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Inexpensive and Processable Polymer Magneto-Optic Nanoparticle Composites for Faraday Rotation: Plastic Garnet Optical Isolators and Sensors

This invention includes methods and materials for producing high Verdet constant composite materials. Uses polymers as an inexpensive substrate in which certain types of nanoparticles are embedded. The invention includes detailed processes of how to embed the nanoparticles and prevent the nanoparticles from aggregating in the polymer. The result is...

Published: 3/12/2024 | Inventor(s): Dong-Chul Pyun, Robert Norwood, Nicholas Pavlopoulos

Keywords(s):

Category(s): Technology Classifications > Materials > Polymers, Technology Classifications > Sensors & Controls, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical

Improved Cathode Materials for Li-S Batteries via Inverse Vulcanization of Sulfur with Vinylic Comonomers and Tungsten Disulfide (WS2) Fillers

This invention is a novel cathode composite design based on tungsten sulfide particles dispersed within a conductive sulfur polymer backbone, prepared with vinylic comonomers, such as diisobutadiene (DIB). The polysulfide provides high conductivity and stable, robust chemistry in a tuneable and simple 2-D design. Capacity of ~800 mAh/g has been achieved...

Published: 6/20/2024 | Inventor(s): Dong-Chul Pyun, Nicholas Pavlopoulos

Keywords(s):

Category(s): Technology Classifications > Materials > Polymers