Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Jun-hwan Ku

Seung-sik Hwang

Jae-man Choi

Jeong-kuk Shon

Min-sang Song

Moon-seok Kwon

Sang-min Ji

Dong-jin Ham

Jae-jun Chang

A negative active material including graphite; silicon nanowires; and silicon nanoparticles, wherein a silicon nanowire of the silicon nanowires and a silicon nanoparticle of the silicon nanoparticles are each disposed on a particle of the graphite to form a composite with the graphite.

Negative active material, negative electrode including the negative active material, and lithium secondary battery including the negative electrode

A stack type battery includes a stack including: a plurality of cathode sheets; a plurality of anode sheets, which are alternately disposed with the cathode sheets; and a plurality of separators, where each of the separator is disposed between a corresponding cathode sheet of the cathode sheets and a corresponding anode sheet of the anode sheets, where the stack includes first to third protrusions, the first protrusion includes a portion of the cathode sheets which does not overlap the anode sheets and the separators, and the second protrusion includes a portion of the anode sheets which does not overlap the cathode sheets and the separators.

Stack type battery

A polymer including a first repeating unit represented by Formula 1, a polymer composition for a lithium battery including the polymer, an electrode for a lithium battery including the polymer composition, and a lithium battery including the electrode: wherein, in Formula 1, R, R', A, A&#x2032;, Y, and Y&#x2032; are as defined in the specification.

Polymer composition for lithium secondary battery, electrode for lithium secondary battery including the same, and lithium secondary battery including the electrode

Growing community of inventors

Seoul, South Korea

Jun-hwan Ku