Nov yog qee cov ntsiab lus tseem ceeb los txiav txim siab txog qhov inertness ntawm graphite electrodes:
Tshuaj Stability: Graphite feem ntau ruaj khov thiab inert nyob rau hauv ntau yam mob. Nws tsis hnov mob nrog rau feem ntau cov kua qaub lossis cov hauv paus, uas ua rau nws haum rau ntau yam txheej txheem tshuaj. Txawm li cas los xij, nws tuaj yeem ua rau qee yam mob, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias thiab muaj cov oxidizing cov neeg ua haujlwm.
Oxidation: Ntawm qhov kub siab (feem ntau siab dua 400 degree lossis 752 degree F), graphite tuaj yeem oxidized thaum raug oxygen. Qhov no oxidation tuaj yeem ua rau degradation ntawm cov khoom siv electrode, ua rau carbon dioxide lossis carbon monoxide. Yog li, nyob rau hauv ib puag ncig oxidative, graphite electrodes tsis inert.
Ib puag ncig tej yam kev mob: Hauv kev txo cov huab cua lossis cov pa roj tsis zoo (xws li argon lossis nitrogen) ntawm qhov kub thiab txias, graphite tuaj yeem ua rau muaj qhov tsis zoo dua piv rau cov khoom siv ntau dua. Txawm li cas los xij, lub inertness yog conditional raws li ib puag ncig ib puag ncig.
Electrochemical Reactions: Hauv cov ntawv thov electrochemical, graphite electrodes tuaj yeem koom nrog cov tshuaj tiv thaiv. Piv txwv li, hauv electrolysis lossis roj teeb daim ntawv thov, lawv tuaj yeem poob lossis nce electrons, qhia tias muaj kev cuam tshuam ntau dua li qhov tsis muaj zog hauv cov ntsiab lus ntawd.
Thermal stability: Graphite muaj kev ruaj ntseg zoo heev, cia nws tiv taus qhov kub thiab txias yam tsis muaj melting. Txawm li cas los xij, nws tus cwj pwm thermal nyob rau hauv qee yam mob (xws li raug oxidizing ib puag ncig) tuaj yeem ua rau muaj kev cuam tshuam.
