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:
Jan. 24, 2017
Filed:
Oct. 28, 2014
Applicant:
Iucf-hyu (Industry-university Cooperation Foundation Hanyang University), Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/505 (2010.01); H01M 4/58 (2010.01); B82Y 30/00 (2011.01); C01G 45/12 (2006.01); C01G 53/00 (2006.01); H01M 4/525 (2010.01); C01D 15/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/58 (2013.01); B82Y 30/00 (2013.01); C01D 15/02 (2013.01); C01G 45/1242 (2013.01); C01G 53/006 (2013.01); C01G 53/54 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5815 (2013.01); C01P 2002/32 (2013.01); C01P 2002/52 (2013.01); C01P 2002/54 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/32 (2013.01); C01P 2004/50 (2013.01); C01P 2004/61 (2013.01); C01P 2004/64 (2013.01); C01P 2006/11 (2013.01); C01P 2006/40 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11);
Abstract
Disclosed herein is a 3V class spinel oxide with improved high-rate characteristics which has the composition Li[MMn]OS(0≦x≦0.1, 0.01≦y≦0.5, 0.01≦z≦0.5, and M is Mn, Ni or Mg). Further disclosed is a method for preparing the 3V class spinel oxide by carbonate coprecipitation of starting materials, addition of sulfur, followed by calcining. The 3V class spinel oxide is spherical and has a uniform size distribution. A lithium secondary battery including the 3V class spinel oxide has a constant plateau at a potential of 3V and shows superior cycle characteristics.