mphamvu pang'ono. Chifukwa chake, titha kupanga zinthu zopangira ndikuyesa kufulumizitsa kuyesa kwa dzimbiri. ”

Akuti ku United States kokha, kuwonongeka komwe kumachitika chifukwa cha kuwonongeka kwa zitsulo kumapanga pafupifupi 3% ya ndalama zonse zapakhomo (GDP), ndipo kungathe kufika mathililiyoni a madola padziko lonse. Mwamwayi, kusanthula kwaposachedwa kwapeza kuti mamolekyu okosijeni amatha kulowa mkati mwa graphene momasuka koma osawononga atapatsidwa mphamvu zowonjezera za kinetic, kotero kuti mphamvu ya njira zochizira za graphene popewa dzimbiri zitha kusanthula.

Ofufuza ananena kuti mamolekyu a okosijeni akapanda kukhudzidwa ndi mphamvu ya kinetic, graphene imatha kukhala chotchinga chabwino kwa mpweya.