I-graphite enwetshiwe iwuhlobo lwento enjenge-Worm-efana ne-Worm-efana ne-Worm etholwe kusuka kugrafu ye-Flake yemvelo ngokuvalwa, ukugeza, ukomisa nokushisa okushisa okuphezulu. Kuyinto ebonakalayo evulekile ne-porous granular entsha. Ngenxa yokufakwa kwe-ejenti yokuxhumana, umzimba we-graphite unezimpawu zokumelana nokushisa nokuqina kukagesi, futhi kusetshenziswa kabanzi ekuvaleni, ekuvikelweni kwemvelo, izinto ezivuthayo zomlilo kanye nezinye izinkambu. Isihleli esilandelayo segrafu furuite sethula isakhiwo kanye ne-morphology engaphezulu kwegrafu enwetshiwe:
Eminyakeni yamuva nje, abantu banaka kakhulu ukungcoliswa kwemvelo, kanye nemikhiqizo ye-graphite elungiselelwe yi-Electrochemical Method inezinzuzo zokungcoliswa kwemvelo okuncane, okuqukethwe okuphansi kwesibabule kanye nezindleko eziphansi. Uma i-electrolyte ingangcoliswanga, ingasetshenziswa kabusha, ngakho-ke idonsele ukunakwa okuningi. Isixazululo esixubile se-phosphoric acid kanye ne-sulfuric acid sasisetshenziswa njenge-electrolyte ukunciphisa ukugcwala kwe-acid, kanye nokungezwa kwe-phosphoric acid nakho kwandisa ukumelana ne-oxidation of graphinate enwetshiwe. I-graphite elungiselelwe elungiselelwe inomphumela omuhle we-flame retardant lapho isetshenziswa njengokufakwa kwezinto ezishisayo nezinto zokwakha umlilo.
I-micro-morphology ye-flake graphite, i-graphite enwebekayo ne-graphite enwetshiwe yatholwa futhi ihlaziywe yi-SEM. Ekushiseni okuphezulu, ama-interlayer ahlanganisiwe ku-graphite anwebekayo azowathola ukukhiqiza izinto ezinhle, futhi ukwanda kwegesi kuzokhiqiza amandla okushayela aqinile ukwandisa i-graphite eceleni kwe-graphite ye-Worm. Ngakho-ke, ngenxa yokwanda, indawo ethile engaphezulu ye-graphite enwetshiwe iyanda, kunama-pores amaningi afana nama-pores phakathi kwe-lamellae, isakhiwo se-lamellar sihlala, i-van der Waals liyachithwa, futhi izikhala phakathi kwezendlalelo ze-graphite ziyanda.
Isikhathi sePosi: Mar-10-2023