Researchers have created paints that form a lithium-ion battery when layered together

http://www.washingtonpost.com/national/health-science/researchers-have-created-paints-that-form-a-lithium-ion-battery-when-layered-together/2012/07/02/gJQAlLegIW_story.html

/ lithium ion iron LiIon batteries charge recharge rechargeable cell layer /