An interesting device has been created by Samsung which is a micro-fuel cell. What makes this fuel cell different is that it runs on H2O. It works by water!! By mixing metal with water and oxygen it should be able to get three watts of power which is around 10 hours of use. The main problem right now with this is that the hydrogen cartridge needs to be replaced regularly. No doubt, future versions will be easily topped up with just water with out the replacement every few days. This is a nice step forwards as I suspect a lot of places with many mobile phone users will probably (luckily) have access to water to power it.
Via: CrunchGear
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