Hyundai Motor Company

Dongwoo Hst Co., Ltd.

Kia Motors Corporation

Kia Corporation

Yonsei University

Su Jung Noh

In Woong Lyo

Seung Woo Lee

Jin Woo Kwak

Han Saem Lee

Hong Kil Baek

Woong Pyo Hong

Bokyung Kim

Seung Jeong Oh

Kyong Hwa Song

Seungkoo Lee

In Chang Chu

Jungyeon Park

Byung Wook Kim

Gyung Bok Kim

Jun Seok Lee

Seung Gyun Ahn

Won Ki Chung

Woo Young Lee

Yoo Chang Yang

Hoo Dam Lee

Tae Won Lee

Gwan Sik Kim

Kyungmin Kim

Sung Mee Cho

Jisung Lee

Daeil Yoon

A device for generating a digital random encryption key includes an input unit adding a non-volatile active element for overcoming a limit of a passive element when generating an encryption key, applying a random passive filter, and inputting an analog voltage signal to an encryption key generator, an encryption key generator including a non-volatile active element and a passive filter, connected to the input unit through a connection substrate, and generating a random encryption key from an entropy source, and a converter for converting a signal generated by the encryption key generator into a digital signal and outputting the digital signal is provided, thereby improving robustness of security compared to the case of applying the general passive element, allowing regeneration or random generation, and generating an excellent encryption key working excellently for physical reverse engineering violations.

Device for generating digital random encryption key

The present disclosure relates to a thermoelectric module sheet that includes a base substrate, a plurality of thermoelectric elements laminated on a surface of the base substrate, and a plurality of electrodes, each of which is laminated on at least one surface of at least one of the plurality of thermoelectric elements to electrically connect the plurality of thermoelectric elements by a predetermined connecting method.

Thermoelectric module sheet and thermoelectric module assembly including the same

A fuel cell separator includes a metal substrate having a surface; an ion penetration layer including carbon diffusion-inhibiting ions extending from the surface of the metal substrate into the metal substrate; and a carbon coating layer disposed on the surface of the metal substrate.

Fuel cell separator and coating method for fuel cell separator

A separator for a fuel cell includes: a metal base material; and a carbon coating layer formed on one surface or both surfaces of the metal base material, in which roughness Ra formed at an interface between the metal base material and the carbon coating layer may be in a range of 20 to 78 nm.

Separator for fuel cell and coating method thereof

Disclosed are a manufacturing method for a porous thermal insulation coating layer, a porous thermal insulation coating layer with substantially reduced thermal conductivity and volumetric heat capacity and an internal combustion engine including the porous thermal insulation coating layer thereby having excellent durability.

Manufacturing method for porous thermal insulation coating layer, porous thermal insulation coating layer and internal combustion engine using the same

A thermoelectric nanocomposite is provided. The thermoelectric nanocomposite includes: a matrix having n-type semiconductor characteristics and comprising Mg, Si, Al, and Bi components, and a nanoinclusion comprising Bi and Mg components. The thermoelectric nanocomposite has significantly increased thermoelectric energy conversion efficiency by simultaneously having an increased Seebeck coefficient and a decreased thermal conductivity, such that the thermoelectric nanocomposite is usefully used to implement a thermoelectric device having high efficiency.

Thermoelectric nanocomposite and process of producing the same

Disclosed are a coating layer including pores for thermal insulation and a method of preparing the same. As such, the coating layer may secure low thermal conductivity, low volume heat capacity and improved durability, such that the coating layer can be applied to an internal combustion engine.

Porous thermal insulation coating layer and preparing method for the same

A thermoelectric generator system of an engine is provided and includes an insulating heat protective cover that is mounted within an engine. Additionally, a unit is disposed at an upper end of the heat protective cover to uniformly distribute heat energy to use the heat protective cover mounted at an upper end of an exhaust manifold of the engine to protect a wiring from exhaust heat. Accordingly, heat energy discarded from the exhaust manifold is absorbed to generate electricity using the waste heat discarded from the exhaust manifold without affecting the catalyst to improve the fuel efficiency of the internal combustion engine. Further, heat is transferred by conduction at a particular temperature or greater and heat is transferred by radiation and convection at a temperature less than the particular temperature to increase the efficiency.

Thermoelectric generator system of engine

Fuel cell separator and coating method of seperator for fuel cell separator

Disclosed are a composite particle and a method of manufacturing the same. The composite particle may have an appropriate level of particle diameter and may maintain a stable shape and internal porous structure when the composite particle is applied during a coating process at high temperature.

Porous ceramic composite particle and method for preparing the same

Provided is a thermoelectric generating system which may be easily installed in a heat source of a vehicle and which is easy to assemble and disassemble overall by eliminating the necessity to be assembled with a cooling module. The thermoelectric generating system includes a first substrate, a second substrate configured to be slidably engageable in contiguity with a heat source of a vehicle, and a thermoelectric module disposed between the first substrate and the second substrate.

Thermoelectric generating system

The present disclosure relates to a generator for an internal combustion engine. The generator for an internal combustion engine includes: a heat protector configured to cover an exhaust manifold in which exhaust gas flows to absorb heat energy emitted from the exhaust manifold; and a thermoelectric module configured to be disposed on the heat protector to generate electric energy from heat energy absorbed by the heat protector.

Generator for internal combustion engine

A thermoelectric power generation apparatus includes a heat transfer module configured to be attached to an exhaust manifold or an exhaust pipe; a thermoelectric module configured to be supplied with heat from the heat transfer module; and a cooling module configured to absorb heat from the thermoelectric module. Thus, it is possible to implement a thermoelectric power generation system in the vehicle without changing a shape of an exhaust system and a shape of the thermoelectric module.

Thermoelectric power generation apparatus

A thermoelectric generation apparatus includes a heat absorbing surface configured to absorb heat from an internal combustion engine, a heat generating surface bonded to the heat absorbing surface by a semiconductor and configured to discharge the heat to the outside, and a conductive converting part interposed between the heat absorbing surface and the internal combustion engine. The conductive converting part is configured to allow the heat to be conducted from the internal combustion engine to the heat absorbing surface when a temperature of the internal combustion engine is equal to or greater than a specific value.

Growing community of inventors

Seoul, South Korea

Su Jung Noh