Qhov tseem ceeb ntawm cov ntsev tsuag tshuaj xyuas
Hauv kev siv cov khoom lag luam, koj yuav ntsib teeb meem ntawm cov khoom lag luam kev laus thiab xeb. Tom qab ntawd, nws yog qhov tseem ceeb heev los txiav txim siab txog kev cuam tshuam ntawm xeb thiab kev laus, thiab ntsev txau rau xeb yog qhov ntau thiab xeb xeb nrog kev nyab xeeb. Qhov no yog qhov kev sim ib puag ncig uas tsuas yog siv dag ntxias ntsev tsuag tshuaj txau ib puag ncig tsim los ntawm ntsev txau kuaj cov khoom siv los ntsuas qhov tsis kam tiv thaiv corrosion ntawm cov khoom lossis cov khoom siv hlau.
Corrosion ruaj khov
Ntsev cov tshuaj tiv thaiv corrosion yuav ua kev puas tsuaj rau txheej tiv thaiv cov hlau, ua kom nws poob ntawm qhov zoo nkauj, thiab txo nws cov tshuab lub zog; qee qhov khoom siv hluav taws xob thiab lub xov tooj hluav taws xob, vim xeb, ua rau lub zog txuas hluav taws xob, tshwj xeeb tshaj yog nyob rau hauv vibrating chaw, tshwj xeeb tshaj yog thaum ntsev tsuag Thaum tsaws rau ntawm qhov chaw ntawm qhov rwb thaiv tsev, qhov chaw tiv thaiv yuav raug txo; tom qab lub tshuab ntxig nqus cov kua ntsev, nws lub zog ntim yuav raug txo los ntawm plaub qhov kev txiav txim ntawm lub zog loj; cov txav txav ntawm cov khoom siv tshuab lossis txav chaw vim lub tshuab tsim xeb, ua rau muaj kev sib txhuam thiab ua rau txav chaw seem.
Kev faib tawm cov tshuaj tsuag rau ntsev
Qhov nruab nrab lub ntsev tsuag tsuag
Qhov no yog qhov feem ntau siv dav nrawm kuaj xeb hauv txoj hauv kev thov ntxov tshaj plaws. Nyob rau hauv ib txwm muaj xwm txheej, nws siv 5% sodium chloride aqueous tov, qhov ntsuas PH tus nqi yog kho rau qhov nruab nrab thaj tsam (6.5 ~ 7.2) ua cov tshuaj tsuag. Qhov ntsuas kub yog li ntawm 35 ℃, qhov kev lwg ntawm cov tshuaj tsuag ntsev yuav tsum muaj nyob nruab nrab ntawm 1 ~ 3ml / 80cm2.h, thiab qhov kev lwg feem ntau nyob nruab nrab ntawm 1 ~ 2ml / 80cm2.h. Txhua 24h yog sib npaug rau ib xyoos hauv qhov chaw ntuj
Acetate tshuaj tsuag ntsuas
Nws tau tsim nyob rau hauv kev ntsuas qhov nruab nrab ntsev tsuag. Nws yog kom ntxiv qee qhov glacial acetic acid rau 5% sodium chloride tov, kom tus nqi pH ntawm qhov kev daws teeb meem txo mus txog 3, cov tshuaj ua acidic, thiab cov ntsev yuam kev tsim thaum kawg ua acidic los ntawm nruab nrab ntsev pos huab. Nws qhov kev xeb yog li 3 zaug nrawm dua li ntawm qhov nruab nrab ntsev tsuag kuaj. Txhua 24h yog muab sib npaug rau 3 xyoos hauv ib puag ncig ntuj
Tooj liab ntsev ceev cov tshuaj acetate tshuaj tsuag
Nws yog ib hom kev nrawm rau ntsev tsuag tshuaj tiv thaiv corrosion nyuam qhuav tsim tawm txawv teb chaws. Qhov ntsuas kub ntsuas yog 50 ℃. Ib qho me me ntawm tooj liab ntsev-tooj liab chloride ntxiv rau kev daws ntsev, uas muaj zog tiv thaiv xeb. Nws qhov kev xeb yog txog 8 zaug ntawm qhov nruab nrab ntsev tsuag ntsuas qhov nruab nrab. Txhua 24h yog sib npaug rau 8 xyoo hauv qhov chaw ntuj
Kev txhim kho xeb hlau
Kev ua xeb ntawm cov khoom siv hlau los ntawm ntsev yuam yog qhov tseem ceeb los ntawm cov kua ntsev conductive infiltrating mus rau hauv cov hlau kom dhau los ntawm kev siv hluav taws xob, ua" cov hluav taws xob tsis tshua muaj roj-electrolyte tov-siab muaj peev xwm impurity" microbattery system, hloov hluav taws xob tshwm sim, thiab cov hlau raws li cov anode zoo li yuav yaj Lub neej tsim cov tshiab sib txuas lossis cov khoom lag luam corrosion. Cov hlau tiv thaiv txheej txheem thiab cov khoom siv tiv thaiv organic kuj zoo ib yam. Thaum cov ntsev tov raws li cov electrolyte nkag mus rau sab hauv, micro roj teeb nrog cov hlau ua cov electrode thiab cov hlau tiv thaiv txheej lossis cov khoom siv organic li lwm cov electrode tau tsim.
Lub luag haujlwm tseem ceeb hauv cov txheej txheem ntawm cov ntsev tsuag tshuaj tiv thaiv kev puas tsuaj yog chloride ion. Nws muaj lub zog sib sib zog nqus tau yooj yim, nkag mus yooj yim rau cov hlau oxide txheej rau hauv hlau, thiab rhuav lub zog passive ntawm cov hlau. Nyob rau tib lub sijhawm, chloride ions muaj tsawg lub zog hydration zog thiab yooj yim adsorbed rau saum npoo ntawm cov hlau, hloov cov pa oxygen hauv txheej txheej uas tiv thaiv cov hlau, ua rau lub hlau.
Ntxiv nrog rau cov chloride ions, cov ntsev tsuag tshuaj tiv thaiv corrosion tseem cuam tshuam los ntawm cov pa yaj hauv cov kua ntsev (qhov tseem ceeb yog cov ntsev ua kua yaj yaj ploj saum npoo ntawm tus qauv). Cov pa oxygen tuaj yeem ua rau cov txheej txheem depolarization ntawm cov hlau saum npoo thiab nrawm nrawm ntawm kev tshem tawm ntawm cov hlau anode. Vim tias kev tshuaj tsuag tas li thaum lub sij hawm ntsuas ntsev txau, ntsev kua ntsev zaj duab xis uas tau ua ntu zus nyob rau saum npoo ntawm cov qauv ua kom cov pa oxygen nyob ze qhov saturation. Kev tsim cov khoom lag luam corrosion nthuav dav cov ntim ntawm cov tshuaj ntsev uas tau nkag rau hauv cov hlau tsis zoo, yog li ua rau sab hauv kev nyuaj siab ntawm cov hlau, ua rau muaj kev nyuaj siab corrosion thiab ua rau cov txheej tiv thaiv ua kom tawg.
LIB ntsev tsuag tshuaj txhuam chav sim tuaj yeem sim ua kom nruab nrab ntsev tsuag tshuaj tsuag chav sim, kua tshuaj ntsev ntsev tsuag tshuaj tsuag thiab tooj liab ntsev nrawm acetate ntsev tsuag tshuaj xyuas, muab cov kev daws teeb meem rau cov neeg siv khoom thiab txhawb kev cai coj mus kuaj racks. Txais tos tham.
