Influence of Electrolyte on ESR of Medium Voltage Wet Tantalum Capacitors

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摘要 Inthispaper,theinfluenceofworkingelectrolyteonhigh-frequencyelectricalperformanceofwettantalumcapacitorsisstudied.EmphasisisespeciallyputonthestudyofthecontributionofdepolariserinreducingEquivalentSeriesResistance(ESR).Accordingtothetheoryofdepolarizationinelectrochemistryandthetheoryofcathodecapacitanceofelectrolyticcapacitor,differentkindsofdepolarisersareaddedseparatelyintotheforegoneelectrolyte.Thencapacitorsareassembledwithtantalumcoresdippedwiththecompoundedelectrolytes.ThebestdepolariseranditsconcentrationinthewholeelectrolytecouldbeselectedaccordingtothetestresultsofthecapacitanceandESRofthecapacitors.TheresultsofourexperimentshowthatdepolariserFe2(SO4)3usedinworkingelectrolyteof100V/100μFwettantalumcapacitorscanhelptoobtainlowerESRandhighercapacitanceatfrequencyfrom0.1kHzto100kHz.
机构地区 不详
出版日期 2004年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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