Samsung Electronics Co., Ltd.

Seoul Pharma Co., Ltd.

Yong Hee Cho

Ye Liu

Xiangrong Zhang

Woo Jung Moon

Jae-young Choi

Jongmin Lee

Hyun Soo Kim

Doh Won Jung

Se Yun Kim

Yoon Chul Son

Sung Woo Hwang

Kyoung-Seok Moon

Yun Sung Woo

Eun Seog Cho

Kimoon Lee

Changhoon Jung

Hee Jung Park

Seong Woon Booh

Sang iL Kim

Jin Hee Um

Jae-Young Choi

Won Young Jang

Jung Hoon Kim

Dong Woon Choe

Electronic device

Head-mounted display

A battery assembly including: at least one rechargeable lithium battery including a negative electrode including a silicon-containing negative active material selected from silicon, a silicon-carbon composite, and a combination thereof, and a positive electrode including a positive active material; a circuit board electrically connected to the battery assembly; and an outer terminal electrically connecting the battery assembly to an outer power or an outer load, wherein the circuit board includes a charge/discharge element for charging and discharging the battery assembly and a charge/discharge controller electrically connected to the battery assembly and the charge/discharge element, wherein the charge/discharge controller controls the charge and discharge of the battery assembly, and wherein a discharge cut-off voltage of the charge/discharge controller is predetermined as a voltage when LiSi present in the negative electrode during the discharge has an x value of less than or equal to about 1.25.

Battery pack and method of controlling charging and discharging of the battery pack

An electrically conductive thin film including a plurality of nanosheets including a doped titanium oxide represented by Chemical Formula 1 and having a layered crystal structure:(ATi)O&#x2003;&#x2003;Chemical Formula 1wherein, in Chemical Formula 1, &#x3b4; is greater than 0, A is at least one dopant metal selected from Nb, Ta, V, W, Cr, and Mo, and &#x3b1; is greater than 0 and less than 1. Also, an electronic device including the electrically conductive thin film.

Electrically conductive thin films

Growing community of inventors

Seoul, South Korea

Yong Hee Cho