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Synthesis of Graphene-Coated Nickel Wires and its Enhanced Mechanical Properties
Background Continuously manufacturing technology that is more compact, lighter, and sturdier than the last is a driving force in many different fields. Among the materials used for this, graphene stands out for its durability on its own and stability when combined with metals. Graphene has been integrated with conventional bulk-scale materials, e.g.,...
Published: 12/16/2024   |   Inventor(s): Wonjune Choi, Wonmo Kang
Keywords(s):  
Category(s): Physical Science, Energy & Power, Advanced Materials/Nanotechnology, Manufacturing/Construction/Mechanical
Optical Fiber Reactor for Gas Treatment of Nitrogen-Oxide
Background Nitrogen oxides (NOx) as well as nitrous oxide (N2O) have been identified as pollutants of concern in the semiconductor manufacturing industry. While there has been successful implementation of abatement systems to control the emissions of nitrogen oxides, some facilities require further removal to comply with new regulations and meet sustainability...
Published: 12/16/2024   |   Inventor(s): Pierre Herckes, Paul Westerhoff, Matthew Fraser
Keywords(s):  
Category(s): Physical Science, Semiconductors, Materials & Processes, Energy & Power, Environmental
Photoelectrocatalytic-Enabled Flexible Polymeric Optoelectrodes
Background Photoelectrocatalytic processes (PECs) combine photocatalysis and electrochemical principles to enhance charge carrier generation and stability within nanomaterials (NMs). Nano-enabled PECs can be used for water purification or hydrogen production applications. Current PEC designs face challenges due to low energy efficiencies, because most...
Published: 12/13/2024   |   Inventor(s): Paul Westerhoff, Sergi Garcia-Segura, Tzu-Heng Wang
Keywords(s):  
Category(s): Physical Science, Advanced Materials/Nanotechnology, Energy & Power, Environmental Remediation/Wastewater Treatment
High-Efficiency Photocatalytic Formate Production from Carbon Dioxide
Background Greenhouse gases (GHGs) trap heat and lead to global warming and other severe effects of climate change. Carbon dioxide (CO2) is the main source of GHG, and its capture before entering the atmosphere is an important mitigation approach. Captured CO2 from point-emission sources or via direct air capture (DAC) can be geologically sequestered...
Published: 11/15/2024   |   Inventor(s): Yen-Jung Lai, Tzu-Heng Wang, Paul Westerhoff, Bruce Rittmann
Keywords(s):  
Category(s): Physical Science, Energy & Power, Environmental
Miniaturized Single-Phase AC/DC Power Converters via Harmonically Partitioned Power Electronics
Background Monolithic wide band gap power semiconductors capable of four quadrant operation (blocking bidirectional voltage and carrying bidirectional current) are emerging and becoming commercially available. Four-quadrant devices have historically been referred to as “Bidirectional Switches” (BDSs), and they have been implemented using...
Published: 10/21/2024   |   Inventor(s): Mike Ranjram
Keywords(s):  
Category(s): Physical Science, Energy & Power, Semiconductor Devices, Applied Technologies
Combining Air Capture and Water Splitting for Generating Carbon Dioxide and Hydrogen for Synthetic Fuel Production
Background The conversion of solar energy to fuels requires both water (H2O) and carbon dioxide (CO2) as feedstocks. These feedstocks provide the carbon and hydrogen atoms necessary to form hydrocarbons. By removing oxygen from one or both of these compounds, liquid hydrocarbon fuels can be produced. Water can be converted into hydrogen and oxygen...
Published: 10/10/2024   |   Inventor(s): Klaus Lackner
Keywords(s): Environmental, Fuel Cells, Energy, Materials and Electronics
Category(s): Physical Science, Energy & Power, Environmental, Alternative Energy
The Chimney for CO2 Direct Air Capture – Enhanced Airflow for Capture
Background The removal of CO2 from the atmosphere through direct air capture (DAC) can help to stabilize the planet’s climate. There is a need for large-scale negative emission systems as more CO2 will need to be captured and stored in the future. There are existing DAC systems for carbon capture using airflow, which can use large fans to bring...
Published: 10/10/2024   |   Inventor(s): Klaus Lackner, Kacie Niimoto, Robert Page
Keywords(s):  
Category(s): Physical Science, Manufacturing/Construction/Mechanical, Environmental, Applied Technologies, Energy & Power
Reprocessable Sorbents for Direct Air Capture of CO2
Background Negative emission technologies, including direct air capture (DAC), are a critical solution needed to reduce carbon emissions and lead to a net-zero scenario. DAC solutions are a viable solution that present many advantages, but generate increased demand for low-cost CO2 sorbents, due to greater amounts of material needed to effectively...
Published: 10/10/2024   |   Inventor(s): Matthew Green, Brent Sumerlin, Megan Robertson, Kacie Niimoto
Keywords(s):  
Category(s): Physical Science, Environmental Remediation/Wastewater Treatment, Energy & Power, Applied Technologies, Advanced Materials/Nanotechnology
Time-Interleaved Transceiver Architecture
Background Phased array receivers and analog-to-digital converters (ADCs) are essential for processing high-frequency signals in critical fields like communications and radar. These systems rely on ADCs to convert analog signals into digital forms, enabling precise data analysis and real-time data processing. However, traditional ADC designs face significant...
Published: 10/8/2024   |   Inventor(s): Saeed Zeinolabedinzadeh
Keywords(s):  
Category(s): Wireless & Networking, Physical Science, Energy & Power
Multi-Kilovolt AIN Power Diodes on Free-Standing Substrates
Background Aluminum nitride (AlN) is a promising ultra-wide bandgap (UWBG) semiconductor for next-generation power electronics due to its remarkable material attributes, including the largest bandgap in the UWBG semiconductor family, high breakdown field, and superior thermal conductivity. In recent years, AlN Schottky barrier diodes (SBDs) have already...
Published: 10/3/2024   |   Inventor(s): Houqiang Fu, Dinusha Herath Mudiyanselage, Dawei Wang
Keywords(s):  
Category(s): Energy & Power, Physical Science, Semiconductors, Materials & Processes
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