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.

Date of Patent:
Jun. 29, 2021

Filed:

Oct. 28, 2016
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Ye Lin Kim, Daejeon, KR;

Jong Heon Seol, Daejeon, KR;

Kyung Yeon Kang, Daejeon, KR;

Sang Hoon Choy, Daejeon, KR;

Ji Hee Woo, Daejeon, KR;

Dong Hyun Cho, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 4/139 (2010.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/625 (2013.01); H01M 4/0404 (2013.01); H01M 4/139 (2013.01); H01M 4/622 (2013.01); H01M 10/052 (2013.01);
Abstract

The present invention provides: a conductive material dispersed liquid containing a conductive material, a dispersant, and a dispersion medium, wherein the conductive material comprises bundle-type carbon nanotubes having a bulk density in a range of 10-50 kg/mand a conductivity satisfying the conditions of Equation 1 below, thereby exhibiting excellent dispersibility and conductivity; and a lithium secondary battery, which is manufactured using the conductive material dispersed liquid and thus can exhibit excellent battery functions, especially, excellent output characteristics at low temperatures:−≤10 log≤−0.6  [Equation 1]


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