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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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Efficient Polyester Hydrogenolytic Deconstruction via Tandem Catalysis
NU 2021-150
INVENTORS
Tobin Marks*
Yosi Kratish
SHORT DESCRIPTION
A solvent-free tandem catalytic process to selectively depolymerize common polyester plastics into their monomeric components, using air and moisture-stable catalysts.
BACKGROUND
A mechanism-based tandem catalytic approach enables the selective depolymerization of commodity...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Catalyst, Cleantech, Materials, Polymer, Polymer Recycling and Reprocessing, 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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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: 11/6/2025
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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
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Iron-based Foams and Powder Beds for Rechargeable Solid-oxide Batteries
NU 2023-216, 2022-100
INVENTORS
David C. Dunand *
Samuel M. Pennell
SHORT DESCRIPTION
A new iron-based composite with ultra-high stability and durability as a battery material for grid-scale energy storage.
BACKGROUND
The global shift towards renewable energy necessitates efficient storage solutions for intermittent power, which is crucial for maintaining...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Carbon Dioxide Management, Carbon Storage, Carbon Utilization, CCUS, Cleantech, Energy and Infrastructure, Fuel Cell, Hydrogen, Materials, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability
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Crosslinker for Recyclable Polymethacrylate Polymer Networks
NU 2022-018
INVENTORS
John Mark Torkelson*
Mohammed Abdulaziz Bin Rusayyis
SHORT DESCRIPTION
Polymethacrylate networks with unique crosslinking regime that enables full recovery of initial cross-link density after reprocessing
ABSTRACT
Northwestern researchers have developed a novel approach to improve the recyclability and reprocessability of...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, Manufacturing/Processing, Materials, Polymer, Polymer Recycling and Reprocessing, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability, Physical Sciences > Engineering & Technology
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A Dynamic Cross-Linker for Recyclable Addition-Type Polymer Networks
NU 2020-153
INVENTORS
John Torkelson*
Mohammed Bin Rusayyis
ABSTRACT
Conventional permanently crosslinked polymer networks are used in an array of applications because of their excellent mechanical properties, high heat stability, and outstanding chemical resistance. Unfortunately, their lack of recyclability due to the presence of permanent...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, Polymer, Polymer Recycling and Reprocessing, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
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Improved Solid-State Li-Ion Battery with Layered Ionogel Electrolytes
NU 2020-194
INVENTORS
Jin-Myoung Lim
Mark Hersam*
SHORT DESCRIPTION
A layered heterostructure ionogel electrolyte which extends the electrochemical window and energy density available to solid-state lithium-ion batteries.
BACKGROUND
Despite extensive research into ionic liquid electrolytes, no single ionic liquid has simultaneously achieved desirable...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Batteries, Cleantech, Devices, Electronics & Circuits, Energy and Infrastructure, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes
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