The Espresso Coffee Battery (Make Your Own!)

#Food

Fri, Oct 15th, 2010 14:00 by capnasty NEWS

Besides recycling them, here is something else you can do with your used espresso coffee capsules: build batteries out of them. Seriously.

Website Dezeen has a gallery of the batteries made by Vienna designers Mischer'Traxler being used to power clocks installed in the window of Nespresso Austria.

The Nespresso Battery installation uses strips of copper together with the aluminium in the capsules (700 altogether), coffee grounds and salt water. A schema is included if you want to try this yourself.

Katharina Mischer and Thomas Traxler said that, "In this mixture between a soil battery and a salt water battery the aluminium functions as the anode, the copper as cathode and the salt water as electrolyte. Due to a chemical reactions a small, but usable, amount of energy is created. Each battery produces about 1,5 - 1,7 Volts of potential and enough power to run a electro-mechanical Quartz clockwork." Cool.

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