Piezeoelectric-based asphalt layer for energy harvesting roadway
AssigneeUniversity of South Florida
InventorsQing Lu, Lukai Guo
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Abstract
An energy harvesting roadway that includes a plurality of road segments and a power storage device electrically coupled to the plurality of road segments. Each of the plurality of road segments can include a surface asphalt layer, a first conductive asphalt layer located under the surface asphalt layer, a piezoelectric-based asphalt layer located between the first conductive layer and a second conductive layer located above a base asphalt layer. The piezoelectric-based asphalt layer can include a plurality of rigid piezoelectric elements and an insulating filler.
Claims20
An energy harvesting roadway, comprising:
- a plurality of road segments, each of the plurality of road segments comprising:
- a first conductive asphalt layer;
- a piezoelectric-based asphalt layer located below the first conductive layer, the piezoelectric-based asphalt layer comprising:
- a plurality of rigid piezoelectric elements, and
- an insulating filler, and
- a second conductive asphalt layer located below the piezoelectric-based asphalt layer;
- and
- a power storage device electrically coupled to the plurality of road segments.
A method of manufacturing an energy harvesting roadway, comprising:
- manufacturing a plurality of road segments, comprising:
- providing a first conductive asphalt layer,
- providing a piezoelectric-based asphalt layer located below the first conductive layer, the piezoelectric-based asphalt layer comprising a plurality of rigid piezoelectric elements and an insulating filler, and
- providing a second asphalt layer located below the piezoelectric-based asphalt layer.
Dependencies are inferred from the claim text.