Comparison of the battery test protocols of China and USABC
Contents of test manual from USABC
No.1TestitemsStatic CapacityNo.7TestitemsThermalPerformanceEnergyefficiencyCharge-Sustaining cycle lifeCharge-DepletingCycle lifeCalendar life23456HybridPulse Power Characterization TestCharge-Sustaining Available EnergyCharge-DepletingAvailable EnergySelf-DischargeCold Cranking89101112Reference Performance?The principal objective of Any test procedures is the comparison of the battery performance with battery targets for Plug-in hybrid electric vehicles
Contents of test manual from China
No.1234TestitemsNo.TestitemsHybridpulse test Cycle life testSelf dischargeSafe test(Short circuit, Extrusion, Needle test, Drop test , High temperature test, Over charge or discharge)Basic Properties(appearance, 5Polarity, Weightand size)AC resistanceCapacity(20oC,-20oC,55oC)Power test678?For single battery test and only detect the performance of the battery with no reference goals
Comparison of two method
USABC?CS energy?CD energy?Cold Crank?Calendar life?Reference PerformanceCommen?Capacity?Hybridtestpulse ?Cycle life test?Self discharge?ThermalPerformanceChina?Basic Properties?AC resistance?Safe testCapacity Test Method
?USABC
Manufacturer-specified DODminManufacture-specified(from literature or 55% of the maximum charge voltage)BatteryFully-charged state1h restDischarge voltage limit?China
0.5C charge to 4.2V,clamped at 4.2V until to 10% I01C discharge to 3.0V?Same :test procedure and 1h rest before test?Different :how to specify the DODminand DODmax