Originally Posted By: maczrool
Originally Posted By: tonyc
The patent apparently claims 3-6 minutes charge time for 52 kWh.

To charge it that quickly would likely require more power than is delivered to the average home.

There's no "likely" about it: you can determine the power from those figures. Three minutes is 1/20 of an hour; 52kWh in 1/20h is over 1 megawatt. An average (UK) house is rated at 50-100A max at 240V, which is 0.012-0.024MW -- much, much less. A megawatt is about the peak usage expected in the UK from a village of 1,000 people.

Of course, the answer to that problem is to keep a second supercapacitor at home, "trickle"-charge it slowly all day, and dump it into your car in one hectic 3-minute blast to refuel. I put "trickle" in quotes because recharging 52kWh each day is actually a continuous load of 2160W, or as much as most electric heaters.

Peter