Lg Chem, Ltd

Electronics and Telecommunications Research Institute

Seung-Tae Hong

Tae-Hoon Kim

Cheol-Hee Park

Won-Jong Kwon

Se-Hui Sohn

YoungHwa Jung

Je Young Kim

Sung-Kyun Chang

YoHan Kwon

Soojin Kim

Yong Tae Lee

Hyung-Jin Kim

Ho-Chun Lee

Duk-Hyun Ryu

Young Sun Choi

Youngsun Choi

SungJin Kim

Hyung-Keun Lee

Young-Joo Kim

Eun-Young Goh

Jeong-Si Kim

ByungHun Oh

Jin-Ho Seol

Hyoung-Jin Kim

Yun-Ho Roh

Eung-Je Lee

Jin-Hee Yeon

Disclosed herein are a convolutional layer acceleration unit, an embedded system having the convolutional layer acceleration unit, and a method for operating the embedded system. The method for operating an embedded system, the embedded system performing an accelerated processing capability programmed using a Lightweight Intelligent Software Framework (LISF), includes initializing and configuring, by a parallelization managing function entity (FE), entities present in resources for performing mathematical operations in parallel, and processing in parallel, by an acceleration managing FE, the mathematical operations using the configured entities.

Convolutional layer acceleration unit, embedded system having the same, and method for operating the embedded system

Disclosed herein are an apparatus and method for adaptively accelerating a BLAS operation based on a GPU. The apparatus for adaptively accelerating a BLAS operation based on a GPU includes a BLAS operation acceleration unit for setting optimal OpenCL parameters using machine-learning data attribute information and OpenCL device information and for creating a kernel in a binary format by compiling kernel source code; an OpenCL execution unit for creating an OpenCL buffer for a BLAS operation using information about an OpenCL execution environment and the optimal OpenCL parameters and for accelerating machine learning in an embedded system in such a way that a GPU that is capable of accessing the created OpenCL buffer performs the BLAS operation using the kernel, and an accelerator application unit for returning the result of the BLAS operation to a machine-learning algorithm.

GPU-based adaptive BLAS operation acceleration apparatus and method thereof

Disclosed are an electrode active material for lithium secondary batteries, comprising at least one selected from compounds represented by the following formula 1, and a lithium secondary battery comprising the same.LiMoMOA&#x2003;&#x2003;(1)

Electrode active material and lithium secondary battery comprising the same

Thermoelectric conversion materials, expressed by the following formula: BiMCuOQ1TeQ2. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0&#x2266;x&#x3c;1, 0&#x3c;w&#x3c;1, 0.2&#x3c;a&#x3c;4, 0&#x2266;y&#x3c;4, 0.2&#x3c;b&#x3c;4, 0&#x2266;z&#x3c;4 and x+y+z&#x3e;0. These thermoelectric conversion materials may be used for thermoelectric conversion elements, where they may replace thermoelectric conversion materials in common use, or be used along with thermoelectric conversion materials in common use.

Thermoelectric conversion material and producing method thereof, and thermoelectric conversion element using the same

Disclosed herein is an integrated electrode assembly including a cathode, an anode, and a separation layer integrated between the cathode and the anode. The separation layer includes 3 phases including a liquid-phase component containing an ionic salt, which partially flows from the separation layer into the cathode and the anode during preparation of the integrated electrode assembly to increase ionic conductivity of the cathode and the anode, a solid-phase component supporting the separation layer between the cathode and the anode, and a polymer matrix having affinity for the liquid-phase component and providing binding force with the cathode and the anode.

Unification-typed electrode assembly and secondary battery using the same

Compound semiconductors, expressed by the following formula: BiMCuOQ1TeQ2. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Eu, Sm, Mn, Ga, In, Tl, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0&#x2266;x&#x3c;1, 0&#x3c;w&#x2266;1, 0.2&#x3c;a&#x3c;4, 0&#x2266;y&#x3c;4, 0.2&#x3c;b&#x3c;4 and 0&#x2266;z&#x3c;4. These compound semiconductors may be used for various applications such as solar cells or thermoelectric conversion elements, where they may replace compound semiconductors in common use, or be used along with compound semiconductors in common use.

Disclosed is a polymer electrolyte having a multilayer structure including a first polymer layer providing mechanical strength against external force and a second polymer layer to secure a conduction path for lithium ions, wherein the first polymer layer includes an organic electrolyte containing an ionic salt in an amount of 0 wt % to 60 wt % based on a weight of a polymer matrix of the first polymer layer and the second polymer layer includes an organic electrolyte containing an ionic salt in an amount of 60 wt % to 400 wt % based on a weight of a polymer matrix of the second polymer layer, and a lithium secondary battery including the same.

Polymer electrolyte and lithium secondary battery including the same

Disclosed is a current collector prepared by coating a primer on a metallic base and a magnesium secondary battery including the same. The primer includes a conductive material and a polymer material and enhances adhesive strength between a cathode current collector and an active material, thereby maintaining stability in an operating voltage range of the battery without increasing internal resistance.

Cathode current collector coated with primer and magnesium secondary battery comprising the same

Disclosed herein is an integrated electrode assembly including a cathode, an anode, and a separation layer disposed between the cathode and the anode. The cathode, the anode, and the separation layer are integrated with each other. The separation layer includes 3 phases including a liquid-phase component containing an ionic salt, a solid-phase component supporting the separation layer between the cathode and the anode, and a polymer matrix in which linear polymers and cross-linked polymers form a viscoelastic structure with the liquid-phase component and the solid-phase component being incorporated in the polymer matrix. The polymer matrix is coupled to each of the cathode and the anode. The liquid-phase component of the separation layer flows into the electrodes (i.e., the cathode and anode) during preparation of the integrated electrode assembly to greatly improve wetting properties of the electrodes and to increase ionic conductivity of the electrodes.

Integrated electrode assembly and secondary battery using same

Disclosed are a novel compound, a method for preparing the same, and a lithium secondary battery comprising the same. More specifically, disclosed are a compound in which five MOoctahedrons are bonded to one another around one MOoctahedron such that the MOoctahedrons share a vertex, to form hollows and Li cations substituted instead of Na cations using an ion substitution method are present in the hollows, and a crystal structure thereof is not varied even upon intercalation and deintercalation of Li cations, a method for preparing the same, and a lithium secondary battery comprising the same as a cathode active material.

Compound, method for preparation of the same, and lithium secondary battery comprising the same

Disclosed is an integrated electrode assembly having a structure in which a cathode, an anode, and a separation layer disposed between the cathode and the anode are integrated with one another, wherein the separation layer has a multilayer structure including at least one two-phase electrolyte including a liquid phase component and a polymer matrix and at least one three-phase electrolyte including a liquid phase component, a solid component, and a polymer matrix, wherein the polymer matrices of the separation layer are coupled to the cathode or the anode and the liquid phase components of the separation layer are partially introduced into an electrode in a process of manufacturing the electrode assembly.

Electrode assembly having novel structure and secondary battery using the same

Thermoelectric conversion materials, expressed by the following formula: BiMCuOQ1TeQ2. Here, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Cs, K, Na, Cd, Hg, Sn, Pb, Mn, Ga, In, Tl, As and Sb; Q1 and Q2 are at least one element selected from the group consisting of S, Se, As and Sb; x, y, z, w, a, and b are 0&#x2266;x&#x3c;1, 0&#x3c;w&#x2266;1, 0.2&#x3c;a&#x3c;4, 0&#x2266;y&#x3c;4, 0.2&#x3c;b&#x3c;4 and 0&#x2266;z&#x3c;4. These thermoelectric conversion materials may be used for thermoelectric conversion elements, where they may replace thermoelectric conversion materials in common use, or be used along with thermoelectric conversion materials in common use.

Thermoelectric conversion material and producing method thereof; and thermoelectric conversion element using the same

Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: BiCuOTe, where 0&#x2266;x&#x3c;1, 0&#x2266;y&#x3c;1, 0&#x2266;z&#x3c;1 and x+y+z&#x3e;0. A thermoelectric conversion device using said thermoelectric conversion material has good energy conversion efficiency.

Growing community of inventors

Daejeon, South Korea

Seung-Tae Hong