Search Results - craig+arnold

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A Device for Harvesting Mechanical Energy Through a Piezoelectrochemical Effect

Princeton Docket # 15-3135-1Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have developed a piezoelectrochemical device which uses mechanical stress to produce a voltage/current.Mechanical energy harvesting is an increasingly important method of providing power to distributed sensor networks where physical...
Published: 12/11/2024   |   Inventor(s): Craig Arnold, John Cannarella
Keywords(s): battery, energy
Category(s): Mechanical/Electrical Engineering

Green and Safe Electrolytes for Multivalent-Ion (Mg, Ca, etc.) Batteries

Green and Safe Electrolytes for Multivalent-Ion (Mg, Ca, etc.) BatteriesPrinceton Docket # 15-3142/3143/16-3237Prof. Craig Arnold’s laboratory has developed a green and halide free electrolyte system for multivalent-ion (Mg, Ca, and others) batteries capable of reversible metal electrodeposition that is superior to current chemistries that utilize...
Published: 6/22/2023   |   Inventor(s): Jake Herb, Craig Arnold, Carl Nist-Lund
Keywords(s):  
Category(s): Chemistry, Materials

A Device for Mechanically Detecting Anomalous Battery Operation

Princeton Docket # 15-3151-1Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have developed a new device which monitors mechanical changes in a battery cell and predicts a battery failure event before it happens.Battery failures are commonly thought of as being unpredictable, arising from unexpected sources...
Published: 12/19/2022   |   Inventor(s): Craig Arnold, John Cannarella, Xinyi Liu
Keywords(s): battery
Category(s): Mechanical/Electrical Engineering

Stress-Based State of Health and Charge Measurement for Intercalation Batteries

Stress-Based State of Health and Charge Measurement for Intercalation BatteriesPrinceton Docket # 12-2792The determination of a battery’s state of charge (SOC) and state of health (SOH) are important for the power management system that relies on batteries as a power source, e.g., mobile phones, laptops, electric vehicles, grid level storage,...
Published: 3/7/2024   |   Inventor(s): Craig Arnold, John Cannarella
Keywords(s): battery, computers/software, energy, medical device, solar cell
Category(s): Medical Devices/Diagnostics, Computer Science and Information Technology

Linear-Translational Multi-Target Manipulator with Adjustable Temperature Control for Thin Film Deposition

Linear-Translational Multi-Target Manipulator with Adjustable Temperature Control for Thin Film Deposition Princeton Docket # 13-2931-1 Multi-target manipulators are one of the crucial parts in multi-layered film depositions such as Pulsed Laser Deposition (PLD). The complicated motion of the currently manufactured rotary multi-target manipulator prevents...
Published: 3/30/2022   |   Inventor(s): Hyuncheol Jeong, Craig Arnold, Rodney Priestley
Keywords(s): materials, metamaterials, process optimization
Category(s): Materials

Novel Chalcogenide Materials with Controllable Light Radiation Response Feature

Novel Chalcogenide Materials with Controllable Light Radiation Response Feature Princeton Docket # 13-2839-1 Chalcogenide glass materials exhibit a variety of optical properties that make them desirable for near and mid-infrared communications and sensing applications. To address the pressing need for optical components fabricated from material that...
Published: 3/30/2022   |   Inventor(s): Craig Arnold, Chao Lu
Keywords(s): Chemistry, Imaging, laser
Category(s): Chemistry, Mechanical/Electrical Engineering, Materials

Novel Mid-infrared Compatible Chalcogenide Structure Materials

Novel Mid-infrared Compatible Chalcogenide Structure Materials Princeton Docket # 12-2828-1 The mid-infrared spectral region (3-12um) is a newcomer in the beam combining technology field gaining increasing attention. The emergence of commercially available semi-conductor lasers operating at room temperatures and at any wavelength in the mid-infrared...
Published: 3/30/2022   |   Inventor(s): Craig Arnold, Yunlai Zha
Keywords(s): Chemistry, Imaging, laser
Category(s): Chemistry, Mechanical/Electrical Engineering, Materials

Novel Methods for Chalcogenide Waveguide Fabrication on Curved Substrates

Princeton Docket # 11-2657 Charcogenide glass materials exhibit a variety of optical properties that make them desirable for near- and mid-infrared communications and sensing applications. However, processing limitations for these photorefractive materials have made the direct integration of waveguides with sources or detectors challenging. Present...
Published: 3/30/2022   |   Inventor(s): Craig Arnold, Yunlai Zha, Candice Tsay
Keywords(s): laser, Opto-Electronics/ELE ENG
Category(s): Mechanical/Electrical Engineering

Design and Use of an Acoustically Tunable Beam Shaping Apparatus

Design and Use of an Acoustically Tunable Beam Shaping Apparatus Princeton University Invention # 07-2369 Fixed lenses are conveniently used for shaping the intensity patterns or wavefronts of light, however there are needs for frequent reshaping which requires adaptive optical elements. There are a number of such active...
Published: 11/26/2024   |   Inventor(s): Craig Arnold, Euan Mcleod, Marti Duocastella, Alexandre Mermillod-Blondin
Keywords(s):  
Category(s): Mechanical/Electrical Engineering