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[deleted] t1_iy8uvgy wrote

A 400F supercap holds about 1/20th the energy of a single AA battery. Whilst being both heavier and larger. That probably answers your question.

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EvolutionVII OP t1_iy8vaot wrote

But they charge much quicker. That's why there are concept for stop&go applications like public transportation. But I have not found any information regarding constant charging via ICE.

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[deleted] t1_iy8vk0q wrote

And what's supposed to be the advantage of feeding the electrical power from an ICE through a supercap into an e motor, instead of just feeding it directly into an e motor ?

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EvolutionVII OP t1_iy8w4y2 wrote

Well I imagine the engine could constantly run at a sweetspot like 2000 rpm for increased fuel efficiency.

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[deleted] t1_iy8whvk wrote

That doesn't require a super cap. You can just strap the e motor to the engine directly. Or use a battery as buffer.

So long as you don't NEED super fast charge/discharge, which this application doesn't, batteries are pretty much always better than caps.

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