Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Sangkook Mah

Inhyuk Son

Sungsoo Han

Junghyun Choi

Mijong Kim

Jongseok Moon

Soojin Kim

Minwoo Lim

Jumyeung Lee

Dukhyoung Yoon

Andrei Kapylou

Seunguk Kwon

Kyueun Shim

Jeeeun Yang

Woojin Bae

Sungnim Jo

Gyusung Kim

JungHyun Choi

A positive electrode, a lithium battery including the positive electrode, and a method of manufacturing the positive electrode are disclosed. The positive electrode includes: a composite positive active material and a binder. The composite positive active material includes: a core including a lithium transition metal oxide; and a shell on and conformed to a surface of the core. The shell includes: at least one first metal oxide represented by Formula MO; and a carbonaceous material. The at least one first metal oxide may be in a carbonaceous material matrix, and M is at least one metal selected from Groups 2 to 13 and 15 and 16. The positive active material layer includes a carbonaceous conductive agent, and the carbonaceous conductive agent is present only in the shell.

Positive electrode, lithium battery including positive electrode, and method of manufacturing positive electrode

A porous silicon-containing composite includes: a porous core including a porous silicon composite secondary particle; and a shell on at least one surface of the porous core, the shell including a first graphene, wherein the porous silicon composite secondary particle includes an aggregate of a first primary particle including silicon, a second primary particle including a structure and second graphene on at least one surface of the first primary particle and the second primary particle, and wherein at least one of a shape and a degree of oxidation of the first primary particle and the second primary particle are different. Also an electrode including the porous silicon-containing composite, a lithium battery including the electrode, and a device including the porous silicon-containing composite or the carbon composite.

Porous silicon-containing composite, carbon composite using the same, and electrode, lithium battery and electronic device each including the same

An electrode composite conducting agent for a lithium battery includes a carbonaceous conductive material, and the graphene-silica composite, wherein the graphene-silica composite includes a matrix including graphene, and a silicon suboxide of the formula SiOwherein 0&#x3c;x&#x3c;2, or a combination of silicon dioxide and silicon suboxide of the formula SiOwherein 0&#x3c;x&#x3c;2, or a combination thereof, wherein an amount of the graphene-silica composite is 20 parts by weight or less, based on 100 parts by weight of a total weight of the composite conducting agent. Also an electrode for a lithium battery including the electrode composite conducting agent, a method of manufacturing the electrode, and a lithium battery including the electrode.

Electrode composite conducting agent for lithium battery, electrode for lithium battery, method of manufacturing the same, and lithium battery including the electrode

A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.

Binder, method of preparing the binder, and anode and lithium battery including the binder

A composite anode active material includes: a core comprising silicon; and a carbonaceous shell, wherein the carbonaceous shell includes a carbonaceous material and lithium titanium oxide.

Composite anode active material, anode including the same, and lithium secondary battery including the anode

A composite anode active material includes a first core member including a silicon-containing material; a second core member including at least one selected from metal nitride and metal carbide; and a coating layer on at least one of the first core member and the second core member. The coating layer contains metal silicide.

Composite anode active material, preparing method thereof, anode including the composite anode active material, and lithium secondary battery including the anode

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Seoul, South Korea

Sangkook Mah