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Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
Published on: September 23, 2018
Power generation from water flowing through three-dimensional graphene foam
Wenbin Huang1, Guanglong Wang, Fengqi Gao
1Institute of Nanotechnology and Microsystems, Mechanical Engineering College, Shijiazhuang 050003, China.
Nanoscale
|October 4, 2013
Summary
This study demonstrates that flowing water through three-dimensional graphene foam (GF) induces electricity. The current
Area of Science:
- Materials Science
- Nanotechnology
- Energy Harvesting
Background:
- Graphene foam (GF) is a promising material for energy applications.
- Developing efficient methods for electricity generation from fluid flow is crucial.
Purpose of the Study:
- To investigate the electricity generation capabilities of three-dimensional graphene foam (GF) when exposed to flowing water.
- To understand the relationship between water flow dynamics and induced electrical properties.
Main Methods:
- Synthesis of three-dimensional graphene foam (GF) via Chemical Vapor Deposition (CVD).
- Experimental setup to measure induced electrical current during water flow through GF.
Main Results:
- Electricity is successfully induced when water flows through the synthesized GF.
- The direction of the induced current is primarily determined by the water flow direction.
- Induced current magnitude correlates with water flow velocity, independent of flow direction and external bias voltage.
Conclusions:
- Three-dimensional graphene foam exhibits potential for self-powered sensing and energy harvesting applications.
- The observed electrokinetic effect is controllable by water flow velocity and direction.
- GF-based devices offer a novel approach for converting mechanical energy from fluid flow into electrical energy.
