Search Results - graphene

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Flash Reduction of Graphite Oxide to Graphene
NU 2008-166 Inventors Laura Cote Jiaxing Huang* Rodolfo Cruz Silva Abstract Graphite oxide (GO) is a promising precursor for the bulk production of graphene-based materials due to its relatively low cost of synthesis. The superior solvent processability of GO makes it attractive for making composites by premixing with other materials. Typically,...
Published: 9/3/2025   |   Inventor(s):  
Keywords(s): Graphene, Materials
Category(s): Physical Sciences > Materials and Industrial Processes
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
Sterilizable and Reusable Ultraviolet-Resistant Graphene-Polyurethane Elastomer Composites
NU 2022-136 INVENTORS Mark Hersam* Lidia Kuo Benjamin Luijten Ana Carolina Mazarin De Moraes Shay Goff Wallace SHORT DESCRIPTION Development of a graphene-polyurethane elastomer composite that is resistant to UVGI irradiation, enabling the sterilization and reuse of personal protective equipment (PPE). BACKGROUND The...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Cleantech, COVID-19, Graphene, Materials, Nanomaterials, Polymer, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
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
Exfoliation of Graphene using Biorenewable, Functionalized Cellulose Nanocrystals
NU 2023-183 INVENTORS Mark Hersam* Stuart Rowan* Janan Hui Haoyang You SHORT DESCRIPTION Utilizing biorenewable carboxylated cellulose nanocrystals for the eco-friendly and scalable exfoliation of few-layer graphene nanoplatelets. BACKGROUND Graphene's potential in next-generation printed electronics is vast yet hindered...
Published: 9/5/2025   |   Inventor(s):  
Keywords(s): Batteries, Cleantech, Devices, Electronics & Circuits, Graphene, Nanomaterials, Thin film
Category(s): Life Sciences, Physical Sciences > Materials and Industrial Processes
Solid-State Supercapacitors and Microsupercapacitors Derived from Printable Graphene Inks
Solid-State Supercapacitors and Microsupercapacitors Derived from Printable Graphene Inks NU 2016-076 INVENTORS Mark Hersam* Lei Li Ethan Secor SHORT DESCRIPTION These solid-state supercapacitors and microsupercapacitors, derived from printable graphene inks, offer a scalable, flexible, and binder-free solution for high-performance energy...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Computer hardware, Engineering, Graphene, Semiconductors & Integrated Circuits
Category(s): Physical Sciences > Engineering & Technology
Expanded Graphite Reinforced Shaped Polymer Composites
Executive Summary Polymeric composites are used in a myriad of applications including automotive, aerospace, industrial and consumer markets. Balancing properties such as weight, cost, mechanical and electrical properties is key to developing a successful product. MSU researchers have developed an inexpensive method of preparing a shaped polymer composite...
Published: 6/19/2023   |   Inventor(s): Lawrence Drzal, Hiroyuki Fukushima
Keywords(s): Carbon Nanotubes, Composites, Electrodes, Expanded Graphite, Graphene, Graphite Nanoplatelets
Category(s): Nanotechnology, Advanced Materials
2023-056 A Method to Make High Strength, High Ductility, and High Electrical Conductivity Metals
Summary: UCLA researchers in the Department of Materials Science and Engineering have developed ultra-strong metal nanocomposites with high ductility, thermal stability, and electrical conductivity. Background: In many different applications, including those in the aerospace, defense, electronics, energy, and transportation sectors, nanocrystalline...
Published: 2/14/2025   |   Inventor(s): Yinmin Wang, Zan Li
Keywords(s): graphene, high-strength, metal nanocomposites, Metals, Nanocrystal, nanocrystalline metals, nanodispersion, nanograined metals, Nanomaterials, Nanoparticle, Nanoparticles, nanostructured materials, Nanotechnology, reduced graphene oxide, strength-ductility, strength-electrical conductivity, strength-thermal stability
Category(s): Materials, Materials > Composite Materials, Materials > Functional Materials, Materials > Metals, Materials > Fabrication Technologies
Synthetically Reinforced Cement with Highly Concentrated Graphene Nanoplatelets
NU 2020-202 INVENTORS Ange-Therese Akono SHORT DESCRIPTION A new method to reinforce cement with graphene nanoplatelets to yield improvements in fracture toughness and water penetration resistance. BACKGROUND Concrete is the second most-consumed resource on earth after water, with a global production that exceeds 16 billion metric tonnes a year....
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Carbon nanotube, Graphene, Manufacturing/Processing, Nanomaterials
Category(s): Physical Sciences > Materials and Industrial Processes
Enhancing Nanostructured Nickel-Rich Lithium-Ion Battery Cathodes via Surface Stabilization
NU 2020-195 INVENTORS Norman Luu Jin-Myoung Lim Mark Hersam* ABSTRACT Lithium-ion battery cathodes based on layered transition metal oxides have emerged as ideal candidates for high-power technologies such as drones, power tools, and electric vehicles. These applications require batteries that can deliver high power while maintaining low impedance...
Published: 8/5/2025   |   Inventor(s):  
Keywords(s): Batteries, Cleantech, Energy and Infrastructure, Graphene
Category(s): Physical Sciences > Materials and Industrial Processes
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