Samsung Sdi Co., Inc.

Duckjae You

Hyunbong Choi

Myungheui Woo

Harim Lee

Hyejin Park

Wonseok Cho

Jinhyeok Lim

Taejin Lee

Pavel Shatunov

Aeran Kim

Olga Tsay

Younghye Kang

Jeongmin Shin

Minjae Kim

Hyo-Jung Song

Kyoseon Koo

Mihwa Yang

Jeunggi Moon

An electrode including a current collector; an electrode active material layer on a surface of the current collector and including internal pores; an inner coating layer filled in the internal pores of the electrode active material layer and including an adhesive material; and an outer coating layer disposed on a surface of the electrode active material layer and including an adhesive material. A total weight of the inner coating layer and the outer coating layer per area of one surface of the current collector is about 0.1 g/mto about 0.7 g/m. In addition, the electrode active material layer has a porosity of about 13% to about 16% in a cross section having a depth of about 20 μm from the surface of the electrode active material layer to the current collector.

Electrode and rechargeable lithium battery including the same

Provided are an electrolyte additive for lithium secondary batteries, an electrolyte for lithium secondary batteries including the same, and a lithium secondary battery including the electrolyte, the additive including a compound represented by Formula 1 below: In Formula 1, Rto Rare as defined in the detailed description.

Electrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery including the same, and lithium secondary battery including electrolyte

An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where Rto Rare as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.

Electrolyte additive for lithium secondary battery and lithium secondary battery including the same

An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive including a compound represented by Formulabelow:

Additive, electrolyte for lithium secondary battery and lithium secondary battery including the same

An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive comprising a compound represented by Formula 1 below:

Elecrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery, and lithium secondary battery including electrolyte

A lithium secondary battery includes: a cathode, an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1 below, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a compound represented by Formula 2, where x, y, z, M, A, L, a1, and Rto Rare defined as described in the disclosure. 

Lithium secondary battery

Disclosed herein is an additive for a lithium secondary battery, the additive including a compound represented by Formula 1. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive represented by Formula 1. A lithium secondary battery includes: a cathode; an anode; and the electrolyte including the additive represented by Formula 1. 

An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where Rto Rare as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte. 

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Yongin-si, South Korea

Duckjae You