Sirius Advantage Over Chemical Batteries
|
Feature |
Sirius |
Chemical Batteries6 |
Supercap Cell Cycle Life (Projected)1 |
1,000,000 |
200 to 10,000 |
DC to DC efficiency (@25⁰C)1 |
99% (constant over life) |
70% to 95% (degrades over life) |
Useable Capacity (% of rated capacity) |
100% (constant over life) |
50% to 80% (degrades over life) |
Temperature Range1 |
-30⁰C to 80⁰C |
-20⁰C to 65⁰C |
Max. Rate of Charge2 |
1.7C (120C3) |
0.1C to 0.5C (NA4) |
Max. Rate of Discharge2 |
1.7C (120C3) |
0.1C to 0.5C (NA4) |
Thermal Runaway |
No Risk |
Medium to High Risk |
Energy Density (Wh/kg) |
70 to 807 |
70 to 1005 |
Disposal costs |
Deferred |
Significant |
Environmental impact of disposal |
None |
Significant |
Short/Medium/Long Duration |
Single module |
Different batteries for different deployment |
Warehousing |
No maintenance |
Periodic charging |
1 Performance may vary at different temperatures and at different C-rates.
2 Max. rate of charge and discharge is provided for a standard Sirius module. This rate may vary at different temperatures and for different Sirius modules.
3 Rapid charge of storage for EV’s.
4 Rapid charge at 120C is not possible with chemical batteries.
5 On useable capacity basis.
6 Publicly available information. Manufacturer data may vary.
7 Supercap cell level.