Lg Energy Solution, Ltd.

Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Minsu Kim

Kihyun Kim

Tae Young Won

Gi Dae Choi

Chang Hun Han

Soohyun Kim

Kwonnam Sohn

Hyunjoo Lee

Hyemin Lee

Suenghoon Han

Eunkyung Cho

Intae Park

Dongwook Lee

Seungbo Yang

Jaegil Lee

Changmin Han

Eon Seok Lee

Kwangin Shin

Joung-Ho Kim

Dongseok Shin

Junwye Lee

HyunWook Park

Dong Hyeop Han

Eui Tae Kim

Jonghwan Kim

Jungmin Sohn

Jangsoo Lee

Brent ByungHoon Kang

Wonjae Lee

Kyungsik Hong

Myeongseong Kim

Hojoon Lee

ChangHun Yun

Jinhee Lee

Myeongjun Song

Daehee Jang

Jihye Ryu

Yongjin Choe

Daegyeong Kim

Seonghyo Park

Boogyo Sim

Keeyoung Son

Subin Kim

Shinyoung Park

Seungtaek Jeong

Gapyeol Park

Taein Shin

Dongsu Song

Seongguk Kim

Daesung Kim

Kyungjune Son

Youngjoo Kim

Hyejung Kim

Yeonha Cho

Kyunghwa Ha

A polymerization reactor for production of a super absorbent polymer according to the present disclosure includes: a composition supply part for supplying a monomer composition solution; a central pipe connected to the composition supply part; a composition distribution part including a water storage tank located at a discharge port of the central pipe; a distribution pipe connected to the water storage tank; and an ultrasonic device installed inside the water storage tank, a conveyor belt located under the composition distribution part and on which the composition solution is dropped, and an energy supply part for supplying polymerization energy to the composition solution on the conveyor belt, wherein the ultrasonic device supplies bubbles to the composition solution flowing into the water storage tank.

Polymerization reactor for production of super absorbent polymer

According to the method for preparation of a super absorbent polymer according to the present disclosure, fine particles present in the prepared super absorbent polymer are removed, thereby solving a dispersion problem of the fine particles and a problem of reduction in the physical properties of the super absorbent polymer.

Method for preparation of super absorbent polymer

An apparatus for manufacturing a positive electrode film and a manufacturing method using the same are provided. The apparatus includes a feeding part supplying a positive electrode material in a powder state to an upper surface of a mold conveyed by conveying means, a flattening part flattening the positive electrode material in a powder state supplied to the upper surface of the mold, a forming part applying pressure from an upper direction to the positive electrode material that has passed through the flattening part; and a conveying part comprising the conveying means sequentially conveying the mold to the feeding part, the flattening part, and the forming part.

Apparatus for manufacturing positive electrode film, manufacturing method using same, and positive electrode film manufactured using same

In order to solve the problems caused by lithium polysulfide leaching from the positive electrode, disclosed is a catalytic site-introduced functional separator, a method of manufacturing the same, and a lithium secondary battery including the same, which can improve the capacity and lifetime of the battery by coating a material, which can act as a reduction catalyst for lithium polysulfide, on the surface of the separator. The catalytic site-introduced functional separator includes a base separator and a catalytic site-containing coating layer located on the surface of the base separator.

Functional separator having catalytic sites introduced thereinto, manufacturing method therefor, and lithium secondary battery comprising same

Discussed is sulfur-carbon composite including a porous carbon material; and sulfur, wherein the sulfur is present in at least a part of an inside of the porous carbon material and on a surface of the porous carbon material, a preparation method thereof, a positive electrode for a lithium secondary battery including the same, and a lithium secondary battery.

Sulfur-carbon composite, preparation method thereof, positive electrode for lithium secondary battery and lithium secondary battery comprising same

The present invention relates to a lithium-sulfur secondary battery, and in particular, to a lithium-sulfur secondary battery capable of obtaining high energy density compared to conventional lithium-sulfur batteries by a positive electrode comprising a sulfur-carbon composite including a catalytic site-introduced porous carbon material, and specifying conditions of the positive electrode and an electrolyte liquid.

Lithium-sulfur secondary battery

Disclosed is a lithium secondary battery, and in particular, to a lithium secondary battery capable of obtaining higher energy density and longer lifetime compared to existing lithium secondary batteries by specifying conditions of a positive electrode and an electrolyte liquid and additionally surface modifying a carbon material through heat treatment or including a separator including a molybdenum disulfide coating layer.

Lithium secondary battery

Provided is a thermoplastic resin composition, including (a) 100 parts by weight of a thermoplastic resin including 80-100% by weight of a base resin and 0-20% by weight of a reinforcing resin; (b) 2-60 parts by weight of linear carbon fibers having an average diameter of 1-15 μm; (c) 1-5 parts by weight of carbon nanofibrils having a BET specific surface area of 200-400 m/g; (d) 1-15 parts by weight of carbon nanoplates; and (e) 1-25 parts by weight of metal powder, a method of preparing the thermoplastic resin composition, and an injection-molded article manufactured using the thermoplastic resin composition. The thermoplastic resin composition has excellent mechanical properties, e.g., impact strength, and also excellent conductivity, heat resistance, and electromagnetic wave shielding capacity, particularly high shielding efficiency against high-frequency electromagnetic waves, and thus can be used as automobile, electric, and electronic parts, and as a substitute for aluminum alloys and magnesium alloys.

Thermoplastic resin composition having excellent heat resistance and electromagnetic wave shielding capacity, method of preparing thermoplastic resin composition, and injection-molded article manufactured using thermoplastic resin composition

A semiconductor package includes an interposer, an electronic device having a first side surface and a second side surface opposite to the first side surface, and including a plurality of memory dies stacked in a vertical direction, at least one first through pipe passing through the electronic device in the vertical direction adjacent to the first side surface, and moving a cooling liquid therein, and a plurality of thermal transmission lines extending in a horizontal direction inside the memory die, and extending in parallel from the first through pipe toward the second side surface.

Semiconductor package including embedded cooling structure

In order to solve the problem caused by leaching of lithium polysulfide, disclosed is a functional separator, a method of manufacturing the same, and a lithium secondary battery including the same, which can improve the capacity and life of the battery by coating a material capable of reducing lithium polysulfide on the separator surface. The functional separator includes a base separator; and a redox active polymer-conductive carbon composite layer on a surface of the base separator.

Functional separator, method for manufacturing the same, and lithium secondary battery comprising the same

The present invention relates to a conductive concentrated resin composition including (a) 100 parts by weight of a base resin including 50 to 95% by weight of a polyamide resin, 2.5 to 20% by weight of a polar polymer, and 2.5 to 30% by weight of a non-polar polymer, (b) 10 to parts by weight of a carbon nanofibril, (c) 0.5 to 5 parts by weight of a carbon nanoplate, and (d) 0.5 to 4 parts by weight of nanoclay; a conductive polyamide resin composition including the conductive concentrated resin composition; a method of preparing the conductive concentrated resin composition; and a molded article including the conductive polyamide resin composition. When a polyamide alloy resin composition is prepared using the conductive concentrated resin composition of the present invention, compatibility between compositions and dispersion stability may be improved, thereby significantly increasing moisture stability while maintaining mechanical strength, conductivity, heat resistance, and appearance properties equal or superior to those of a conventional conductive polyamide alloy resin composition.

Conductive concentrated resin composition, conductive polyamide resin composition comprising conductive concentrated resin composition, method of preparing same and molded article

A lithium secondary battery is provided and, more specifically, a lithium secondary battery comprising a cathode catalyst including a transition metal composite having a stable structure in which four nitrogens are bonded to the transition metal as a cathode catalyst for a reduction reaction of sulfur generated during operation of the lithium secondary battery having a sulfur-containing material included in a cathode thereof, thereby improving performance and longevity of the battery.

A memory alignment randomization method of a memory heap exploit is provided, memory alignment of objects inside a heap area is randomly performed to mitigate the exploits of the vulnerability of the software memory heap area The heap exploit is powerfully mitigated by aligning randomly obtained memory addresses instead of aligning memory addresses at multiples of 4 or 8 when the memory alignment for the objects inside the heap area.

Memory alignment randomization method for mitigation of heap exploit

The present disclosure relates to a catalyst used in the preparation of acrylic acid and acrylic acid preparation method using the same, and more specifically, discloses a catalyst capable of enhancing selectivity of acrylic acid and a production yield of acrylic acid when preparing acrylic acid from allyl alcohol using a heterogeneous catalyst including bimetallic alloy catalyst particles of gold and another metal, and an acrylic acid preparation method using the same.

Heterogeneous catalyst for preparing acrylic acid, and acrylic acid preparation method using same

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Daejeon, South Korea

Minsu Kim