J jeni_fini Guest Jul 18, 2010 #1 Nokia is working on using piezoelectricity and kinetic energy for a cell phone battery that is " contained within a first frame that is coupled to a second frame by one or more piezoelectric elements.
Nokia is working on using piezoelectricity and kinetic energy for a cell phone battery that is " contained within a first frame that is coupled to a second frame by one or more piezoelectric elements.
