RE: Great insight into our supercaps6 Jun 2025 21:44
Extracted of cap-xx website ....
This is for the 0.4mm ultraslim supercap .
Is it mistake or they are that good .
10,000% more energy than a Li-ion Battery.
(of the same weight)
You said:
https://openai.com/chatgpt/overview/ Can supercapacitors be used to speed up ev batteries
ChatGPT said:
Yes, supercapacitors can enhance electric vehicle (EV) performance, particularly by accelerating specific functions and improving overall efficiency.
β‘ How Supercapacitors Enhance EV Performance
1. Rapid Energy Storage and Release
Supercapacitors excel at quickly storing and discharging energy, making them ideal for applications requiring rapid power bursts. This capability is particularly beneficial during regenerative braking and acceleration, where they can swiftly capture and release energy without stressing the main battery .
carmagazine.co.uk
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cap-xx.com
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carmagazine.co.uk
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wevolver.com
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cap-xx.com
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2. Extended Battery Lifespan
By handling high-power demands, supercapacitors reduce the frequency and intensity of charge-discharge cycles on the main battery. This load-sharing can significantly extend the battery's lifespan and enhance overall energy efficiency .
cap-xx.com
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en.wikipedia.org
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emobility-engineering.com
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zoxcell.com
3. Enhanced Regenerative Braking
Supercapacitors are particularly effective in regenerative braking systems, where they can quickly absorb the energy generated during braking. This process not only recovers energy but also improves the vehicle's overall energy efficiency .
dmtl.co.uk
zoxcell.com
4. Improved Start-Stop Systems
In vehicles equipped with start-stop systems, supercapacitors can provide the necessary power to restart the engine swiftly, reducing the load on the main battery and enhancing fuel efficiency .
tti.com
π Limitations of Supercapacitors
While supercapacitors offer several advantages, they have limitations:
Lower Energy Density: Supercapacitors store less energy per unit mass compared to lithium-ion batteries, making them unsuitable as the sole energy source for long-distance driving .
en.wikipedia.org
Higher Self-Discharge Rate: They tend to lose charge more quickly when not in use, limiting their effectiveness for long-term energy storage.
Integration Challenges: Incorporating supercapacitors into EV designs requires careful consideration of space, weight, and cost, whic