3 ms·
> So, no, this isn't useful for battery electric vehicles. This is absolutely useful for anything with a high momentary power draw. Even with the quarter of th
by nerpderp82 6y ago
> So, no, this isn't useful for battery electric vehicles.
This is absolutely useful for anything with a high momentary power draw. Even with the quarter of the energy density. These aren't going to supply all the energy, just the peak power. The main pack can be sized for slightly above the average power draw, and it can charge the boost pack that needs to get you up to speed or handle the surge current sink from braking.
Who would use a multifarad capacitor for filtering a rectified AC line? Why is this an argument? This isn't a capacitor, it is a battery with capacitor qualities.
I feel like the internet was built for arm chair generals to attempt to rain on parades.
- Animats 6y agoThere are already ultracapacitors used for high short term power draws. There's a nice motorcycle prototype which uses ultracapacitors to boost acceleration.[1] The Lamborghini Sian uses the same trick. The article says the energy storage is "mostly capacitive", so it's reasonable to compare this with ultracapacitors. [1] https://www.forbes.com/sites/billroberson/2019/12/22/nawas-radical-electric-motorcycle-highlights-the-potential-of-supercapacitors-in-evs/?sh=6b936ef72767 https://www.forbes.com/sites/billroberson/2019/12/22/nawas-r...
- nerpderp82 6y agoThese are batteries with capacitor level charge and discharge rates. Even above what Maxwell can supply, these batteries will absolutely buffer high current loads unlike anything we have seen. If these were integrated into exiting lion packs, it would extend life while supplying much higher instantaneous peak currents.