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:
Jun. 09, 2015
Filed:
Sep. 07, 2012
Applicants:
Victor Roev, Suwon-si, KR;
Dong-min Im, Seoul, KR;
Anass Benayad, Yongin-si, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/22 (2006.01); H01M 4/86 (2006.01); H01M 4/40 (2006.01); H01M 4/96 (2006.01); H01M 4/38 (2006.01); H01M 4/46 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); H01M 4/92 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8605 (2013.01); Y02E 60/50 (2013.01); H01M 4/381 (2013.01); H01M 4/405 (2013.01); H01M 4/46 (2013.01); H01M 4/8668 (2013.01); H01M 4/8828 (2013.01); H01M 4/9008 (2013.01); H01M 4/9016 (2013.01); H01M 4/9041 (2013.01); H01M 4/92 (2013.01); H01M 4/923 (2013.01); H01M 4/96 (2013.01); H01M 4/387 (2013.01);
Abstract
A porous carbonaceous composite material, a positive electrode and lithium air battery including the porous carbonaceous composite material, and a method of preparing the porous carbonaceous composite material. The porous carbonaceous composite material includes a carbon nanotube (CNT); and a modified carbonaceous material doped with a heterogeneous element, wherein the ratio of the number of surface oxygen atoms to the number of surface carbon atoms ranges upward from about 2 atom %.