ASTM D7148-2007 电解槽测量系统中使用碳极测定碱性蓄电池隔板的离子电阻系数(ER)用标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminingtheIonicResistivity(ER)ofAlkalineBatterySeparatorUsingaCarbonElectrodeinanElectrolyteBathMeasuringSystem
【原文标准名称】:电解槽测量系统中使用碳极测定碱性蓄电池隔板的离子电阻系数(ER)用标准试验方法
【标准号】:ASTMD7148-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碱性电池;电池组;碳;芯;测定;电气工程;电极;电解质;测量系统;电阻系数;蓄电池;隔离物;试验
【英文主题词】:alkaline;battery;ER;ionicresistivity;separator
【摘要】:TheERofabatteryseparatorisastandardmeasurementusedbyseparatorandbatterymanufacturersforqualitycontrolpurposesandseparatorselection.SeparatorERandtheseparatorrsquo;interactionwiththeelectrolyte,thatisresistancetowettingorflow,willcontributetotheinternalresistanceofthebatteryandthiscanpotentiallylimittheelectricaloutputofabattery.TheERdeterminationisatoolforbatterymanufacturerstouseindesign,materialselection,andperformancespecifications.Thechangeinthebathelectricalresistanceimpartedbyaseparatorisaffectedbytheporosity,thickness,andtortuousityoftheporestructureoftheseparator,thewettabilityoftheseparatortotheelectrolyte,andthetemperatureandconcentrationoftheelectrolyte.IncompletewettingorsaturationoftheporestructurelimitsthelowestERvalueobtainablefromaseparatorstructure.Separatorsarepretreatedtoassurethatthespecimenbeingtestedhasbeenadequatelywettedout.Aseparatorthatisnotfullywettedout(saturated)willgiveahigherER.ThistestmethodisintendedtogivearapidandrepeatablemeasurementthatapproximatesthechangeinERthatcouldhappenwhentheseparatorisusedinabattery.1.1Thistestmethodcoversthepretreatment,testconditions,apparatus,andproceduretodeterminetheionicresistivity,commonlyreferredtointhebatteryindustryaselectricalresistance(ER)ofanalkalinebatteryseparatorimmersedinanelectrolyteof40%potassiumhydroxide(KOH).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K84
【国际标准分类号】:29_220_30
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:电解槽测量系统中使用碳极测定碱性蓄电池隔板的离子电阻系数(ER)用标准试验方法
【标准号】:ASTMD7148-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碱性电池;电池组;碳;芯;测定;电气工程;电极;电解质;测量系统;电阻系数;蓄电池;隔离物;试验
【英文主题词】:alkaline;battery;ER;ionicresistivity;separator
【摘要】:TheERofabatteryseparatorisastandardmeasurementusedbyseparatorandbatterymanufacturersforqualitycontrolpurposesandseparatorselection.SeparatorERandtheseparatorrsquo;interactionwiththeelectrolyte,thatisresistancetowettingorflow,willcontributetotheinternalresistanceofthebatteryandthiscanpotentiallylimittheelectricaloutputofabattery.TheERdeterminationisatoolforbatterymanufacturerstouseindesign,materialselection,andperformancespecifications.Thechangeinthebathelectricalresistanceimpartedbyaseparatorisaffectedbytheporosity,thickness,andtortuousityoftheporestructureoftheseparator,thewettabilityoftheseparatortotheelectrolyte,andthetemperatureandconcentrationoftheelectrolyte.IncompletewettingorsaturationoftheporestructurelimitsthelowestERvalueobtainablefromaseparatorstructure.Separatorsarepretreatedtoassurethatthespecimenbeingtestedhasbeenadequatelywettedout.Aseparatorthatisnotfullywettedout(saturated)willgiveahigherER.ThistestmethodisintendedtogivearapidandrepeatablemeasurementthatapproximatesthechangeinERthatcouldhappenwhentheseparatorisusedinabattery.1.1Thistestmethodcoversthepretreatment,testconditions,apparatus,andproceduretodeterminetheionicresistivity,commonlyreferredtointhebatteryindustryaselectricalresistance(ER)ofanalkalinebatteryseparatorimmersedinanelectrolyteof40%potassiumhydroxide(KOH).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K84
【国际标准分类号】:29_220_30
【页数】:6P.;A4
【正文语种】:
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