Performance of a Supercapacitor and a Battery model

1. During a pulsed load, which device delivers the initial high-power burst?

a) Battery
b) Supercapacitor
c) Both equally
d) None

2. Which observed behavior confirms rapid response of the supercapacitor in your graphs?

a) Slow current rise
b) Sharp current spikes at pulse onset
c) Flat voltage profile
d) Gradual SOC change

3. After prolonged discharge, which device shows more stable state-of-charge?

a) Supercapacitor
b) Battery
c) Both degrade similarly
d) Neither

4. What is a key benefit of using both battery and supercapacitor in a hybrid system?

a) Eliminates self-discharge
b) Balances high energy and power delivery
c) Increases cost
d) Reduces voltage ripple only

5. Which graph feature indicates the poor long-term retention of supercapacitors?

a) Flat voltage line
b) Rapid voltage decay during idle phases
c) Steady current
d) High energy plateau