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Engineering a Reliable Ultrananocrystalline Diamond Electrode Technology Using 3D-Printed Titanium Substrates

Description :  

By 2025, over 50 percent of the countries in the world will face water stress or water shortages. Addressing this challenge at the food-energy-water nexus will require innovative water treatment technologies. The proposed research will address the development of a new electrochemical advanced oxidation process (EAOP) using a novel diamond-3D titanium “Ti” (D3Ti) anode electrode material with superior properties for the destruction of refractory organic contaminations in industrial and agricultural wastewaters. The proposed electrode technology will employ new metal alloy compositions/microstructures, ultrananocrystalline diamond (UNCD) coating and 3D printing “Ti” substrates to engineer a robust titanium carbide-UNCD interface and demonstrate at least a 10-fold improvement in electrode lifetime compared to current electrodes. The effects of the laser beam power profile and scan rate/pattern used during the Direct Metal Laser Sintering process of “Ti” substrates will be investigated. The research hypothesis of this project is whether the unique properties of this relatively new interface in terms of its carbide formation, lattice distortion and corrosion-oxidation resistance will result in a near ideal substrate for the UNCD nucleation, film growth and anodic stability. As part of this work, UNCD-Ti electrodes that were fabricated during the previous CIMM funding will be tested to determine its lifetime by destroying a synthetic pollutant of known concentration. The proposed research will contribute advanced materials and fabrication science to the general electrochemical technology field. Finally, the detailed understanding of the properties of printed metal from this project (STT2 goal) will be used to validate models developed by CIMM investigators.

Principal Investigator:  Arumugam, Prabhu  --  Mechanical Engineering, Institute for Micromanufacturing, Molecular Science and Nanotechnology
Funding Agencies:  NSF/BoR
Amount Awarded:  10,000

Start Period:  00/00/0000 End Period:  00/00/0000
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October 17th, 2018

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