Samsung Sdi Co., Inc.

Eungyeong Lee

Hyungbae Kim

Jonghwan Park

Jaegu Yoon

Byeonggyu Cho

Younggyoon Ryu

Bokkyu Choi

Joowook Lee

Jinhyuk In

Young Gyoon Ryu

An electrode structure, a bipolar all-solid secondary battery including the same, and a method of manufacturing the electrode structure are provided. The electrode structure includes: a current collector having a first surface and a second surface, wherein the first surface includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion, the first portion and the second portion are arranged toward the outside in opposite directions to each other around the intermediate portion, and the second surface has an inward-folded structure; a cathode active material layer formed on the first portion of the first surface; an anode active material layer formed on the second portion of the first surface; and a compression pad arranged inside the inward-folded structure of the current collector.

Electrode structure, bipolar all-solid secondary battery including the same, and method of manufacturing electrode structure

Provided are a separator having high heat resistance, a manufacturing method thereof and a secondary battery including the separator, which provides excellent dispersibility and reduced thermal shrinkage. The separator includes separator includes a porous base layer, and a coating layer formed on at least one surface of the base layer, wherein the coating layer includes inorganic particles and a binder, and the binder includes one selected from the group consisting of polyacrylic acid (PAA), polyacrylate or a mixture of polyacrylic acid (PAA) and polyacrylate, having a molecular weight of 100,000 to 1,000,000, as a first binder.

Separator having high heat resistance, manufacturing method thereof and secondary battery including the separator

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Yongin-si, South Korea

Eungyeong Lee