The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2025
Filed:
Apr. 12, 2018
Nanotek Instruments, Inc., Dayton, OH (US);
Aruna Zhamu, Springboro, OH (US);
Bor Z. Jang, Centerville, OH (US);
Honeycomb Battery Company, Dayton, OH (US);
Abstract
Provided is particulate for use in a lithium-selenium battery cathode, the particulate comprising one or a plurality of cathode active material particles (selected from Se, lithium polyselenide, sodium polyselenide, potassium polyselenide, a Se alloy or mixture with Sn, Sb, Bi, S, or Te, or a combination thereof) being embraced or encapsulated by a thin layer of a protecting polymer having a lithium ion conductivity from 10S/cm to 5×10S/cm and a thickness from 0.5 nm to 10 μm, wherein the protecting polymer layer contains a polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl methacrylate) (PMMA), poly(vinylidene fluoride) (PVDF), poly bis-methoxy ethoxyethoxide-phosphazene, polyvinyl chloride, poly(vinylidene chloride), polydimethylsiloxane, poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP), polyethylene glycol (PEG), chemical derivatives of PEG, poly(ethylene glycol diacrylate) (PEGDA), polyethylene glycol methyl ether (PEG-me), polyethylene glycol dimethyl ether (PEG-de), sulfonated polymers, interpenetrating polymer networks thereof, and combinations thereof.