DailyDirt: Storing Up Energy For A Rainy Day…

from the urls-we-dig-up dept

Battery technologies haven’t quite achieved the same kind of Moore’s Law progress as other kinds of electronics. Being able to store energy is still incredibly important, so there are plenty of projects trying to figure out better ways to store up electricity efficiently. No one has a complete solution, but here are some interesting attempts to manage energy-use fluctuations.

As always, StumbleUpon can also recommend some good Techdirt articles, too.

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Comments on “DailyDirt: Storing Up Energy For A Rainy Day…”

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Hanno (profile) says:

Hydrogen and Methane

What’s currently gaining a lot of attention in Germany is the technology to transform electricity into hydrogen or methane.

The advantage: It can be put into the natural gas grid which is already there with lots of storage facilities. It can take up to 5 percent hydrogen (and there are discussions if it could be much more with slight technology changes). Methane can be put into the grid in an unlimited amount.

The disadvantage: It’s relatively expensive and inefficient.

Enertrag, one of the companies engaged in it, has some english info:

Call me Al says:

I read about another one recently. Essentially they use any excess energy from wind turbines to pump water behind a dam. Then on those occasions when the wind is insufficient they release the water through turbines and so generate power that way.

I’m sure its inefficient but it seems a sensible solution to the problem of how to make batteries big enough.

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