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《銀基三元化合物的合成及其電化學性能研究》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、新疆大學碩士學位論文銀基三元化合物的合成及其電化學性能研究姓名：楊文建申請學位級別：碩士專業(yè)：物理化學指導教師：張校剛20070603新疆太學2007屆碩士研究生畢業(yè)論文備了AgNi02，借助x射線衍射(XRD)、掃描屯鏡(SEM)測試對其物理性質做了表征，恒電流放電測試結黔表明，AgNiOz樣品在9M的堿液中有很好的電化學活性。本章還進一步嘗試將AgNiOz削丁I電解_二氧化錳的改性，恒流充放電測試和循環(huán)伏安行為研究嵌叫，AgNio!對MnO!電板的深度放電7i較好的改性效果，但時循環(huán)性能羊¨可允性能的改善效果并不顯著。關鍵詞：A93
2、BiO，，A95Pb206，AgNi02，改性添加劑，放L址容量新疆大學2007屆項士研究生平業(yè)論文AbstractConventionalaLl【alineelectrochemicalcellshaveallanodecompfisingzincandacathodgcomprisingmanganesedioxide．TheyhavebeenwidelyusedinOUl"everydaylifeduetotheiradvantagesORdischargecapacity,specificenergyandlow-tempera
3、tureperformanceete．Althoughsuchalkalinecellsareinwidespreadcommercialusethereisaneedtoimprovethecellordevelopanewtypeofcellthatexhibitsreliableperformanceandlongerservicelifeforn0111試applicationsandperformsevenbetterthanconventionalzinc／Mn02cells．Thisthesisconsistsoffour
4、parts．Thefirsto∞aimstosurveythebackg∞undoftheresearchwork．hcomprisesoftheoverviewofthepresentstatusofchemicalpowersotiros，theintroductionofzinc／Mn02cell,thefundamentalelectrochemicalreactionmechanism,characteristicsofMn02electrode，theknowledgerelatedtoA93BiO,、A】95l’塒0‘、A
5、g,Ni02．Thesecondchapt盯expres镕theprep∞ationofA出BiqanditsmodifyingeffectforIvIn02ekchod％FirstlyAg妒iolpowderwaspreparedbychemicalcoprecipitafionmethodandcharacterizedbyXRD，SEMtechniques．Itselectrochemicalpropertiesmstudiedbymeansofcollstant叫托ntdischargeandlinearsweepvoltamm
6、eUyexperiments．Ag，Bi仉showsthebetterdiS姆propeflythanthatofelectrolyticmanganesedioxide㈣inalkalmeelectrolyte．TheelectrochemicalpropertiesofEMDcathodesdopedwithA93BiOxweIestudiedbygalvanostaticcharge／dischargeandcycficvohammetry．Theresultsindicatedthattheelectrochemicalpel五
7、ormanceofEMDelcc仃odewaseffectivelyimprovedby,topingofA93BiO,．EMDekchodedopedwithAgOiOxpossessedremarkablyhigherdischargevoltage，largercapacityandbetterreveralbilitythanthatofpureEMDelectrode．ThethirdchaptershowsthepreparationofA95Pb206anditsmodifyingeffectforMn02electrod
8、es．FirstlyAgsPb206powderWaSpreparedbychemicalcoprecipitationmethodandcharacterizedbyXRD，SEMteclmiques．T
