超細(xì)氮化鉬的制備、改性及其電極行為的研究

1、合肥工業(yè)大學(xué)碩士學(xué)位論文超細(xì)氮化鉬的制備、改性及其電極行為的研究姓名：姚曉林申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：李學(xué)良2002.6.1AbstractSynthesisandModificationofUltrafineMolybdenumNitrideandResearchofItsElectrodeBehaviorInthepaperMolybdenumnitridewassynthesizedbyvapid—solidpha

2、sereactionTheeffectofthetemperaturerampingrate，thegasflowrateandthefinaltemperatureOnactivematerialmolybdenumnitridecompositionwerestudied，afterthatwaytheelectrodematerialwaspreparedⅪ①wasusedtocharacterizesamplesY—M02Npr

3、eparedbytemperatureprogrammedreactionofM003andNH3ThesampleshaddifferentsurfaceareasduetodifferentsynthesisconditionsTheY—MejNelectrodeexposedto44mol／LH2804isdeterminedbycyclicvoltammetryandalmostminor—imageanodicandcatho

4、diccurrent—responseprofilesariseTheelectrodehasacapacitanceofabout83F／gandiselectrochemicallystablefrom471toO6vabove06Vorbelow01VanelectrochemicaIreactionoccurredCapacitancebehaviourandreversibilityofelectrodewerestudied

5、byCVanditsvoltageopermingrangeisonlyO7VTheelectrodeexhibitsgoodbehaviorandithadgoodfaradaiccapacitanceperformancesTheresultsshowedtheadditionofWandMntotheY—M02NnotonlywidenedthevoltagewindowfromO7Vto10Vor11Vbutalsoimprov

6、edthecapacitanceAsformolybedenumnitrideelectrode，itsoriginofcapacitance，controlledfactorofthesurfaceprocess，mechanismoftheelectrochemicalprocessiSdiscussedeffectivelyinthispaperKeywords：Molybdenumnitride，X—raydiffraction