Abstract:
Disclosed are a heat dissipation material comprising a metallic glass and an organic vehicle and a light emitting diode package including at least one of a junction part, wherein the junction part includes a heat dissipation material including a metallic glass.
Abstract:
A thermoelectric material has a microstructure deformed by cryogenic impact. When the cryogenic impact is applied to the thermoelectric material, defects are induced in the thermoelectric material, and such defects increase phonon scattering, which results in enhanced figure of merit.
Abstract:
A bulk thermoelectric material having a structure in which migration of carriers is not inhibited but phonons are scattered is described. The bulk thermoelectric material includes: a bulk crystalline thermoelectric material matrix; and nanoparticles coated with a conductive material within the thermoelectric material matrix.
Abstract:
A thermoelectric material including: a bismuth-tellurium (Bi—Te)-based thermoelectric material matrix; and a nano-metal component distributed in the Bi—Te-based thermoelectric material matrix, wherein a Lotgering degree of orientation in a c-axis direction is about 0.9 to about 1.
Abstract:
A nanocomposite thermoelectric material, a thermoelectric element including the nanocomposite thermoelectric material, and a thermoelectric module including the thermoelectric element are disclosed herein. The nanocomposite thermoelectric material includes highly electrically conductive nano metallic particles that are uniformly dispersed in a thermoelectric material matrix. Thus, the nanocomposite thermoelectric material has high thermoelectric performance, and thus, may be used in a wide range of thermoelectric elements and thermoelectric modules.
Abstract:
A thermoelectric nano-composite including a thermoelectric matrix; a nano-metal particle; and a nano-thermoelectric material represented by Formula 1: AxMyBz Formula 1 wherein A includes at least one element of indium, bismuth, or antimony, B includes at least one element of tellurium or selenium (Se), M includes at least one element of gallium, thallium, lead, rubidium, sodium, or lithium, x is greater than 0 and less than or equal to about 4, y is greater than 0 and less than or equal to about 4, and z is greater than 0 and less than or equal to about 3.
Abstract:
A bulk thermoelectric material includes a matrix, the matrix including a crystalline thermoelectric material; and metal oxide particles disposed in the matrix at a grain boundary or within a crystal structure of the crystalline thermoelectric material.
Abstract:
A thermoelectric material including: a bismuth-tellurium (Bi—Te)-based thermoelectric material matrix; and a nano-metal component distributed in the Bi—Te-based thermoelectric material matrix, wherein a Lotgering degree of orientation in a c-axis direction is about 0.9 to about 1.
Abstract:
A bulk nanocomposite thermoelectric material including: a plurality of grains of a thermoelectric material; and a metal nanolayer on a boundary of the plurality of grains, wherein the metal nanolayer is crystalline, and a glass transition temperature and a crystallization temperature of the nanometal are lower than a melting point of the thermoelectric material.
Abstract:
A thermoelectric composite including a thermoelectric material matrix, a plurality of ceramic nanoparticles, and a bipolar dispersant, wherein the bipolar dispersant bonds the ceramic nanoparticles to the thermoelectric material matrix.