Hyundai Motor Company

Korea Institute of Energy Research

Kia Motors Corporation

Kia Corporation

Min Jin Kim

Ki Sub Lee

Byung Chan Bae

Woo Jin Lee

Tae Hyun Yang

Gu Gon Park

Seok Hee Park

Young Jun Sohn

Young June Park

Sung Dae Yim

Won Yong Lee

Seung Gon Kim

Yong Min Kim

Gu-gon Park

Sung-dae Yim

Seok-hee Park

Tae-hyun Yang

Chang-Soo Kim

Won-yong Lee

Young-jun Sohn

Chang Soo Kim

Hye Jin Lee

Young-Woo Choi

Young-Gi Yoon

Dong Won Shin

Hwan Yeong Oh

Seung Hee Woo

Yoon Young Choi

So Jeong Lee

Seung Ah Yu

Sam Hee Yu

Han Hyung Lee

Jae Seung Lee

Young Min Kim

Sun Hwa Kim

Yu Seok Kim

Sun Il Kim

Min Kyung Kim

Su Won Seol

Kyu Tae Park

Young Woo Choi

Young Gi Yoon

Dae Yong Son

Byung Gun Song

Sung Hee Shin

Sung Dae Lim

Kyoung Youn Kim

Mi-Soon Lee

Kwang Hyun Chang

Seong Hun Cho

Eun Ja Lim

Dong Hwan Park

Soon Ho Jung

Yun Sik Kang

A modeling method for designing a flow field of a fuel cell including a membrane electrode assembly including a catalyst layer and an electrolyte membrane, a gas diffusion layer, a flow field, and a bipolar plate includes modeling using a numerical model derived from a governing equation including a mass conservation equation of species, a fluid momentum in a porous media, and a modified Butler-Volmer's equation and outputting an oxygen diffusion characteristic in a catalyst layer from the modeling result.

Modeling methods for designing fuel cell flow field

A membrane-electrode assembly and a method for manufacturing the same are provided. The membrane-electrode assembly includes a pattern layer formed between a separator and a subgasket through a UV curing process.

Membrane-electrode assembly and method for manufacturing the same

An embodiment apparatus for fabricating a membrane-electrode-subgasket assembly includes a feeding unit including a sheet feeding roller configured to feed a membrane-electrode assembly sheet having catalyst layers provided on both surfaces thereof, a cutting unit including a cutting roller and a support roller configured to rotate in engagement with the cutting roller, wherein the cutting roller is configured to punch portions outside each of the catalyst layers, a first pressing unit including a suction roller and a first hot roller, and a second pressing unit including second hot rollers.

Apparatus for fabricating membrane-electrode-subgasket assembly and method for fabricating membrane-electrode-subgasket assembly using the same

A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Heat treatment apparatus and method of membrane electrode assemblies

A method of manufacturing an Electricity-Generating Assembly (EGA) includes: preparing an electrolyte membrane including a central portion and a peripheral portion; providing a contact member to the peripheral portion of the electrolyte membrane; providing at least one of a first Gas Diffusion Electrode (GDE) including a reaction portion of a first Gas Diffusion Layer (GDL) and a first electrode layer or a second GDE including a reaction portion of a second GDL and a second electrode layer, on at least one central portion of the first surface of the electrolyte membrane or the second surface of the electrolyte membrane; and providing a gas diffusion portion of a respective GDL among the first and second GDLs on the contact member.

Method of manufacturing electricity-generating assembly

A hierarchical fault classification method for a fuel cell system, a multi-stage fault diagnosis method therefor, and a fault diagnosis device therefor are disclosed. The fuel cell system is divided into a subsystem, a component, and an element step by step. The multi-stage fault diagnosis method includes detecting a subsystem, a fault of which occurs, in the fuel cell system composed of a plurality of subsystems and detecting an upper-level component, which causes the fault, among upper-level components included in the subsystem, the fault of which occurs, using measurement data and a control signal.

Method and apparatus for multi-stage fault diagnosis of fuel cell systems

Provided is a method for manufacturing a membrane-electrode assembly. The method includes forming an electrode layer, preparing a porous support layer, and positioning the electrode layer on each of both surfaces of the porous support layer and hot-pressing the electrode layer positioned on the both surfaces. The forming of the electrode layer incudes forming a functional layer including a hydrogen ion conductive binder resin on at least a portion of an electrode catalyst layer, and forming an electrolyte layer on at least a portion of the functional layer. The preparing of the porous support layer includes performing a pretreatment process by impregnating the porous support layer with a pretreatment composition, and the performing of the pretreatment process includes dipping the porous support layer in a first pretreatment composition and then drying the porous support layer, and dipping the porous support layer after drying in a second pretreatment composition.

Disclosed are an apparatus for manufacturing a membrane electrode assembly to provide excellent mass transfer characteristics and durability and a manufacturing method using the same. A porosity gradient may be continuously imparted to electrodes of the membrane electrode assembly in a thickness direction thereby improving reactivity with external gas and transfer of internal ions.

Manufacturing apparatus of membrane electrode assembly with excellent mass transfer characteristics and durability, and manufacturing method using the same

Disclosed are a method of manufacturing a membrane electrode assembly for a fuel cell and a membrane electrode assembly for a fuel cell manufactured using the same. The planar membrane electrode assembly for a fuel cell may include an ionomer membrane formed on both side surfaces of an electrode and between the electrode and an electrolyte membrane, thereby increasing interfacial bonding force between the electrode and the electrolyte membrane and improving the durability of a cell. In addition, the membrane electrode assembly may include planar or smooth surfaces such that formation of voids or surface steps between the electrode and a sub-gasket may be prevented, thereby improving airtightness and preventing deterioration attributable to concentration of pressure.

Method of manufacturing planar membrane electrode assembly for fuel cell and planar membrane electrode assembly for fuel cell manufactured using the same

A heat treatment method for a membrane electrode assembly (MEA) of a fuel cell includes: placing a power supply plate on a surface of the MEA or on a surface of an assembly of the MEA and a gas diffusion layer (GDL); and performing heat treatment on a surface or interior of the power supply plate by applying power to the power supply plate.

Heat treatment method for membrane electrode assembly for fuel cell

Provided are a metal oxide-carbon nanomaterial composite, a method of preparing the metal oxide-carbon nanomaterial composite, a catalyst, a method of preparing the catalyst, and a catalyst layer that includes the catalyst and that is used for fuel cell electrodes. The metal oxide-carbon nanomaterial composite includes a metal oxide particle having a specific surface area of 5 square meters per gram (m2/g) or less, and a carbon nanomaterial formed on a surface of the metal oxide particle. The catalyst includes a metal oxide-carbon nanomaterial composite in which a carbon nanomaterial is formed on a metal oxide particle, and an active metal particle formed on a surface of the carbon nanomaterial.

Metal oxide-carbon nanomaterial composite, method of preparing the same, catalyst, method of preparing the same, and catalyst layer for fuel cell electrodes

Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.

Apparatus and method for managing fuel cell vehicle system

A manufacturing system and method of an membrane electrode assembly (MEA) for a fuel cell is provided which increases performance and durability of an MEA and ensures productivity of the MEA therein. In particular, electrodes and an electrolyte membrane are bonded together and the membrane electrode assembly manufactured in the bonding process is pressed at a predetermined temperature.

Manufacture method of membrane electrode assembly for fuel cell

Growing community of inventors

Seoul, South Korea

Min Jin Kim