Low Temperature Ultracapacitor

Question:

 What is the failure mode?

Answer:

Failure is an increase of rated ESR by 100% and a decrease of Rated Capacitance by 20%.

Question:

What is the maximum operating voltage?

Answer:

Currently 2.0V.

Question:

What is the lowest recorded operation temperature?

Answer:

-55°C.

Question:

Is the energy storage linear with voltage?

Answer:

Energy storage scales exponentially with voltage, equation for energy is 1/2 C*V^2.

Question:

What are the expected leakage currents at various temperatures?

Answer:

a) -55C: < 1 uA

b) 85C: < 30 uA

Question:

What is the minimum voltage to discharge the capacitors?

Answer:

0V.