Ubudage butegura uburyo bushya bwo kubyara amavuta biturutse kuri Oxide ya Metal

Abashakashatsi b'Abadage batangaje mu nomero iheruka gusohoka y’ikinyamakuru cyo mu Bwongereza ko bakoze uburyo bushya bwo gushonga ibishishwa bishobora guhindura okiside y’ibyuma ikomeye ikabamo ibimera bimeze nk'intambwe imwe. Ikoranabuhanga ntirisaba gushonga no kuvanga ibyuma nyuma yo kubikuramo, bifasha kugabanya ibyuka bihumanya ikirere no kubungabunga ingufu.

Abashakashatsi bo mu kigo cya Max Planck gishinzwe ibikoresho birambye mu Budage bakoresheje hydrogene mu mwanya wa karubone nk'igikoresho cyo kugabanya ibyuma no gukora amavuta ku bushyuhe buri munsi y’icyuma cyo gushonga, kandi batanze umusaruro ushimishije mu bushakashatsi. Amavuta yo kwaguka make agizwe na 64% fer na 36% nikel, kandi irashobora kugumana ubunini bwayo mubushyuhe bwinshi, bigatuma ikoreshwa cyane muruganda.

Abashakashatsi bavanze okiside ya fer na nikel ku kigero gikenewe kugira ngo ibe yagutse cyane, bayisunike neza hamwe n'urusyo rw'umupira hanyuma babukandagira muri keke ntoya. Bahise bashyushya imigati mu ziko kugeza kuri dogere selisiyusi 700 hanyuma binjiza hydrogen. Ubushuhe ntibwari hejuru bihagije gushonga icyuma cyangwa nikel, ariko byari hejuru bihagije kugirango ugabanye icyuma. Ibizamini byerekanaga ko icyuma gitunganijwe kimeze nk'icyuma gifite imiterere isanzwe yo kwaguka kwinshi kandi gifite imiterere ya mashini kubera ingano ntoya. Kuberako ibicuruzwa byarangiye byari muburyo bwo guhagarika aho kuba ifu cyangwa nanoparticles, byari byoroshye guta no gutunganya.

Guconga ibisanzwe gakondo birimo intambwe eshatu: icya mbere, okiside yicyuma mumabuye igabanywa nicyuma na karubone, hanyuma ibyuma bigacika karuboni hanyuma ibyuma bitandukanye bigashonga bikavangwa, hanyuma, gutunganya ubushyuhe-mashini birakorwa kugirango uhindure microstructure ya umusemburo wo kuyiha ibintu byihariye. Izi ntambwe zitwara ingufu nyinshi, kandi inzira yo gukoresha karubone kugirango igabanye ibyuma itanga urugero rwinshi rwa dioxyde de carbone. Umwuka wa karubone uva mu nganda zingana na 10% by'isi yose.

Abashakashatsi bavuze ko umusaruro ukoreshwa na hydrogène mu kugabanya ibyuma ari amazi, hamwe na zeru zangiza, kandi ko inzira yoroshye ifite amahirwe menshi yo kuzigama ingufu. Nyamara, ubushakashatsi bwakoresheje okiside yicyuma na nikel yubuziranenge bwinshi, nuburyo bwiza


Igihe cyo kohereza: Nzeri-25-2024