2003 · 17 citations · 7 references
EngineeringChemical EngineeringElectrical EngineeringElectroanalytical MethodsElectrochemical EngineeringElectrochemistryBattery DiagnosticsBattery SystemsBattery TechnologyElectrochemical CellsElectrochemical DetectionElectrochemical SensorsBattery CharacterizationBattery ModelingElectric Double LayerElectrochemical CharacterizationElectrochemical Impedance AnalysisElectrochemical Reaction MechanismsImpedance TheoryLead-acid Batteries
Impedance of valve-regulated lead-acid batteries is analysed in this paper, using a model-based method. Both double-layer impedance and electrochemical reaction impedance are evaluated, using current, voltage and temperature data measured in experiments. It is shown that the electrochemical impedance is a sensitive indicator that can be utilised to detect small inequalities between batteries while the double-layer impedance is less sensitive.
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