Samsung's Solar Powered Phone

One of the problems with all the new technology in mobile phones is the fact that they eat battery power - Wi-Fi being one of the most greedy. With this idea - if it works - could be interesting. The thing is - aren't mobile phones usually in your pocket and unless the sun shines out of your arse it's not going to charge...

http://innovator.samsungmobile.com/bbs/tech/view.do?boardName=technology&messageId=8181

Another one from ZTE: http://www.mobilewire.co.uk/20-02-2009-zte-builds-low-cost-solar-powered-handset.html