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Battery Technology
POWER ELECTRONICS LABORATORY
Discussion OutlineBattery IntroductionTypes of BatteriesPrimary BatteriesSecondary BatteriesFactors affecting battery preferencePEL and Battery developmentPEL Battery Application Projects
EBPA_2012 RJFC_2014Battery DefinitionA battery is an electric cell that produces electricity through process of chemical reactionA battery consists of a cell or a group of cells supplying a current of electrons when connected to a load
EBPA_2012 RJFC_2014ElectronicLoadBATTERYBattery ApplicationsPower Converter
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Types of Batteries Primary Batteries
Secondary Batteries
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Primary Batteries
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Non-rechargeable batteriesHave high specific energy and long storage timesUsed for low power drain applicationsUsed for application where charging is impossible or impracticalEBPA_2012 RJFC_2014Primary Batteries
Battery ChemistryNominal VoltageZinc Carbon1.5 VAlkaline (Zinc-Manganese Dioxide)1.5 VLithium Copper Oxide1.7 VMercury Oxide1.35 VSilver Oxide1.55 VEBPA_2012 RJFC_2014Primary Batteries for Handheld Devices
WatchRemote ControlEmergency Flashlight
EBPA_2012 RJFC_2014Primary Batteries for Military Applications
EBPA_2012RadiosGPSMissiles
Secondary Batteries
EBPA_2012 RJFC_2014Secondary Batteries
Rechargeable batteriesProvide higher power than primary batteriesHigher leakage current (faster self discharge)Reusable
EBPA_2012Secondary Batteries
LAST_2013Battery ChemistryNominal VoltageNickel Cadmium1.2 VLead Acid2.1 VNickel Metal Hydride1.2 VNickel Zinc1.6 VLithium Ion3.6 VBatteries for Portable Devices
EBPA_2012Cellular PhonesCamerasLaptops
Batteries for Electric Vehicles
Electric BicyclesElectric TricyclesElectric Cars
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Batteries for Stationary Devices
Uninterrupted Power Supply (UPS)Weather Monitoring SystemGrid Scale- Battery
EBPA_2012 RJFC_2014Factors affecting Battery Preference
PriceCycle lifeSpecific energyInternal ResistanceWeightPortabilitySafetyEnvironmental IssuesSelf DischargeMaintenanceDisposalEBPA_2012EBPA_2012 RJFC_2014PEL and Battery Development
EBPA_2012 RJFC_2014Battery MisconceptionsYou should always have your battery fully discharged before charging again.Its ok to leave my gadget plugged in the charger even if its fully charged.Its ok to mix different batteries for electronic devices.Its ok to leave a battery fully drained since Im not going to use my device anyway.Leaving my dead batteries under the sun will charge them.Car batteries can be used generally for other applications (lighting, back-up energy, etc.)
EBPA_2012 RJFC_2014Efficient Power Conversion /Regulation
Convert Battery voltage efficientlyRegulate Battery Voltage and CurrentBattery ChargingBattery Protection and MonitoringBattery Management SystemsGrid Power ConvertersEBPA_2012 RJFC_2014Battery ChargingCadex Electronics Batteries in a Portable World, Isidor Buchmann
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Battery Protection and Monitoring
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EBPA_2012 RJFC_2014Battery BalancingBattery Monitoring and EstimationState-of-HealthState-of-Charge
Battery Management Systems
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Grid Power ConverterCase Note Battery Energy Storage System Fairbanks, Alaska
EBPA_2012 RJFC_2014Power Converters Projects1kW Lead-Acid Battery Charger for Electric Vehicles100W Forward Converter Charger for Lead-Acid BatteryPhotovoltaic Charging of a Lead- Acid Battery Using a Buck-Boost ConverterRapid Electric Vehicle Charging InfrastructureEBPA_2012
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