Lithium ion secondary battery

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United States of America Patent

PATENT NO 10170760
APP PUB NO 20160141618A1
SERIAL NO

14941118

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Abstract

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The present invention relates to a secondary battery, specifically, a secondary battery having excellent stability and improved output characteristic and low temperature characteristic by including a cathode active material in which at least one of metals forming the cathode active material has a concentration gradient in an entire region from a central portion up to a surface portion; and a conductive material mixture in which carbon nanotube is mixed with carbon black at an appropriate ratio, the carbon black being a spherical nanoparticle.

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Patent Owner(s)

  • SK INNOVATION CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Han, Kook-Hyun Daejeon, KR 13 34
Hwang, Duck-Chul Gyeonggi-do, KR 53 883
Lim, Jin-Sub Daejeon, KR 6 18

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