Sony Unveils Ultrasmall Hybrid Fuel Cell for phones »
Posted By dadan89 5 months, 1 week ago in Science & TechnologySony prototyped a fuel-cell system small enough to fit in one hand (50x30mm). It works by combining a fuel cell, a Li-polymer secondary battery, a control circuit and so forth together to output up to 3W of power. Its use efficiency of energy is high enough that 14 hours of 1seg movie can be continuously played by general mobile phones
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