>> P.4
TestmethodforSecondaryBatteryTestmethodStandardConditionsCompliantproductExternalshortcircuitCrushtestForcedinternalshortcircuittestOverchargetestOverdischargetestHigh-ratechargetestContinuousandstablevoltagechargetestUN3480UN3481JIS8712UL1642UL2054JIS8714PSEUL1642UL2054JIS8712JIS8714PSEUN3480UN3481JIS8714PSEUL1642UL2054JIS8712PSEUL1642UL2054JIS8712PSEJIS8712PSEConnectthespecimenat55°C(±2°C)witharesistanceof0.1Ωtomakeashortcircuit.Connectthespecimenat20°C(±5°C)and55°C(±5°C)witharesistanceof80mΩ(±20mΩ)tomakeashortcircuit.Electricalcell:Connectthespecimenat55°C(±5°C)witharesistanceof80mΩ(±20mΩ)tomakeashortcircuit.Batterypack:Connectthespecimenat20°C(±5°C)witharesistanceof80mΩ(±20mΩ)tomakeashortcircuit.Between2atplates,applypressureat13kN(±1KN).AdvancedSafetyTesterExternalShortCircuitTestSystemBetween2atplates,applypressureat13kN(±0.78KN).AdvancedSafetyTesterCrushTestSystemImplantanickelplateletintoabattery.Applypressuretotheembeddedareaat10°Cand45°C(±2°C).(Upperlimitvalue:800Nor400N).At20°C(±5°C),charge(3C)thespecimenwiththree-timestheratedcurrentandpowerforaminimumofsevenhours.At20°C(±5°C),powerthespecimenuntilitreaches250%oftheratedcapacityorthetestvoltage.Connectacellafterbeingdischargedandacellafterbeingchargedinaseriesandshortcircuitbyconnecting80mΩ(±20mΩ)ofresistanceAt20°C(±5°C),reversechargeminutes.thespecimenfor90Temperature:at20°C(±5°C).Chargetheproductwithacurrent3timeshigherthanthemaximumchargingcurrent.AdvancedSafetyTesterJIS8712PSEChargetheproductat20°C(±5°C)for28daysunderdesignedconstant-voltagechargecondition.AdvancedSafetyTesterJIS8712PSEOverchargeprotectionfunctiontestAccordingtoin-houseresearchasofDecember,2014.Performthetestat20°C(±5°C)accordingtostipulatedmethod.3
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