Search Results - sustainability+%26+cleantechnologies

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Use of ultraviolet and aluminum nanoclusters to form water repellents for textiles
University of Oregon Researchers: Darren Johnson, Jordan Levine, Alex Rosen, Tawney Knecht Patent Applications: 63/190,571 filed 5/19/2021; 17/749,055 filed 5/19/2022 (UO-21-031) Method for Producing a Water-Repellant Textile. Technology Background: Traditional durable, water-repellent (DWR) coatings for textiles commonly use per- and poly-fluorinated...
Published: 6/10/2022   |   Inventor(s): Jordan Levine, Alex Rosen, Darren Johnson, Tawney Knecht
Keywords(s):  
Category(s): Chemistry, Engineering, Materials Science, Physical Science, Nanoscience & Microtechnologies, Sustainability & Cleantechnologies
Bipolar Membrane Catalysis
University of Oregon Researchers are Producing Hydrogen via Membrane Water Electrolysis Using Earth Abundant Catalysts for Alkaline Exchange Membrane Electrolysis Catalyzing heterolytic water dissociation (WD), H2O→H++OH−, is practically important for accelerating electrocatalytic reactions that consume water and for fabricating bipolar-membrane...
Published: 5/4/2022   |   Inventor(s): Shannon Boettcher, Sebastian Oener, Marc Foster
Keywords(s): Science
Category(s): Chemistry, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
High Voltage Redox Electrolytes for Enhanced Electrochemical Capacitor Performance and Reduced Self-Discharge
Researchers have created a hybrid device that combines the advantages of both batteries and supercapacitors. Background Supercapacitors and batteries are the two leading forms of electrochemical energy storage. Both have unique advantages and can be applied to various applications. Supercapacitors can be charged quickly resulting in very high...
Published: 5/4/2022   |   Inventor(s): Shannon Boettcher, Galen Stucky, Brian Evanko, Nicholas Parker, David Vonlanthen, David Auston, Sang-Eun Chun, Xiulei Ji, Bao Wang, Xingfeng Wang, Raghu Subash Chandrabose
Keywords(s): Advanced Materials, Chemical, Electrochemistry, Inorganic, Materials Science
Category(s): Chemistry, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
High Performance Doped III-V Films and Devices from Powders Using Vapor Transport
University of Oregon researchers are manufacturing GaAs in an improved method for photovoltaic devices The high balance-of-system costs of photovoltaic (PV) installations indicate that reductions in cell costs per watt alone are likely insufficient for PV electricity to reach grid parity unless energy conversion efficiency is also increased. Technologies...
Published: 5/4/2022   |   Inventor(s): Shannon Boettcher, Andrew Ritenour, Jason Boucher, Ann Greenaway
Keywords(s): Chemical, Electrochemistry, Green Chemistry, Inorganic, Materials Science, Nanoscience & Microtechnologies, Thin Films
Category(s): Chemistry, Engineering, Materials Science, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
Process for Recycling PVC to HDPE
Background Approximately 40 million tons of polyvinyl chloride (PVC) are produced annually, making PVC one of the most widely produced synthetic plastic polymers. Waste materials that contain PVC are extremely difficult to recycle mechanically. Thermochemical methods such as pyrolysis are also undesirable because of hydrochloric acid and chlorinated...
Published: 1/13/2023   |   Inventor(s): Konstantinos Goulas, Scott Svadlenak
Keywords(s):  
Category(s): Chemical, Chemistry, Materials Science, Sustainability & Cleantechnologies
Method of Producing Oleofurans
Technology Description This technology is a method for making oleofurans which can be derived from biomass and used as precursors for high performance oleofuran-based surfactants. This method minimizes or eliminates the use of toxic and/or expensive reagents, such as trifluoroacetic acid, and produces a small number of bi-products. This process produces...
Published: 2/24/2022   |   Inventor(s): Nicholas Gadinas, Konstantinos Goulas, Kyle Reem
Keywords(s): biorenewable surfacant, detergents, green chemistry, high performance detergents, oleofuran, sulfonate detergents
Category(s): Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies
Thermal Fan
Technology Description This thermal fan device operates, in principle, similarly to a heat pipe by utilizing the latent heats of vaporization and condensation with the corresponding phase changes to move a fluid like air. A phase change working fluid is contained within a confined volume that is exposed to the low-grade heat. The working fluid is selected...
Published: 5/26/2021   |   Inventor(s): Bahman Abbasi, Deepak Sharma
Keywords(s): air circulation, low-grade heat, thermal fan
Category(s): Engineering, Physical Science, Sustainability & Cleantechnologies, Device
Radio Frequency Energy Harvesting with Power Conversion Efficiency Tracking
Technology Description This technology is a novel multi-stage programmable rectifier that can be calibrated to efficiently receive and rectify an RF input to generate a DC voltage output. Each rectifier stage can include a transistor with a programmable threshold voltage and a switch connected to the transistor. Each rectifier stage can also include...
Published: 5/10/2021   |   Inventor(s): Lingli Xia, Patrick Chiang, Jiao Cheng
Keywords(s): Energy harvesting, low power sensors, RF rectifier
Category(s): Engineering, Device, Materials Science, Medical Devices, Nanoscience & Microtechnologies, Physical Science, Sustainability & Cleantechnologies
Variable Rate Drip Irrigation (VRDI) Emitter
Technology Description The Variable Rate Drip Irrigation (VRDI) Emitter is a technology that allows for more precise irrigation by monitoring the flow at the emitter, and controlling that based on the desired volume of water to be emitted. In this way, the operator of the system specifies an amount of water to be applied, and is ensured that the correct...
Published: 1/13/2023   |   Inventor(s): Hadi AL-agele, Chad Higgins, Chet Udell, Chet Udell
Keywords(s): drip irrigation, smart irrigation, water conservation
Category(s): Agricultural, Engineering, Sustainability & Cleantechnologies
In-Situ Bioremediation with Slow Release Co-metabolism Substrates
Background of Invention A variety of highly toxic contaminants of concern persist in soils and groundwater at industrial sites across the country. Treatment, if even feasible, is often very expensive and time consuming. In-situ bioremediation of multiple contaminants with slow release cometabolism allows is attractive, but faces challenges of substrate...
Published: 1/13/2023   |   Inventor(s): Mitchell Rasmussen, Lewis Semprini, Michael Hyman
Keywords(s): Bacteria, Bioremediation
Category(s): Biological Materials, Chemical, Engineering, Materials Science, Sustainability & Cleantechnologies
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