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Apparatus and Method for Closed Loop Control of Heliostat Motion
This invention is an apparatus and method for controlling the motion of heliostats, which are mirrors that reflect sunlight towards a common target. For heliostats to be maximally efficient, they must be able to shift in orientation precisely as the Sun’s relative position to the Earth changes. This technology utilizes a beamsplitter perpendicular...
Published: 9/27/2024
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Inventor(s): James Angel, Andrew Vagher, Matthew Rademacher
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation
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Apparatus and Method for Closed-Loop Heliostat Tracking
This technology is an apparatus and method to accurately orient a field of multiple heliostats to reflect sunlight to a single distant receiver. Higher accuracy tracking than previously realized is needed to fully exploit future heliostats that better concentrate sunlight on the receiver by forming a disc image of the Sun. This innovation overcomes...
Published: 8/6/2024
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Inventor(s): James Angel
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic
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Heliostat Deflectometry
This invention is a novel heliostat metrology method to analyze and assess heliostat quality. This method is designed for use with large format meter-scale heliostat mirrors. Through the use of a unique modulation-free pattern approach, this metrology method can be used in outdoor environments. In the context of heliostats, deflectometry is employed...
Published: 8/5/2024
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Inventor(s): Daewook Kim, James Angel, Yiyang Huang
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Efficient Colored Solar Panels and Cells with Integrated Coloration
This technology is a novel method of integrating vibrant colors into solar panels and cells without significantly compromising their performance. This is achieved through innovative optical coatings and structures that create narrowband resonances, allowing for selective color reflection or transmission while maintaining high levels of light absorption...
Published: 7/1/2024
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Inventor(s): Mohamed ElKabbash
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Maximize Enhancement and Augmentation for Ultra-High Heat Flux Heat Exchange
This invention provides a series of special designs to apply multiple jets for impingement heat exchange to have dramatically enhanced heat transfer and augmented heat transfer surface. Both high heat transfer coefficient and large heat transfer surface contribute to high heat transfer rate. Particularly for concentrating solar thermal receivers that...
Published: 8/1/2024
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Inventor(s): Peiwen Li
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy
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Multifunctional Nanofiber Reinforcement for Printable Electronics
Researchers at the University of Arizona have integrated electrospun nanofibers into printable optoelectronic films to improve their stability and toughness. These nanofibers have the potential for improved efficiency in solar cells through light scattering.
Background:
Recent advances in the solar cell industry have led to the development of more...
Published: 8/1/2024
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Inventor(s): Adam Printz, Anton Samoylov, Nick Swenson, Antonio Murrieta, Juliana Baltram
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic
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Concentrated Solar Receiver and Reaction Chambers for Hydrogen Production using Solar Energy
This technology is a solar receiver tower that has a set of reciprocally rotatable chambers that receive different amounts of solar energy at the tower. This differentiates the temperatures of each chamber to house different stages of thermochemical reactions for hydrogen production. Using solar energy to produce hydrogen for fuel is a solution for...
Published: 8/20/2024
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Inventor(s): Peiwen Li
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Energy, Cleantech & Environmental > Low Carbon
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Wide Area Spectralelectrochemical Measurement of Thin Film Semiconductors for Electronic Band Structure Analysis
This invention is a rapid, nondestructive detection method for properties of semiconductor stacks (including perovskite stacks for use in photovoltaics) which can be used at speeds and scales relevant for manufacturing to check product quality. This invention could reduce/remove barriers for manufacturing scale-up and production of high quality robust...
Published: 6/20/2024
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Inventor(s): Erin Ratcliff, Michel De Keersmaecker, Neal Armstrong
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Materials > Processing, Technology Classifications > Sensors & Controls
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Actively Focused Heliostat with Mechanically Coupled Shape Change
This invention is a heliostat that has its toroidal reflector continuously altered through the day. A simple mechanical coupling is used to change the reflector shape over the course of the day. Dual-axis mounts were found to maximize capability. In this way, the heliostat realizes the highest possible concentration of sunlight.
This model also reduces...
Published: 6/4/2024
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Inventor(s): James Angel, Nicholas Didato, Matthew Rademacher
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy
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Target Axis Heliostat with Mechanically Coupled Reflector Deformation
This technology utilizes a mechanical coupling system that changes the shape of the reflectors on the heliostat throughout the day. In doing so, the incoming light from the sun is always focused to a sharp image. This increases the temperature at the device’s receiver and allows for higher efficiency in converting the incoming solar energy to...
Published: 6/4/2024
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Inventor(s): James Angel, Nicholas Didato
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy
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