Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Dongjin Ham

Jaeman Choi

Minsang Song

Seungsik Hwang

Jinhwan Park

Jaejun Chang

Jayhyok Song

Kwangjin Park

Donghee Yeon

Byungjin Choi

Jeongkuk Shon

Sangmin Ji

Moonseok Kwon

Jaegu Yoon

Jinsu Ha

Dongmin Im

Hyun Chul Lee

Hyukjae Kwon

Sukgi Hong

Victor Roev

Byongyong Yu

Andrei Kapylou

Mijong Kim

Sungjin Ahn

Dongwook Shin

Youhwan Son

Younhee Lim

San Moon

Soonchul Kwon

Daechul Yoo

An air purification module which purifies introduced unpurified air and discharge purified air, includes a first filter supporter extending in a first direction and having a penetrating shape including a first hollow region, a first filter which is supported by the first filter supporter and penetrates a side portion of the first filter supporter, a second filter supporter extending in the first direction, having a penetrating shape including a second hollow region, and disposed in the first hollow region, a second filter which is supported by the second filter supporter and penetrates a side portion of the second filter supporter, and a light source module disposed in the second hollow region.

Air purification module and air purification system including the same

A cell structure for a secondary battery includes an electrode assembly including a plurality of electrodes, a plurality of electrode tabs extending from the electrodes to an outside of the electrode assembly, and a plurality of lead tabs electrically connected to the electrode tabs and contacting the electrode assembly. In the cell structure, a part of each of the lead tabs is folded, and the electrode tabs are inserted into the folded part of each of the lead tabs.

Cell structure for secondary battery and secondary battery having the cell structure

A composite cathode active material includes a secondary particle; and a coating on a surface of the secondary particle, wherein the secondary particle comprises a plurality of primary particles, and the plurality of primary particles include a lithium nickel transition metal oxide having a layered crystal structure; and a grain boundary between primary particles of the plurality of primary particles, the grain boundary including a lithium metal oxide having a crystal structure different from the lithium nickel transition metal oxide having a layered crystal structure, wherein the coating on the surface of the secondary particle includes a metal oxide including cobalt, and a Group 2 element, a Group 12 element, a Group 13 element, or a combination thereof.

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

An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.

Electrode active material, lithium secondary battery containing the electrode active material, and method of preparing the electrode active material

A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

Cathode active material, secondary battery comprising the same, and method of manufacturing the positive active material

A cathode active material includes a secondary particle including an aggregate of a plurality of primary particles, wherein the secondary particle includes a nickel-containing lithium transition metal oxide having a layered crystal structure, wherein the plurality of primary particles includes a first primary particle having a size greater than about 400 nanometers, a second primary particle having a size less than about 150 nanometers, and a third primary particle having a size of about 150 nanometers to about 400 nanometers, wherein the third primary particle has a area of greater than or equal to about 80% of a total area of the plurality of primary particles, and wherein the secondary particle has a porosity of less than or equal to about 10% of a total area of the cathode active material.

Cathode active material precursor, cathode active material formed therefrom, method of preparing the cathode active material, and cathode and lithium battery each including the cathode active material

An electrode stack structure including a plurality of stacked electrode layers including electrode layers having multiple tabs, wherein the multiple tabs include a first tab connected to a first lead; and a second tab that is spaced apart from the first tab, and wherein second tabs of electrode layers having a same polarity are electrically connected to each other.

Electrode stack structure and battery having electrode stack structure

Disclosed is an electrode active material including nanostructures including boron-doped alumina. An electrode including the nanostructures, an energy storage device including the electrode, and a method of preparing the electrode active material are also disclosed.

Electrode active material, electrode and energy storage device including the same, and method of preparing the electrode active material

A composite for a lithium air battery, wherein the composite is represented by Formula 1:MCN&#x2003;&#x2003;Formula 1

Composite for lithium air battery, method of preparing the composite, and lithium air battery employing positive electrode including the composite

Growing community of inventors

Hwaseong-si, South Korea

Dongjin Ham