Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Korea Research Institute of Standards and Science

Mie University

Seoul National University

Sungkyunkwan University

Mitech Corporation

Dong-Joon Lee

Young-Gyoon Ryu

Seok-soo Lee

Dong-min Im

Seung-sik Hwang

Han-su Kim

Victor Roev

Jae-man Choi

Moon-seok Kwon

Boris Aleksandrovich Trofimov

Sang-bok Ma

Nobuyuki Imanishi

Yasuo Takeda

Osamu Yamamoto

Young-gyonn Ryu

Seung-Hoon Park

Dae-Gyun Kim

Hyun-Seok Ryu

Myung-jin Lee

Hyung-Jin Choi

Min-sik Park

Yoon-sok Kang

Min-Sik Park

Seung-Hun Hong

Won-Joon Hwang

Han-Su Kim

Young-Pyo Hong

Jae-Yong Kwon

Hyunji Koo

No-Weon Kang

Byung-Yang Lee

Jun-Young Mun

Yoon-Sok Kang

Moon-Seok Kwon

Jae-Man Choi

Dong-Min Im

Sang-Bok Ma

Young-Gyoon Ryo

Jin-Hwan Park

An electromagnetic wave impedance measuring apparatus includes a network analyzer, configured to measure scattering parameters according to a frequency, including a first port and a second port; and a multilayer substrate, connected to the first port and the second port by a coaxial cable, having a via connecting conductive layers to each other and including three or more conductive layers including at least an uppermost layer, a lowermost layer, and an intermediate layer. The multilayer substrate includes a test sample disposed between the uppermost layer and the lowermost layer; a through calibration standard disposed between the uppermost layer and the lowermost layer; a reflect calibration standard disposed between the uppermost layer and the lowermost layer; and a line calibration standard disposed between the uppermost layer and the lowermost layer. Each of the test sample, the through calibration standard, the reflect calibration standard, and the line calibration standard is connected by a first error box, having the via, and a second error box having the via of the same structure as the via of the first error box.

Electromagnetic wave impedance measuring apparatus and calibration method of impedance

Provided is an electromagnetic wave power sensing apparatus. The electromagnetic wave power measuring apparatus includes a waveguide to which electromagnetic wave power is incident, an electromagnetic wave absorber disposed at a termination of the waveguide and absorbing the electromagnetic wave power incident to a front surface of the electromagnetic wave absorber, parallel plates disposed at a rear of the electromagnetic wave absorber and arranged on and under a center line of the waveguide, a waveguide guide for fixing the waveguide and the electromagnetic wave absorber, wherein the parallel plates are positioned in the waveguide guide, an electro-optic element configured to sense the electromagnetic wave power, an electro-optic element fixer to which the electro-optic element is coupled, and a movement guide coupled to the electro-optic element fixer and controlling movement of the electro-optic element into the inside of the waveguide guide in order to sense the electromagnetic wave power.

Electromagnetic wave power sensing apparatus and system comprising thereof

The present disclosure provides a method for performing a cellular communication in a device-to-device communication system, the method comprising the operations of: receiving scheduling to transmit an uplink signal through a specific resource of a discovery channel from a base station; generating uplink scheduling information notifying scheduling of the uplink signal; and transmitting the uplink scheduling information through at least one discovery resource of the discovery channel.

Channel structure for discovering terminal in wireless communication system, and power control method and apparatus

A lithium air battery including an electrolyte including lithium ion conductive polymers and lithium salts between a positive electrode and a lithium ion conductive solid electrolyte membrane. The lithium ion conductive polymers are hydrophilic matrix polymers.

Electrolyte for lithium air battery and lithium air battery including the same

An electrolyte composition and catalyst ink, a solid electrolyte membrane formed by printing the electrolyte composition and catalyst ink, and a secondary battery including the solid electrolyte membrane. An electrolyte composition includes a solvent; a lithium salt dissolved in the solvent; and a cycloolefin-based monomer dissolved or dispersed in the solvent and a catalyst ink includes a catalyst that promotes the ring-opening and polymerization reactions of the cycloolefin monomers of the electrolyte composition.

Electrolyte composition and catalyst ink and solid electrolyte membrane formed by using the same

A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex.

Lithium air battery

A secondary lithium battery electrolyte including a lithium salt, a nonaqueous organic solvent, and an electrolyte additive represented by Formula 1: 

Secondary lithium battery electrolyte and secondary lithium battery including the same

A non-aqueous electrolyte and a lithium air battery including the same. The non-aqueous electrolyte may include an oxygen anion capturing compound to effectively dissociate the reduction reaction product of oxygen formed during discharging of the lithium air battery, reduce the overvoltage of the oxygen evolution reaction occurring during battery charging, and enhance the energy efficiency and capacity of the battery.

Non-aqueous electrolyte and lithium air battery including the same

An organic electrolytic solution includes a lithium salt; an organic solvent containing a high dielectric constant solvent; and a polymerizable cycloolefin monomer, and an lithium battery employing the same. The organic electrolytic solution prevents decomposition of an electrolyte, and thus the lithium battery employing the organic electrolytic solution has improved cycle characteristics and lifetime.

Organic electrolytic solution comprising cycloolefin monomer and lithium battery employing the same

An organic electrolyte including a lithium salt; an organic solvent; and a flavone-based or flavanon-based compound, and a lithium battery including the organic electrolyte.

Organic electrolyte and lithium battery including the same

An organic electrolyte solution includes a lithium salt; an organic solvent including a high permittivity solvent and a low boiling solvent; and a vinyl-based compound represented by Formula 1 below, wherein m and n are each independently integers of 1 to 10; X, X, and Xeach independently represent O, S, or NR; and R, R, R, R, R, R, R, R, and Rare represented in the detailed description. The organic electrolyte solution of the present invention and a lithium battery using the same suppress degradation of an electrolyte, providing improved cycle properties and life span thereof. 

Organic electrolyte solution including vinyl-based compound and lithium battery using the same

A lithium battery includes a cathode; an anode; and an organic electrolyte solution. The cathode includes cathode active materials that discharge oxygen during charging and discharging. The organic electrolyte solution includes: lithium salt; an organic solvent, and at least one selected from the group consisting of compounds represented by Formula 1 and Formula 2 below:P(R)(OR)&#x2003;&#x2003;Formula 1O&#x2550;P(R)(OR).&#x2003;&#x2003;Formula 2 Ris each independently a substituted or unsubstituted C-Calkyl group or a substituted or unsubstituted C-Caryl group. Ris each independently a substituted or unsubstituted C-Calkyl group or a substituted or unsubstituted C-Caryl group. a and b are each independently in a range of about 0 to about 3 and a+b=3.

Lithium battery

An organic electrolytic solution including: a lithium salt; an organic solvent; and a compound represented by Formula 1 below, and a lithium battery including the organic electrolytic solution.  In Formula 1: R1, R2, and R3 may be each independently a hydrogen atom, a C1 to C10 alkyl group, a C6 to C10 cycloalkyl group, a C6 to C10 aryl group, a C2 to C10 alkenyl group, or a C2 to C10 alkynyl group; X is C (R2) or nitrogen; and n is an integer ranging from 1 to 5.

Organic electrolytic solution and lithium battery employing the same

An additive for an electrolyte of a lithium secondary battery, the additive including a polysiloxane-based compound represented by Formula 1 below:  In formula 1 R, R, R, A, A, l, m, n, o and p are as described in the detailed description of the present invention.

Polysiloxane-based compound for electrolyte of lithium secondary battery, organic electrolyte solution including the polysiloxane-based compound, and lithium battery using the solution

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Seoul, South Korea

Dong-Joon Lee