Kt&g Corporation

Sk on Co., Ltd.

Sk Innovation Co., Ltd.

Kolon Industries, Inc.

Lg Energy Solution, Ltd.

Kt&g Coroporation

Soo Ho Kim

Jong Yeol Kim

Min Gu Kang

Yong Hyun Cho

Young Hoon Do

Jin Chul Yang

Bong Su Cheong

Ki Jin Ahn

Sung Jong Ki

Sang Mok Lee

Woo Chul Kim

Hyun Suk Cho

Man Seok Seo

Sang Woo Jin

Jong Cheol Jeong

Sang Yoel Lee

Chang Jin Park

Min Suk Kang

Tae Hoon Kim

Jae Phil Cho

Hae Suk Hwang

Won Ho Kim

Han Joo Chung

Jae Gon Lee

Young Rim Han

Yong Sook Jin

Burm Ho Yang

In Hyeog Oh

Hangjune Choi

Sung Gyu Hwang

Yong Kwan Cho

Youn Keun Oh

Moon Soo Yoon

Hyeon Tae Kim

Min Ki Jo

Min Hee Hwang

Kyengbae Ma

Ki-Jin Ahn

Woon Hyung Yeo

Eui Ii Hwang

Jin Won Park

Yong Joo Sung

Moon Soo Rhee

Chung Ryul Kim

Jae Jin Kwag

Moon Yong Lee

A battery module according to one embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked, a bus bar frame connected to the battery cell stack, an electrode lead protruding from the battery cell stack and passing through a lead slot of the bus bar frame, and a bus bar electrically connected to the electrode lead, wherein the bus bar frame includes a base bottom portion and a first rib portion protruding from the base bottom portion, and wherein the first rib portion supports the bus bar.

Battery module and battery pack including the same

A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer including a first cathode active material layer and a second cathode active material layer sequentially stacked on the cathode current collector. The first cathode active material layer includes a first cathode active material particle having a secondary particle structure, and the second cathode active material layer includes a second cathode active material particle having a single particle shape. An adhesive force of the first cathode active material layer to a surface of the cathode current collector is greater than an adhesive force of the second cathode active material layer to a surface of the first cathode active material layer.

Cathode for lithium secondary battery and lithium secondary battery including the same

A lithium secondary battery includes a cathode including a cathode current collector, and a first cathode active material layer and a second cathode active material layer sequentially formed on the cathode current collector, an anode, and a separation layer interposed between the cathode and the anode. The first cathode active material layer and the second cathode active material layer include a first cathode active material particle and a second cathode active material particle, respectively, which have different compositions or crystalline structures from each other, and the first cathode active material particle and the second cathode active material particle include lithium metal oxides containing nickel. The second cathode active material particle has a single particle structure.

Lithium secondary battery

Provided herein is a smoking article from which sound is generated. The smoking article according to some embodiments of the present disclosure may include a filter portion and a smoking material portion, and a sound-generating material including a carbohydrate material may be added to the smoking material portion. The sound-generating material may generate sound as the material burns, and the sound may further provide an auditory effect during smoking. In this way, an improved smoking experience may be provided to the smoker.

Smoking article from which sound is generated

Provided are an external heating-type aerosol generating device and a cigarette used therein. Because heat energy is easily transferred to the cigarette, a sufficient amount of smoke may be provided to a user in initial puffs so that the user may have a satisfactory smoking experience.

External heating-type aerosol generating device and cigarette used therein

A cigarette filter comprises a first filter portion comprising an irregularly folded and packed polymer sheet, and a first cigarette filter wrapping paper surrounding the polymer sheet, wherein the polymer sheet comprises a first polymer layer containing polyolefin or polyester and a second polymer layer positioned on the first polymer layer and containing polyolefin.

Smoke component-reducing cigarette filter, cigarette, and manufacturing method therefor

A method of manufacturing a wrapper for a non-combustion-type cigarette used in an aerosol generating device, according to an embodiment, includes manufacturing a reconstituted tobacco sheet by mixing a tobacco material and first pulp, and manufacturing a wrapper by mixing the reconstituted tobacco sheet and second pulp. A wrapper for a non-combustion-type cigarette used in an aerosol generating device has a tensile strength of 3.0 kgf/15 mm or greater, and includes at least one of cigar leaf powder, cigar leaf pieces, and cigar leaves.

Wrapper for non-combustible cigarette and method for manufacturing same

The present disclosure provides an externally heated aerosol generation device and a cigarette that may provide a sufficient amount of atomization to allow a user to have a satisfactory smoking experience even during an initial puff because thermal energy is easily transferred to the cigarette.

Externally heated aerosol generation device and cigarette used in aerosol generation device

A cigarette for an aerosol generating device includes a tobacco rod including an aerosol generating substrate wrapped with a wrapper and a filter through which an aerosol generated from the aerosol generating substrate passes. The filter comprises cellulose acetate tow having a total denier of a preset value.

Cigarette for aerosol generating device and aerosol generating device using cigarette

An aerosol-generating article according to an embodiment may include a medium portion, a front end plug disposed to face an upstream end of the medium portion, and a filter portion disposed to face a downstream end of the medium portion, wherein the front end plug includes a channel extending from the upstream end to the downstream end.

Aerosol generating article and aerosol generating system

A lithium secondary battery comprises a cathode, an anode, a separator and a nonaqueous electrolyte solution. The cathode includes a first cathode active material in which at least one of metals included in the first cathode material has a concentration gradient region between a central portion and a surface portion, and a second cathode active material having a single particle structure. The lithium secondary battery has improved life-span and penetration stability.

According to embodiments of the present invention, there is provided a tube filter production device including a tube filter exterior forming case into which one or more filter tows are introduced and from which a tubular rod formed from the one or more filter tows is discharged, a tube filter forming bar extending in an inner region of the tube filter exterior forming case in order to form a hollow of the tubular rod, and a steam chamber having at least one steam nozzle in communication with the inner region of the tube filter exterior forming case and configured to supply steam to the one or more filter tows through the steam nozzle, wherein the tube filter forming bar has a duct extending in a longitudinal direction of the tube filter forming bar and a flavoring nozzle formed in a downstream end region of the tube filter forming bar to deliver a flavoring liquid or a moisturizing liquid supplied through the duct to the hollow of the tubular rod.

Tube filter production device and tube filter production method

A cathode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium composite oxide particle that contains lithium and transition metals including an excess amount of nickel. The lithium composite oxide particle satisfies a predetermined XRD peak area relation. A lithium secondary battery using the cathode active material and providing improved stability and durability is provided.

Cathode active material for lithium secondary battery and lithium secondary battery including the same

A lithium secondary battery includes a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separation layer interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide in which at least one metal forms a concentration gradient. The second cathode active material particle includes primary particles having different shapes or crystalline structures from each other.

Growing community of inventors

Daejeon, South Korea

Soo Ho Kim