Dab tsi yog anodic thiab cathodic txheej?
Raws li kev sib raug zoo ntawm electrochemical ntawm cov txheej hlau thiab cov hlau matrix, cov txheej tuaj yeem muab faib ua anode txheej thiab cathode txheej. Raws li cov xwm txheej dav dav, thaum lub peev xwm electrode ntawm cov txheej hlau tsis zoo dua li cov hlau matrix, nws yog hu ua anode txheej, txwv tsis pub, nws yog hu ua cathode txheej. Dab tsi yog qhov kev tiv thaiv ntawm anode txheej thiab cathode txheej ntawm matrix hlau? Lub hauv paus ntsiab lus tiv thaiv ntawm anode txheej yog raws li qhov tseeb tias lub peev xwm ntawm txheej yog qhov tsis zoo piv nrog cov hlau matrix, thiab nws cov electrolysis siab loj dua, nws dhau los ua cov anode hauv cov xov tooj ntawm tes, yog li ncua kev xeb ntawm cov hlau matrix. . Txawm hais tias cov hlau substrate raug me ntsis, cov txheej tseem tuaj yeem ua lub luag haujlwm tiv thaiv, yog li tus naj npawb ntawm cov pores ntawm lub anode txheej muaj qhov cuam tshuam me me rau kev tiv thaiv kev ua tau zoo, hais txog cov tuab, lub thickness ntawm txheej yog loj dua, muaj zog tiv thaiv. Qhov tsis zoo polarity txheej tsuas yog ua kom muaj kev sib cais ntawm cov hlau matrix nkaus xwb, tsis muaj cov tshuaj tiv thaiv electrochemical zoo li cov txheej txheej anode, yog li nws yuav tsum yog nyob rau hauv cov ntaub ntawv ntawm porosity tsawg heev ntawm txheej kom muaj kev tiv thaiv, txwv tsis pub, pores los yog kev puas tsuaj ntawm cov txheej, cov hlau matrix yuav ua raws li cov anode ntawm corrosion roj teeb, accelerating corrosion ntawm matrix hlau. Feem ntau, qhov porosity ntawm txheej txo qis nrog qhov nce ntawm txheej txheej, yog li qhov ntau dua qhov tuab, qhov muaj zog tiv thaiv kev ua haujlwm ntawm cathode txheej.
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