Graphite gbasaara agbasaa bụ ụdị ihe dị ka ikpuru na-enweghị oghere nke a na-enweta site na flake graphite eke site na nchikọta, ịsa, ịkpọ nkụ na mgbasawanye okpomọkụ dị elu. Ọ bụ ihe ọhụrụ nwere ihe carbon dị nro ma nwee oghere. N'ihi ntinye nke ihe na-eme ka ihe dị n'etiti, ahụ graphite nwere njirimara nke iguzogide okpomọkụ na ike eletrik, a na-ejikwa ya nke ọma na mkpuchi, nchekwa gburugburu ebe obibi, ihe na-egbochi ire ọkụ na ihe ndị na-anaghị agba ọkụ na mpaghara ndị ọzọ. Onye nchịkọta akụkọ Furuite Graphite na-esote na-ewebata nhazi na ọdịdị elu nke graphite gbasaara agbasaa:
N'afọ ndị na-adịbeghị anya, ndị mmadụ na-elebara mmetọ gburugburu ebe obibi anya nke ọma, ngwaahịa graphite nke e ji usoro electrochemical kwadebe nwere uru nke obere mmetọ gburugburu ebe obibi, obere ọdịnaya sulfur na ọnụ ala dị ala. Ọ bụrụ na electrolyte ahụ emerụghị ahụ, enwere ike iji ya mee ihe ọzọ, yabụ ọ dọtara ọtụtụ mmasị. Ejiri ngwakọta nke phosphoric acid na sulfuric acid mee ihe dị ka electrolyte iji belata mkpokọta acid, mgbakwunye nke phosphoric acid mekwara ka iguzogide oxidation nke graphite gbasaa dịkwuo elu. Graphite a gbasaara amụba nwere mmetụta dị mma na-egbochi ire ọkụ mgbe ejiri ya dị ka ihe mkpuchi okpomọkụ na ihe ndị na-anaghị agba ọkụ.
SEM chọpụtara ma nyochaa obere ọdịdị nke flake graphite, graphite a na-agbasa na graphite a gbasaa. N'oge okpomọkụ dị elu, ihe ndị dị n'etiti oyi akwa dị na graphite a na-agbasa ga-ere ere iji mepụta ihe ndị na-eme ka gas dị, mmụba gas ga-emepụta ike siri ike iji gbasaa graphite n'akụkụ nke axis C iji mepụta graphite a gbasaa na ọdịdị ikpuru. Ya mere, n'ihi mmụba ahụ, a na-amụba mpaghara elu nke graphite a gbasaa, enwere ọtụtụ oghere dị ka akụkụ ahụ n'etiti lamellae, nhazi lamellar ka dị, a na-ebibi ike van der Waals n'etiti oyi akwa, a na-agbasa ngwakọta intercalation nke ọma, a na-amụbakwa oghere dị n'etiti oyi akwa graphite.
Oge ozi: Maachị-10-2023