DIY Suncat Solar Batteries
With the issue on batteries still mounting on how to properly dispose of the traditional ones, here is a great solution towards addressing the electronic waste issue. Even though they’re still in the prototype stage and not terribly efficient at this point, these solar powered rechargeable batteries are a brilliant idea.
Designed by Knut Karlsen, the SunCats are basically a set of old NiMH rechargeable batteries wrapped in a flexible Photo Voltaic cell created by the Institute for Energy Technology. When the batteries are drained, you simply leave them sitting in a windowsill or anywhere with ample sunlight and they’ll recharge themselves.
The PV cells were simply glued onto the batteries and wired up using a conductive silver pen and some flat wires scavenged from a broken canon lens.
(Source) Inhabitat
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