Mgbe a na-emeso graphite gbasaa ngwa ngwa na oke okpomọkụ, ọnụ ọgụgụ ahụ na-aghọ irighiri, na olu nwere ike gbasaa ugboro 100-400. Nke a na-agbasawanye graphite ka na-edobe ihe onwunwe nke eke graphite, nwere ezi expandability, rụrụ na porous, na-eguzogide okpomọkụ n'okpuru oxygen ihe mgbochi ọnọdụ. Ogologo oke, nwere ike ịdị n'etiti -200 ~ 3000 ℃, chemical Njirimara na-eguzosi ike n'okpuru elu okpomọkụ, elu nrụgide ma ọ bụ radieshon ọnọdụ, na ike na static akara nke mmanụ ụgbọala, chemical, eletriki, ụgbọ elu, ụgbọ ala, ụgbọ mmiri na ngwá ọrụ E nwere a dịgasị iche iche nke ngwa. Ndị na-edezi Furuit Graphite ga-akpọrọ gị ka ị ghọta usoro mmepụta ihe nke graphite na-agbasa:
1. Ultrasonic oxidation usoro ka expandable graphite.
Na usoro nke ịkwadebe graphite gbasaa, ultrasonic vibration na-eme na electrolyte anodized, na oge ultrasonic vibration bụ otu ihe ahụ dị ka nke anodization. Ebe ọ bụ na vibration nke electrolyte site na ultrasonic ebili mmiri bara uru na polarization nke cathode na anode, a na-eme ngwa ngwa nke oxidation anodic na oge oxidation na-ebelata;
2. Usoro nnu gbazere na-eme ka graphite gbasaa.
Gwakọta ọtụtụ ntinye na graphite na okpomọkụ iji mepụta graphite gbasaa;
3. A na-eji usoro mgbasa ozi nke gas na-eme ka graphite gbasaa.
The graphite na intercalated ihe na-n'otu n'otu na-ewetara na nsọtụ abụọ nke agụụ mechiri tube, kpụ ọkụ n'ọnụ na njedebe nke intercalated ihe, na mkpa mmeghachi omume nrụgide dị iche iche na-etolite site okpomọkụ dị iche n'etiti abụọ nsọtụ, nke mere na intercalated ihe na-abanye na flake graphite oyi akwa na steeti obere ụmụ irighiri ihe, si otú Kwadebe expandable graphite. Enwere ike ịchịkwa ọnụ ọgụgụ nke ọkwa nke graphite gbasaa site na usoro a, ma ọnụ ahịa mmepụta ya dị elu;
4. The chemical intercalation usoro na-eme ka expandable graphite.
Ngwa ngwa eji eme ihe maka nkwadebe bụ graphite carbon flake dị elu, yana reagents ndị ọzọ kemịkalụ dị ka sulfuric acid gbanyere mkpọrọgwụ (karịa 98%), hydrogen peroxide (karịa 28%), potassium permanganate, wdg bụ ndị nrụpụta ọkwa ụlọ ọrụ niile. The n'ozuzu nzọụkwụ nke nkwadebe bụ dị ka ndị a: na ihe kwesịrị ekwesị okpomọkụ, hydrogen peroxide ngwọta, eke flake graphite na lekwasị sulfuric acid nke dị iche iche n'ike-n'ike na-meghachi omume maka oge ụfọdụ n'okpuru mgbe nile edemede na dị iche iche mgbakwunye usoro, wee saa na mmiri na-anọpụ iche, na centrifuged, Mgbe akpịrị ịkpọ nkụ, agụụ ihicha na 60 Celsius C;
5. Electrochemical mmepụta nke graphite expandable.
A na-emeso ntụ ntụ graphite na acid electrolyte siri ike iji mee graphite gbasaa, hydrolyzed, saa na akpọnwụwo. Dị ka acid siri ike, sulfuric acid ma ọ bụ nitric acid na-ejikarị eme ihe. Grafite na-agbasawanye nke a nwetara site na usoro a nwere ọdịnaya sọlfọ dị ala.
Oge nzipu: Mee-27-2022