I-graphite eyandisiweyo luhlobo lwento efana nempethu ekhululekileyo nenemingxuma efunyenwe kwi-graphite yendalo enezikhewu ngokusebenzisa i-intercalation, ukuhlamba, ukomisa kunye nokwandiswa kobushushu obuphezulu. Yinto entsha yekhabhoni ekhululekileyo nenemingxuma. Ngenxa yokufakwa kwe-arhente ye-intercalation, umzimba we-graphite uneempawu zokumelana nobushushu kunye nokuqhuba kombane, kwaye isetyenziswa kakhulu ekutywineni, ekukhuseleni okusingqongileyo, kwizinto ezithintela ilangatye kunye nezithintela umlilo kunye nezinye iindawo. Umhleli olandelayo we-Furuite Graphite uzisa isakhiwo kunye nemo yomphezulu we-graphite eyandisiweyo:
Kwiminyaka yakutshanje, abantu banikela ingqalelo ngakumbi kungcoliseko lokusingqongileyo, kwaye iimveliso zegrafiti ezilungiselelwe ngendlela ye-electrochemical zinezibonelelo zongcoliseko oluncinci lokusingqongileyo, umxholo wesalfure ophantsi kunye nexabiso eliphantsi. Ukuba i-electrolyte ayingcoliswanga, inokusetyenziswa kwakhona, ngoko ke itsale ingqalelo enkulu. Isisombululo esixutyiweyo se-phosphoric acid kunye ne-sulfuric acid sisetyenziswe njenge-electrolyte ukunciphisa uxinzelelo lwe-asidi, kwaye ukongezwa kwe-phosphoric acid nako kwandisa ukumelana ne-oxidation ye-grafiti ekhulisiweyo. Igrafiti ekhulisiweyo elungisiweyo inefuthe elihle lokurhoxisa ilangatye xa isetyenziswa njenge-insulation yobushushu kunye nezinto ezingatshiyo.
I-micro-morphology ye-flake graphite, i-expandable graphite kunye ne-expandable graphite ifunyenwe yaza yahlalutywa yi-SEM. Kubushushu obuphezulu, ii-interlayer compounds kwi-expandable graphite ziya kubola ukuze zivelise izinto zegesi, kwaye ukwanda kwegesi kuya kuvelisa amandla anamandla okwandisa i-graphite kwicala le-C axis ukuze kwenziwe i-expandable graphite kwimo ye-worm. Ke ngoko, ngenxa yokwanda, indawo ethile yomphezulu we-expandable graphite iyanda, kukho ii-organ-like pores ezininzi phakathi kwe-lamellae, isakhiwo se-lamellar sihlala, amandla e-van der Waals phakathi kwee-layers ayatshatyalaliswa, ii-intercalation compounds zanda ngokupheleleyo, kwaye isithuba phakathi kwee-graphite layers siyanda.
Ixesha lokuthumela: Matshi-10-2023