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Ultracapacitor-powered Start-stop Systems in Passenger Cars

Start-stop systems in today’s passenger cars are almost always powered by lead-acid or AGM (Absorbent Glass Mat) batteries, but the relatively high cranking power and frequent start-stop cycles degrade batteries quickly. In addition, poor low temperature performance limits the functionality of battery-based solutions. From an environmental standpoint, lead-acid batteries are an unnecessary problem – one…

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