Transparent flexible nanogenerator as self-powered sensor for transportation monitoring
Patent
·
OSTI ID:1257203
A traffic sensor includes a flexible substrate having a top surface. A piezoelectric structure extends from the first electrode layer. The piezoelectric structure has a top end. An insulating layer is infused into the piezoelectric structure. A first electrode layer is disposed on top of the insulating layer. A second electrode layer is disposed below the flexible substrate. A packaging layer is disposed around the substrate, the first electrode layer, the piezoelectric structure, the insulating layer and the second electrode layer. In a method of sensing a traffic parameter, a piezoelectric nanostructure-based traffic sensor is applied to a roadway. An electrical event generated by the piezoelectric nanostructure-based traffic sensor in response to a vehicle interacting with the piezoelectric nanostructure-based traffic sensor is detected. The electrical event is correlated with the traffic parameter.
- Research Organization:
- Georgia Tech Research Corporation, Atlanta, GA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-07ER46394
- Assignee:
- Georgia Tech Research Corporation (Atlanta, GA)
- Patent Number(s):
- 9,368,710
- Application Number:
- 14/022,407
- OSTI ID:
- 1257203
- Country of Publication:
- United States
- Language:
- English
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