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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....
Published: 11/6/2025
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Inventor(s):
Keywords(s): Graphene, Materials
Category(s): Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Coating, Energy and Infrastructure, Graphene
Category(s): Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, COVID-19, Graphene, Materials, Nanomaterials, Polymer, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Cleantech, Coating, Energy and Infrastructure, Graphene, Materials, Nanomaterials, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Cleantech, Devices, Electronics & Circuits, Graphene, Nanomaterials, Thin film
Category(s): Life Sciences, Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Computer hardware, Engineering, Graphene, Semiconductors & Integrated Circuits
Category(s): Physical Sciences > Engineering & Technology
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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: 11/6/2025
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Inventor(s):
Keywords(s): Carbon nanotube, Graphene, Manufacturing/Processing, Nanomaterials
Category(s): Physical Sciences > Materials and Industrial Processes
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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: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Cleantech, Energy and Infrastructure, Graphene
Category(s): Physical Sciences > Materials and Industrial Processes
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Sorting Two-Dimensional Nanomaterials Using Density Differentiation
NU 2008-027BInventors Alexander A Green Mark C Hersam*Abstract Two-dimensional nanomaterials are promising materials in field effect transistors, reinforced composites, sensors, and transparent conductors. Among them, monolayer graphene, a two-dimensional single atomic layer of carbon, has outstanding electronic, mechanical, and chemical properties....
Published: 11/6/2025
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Inventor(s):
Keywords(s): Composite, Electronics & Circuits, Graphene, Materials, Semiconductors & Integrated Circuits, Sensors
Category(s): Physical Sciences > Materials and Industrial Processes
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On-Demand Deposition of Diamond-Like-Carbon for Enhanced Friction Reduction
NU 2014-096Primary InvestigatorQ. Jane WangShort DescriptionA lubrication technology that applies or replenishes a protective layer of carbon on metal parts within engines and drivetrains without requiring disassembly of the machinery.AbstractNorthwestern researchers have developed a novel approach for in-situ and on-demand deposition of lubricious...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Graphene, Manufacturing/Processing, Materials
Category(s): Physical Sciences > Materials and Industrial Processes
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