Future iPhones, like Superman, to be powered by the sun?

The on again, off again Digitimes rumour-mill claims both Apple and manufacturing-partner/device competitor Samsung are looking into solar cells as a future power source.
Samsung and Apple have been evaluating the possible niche market for solar-powered consumer products and considering the inclusion of Taiwan-based solar firms in their respective supply chains. However, according to Taiwan-based solar firms, these niche markets will need a longer time to develop.
The technology doesn't seem to be ready, let alone affordable or scalable, so anyone waiting for iPhone 5 and it's "unique charging method" to start drawing Kryptonian-style power from our strong yellow sun shouldn't get their hopes up too soon. But one day? Who knows, maybe it'll be "up, up, and away" with cables for good.
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Rene Ritchie is one of the most respected Apple analysts in the business, reaching a combined audience of over 40 million readers a month. His YouTube channel, Vector, has over 90 thousand subscribers and 14 million views and his podcasts, including Debug, have been downloaded over 20 million times. He also regularly co-hosts MacBreak Weekly for the TWiT network and co-hosted CES Live! and Talk Mobile. Based in Montreal, Rene is a former director of product marketing, web developer, and graphic designer. He's authored several books and appeared on numerous television and radio segments to discuss Apple and the technology industry. When not working, he likes to cook, grapple, and spend time with his friends and family.