BBC: "Researchers develop new system to 'eliminate' batteries"

Link to BBC web site

"Researchers at the University of Bedfordshire have developed a new technique for powering electronic devices. 

"The system, developed by Prof Ben Allen at the Centre for Wireless Research, uses radio waves as power:

"Power harvesting has a really important part in our future because, just in this country, we dispose of somewhere between 20,000 and 30,000 tonnes of batteries in landfill sites every single year - that is toxic chemicals going into the ground."