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1、原文Title：RAPIDCHARGESYSTEMFORLEAD-ACIDBATTERYOFSOLARENERGYSTREETLIGHTBASEDONSINGLE-CHIPMICROCOMPUTER1.IntroductionOurcountryisveryrichinsolarenergyresourcesandtheutilizationofsolarenergyheatisoneofthetechnologiesthatareofthehighestcommercialdegreeandthemostunivers
2、alapplicationinnewandrenewableenergyresources.Undertheinitiativeofbuildingsavingsociety,thesolarenergyelectro-opticilluminationisourcountry'srealisticchoiceundertheexistingnationalconditionanditreducestheexpendituresofmunicipaladministrationonstreetlamptoacertain
3、extent.Especiallyinthenewly-builturbanroadsectionandremoteborderdistrictthathasdifficultyinusingelectricity,itisofthestrongestpromotionandistakenseriouslybyFinancedepartment;itishonoredasthe21stcentury'sgreenproject.2.ThebasictheoryofbatterychargingInthemid-1960s
4、,AmericanscientistMashasdonethemassiveexperimentalstudytothecharging-upprocessofringentaccumulatorcell,andproposedacceptablechargingcurvetakenbytheaccumulatorbythelowestgasefficiencyforpremise,thecurvefunctionisi=I0e−∞.Theexperimentindicatedthatifthechargingcurre
5、ntchangesaccordingtothiscurve,itmayreducethedurationofcharginggreatly,andhasnotaffectonbattery'scapacityanditslife,thusithadestablishedresearchdirectiontothemethodofthefastcharging.iscalledthecurvethebestchargepatterninprinciple.ItMayseethattheinitialchargingcurr
6、entisverybigfromtheMascurve,butweakensveryquickly.Theprimarycauseisthatitcomesintobeingthephenomenonofpolarizationduringtheprocessofcharging.Thephenomenonofpolarizationisreferstothattheinteriorthesealedaccumulatorhasproducedtheoxygenandthehydrogenduringitsprocess
7、ofcharging,whentheoxygencannotbeabsorbedpromptly,thenitpilesuponthepositiveplate,enlargethepressureoftheinteriorofbattery,thebattery’stemperaturerises,reducespositiveplate'sareasimultaneously,performancebytheincreaseofinteriorresistance.Thepolarizationcanaffectth
8、espeedandthequalityofcharging,andevenreducethelifeofaccumulator.Therefore,it’simportanttodevelopfastchargesystemofbatterywhoseperformanceisfineandmovementisrel
