Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Waseda University

Seokgwang Doo

Dongmin Im

Jaeman Choi

Toshinori Sugimoto

Ryounghee Kim

Youngeal Kim

Satoshi Maruyama

Hiroyuki Nishide

Wonsung Choi

Jeongkuk Shon

Kenichi Oyaizu

Moonseok Kwon

Minsang Song

Seungsik Hwang

An anode, a lithium battery including the anode, and a method of preparing the anode. The anode includes a current collector; a first anode layer disposed on the current collector; a second anode layer disposed on the first anode layer; and an inorganic protection layer disposed on the second anode layer, wherein an oxidation/reduction potential of the first anode layer and an oxidation/reduction potential of the second anode layer are different from each other.

Anode, lithium battery including anode, and method of preparing anode

A polymer includes a repeating unit represented by at least one of Formula 1a or Formula 1b:  wherein, in Formulae 1a or 1b, CYis a group represented by at least one of Formula 1-2 or Formula 1-4, CYis a group represented by Formula 1-3, and L, L, a1, and a2 are defined the same as in the specification, and  in Formulae 1-2, Formula 1-3, or 1-4, X, Y, R, R, Rto R, b1, b2, R, R, b21, b22, Z, Z, c1, and c2 are defined the same as in the specification.

Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material

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Seoul, South Korea

Seokgwang Doo