Lightweight Ceramic Material Harvests Electricity From Vibrations
A new ceramic material offers a lightweight, thermally stable, fatigue-resistant option for harvesting waste energy.
Piezoelectric ceramic materials emit electrical charges when stepped on or manipulated, and some tech companies have begun to harness this energy to power lights and recharge batteries.
Vibrations from footsteps, exercise machines, or engines can be a significant source of potential energy.
A team led by materials scientists at Penn State has improved the structure and chemistry of a piezoelectric material made of potassium sodium niobate, or KNN, expanding early efforts in energy harvesting.
Author's summary: New ceramic material harvests energy from vibrations efficiently.
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