Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Changhoon Jung

Hyunseok Kim

Byungjin Choi

Heechul Jung

Kwangjin Park

Kihong Kim

Kyoungmin Min

Changseok Lee

Minsu Seol

Dongyoung Kim

Jusik Kim

Jinhwan Park

Victor Roev

Seyun Kim

Myungjin Lee

Ryounghee Kim

Dongsu Ko

SeWon Kim

Yoonsok Kang

Hyeokjo Gwon

Hyangsook Lee

Kanghee Lee

Sungkyun Jung

Byoungsun Lee

Eun Seog Cho

Dongjin Yun

Gahee Kim

Woosung Jeon

Yong Hee Cho

Intaek Han

Jaeduck Jang

Seong Woon Booh

Soohwan Sul

Seongheon Kim

Euiseong Moon

Sewon Kim

An all-solid secondary battery includes a cathode layer including a cathode active material layer; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer includes an anode current collector and a first anode active material layer is disposed on the anode current collector, wherein the first anode active material layer includes an organic electrolyte and an anode active material that is capable of forming an alloy with lithium or a compound with lithium, and wherein the organic electrolyte includes an organic salt including an organic cation and an anion.

All-solid secondary battery and method of preparing the same

A composite cathode active material and a cathode and a lithium battery including the composite cathode active material. The composite cathode active material has a core including a plurality of primary particles including a nickel-containing first lithium transition metal oxide having a layered crystal structure; a grain boundary disposed between adjacent primary particles of the plurality of primary particles; and a shell on the core, the shell including a second lithium transition metal oxide having a spinel crystal structure, wherein the grain boundary includes a first composition having a spinel crystal structure.

Composite cathode active material, cathode and lithium battery including the same, and method of preparing the composite cathode active material

Provided are a conductive composite structure for an electronic device, a method of preparing the conductive composite structure, an electrode for an electronic device including the conductive composite structure, and an electronic device including the conductive composite structure. The conductive composite structure may contain graphene and an organic composite layer including a conductive polymer having a work function of about 5.3 eV or lower, and has a sheet resistance deviation of about 10% or less.

Conductive composite structure for electronic device, method of preparing the same, electrode for electronic device including the conductive composite structure, and electronic device including the conductive composite structure

Provided are a module for real-time thermal behavior analysis of a secondary cell battery and a method of operating the module. The module includes a region for mounting a sample battery, a region for mounting a reference battery, and a housing covering the two regions and having an adiabatic characteristic. The region for mounting the sample battery is defined by two partitions facing each other. In addition, the region for mounting the reference battery is defined by two partitions facing each other. The region for mounting the sample battery is a region for vertically or horizontally mounting the sample battery. The region for mounting the reference battery is a region for vertically or horizontally mounting the reference battery.

Module for real-time thermal behavior analysis of secondary cell battery and method of operating the same

An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap.

Coin cell battery analyzed with in-situ X-ray analysis, method of manufacturing the same, and method of analyzing the same using X-ray

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

A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.

Composite negative active material and method of preparing the same, negative electrode including composite negative active material, and lithium secondary battery including negative electrode

An in-situ coin cell includes a case, a cap coupled to the case, and an energy storage member disposed between the case and the cap, where a through hole is defined in at least one of the case and the cap, the energy storage member includes a current collector adjacent to the through hole, and another through hole is defined in the current collector. The in-situ coin cell may further include a transparent window between the current collector and at least one of the through holes.

In-situ coin cell for real time analysis, measuring system including the same, method of manufacturing in-situ coin cell and method of measuring in-situ coin cell using light

Growing community of inventors

Seoul, South Korea

Changhoon Jung