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:
Nov. 14, 2017
Filed:
Sep. 18, 2014
Applicant:
Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US);
Inventors:
John G. Muldoon, Saline, MI (US);
Claudiu B. Bucur, Ypsilanti, MI (US);
Adrian Lita, Ypsilanti, MI (US);
Assignee:
Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/587 (2010.01); H01M 4/38 (2006.01); H01M 4/60 (2006.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/38 (2013.01); H01M 4/587 (2013.01); H01M 4/602 (2013.01); H01M 4/625 (2013.01); H01M 2004/028 (2013.01);
Abstract
A core-shell elemental sulfur sub-micron particle having a core of elemental sulfur and a shell of a membrane containing alternating layers of oppositely charged polyelectrolytes is provided. A functionalized conductive carbon material is optionally present in one or more of the core and an outer layer. A cathode containing the core-shell elemental sulfur sub-micron particle and a lithium-sulfur battery constructed with the cathode are also provided.