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michka:research:supercapacitors [2014-07-01 13:59] – michka | michka:research:supercapacitors [2014-07-01 14:01] – michka | ||
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====Home-Made Supercapacitors from Dead PC Batteries==== | ====Home-Made Supercapacitors from Dead PC Batteries==== | ||
- | This page reports the wonderful citizen science R&D workshop we had at FoAM with my dear friend [[http:// | + | This page reports the wonderful citizen science R&D workshop we had at FoAM with my dear friend [[http:// |
During three day, we tried to upcycle dead PC batteries into working supercapacitors, | During three day, we tried to upcycle dead PC batteries into working supercapacitors, | ||
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Our best design was very simple. It was a sandwich design, which means that it was just a stack of dry material layers we taped all together. It contained three layers: | Our best design was very simple. It was a sandwich design, which means that it was just a stack of dry material layers we taped all together. It contained three layers: | ||
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* A cleaned up insulating material layer from the same dead Toshiba battery | * A cleaned up insulating material layer from the same dead Toshiba battery | ||
* A copper layer from the same dead Toshiba battery | * A copper layer from the same dead Toshiba battery | ||
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Once the current is back to 0 A and stable, measure the voltage between the copper layer and the graphene layer. | Once the current is back to 0 A and stable, measure the voltage between the copper layer and the graphene layer. | ||
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+ | ==Step 7 - Test it== | ||
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+ | You can tape several of these and connect them in series by soldering contacts from one to another. For graphene contacts, we used a small bit of copper that we taped and tried to maintain with pressure against graphene. | ||
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+ | Once you reach a sufficiently interesting voltage, try to connect a LED and see what happens. | ||
====Information Sources==== | ====Information Sources==== |