Battery Supercapacitor Hybrid System For High Rate Pulsed Load Applications. 13 shows the voltage and current change of two different battery supercapacitor hybrid systems when a pulsed load is applied. The 2 5 f supercapacitor is composed of four serially connected 10 f supercapacitors. Modern batteries e g li ion batteries provide high discharge efficiency but the rate capacity effect in these batteries drastically decreases the discharge efficiency as the load current increases.
Modern batteries e g li ion batteries provide high discharge efficiency but the rate capacity effect in these batteries drastically decreases the discharge efficiency as the load current increases. Electric double layer capacitors or simply supercapacitors have extremely low internal resistance and a battery supercapacitor hybrid may mitigate the rate capacity effect for high pulsed.
Modern batteries e g li ion batteries provide high discharge efficiency but the rate capacity effect in these batteries drastically decreases the discharge efficiency as the load current increases.
This paper presents a new battery supercapacitor hybrid system that employs a constant current regulator isolating the battery from supercapacitor to improve the end to end efficiency from the battery to the load while accounting for the rate capacity effect for the li ion batteries and the conversion efficiency data for the regulator. Battery supercapacitor hybrid system for high rate pulsed load applications donghwa shin younghyun kim jaeam seo and naehyuck chang seoul national university. We use the battery and supercapacitor described in section 4 2. As one of these systems battery supercapacitor hybrid device bsh is typically constructed with a high capacity battery type electrode and a high rate capacitive electrode which has attracted enormous attention due to its potential applications in future electric vehicles smart electric grids and even miniaturized electronic.
