This #Biodegradable Battery is printed on paper. By @wef #SDGs #Sustainability #Recycled #cleanenergy #Tech4Good #innovation Cc: @sallyeaves @JolaBurnett @debraruh @AkwyZ @DrJDrooghaag @baski_LA @JeroenBartelse @Xbond49 @CurieuxExplorer @FrRonconi @Nicochan33 @jblefevre60 https://t.co/rB7WvjCVMV