Search Results - materials+%26+chemicals

62 Results Sort By:
Wireless Energy Harvesting and Storage
PAGE TITLEOverviewPAGE SUMMARY Energy storing and harvesting textiles are currently being developed at Drexel University. Antennas are tuned to harvest or scavenge energy at 2.4 GHz from the WiFi frequency band. The antenna is fully knitted from conductive yarns on industrial knitting machines. The antenna is connected to a small circuit that can collect...
Published: 7/24/2024   |   Inventor(s): Genevieve Dion, Kapil Dandekar, Yury Gogotsi, Kristy Jost
Keywords(s): Antenna
Category(s): Energy, Mechanical & Civil Engineering, Materials & Chemicals, Physical Sciences
Fibrous Mats Containing Chitosan Nanofibers
PAGE TITLEOverviewPAGE SUMMARY Electrolytes such as sodium play an important role in maintaining homeostasis within the body. Sweat is the visible manifestation of a body’s attempt to correct electrolytic imbalances due to changes in hydration state. However, the appearance of dampness on clothing is insufficient to assess homeostasis because...
Published: 7/10/2024   |   Inventor(s): Caroline Schauer
Keywords(s):  
Category(s): Mechanical & Civil Engineering, Physical Sciences, Materials & Chemicals
Geometrically Dynamic Hydrogel-Based Chemically-Eluting Shunt Prosthesis
­ PAGE TITLE Geometrically Dynamic Hydrogel-Based Chemically-Eluting Shunt Prosthesis PAGE SUMMARY Congenital heart abnormalities such as hypoplastic left heart syndromereduce the flow of blood from the heart to the lungs, such that it does not carry sufficient levels of oxygen through the body. Complex surgeries shortly after birth are typically...
Published: 8/27/2024   |   Inventor(s): Randy Stevens, Kara Spiller, Samantha Cassel, Krianthan Govender, Steven Chopski, Amy Throckmorton
Keywords(s):  
Category(s): Medical Devices & Diagnostics, Materials & Chemicals > M-C: Polymers, Materials & Chemicals, Medical Devices & Diagnostics > MDD: Implantable/Prosthetic Devices, Pharmaceuticals & Therapeutics, Pharmaceuticals & Therapeutics > Pharma: Drug Delivery
Hybrid Electrolytes with Controlled Network Structures for Lithium Metal Batteries
PAGE TITLE Overview PAGE SUMMARY Solid polymer electrolytes (SPEs) with high conductivity and excellent resistance to lithium dendrite growth are highly desirable for the safe operation of lithium batteries. We herein report the facile one-pot synthesis of nanoparticle-containing cross-linked SPEs based on polyhedral oligomeric silsesquioxanes...
Published: 8/13/2024   |   Inventor(s): Christopher Li, Qiwei Pan
Keywords(s):  
Category(s): Energy, Materials & Chemicals, Materials & Chemicals > M-C: Electronic/Conductive, Materials & Chemicals > M-C: Nanomaterials, Energy > Energy: Energy Storage
Ion conducting nanofiber fuel cell electrodes
PAGE TITLE Overview PAGE SUMMARY Proton exchange membrane fuel cells (PEMFCs) boast high efficiency, high energy and power density, low-temperature operation, rapid start-up time, and incorporation of fuels from renewable sources with no point-of-use greenhouse gas emissions. Consequently, PEMFCs have attracted considerable interest as alternative...
Published: 8/12/2024   |   Inventor(s): Yossef (joe) Elabd, Francis Richey, Kevin Wujcik
Keywords(s):  
Category(s): Energy, Materials & Chemicals, Energy > Energy: Fuel Cells, Energy > Energy: Energy Storage, Materials & Chemicals > M-C: Nanomaterials, Materials & Chemicals > M-C: Electronic/Conductive
Renewable Bio-based (Meth)Acrylated Monomers as Vinyl Ester Cross-linkers
PAGE TITLE Overview PAGE SUMMARY Petroleum-based vinyl ester (VE) resins are one of the most common materials used in conventional thermosetting polymers and composites because of their improved performance and ease of processing. However, these materials contribute to the depletion of finite crude oil reserves, and the cost of manufacturing will...
Published: 8/12/2024   |   Inventor(s): Giuseppe Palmese, John La Scala, Joshua Sadler, Anh-Phuong Thy Lam
Keywords(s):  
Category(s): Materials & Chemicals, Materials & Chemicals > M-C: Polymers, Materials & Chemicals > M-C: Environmental, Materials & Chemicals > M-C: Chemicals and Processes
Transparent Conformal polymer antennas for RFID and other wireless communications applications
PAGE TITLEOverview PAGE SUMMARY An optically transparent conformal polymer antenna and a method for producing the antenna from optically transparent conductive polymers. The method includes selecting an antenna design; providing an optically transparent conductive polymer material capable of being printed using an ink jet printer device; and printing...
Published: 7/11/2024   |   Inventor(s): Kapil Dandekar, Adam Fontecchio, Timothy Kurzweg
Keywords(s):  
Category(s): Materials & Chemicals, Communications & Cybersecurity, Electrical Engineering & Electronics, Hardware, Circuits & Sensors, Communications & Cybersecurity > Comm: Antennas, Communications & Cybersecurity > Comm: Wireless, Electrical Engineering & Electronics > EE: Telecommunications, Electrical Engineering & Electronics > EE: Electronic Devices, Electrical Engineering & Electronics > EE: Components, Hardware, Circuits & Sensors > Hardware: Antennas, Hardware, Circuits & Sensors > Hardware: Electronic Components, Hardware, Circuits & Sensors > Hardware: Communication & Networking, Materials & Chemicals > M-C: Electronic/Conductive, Materials & Chemicals > M-C: Polymers
Dynamic Time Multiplexing Fabrication of Holographic Polymer Dispersed Liquid Crystals for Increased Wavelength Sensitivity
PAGE TITLE Overview PAGE SUMMARY Described herein is a new holographic polymer dispersed liquid crystal (HPDLC) medium with broadband reflective properties, and a new technique for fabrication of broadband HPDLC mediums. The new technique involves dynamic variation of the holography setup during HPDLC formation, enabling the broadening of the...
Published: 8/12/2024   |   Inventor(s): Adam Fontecchio, Kashma Rai
Keywords(s):  
Category(s): Materials & Chemicals, Electrical Engineering & Electronics, Hardware, Circuits & Sensors, Materials & Chemicals > M-C: Polymers, Materials & Chemicals > M-C: Electronic/Conductive, Electrical Engineering & Electronics > EE: Hyperspectral Imaging, Electrical Engineering & Electronics > EE: Optoelectronics, Electrical Engineering & Electronics > EE: Electronic Devices, Hardware, Circuits & Sensors > Hardware: Imaging, Materials & Chemicals > M-C: Chemicals and Processes
Nanotube-based sensors and probes
PAGE TITLE Overview PAGE SUMMARY Described herein are novel devices for the study of transport characteristics of complex or simple fluids, interactions among molecules in suspension, interactions between molecules in suspension and wall-bound molecules, and biochemical sensing devices made of reservoirs for fluid containment linked by a nanotubes....
Published: 8/12/2024   |   Inventor(s): Yury Gogotsi, Byong Man Kim, Michael Riegelman, Haim Bao
Keywords(s):  
Category(s): Materials & Chemicals, Medical Devices & Diagnostics, Research Tools & Materials, Materials & Chemicals > M-C: Nanomaterials, Materials & Chemicals > M-C: Micro & Nanotech, Medical Devices & Diagnostics > MDD: Diagnostic Tests, Hardware, Circuits & Sensors, Hardware, Circuits & Sensors > Hardware: Biological Sensors, Hardware, Circuits & Sensors > Hardware: Chemical Sensors
Polymer dispersed liquid crystal photovoltaic device and method for making
PAGE TITLE Overview PAGE SUMMARY A novel photovoltaic device including a polymer dispersed liquid crystal (PDLC) material that is capable of converting solar energy to electrical energy and method for making. The device may optionally include a conductive container for holding the PDLC material. In an exemplary embodiment, the invention is directed...
Published: 8/12/2024   |   Inventor(s): Adam Fontecchio, Jared Coyle
Keywords(s):  
Category(s): Energy, Materials & Chemicals, Energy > Energy: Energy Harvesting, Energy > Energy: Solar, Materials & Chemicals > M-C: Polymers, Materials & Chemicals > M-C: Electronic/Conductive, Materials & Chemicals > M-C: Coatings, Materials & Chemicals > M-C: Thin Films
1 2 3 4 5 6 7