On the other hand, supercapacitors still have some technical issues that need to be ironed out.

另一方面，超级电容还有一些技术问题需要解决。

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And compared with most rechargeable batteries, supercapacitors tend to have a longer working life.

和最耐反复充电的电池相比，超级电容器仍容易工作寿命更加长久。

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The use for energy storage in supercapacitors enlarges the application fields of activated carbon based on coal.

煤基活性炭在储能超级电容器中的使用拓展了其应用范围。

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And compared with most rechargeable batteries, supercapacitors tend to have a longer working life.

ECONOMIST: Carbon-composite batteries

The multi-layered sheets can achieve twice the energy density of commercial supercapacitors.

FORBES: Are Paper Batteries A Pipe Dream?

The floral patterns could lead to longer-lived supercapacitors and lithium-ion batteries, and the germanium sulfide is both cheap and clean enough that it could lead to very efficient solar cells that are more environmentally responsible.

ENGADGET: NC State nanoflowers can boost battery and solar cell capacity, make great prom accessories