Cov duab nthuav dav yog ib hom uas xoob thiab txhaws cov tshuaj lom uas tau los ntawm cov tshuaj pleev ib ce los ntawm kev sib txuas, ntxuav, kom sov thiab kub kub. Nws yog xoob thiab ntxig granular cov khoom siv carbon tshiab. Vim yog cov ntxig rau ntawm tus neeg sawv cev sib txuam, lub cev muaj zog ntawm cov khoom siv hluav taws xob, thiab yog cov khoom tiv thaiv hluav taws xob, nplaim taws retardant thiab tua hluav taws thiab lwm daim teb. Cov nram qab no Editite Graphite qhia cov qauv thiab nplaim taw kev morphology ntawm nthuav graphite:
Nyob rau hauv xyoo tsis ntev los no, cov neeg them ntau dua thiab ntau dua cov khoom noj muaj kuab paug hauv electrochemical muaj qhov zoo ntawm kev ua kom ib puag ncig me me, cov neeg Sulfur cov ntsiab lus me me thiab tus nqi qis. Yog tias cov electrolyte tsis yog kuab paug, nws tuaj yeem rov qab siv dua, yog li nws tau ua tib zoo nyiam. Cov tshuaj sib tov ntawm phosphoric acid thiab cov sulfuric acid thiab cov sulfuric acid thiab ntxiv cov pa roj qaub, thiab ntxiv cov oxidation tsis kam ntawm cov graphite nthuav dav. Cov npaj npaj graphite muaj cov nplaim hluavtaws zoo retardant thaum siv raws li cov khoom siv cua sov thiab cov ntaub ntawv hluav taws kub.
Lub micro-morphology ntawm Flake Graphite, nthuav qhia graphite thiab nthuav graphite tau kuaj pom thiab tshuaj ntsuam los ntawm sem. Ntawm qhov kub thiab txias, cov kab ke interlayer hauv kev nthuav dav yuav decomple los nthuav cov qauv kev coj ua kom tsim cov qauv kev tsav tsheb ntawm cov kev coj ua kom tsim cov duab uas nthuav dav hauv cov duab cab. Yog li ntawd, vim yog qhov nthuav dav, qhov tshwj xeeb thaj tsam ntawm cov qauv nthuav dav nruab nrab ntawm cov kab uas muaj zog, muaj ntau qhov chaw sib txuas, thiab qhov sib txuas ntawm cov khaubncaws sab nraud povtseg yog nce.
Lub sij hawm ncua: Mar-10-2023