Battery vs Super Capacitor | Difference between Battery and Super Capacitor
This page compares Battery vs Super Capacitor and mentions difference between Battery and Super Capacitor. We will take Lithium-Ion battery in order to derive comparison between battery and super capacitor.
Specifications | Battery (Lithium Ion Type) | Super Capacitor |
---|---|---|
Charge time | 10 to 60 minutes | 1 to 10 seconds |
Cycle life | 500 and higher | 1 million or 30000h |
Cell voltage | 1.2 to 4.2 V | 2.3 to 2.75 V |
Specific Energy in Wh/Kg | 100 to 200 | 5 (typical) |
Specific Power (W/Kg) | 1000 to 3000 | Upto 10000 |
Service life (mounted on vehicle) | 5 to 10 years | 10 to 15 years |
Charge temperature | 0 to 45oC | -40 to 65oC |
Discharge temperature | -40 to 65oC | -20 to 60oC |
Form factor | large | Small |
Weight | 1 g to >10 Kg | 1 to 2 g |
Pros (i.e. Advantages or benefits) | • Power density • Storage capability • Better leakage current than capacitors • Constant voltage than can be turned OFF and ON |
• Long cycle life • High load currents • short charging times • excellent temperature performance |
Cons (i.e. disadvantages or drawbacks) | • Limited cycle life • Voltage and current limitations • long charging times • more temperature sensitive than capacitors |
• Low specific energy • Linear discharge voltage • High self discharge • High cost per watt |
Symbols used to represent in the circuit |
Battery and Capacitor related links
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