If there's one major technological limitation that's slowing progress in a number of areas, including smartphones, it's probably batteries. More efficient power delivery in smaller cells would no doubt lead to some interesting advancements, and there are plenty of academics and companies around the world working towards better battery tech. You hear about potential new breakthroughs all the time (taking most with a pinch of salt), but Samsung believes it may have come up with a promising new battery material.

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