Lg Chem, Ltd

Ulsan National Institute of Science and Technology

Postech Academy-Industry Foundation

Unist-Academy Industry Research Corporation

Soo Jin Park

Yong Ju Lee

Je Young Kim

Jae Phil Cho

Hye Ran Jung

Jung In Lee

Dong Sub Jung

Mi Rim Lee

Yoon Ah Kang

Woo Jin Song

Jun Hyuk Song

So Hyeon Bae

Un Yong Jeong

Provided are an electrode capable of maintaining electrical conductivity during elongation and shrinkage, a method for manufacturing the same, and electrochemical device including the same.

Electrode for electrochemical device, method for manufacturing the same, and electrochemical device including the same

Provided are an electrode active material having a plurality of pores and a secondary battery including the same, and more particularly, a porous electrode active material including silicon-based oxide expressed by SiO(0.5&#x2266;x&#x2266;1.2) and having a Brunauer, Emmett, and Teller (BET) specific surface area ranging from 2 m/g to 100 m/g, and a secondary battery including a cathode including a cathode active material, a separator, an anode including an anode active material, and an electrolyte, in which the anode active material includes a porous electrode active material including silicon-based oxide expressed by SiO(0.5&#x2266;x&#x2266;1.2) and having a BET specific surface area ranging from 2 m/g to 100 m/g.

Porous electrode active material and secondary battery including the same

Disclosed herein is a silicon-based anode active material, comprising a silicon phase, a SiO(0&#x3c;x&#x3c;2) phase and a carbon dioxide phase. Also disclosed is a secondary battery, which comprises a cathode comprising a cathode active material, an anode active material comprising an anode active material, and a separator, wherein the anode active material comprises a silicon phase, an SiO(0&#x3c;x&#x3c;2) phase and a silicon dioxide phase.

Silicon-based anode active material and secondary battery comprising the same

Disclosed herein is a porous silicon-based electrode active material, comprising a silicon phase, a SiO(0&#x3c;x&#x3c;2) phase and a silicon dioxide phase and having a porosity of 7-71%.

Porous silicon-based electrode active material and secondary battery comprising the same

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Ulsan, South Korea

Soo Jin Park