Samsung Sdi Co., Inc.

Inho Jung

Joo Han Song

Jake Kim

Jeongsoon Shin

Kyeong-Beom Cheong

Jongman Kim

Cheol Ho Park

Wonseok Kim

Seung Bum Suh

Hoyul Baek

Su Dong Lee

Jang-Woo Lee

Younghwa Ko

Heekwan Chai

Yongsic Kim

Kwangki Baeg

Bounggun Joung

Seung Ho Yang

Hogon You

Sejong Shin

Rizhu Yin

Ochang Gwon

Taekyeong Lee

Wonseock Kim

Boung Gun Joung

Disclosed is a lithium battery comprising: a cathode; an anode including a passivation film; and an electrolyte interposed between the cathode and the anode, wherein the passivation film includes 0.5 wt % or more and less than 5 wt % of sulfur (S), and the passivation film has a heating value of 50 J/g or less when a nail penetrates the passivation film. The lithium battery has improved penetration characteristics.

Lithium battery with improved penetration characteristics and manufacturing method therefor

Embodiments of the present invention provide an accelerated lifetime estimation device for predicting the lifetime of a secondary battery, and a method thereof. The accelerated lifetime estimation device can accurately estimate a normal lifetime of the secondary battery while reducing an evaluation time period of the secondary battery.

Device for estimating a lifetime of a secondary battery and method thereof

Growing community of inventors

Yongin-si, South Korea

Inho Jung