Ọdịdị na ọdịdị elu nke graphite gbasaa

Grafite gbasasịrị bụ ụdị ihe na-adịghị mma na nke na-asọ oyi nke a na-enweta site na graphite flake eke site na ntinye, ịsacha, ihicha na mgbasawanye okpomọkụ. Ọ bụ ihe ikuku carbon ọhụrụ na-esighị ike na nke nwere oghere. N'ihi ntinye nke onye na-eme ihe na-emekọrịta ihe, ahụ graphite nwere njirimara nke nguzogide okpomọkụ na eletriki eletrik, a na-ejikwa ya na akara, nchebe gburugburu ebe obibi, ọkụ ọkụ na ihe ọkụ ọkụ na mpaghara ndị ọzọ. Onye nchịkọta akụkọ Furuite Graphite na-ewebata nhazi na ọdịdị elu nke graphite gbasaa:

anyi

N'ime afọ ndị na-adịbeghị anya, ndị mmadụ na-etinyekwu uche na mmetọ gburugburu ebe obibi, na ngwaahịa graphite nke a kwadebere site na usoro electrochemical nwere uru nke obere mmetọ gburugburu ebe obibi, obere sọlfọ ọdịnaya na ọnụ ala. Ọ bụrụ na electrolyte adịghị emetọ, enwere ike iji ya mee ihe ọzọ, ya mere ọ dọtara mmasị dị ukwuu. A na-eji ihe ngwọta agwakọta nke phosphoric acid na sulfuric acid mee ihe dị ka electrolyte iji belata ntinye nke acid, na mgbakwunye nke phosphoric acid mekwara ka nkwụsị oxidation nke graphite gbasaa. Grafiit gbasaara nke a kwadebere nwere ezigbo ọkụ na-egbochi ọkụ mgbe ejiri ya dị ka ihe mkpuchi ọkụ na ihe ọkụ ọkụ.

Achọpụtara ma nyochaa micro-morphology nke graphite flake, graphite na-agbasawanye na graphite gbasaa site na SEM. N'ebe okpomọkụ dị elu, ogige interlayer na graphite na-agbasawanye ga-agbaze iji mepụta ihe ndị na-emepụta gas, na mgbasawanye gas ga-emepụta ike ịkwọ ụgbọala siri ike iji gbasaa graphite n'akụkụ ntụziaka nke C axis iji mepụta graphite gbasaa n'ụdị ikpuru. Ya mere, n'ihi mgbasawanye, ebe a kapịrị ọnụ nke graphite gbasaa na-abawanye, e nwere ọtụtụ akụkụ dị ka pores n'etiti lamellae, usoro nke lamellar na-anọgide, ike van der Waals n'etiti n'ígwé na-ebibi, intercalation ogige zuru ezu. gbasaa, na ohere dị n'etiti graphite n'ígwé na-abawanye.


Oge nzipu: Mar-10-2023