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Cnet reports the technology works like this, when the phone is turned on a reaction occurs between the metal and water which produces hydrogen gas which is channeled to a fuel cell which reacts with oxygen in the air which generates power.
Samsung claims this type of battery could last up to 10 hours and by Samsung’s usage calculations would have to be replaced every five days. Its next development would be a water based power system that doesn’t rely on the hydrogen cartridge.
While that’s all well and good, let’s hope that fuel cell systems are a little less volatile than its Lithium-ion counterparts.
If it works out, I wonder how long it will be before we have water powered cars? Even by 2010, I think that large-scale fuel cell systems will still be rather expensive.