I'd guess this is a long ways off still, but the technology seems like a gift from heaven.
Scientists Built a Genius Device That Generates Electricity 'Out of Thin Air'
They found it buried in the muddy shores of the Potomac River more than three decades ago: a strange "sediment organism" that could do things nobody had ever seen before in bacteria.
www.sciencealert.com
The discovery was made almost by accident, when Yao noticed devices he was experimenting with were conducting electricity seemingly all by themselves.
"I saw that when the nanowires were contacted with electrodes in a specific way the devices generated a current," Yao says.