Fadada graphite wani nau'i ne na sako-sako da nau'in tsutsotsi mai kama da tsutsotsi wanda aka samo daga graphite flake na halitta ta hanyar tsaka-tsaki, wankewa, bushewa da faɗaɗa yanayin zafi. Sabbin kayan carbon ne sako-sako da ƙorafi. Saboda shigar da wakili na intercalation, jikin graphite yana da halaye na juriya na zafi da ƙarfin lantarki, kuma ana amfani dashi sosai a cikin rufewa, kariya ta muhalli, ƙarancin wuta da kayan hana wuta da sauran filayen. Edita mai zuwa na Furuite Graphite yana gabatar da tsari da yanayin yanayin faffadan graphite:
A cikin 'yan shekarun nan, mutane suna ba da hankali sosai ga gurɓataccen muhalli, kuma samfuran graphite da aka shirya ta hanyar hanyar lantarki suna da fa'idodin ƙarancin gurɓataccen muhalli, ƙarancin sulfur da ƙarancin farashi. Idan electrolyte bai gurbata ba, ana iya sake amfani da shi, don haka ya ja hankali sosai. Maganin gauraye na phosphoric acid da sulfuric acid an yi amfani da shi azaman electrolyte don rage yawan adadin acid, da ƙari na phosphoric acid kuma yana haɓaka juriya na oxidation na graphite mai faɗaɗa. Hotunan da aka faɗaɗa da aka shirya yana da kyakkyawan sakamako na hana wuta lokacin da aka yi amfani da shi azaman rufin zafi da kayan hana wuta.
An gano ƙananan ƙwayoyin halittar graphite na flake, graphite mai faɗaɗawa da faɗaɗa graphite kuma an bincikar ta SEM. A babban zafin jiki, mahadi masu tsaka-tsaki a cikin graphite mai faɗaɗawa za su bazu don samar da abubuwan gas, kuma haɓakar iskar gas zai haifar da ƙarfin tuƙi don faɗaɗa graphite tare da jagorar C axis don samar da graphite mai faɗaɗa a cikin siffar tsutsa. Sabili da haka, saboda haɓakawa, ƙayyadaddun yanki na graphite da aka faɗaɗa ya karu, akwai nau'i-nau'i masu kama da gabobin da ke tsakanin lamellae, tsarin lamellar ya kasance, ƙarfin van der Waals tsakanin yadudduka ya lalace, mahadi masu tsaka-tsakin sun cika cikakke. fadada, kuma tazara tsakanin graphite yadudduka an ƙara.
Lokacin aikawa: Maris-10-2023