Manje emakethe, inqwaba yepensela yepensela yenziwe ngegrafu yesikali, ngakho-ke kungani kungahle kube khona i-graphil yepensela? Namuhla i-xiaobian ye-xiaobian yanamuhla izokutshela ukuthi kungani ukukala i-graphite kungaba ukuhola kwepensela:
Kungani i-flake graphite ingasetshenziswa njengokuhola kwepensela
Okokuqala, mnyama; Okwesibili, unokuthungwa okuthambile okushiya umkhondo njengoba kungena kalula ephepheni. Uma uyibheka ngaphansi kwengilazi ekhulisayo, ukubhala kwepensela kwenziwa izikali ezincane ze-graphite.
Ama-athomu e-carbon ku-graphite ye-flake ahlelwe ngezingqinamba, futhi ukuxhumana phakathi kwezingqimba kubuthakathaka kakhulu, kanti ama-athomu amathathu e-carbon asezandleni aqine kakhulu, ngakho-ke uma ucindezelwe, linye inqwaba yamakhadi okudlala. Ngokucindezela okumnene, amakhadi ahlukana ngokwahlukana.
Eqinisweni, ukuhola kwepensela kwenziwa ngegrafu yesikali nobumba kuxutshwe ngengxenye ethile. NgokweZinga Likazwelonke, kunezinhlobo eziyi-18 zamapensela ngokuya ngokuhlushwa kwe-flake. I- "H" imele ubumba futhi isetshenziselwa ukukhombisa ubunzima bokuhola kwepensela. Kukhudlwana inombolo ngaphambi kwe- "H", okusho ukuthi ukuhola, okusho ukuthi ubukhulu bengxenye yobumba obuhlanganiswe negrafu eholile, okubonakalayo okuvame ukusetshenziselwa ukukopisha.
Isikhathi sePosi: APR-13-2022