Sulfur containing nanoporous materials, nanoparticles, methods and applications

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United States of America Patent

PATENT NO 9882199
SERIAL NO

13884314

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Abstract

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Sulfur containing nanoparticles that may be used within cathode electrodes within lithium ion batteries include in a first instance porous carbon shape materials (i.e., either nanoparticle shapes or “bulk” shapes that are subsequently ground to nanoparticle shapes) that are infused with a sulfur material. A synthetic route to these carbon and sulfur containing nanoparticles may use a template nanoparticle to form a hollow carbon shape shell, and subsequent dissolution of the template nanoparticle prior to infusion of the hollow carbon shape shell with a sulfur material. Sulfur infusion into other porous carbon shapes that are not hollow is also contemplated. A second type of sulfur containing nanoparticle includes a metal oxide material core upon which is located a shell layer that includes a vulcanized polymultiene polymer material and ion conducting polymer material. The foregoing sulfur containing nanoparticle materials provide the electrodes and lithium ion batteries with enhanced performance.

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Patent Owner(s)

  • CORNELL UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Archer, Lynden A Ithaca, US 35 205
Navaneedhakrishnan, Jayaprakash Lexington, US 5 43

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