GRAPHITE SECONDARY PARTICLE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Title:

GRAPHITE SECONDARY PARTICLE, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2016/018023

Kind Code:

A1

Abstract:

The present invention relates to a graphite secondary particle, an anode using the same as an anode active material, and a lithium secondary battery comprising the anode, the graphite secondary particle being able to be densified by having excellent rolling properties due to comprising a high-capacity natural graphite primary particle having excellent output characteristics aggregated, combined or assembled with an artificial graphite primary particle having excellent cycle characteristics and swelling characteristics. A lithium secondary battery comprising the graphite secondary particle according to the present invention as an anode active material has an effect of improving high-rate charging and discharging characteristics, cycle characteristics and swelling characteristics.

Inventors:

SONG JUN HYUK (KR)
KIM EUN KYUNG (KR)
JUNG DONG SUB (KR)
WOO SANG WOOK (KR)
KIM YE RI (KR)
CHUNG JU HO (KR)

Application Number:

PCT/KR2015/007820

Publication Date:

February 04, 2016

Filing Date:

July 27, 2015

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M4/587; C01B31/04; H01M4/133; H01M10/052

Foreign References:

US20120074610A1	2012-03-29
KR20010072967A	2001-07-31
KR20070040853A	2007-04-17
KR101249349B1	2013-04-01
KR20100072160A	2010-06-30

Other References: