Search Results - coating

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Improved electrochemical stability of microscale lithium-ion battery cathode particles with conformal graphene coatings
NU 2021-158 INVENTORS Mark Hersam* Kyu-Young Park SHORT DESCRIPTION A cobalt-free LiNiO2 cathode material is enhanced with a conformal graphene coating that improves high- voltage stability and extends cycle life. The innovation addresses oxygen loss and associated structural degradation during high state of charge. BACKGROUND Cobalt-free...
Published: 8/28/2025   |   Inventor(s):  
Keywords(s): Batteries, Coating, Energy and Infrastructure, Graphene
Category(s): Physical Sciences > Materials and Industrial Processes
Patterned Surface Coating for Water Harvesting
Executive Summary In arid regions worldwide, there is a critical need for supplying water for drinking, agriculture and public use. However, these regions often have limited well capacity or water is available but is brackish, saline or contaminated. One possible solution it to capture the water from moist air. While several technologies exist for...
Published: 8/5/2025   |   Inventor(s): Caroline Szczepanski, Sabrina Curley
Keywords(s): Alt Energy - Wind & Solar, Coating, Drinking Water, Surface Functional
Category(s): Advanced Materials, Environmental
Enabling Ambient Stability of Lithium-Ion Battery Electrode Materials via Graphene-Cellulose Composite Coatings
INVENTORS Mark Hersam* Norman Luu SHORT DESCRIPTION A novel graphene-ethyl cellulose (GrEC) coating technique that significantly enhances the ambient stability of nickel-rich lithium-ion battery (LIB) cathode materials by preventing the formation of surface impurities. BACKGROUND Lithium-ion batteries (LIBs) are crucial for the clean...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Batteries, Cleantech, Coating, Energy and Infrastructure, Graphene, Materials, Nanomaterials, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
Efficient Inverse Perovskite Solar Cells by Uniform Deposition of Al2O3
NU 2024-102 INVENTORS Doekjae Choi Bin Chen Ted Sargent* SHORT DESCRIPTION This technology significantly improves the efficiency and stability of all-perovskite tandem solar cells through surface functionalization and atomic layer deposition. BACKGROUND Voltage deficits in inverted perovskite solar cells occurs primarily at the interface recombination...
Published: 9/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, Coating, Devices, Energy and Infrastructure, Photovoltaic, Solar, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability
Liquid Metal Printing Technique via Optical Maskless Lithography (Case No. 2024-031)
Summary: Researchers in the UCLA Department of Materials Science and Engineering have developed a facile, rapid method to print soft, wearable electronics. Background: Soft electrical circuits have garnered significant interest in a broad range of emerging technologies, including wearable electronics, brain-machine interfaces, and soft robotics....
Published: 3/6/2025   |   Inventor(s): Ximin He, Dong Wu
Keywords(s): Coating, Coatings, Adhesives, & Inks, Electronics & Semiconductors, Fabrication Technologies, gallium-based liquid metals, General Device Coatings, Liquid metal particles, liquid metals, Metals, Microelectronics Semiconductor Device Fabrication, Polymer, Polymers, scalable fabrication, Semiconductor Device Fabrication, soft electrical circuits, soft electronics, wearable electronics, wearable sensors
Category(s): Chemical, Chemical > Polymers, Chemical > Coatings, Adhesives & Inks, Electrical, Electrical > Electronics & Semiconductors, Electrical > Sensors, Electrical > Instrumentation, Electrical > Flexible Electronics, Materials, Materials > Fabrication Technologies, Materials > Composite Materials, Materials > Metals
Graphene Coating of High Voltage Lithium-Ion Batteries
NU 2021-090 INVENTORS Mark Hersam* Norman Luu Jin-Myoung Lim SHORT DESCRIPTION Graphene coating that improves the stability, life cycle, and efficiency of Li -ion battery at high voltage ABSTRACT Northwestern researchers have developed a conformal, conductive graphene coating that can stabilize high-voltage Li-ion batteries by reducing mechanical...
Published: 9/4/2025   |   Inventor(s):  
Keywords(s): Batteries, Cleantech, Coating, Materials
Category(s): Physical Sciences > Energy & Sustainability, Physical Sciences > Materials and Industrial Processes
ELECTRICAL ENERGY GENERATION USING METAL NANOFILMS
NU 2014-102B INVENTORS Franz Geiger* Tom Miller* (CalTech) SHORT DESCRIPTION Metal nanofilms that convert gravitational energy to electrical energy when aqueous drops roll down their surface. BACKGROUND Harvesting electrical energy from natural resources is critical to limit the consumption of batteries and fossil fuels. Approaches for electric power...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Biomedical, Coating, Energy and Infrastructure, Materials
Category(s): Physical Sciences > Materials and Industrial Processes
Additive Manufacturing of Large-Area Covalent Organic Framework Thin-films
NU 2020-132 INVENTORS Mark C. Hersam* William R. Dichtel* Nathan P. Bradshaw Austin M. Evans SHORT DESCRIPTION A new method for additive manufacturing of 2D covalent organic framework (COF) thin-films on various substrates using spray-coating BACKGROUND 2D COFs are crystalline, two-dimensional polymers that have molecularly precise pore sizes. 2D...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Coating, Manufacturing/Processing, Sensors, Thin film
Category(s): Physical Sciences > Materials and Industrial Processes
On-mask Chemical Modulation of Respiratory Droplets
NU 2020-180 INVENTORS Jiaxing Huang* Haiyue Huang Hun Park DESCRIPTION Mask treatment that chemically deactivates exhaled droplets passing through the mask fabric with anti-pathogenic molecules BACKGROUND Transmission of infectious respiratory diseases starts from pathogen-laden droplets released during coughing, sneezing or speaking. Global respiratory...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Chemicals, Coating, COVID-19, Health & Safety, Infectious disease, Materials
Category(s): Physical Sciences > Materials and Industrial Processes
Multi-Functional Anti-Icing Hydrogel Technique for Controlling Ice Nucleation, Growth, and Adhesion (Case No. 2020-747)
Summary: UCLA researchers in the Department of Materials Science and Engineering have developed an anti-icing coating that is the first to incorporate a trifold approach by lowering the ice formation temperature, making the surface difficult for ice to stick to and delaying ice crystal growth. Background: Undesired icing/frosting on various surfaces...
Published: 8/20/2025   |   Inventor(s): Ximin He
Keywords(s): adhesion, anti-freeze, anti-icing, ceramic, Ceramics, Coating, Coatings, Adhesives, & Inks, General Device Coatings, glass, hydrogel, ice, ice prevention, mechanical durability, nucleation, organo hydrogel, spin coat, temperature control
Category(s): Chemical > Coatings, Adhesives & Inks, Materials > Membranes, Chemical > Polymers, Energy & Environment > Thermal
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