Lg Chem, Ltd

Hyundai Motor Company

Kia Motors Corporation

University-industry Cooperation Group of Kyung Hee University

Gs Caltex Corporation

Cheol Hee Park

Chee Sung Park

Kyung Moon Ko

Min Kyoung Kim

Myung Jin Jung

Yu Ho Min

Byung Kyu Lim

Han Nah Jeong

Sang Yun Jung

Yong Ju Lee

Ki Hwan Kim

Su Jin Kim

Jae Hyun Kim

Je Young Kim

Seung Hyun Lee

Shin Hee Jun

Dong Hwan Kim

Hyun Chul Kim

Dong Sik Kim

Il Ha Lee

Han Ki Lee

Sang Hyuk Im

Su Hee Lee

Su Jeong Lee

Jae Min Kim

Pum Suk Park

Won Bae Byun

Jaehyun Kim

Mun Gyu Bak

Sujeong Lee

Myungjin Jung

Ii Ha Lee

Hyungju Oh

Minkyoung Kim

Yeseul Lee

A compound semiconductor which has an improved thermoelectric performance index together with excellent electrical conductivity, and thus may be utilized for various purposes such as a thermoelectric conversion material of thermoelectric conversion devices, solar cells, and the like, and to a method for preparing the same.

Compound semiconductor and use thereof

The present invention relates to a thermoelectric module, and a thermoelectric module according to an exemplary embodiment of the present invention includes: a plurality of thermoelectric elements that are disposed between a heat transmission member and a cooling member; and a first electrode layer and a second electrode layer that are respectively disposed between the heat transmission member and the plurality of thermoelectric elements and between the cooling member and the plurality of thermoelectric elements, wherein the plurality of thermoelectric elements may include P-type thermoelectric elements and N-type thermoelectric elements, and a P-type thermoelectric element and an N-type thermoelectric element that neighbor each other may have different heights, and one electrode layer selected from among the first electrode layer and the second electrode layer formed throughout the P-type thermoelectric element and the N-type thermoelectric element that neighbor each other may have at least two bent portions.

Thermoelectric module

A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a low temperature, particularly at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same:VMSnBiSeTe&#x2003;&#x2003;[Chemical Formula 1]In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, and y is greater than 0 and less than or equal to 1.

Chalcogen-containing compound, its preparation method and thermoelectric element comprising the same

A thermoelectric module that has excellent thermal, electric properties, can realize high joining force between thermoelectric elements and an electrode, and can maintain stable joining even at a high temperature.

A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability at a temperature corresponding to the driving temperature of a thermoelectric element, and also exhibits an excellent thermoelectric performance index (ZT) through an increase in a power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same:VMSnPbBiSeTe&#x2003;&#x2003;[Chemical Formula 1]In the above Formula 1, V is a vacancy, M is an alkali metal, x is greater than 0 and less than 1, y is greater than 0 and less than 4, and z is greater than 0 and less than or equal to 1.

The present invention relates to a novel chalcogen-containing compound that exhibits excellent phase stability even at a temperature corresponding to the driving temperature of a thermoelectric element, and has a high output factor and thermoelectric figure of merit, a method for preparing the same, and a thermoelectric element including the same.

A thermoelectric module including at least a first and a second thermoelectric element comprising a thermoelectric semiconductor; an electrode connecting the first and second thermoelectric elements; and at least a first and a second joining layer, the first joining layer positioned between the first thermoelectric element and the electrode, and the second joining layer positioned between the second thermoelectric element and the electrode; and at least a first and a second barrier layer including an alloy including Cu, Mo and Ti, the first barrier layer positioned between the first thermoelectric element and the first joining layer, and the second barrier layer positioned between the second thermoelectric element and the second joining layer. The module prevents heat diffusion of the material of the joining layer, preventing the oxidation and deformation of the thermoelectric element under high temperature environment, and exhibiting improved operational stability due to excellent adhesion to a thermoelectric element.

A chalcogen-containing compound of the following Chemical Formula 1, which may have decreased thermal conductivity and improved power factor in the low temperature region, and thus exhibit an excellent thermoelectric figure of merit, a method for preparing the same, and a thermoelectric element including the same:VSnInSbTe&#x2003;&#x2003;[Chemical Formula 1]wherein V, a and x are as defined in the specification.

The present invention provides a novel compound semiconductor that has improved thermoelectric figure of merit as well as excellent electric conductivity, and thus, can be applied for various uses such as thermoelectric conversion material of a thermoelectric conversion device, a solar battery, and the like, and a method for preparing the same.

A thermoelectric material which minimize the content of components that degrade thermoelectric performance and thus can be usefully used in thermoelectric devices including the same.

Thermoelectric material and thermoelectric device including the same

A novel compound semiconductor that can be used for a solar battery, a thermoelectric material, and the like, and use thereof. The novel compound semiconductor may be represented by the following Chemical Formula: NdSCoSbQ, wherein Q is one or more selected from the O, Se, or Te, 0&#x3c;x&#x3c;0.2, 0&#x3c;y&#x2264;1, and 0&#x3c;z&#x3c;12.

A chalcogen-containing compound of the following chemical formula which exhibits an excellent thermoelectric performance index (ZT) through an increase in power factor and a decrease in thermal conductivity, a method for preparing the same, and a thermoelectric element including the same: MVSnSbTe, wherein V is vacancy, M is at least one alkali metal, x&#x2265;6, and 0&#x3c;y&#x2264;0.4.

A novel compound semiconductor which can be used for a solar cell, a thermoelectric material, or the like, and the use thereof.

A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability even at a low temperature, particularly at a temperature corresponding to an operating temperature of a thermoelectric element, and also exhibits a significantly superior power factor and thermoelectric performance index due to its excellent electrical conductivity and low thermal conductivity caused by its unique crystal lattice structure, a method for preparing the same, and a thermoelectric element including the same. [Chemical Formula 1]&#x2014;VSnBiAgSe, wherein V is vacancy and 0&#x3c;x&#x3c;0.5.

A polypropylene composite resin composition and an automotive interior part molded using the polypropylene composite resin composition are provided herein. The polypropylene composite resin composition contains: (a) an easily injection moldable polypropylene polymer, (b) a thermoplastic elastomer for improving impact resistance, (c) a platy inorganic filler surface-treated with an organosilane having affinity for a phytoncide, (d) a phytoncide having deodorizing capability and aromaticity, (e) a processing oil preventing pyrolysis of the phytoncide, and (f) a surfactant for improving the compatibility between the base resin and the phytoncide at specific compositional ratios. The automotive interior part molded using the polypropylene composite resin composition disclosed herein provides a pleasant environment for drivers by removing the offensive odor from volatile organic compounds (VOCs), etc. and maintaining the intrinsic scent of the phytoncide for a long time.

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Daejeon, South Korea

Cheol Hee Park