Consider the following statements about Supercapacitor
- ISRO developed the first supercapacitor electrode.
- The supercapacitor developed is simple, low-cost, environmentally friendly, and sustainable.
- The large-scale use of renewable energy requires creation of matching capacity for inexpensive electrical energy storage
1
Only 1
2
Only 2
3
Only 2 and 3
4
1, 2 and 3