Korea Institute of Energy Research

Toray Advanced Materials Korea Inc.

Young-Gi Yoon

Chang-Soo Kim

Seok-hee Park

Gu-gon Park

Tae-hyun Yang

Sung-dae Yim

Won-yong Lee

Young-jun Sohn

Min Jin Kim

Minjin Kim

Jong-Soo Park

Young-Woo Choi

Byung Chan Bae

Min-jin Kim

Dong-Gook Kim

Tae-Hwan Kim

Jin-Soo Park

Namjo Jeong

Chan-Soo Kim

Han-Ki Kim

Misoon Lee

Taeyoung Kim

Byung-Chan Bae

Young-Jun Son

Mi-Soon Lee

Seung-Cheol Yang

Han-Gi Kim

Hyun-Kyung Yang

A reverse electrodialysis device, including an anode, a cathode, one or more single cells spaced apart from each other between the anode and the cathode, each single cell including a cation exchange membrane and an anion exchange membrane, and a shielding membrane disposed to define spaces between the anode and the single cell and/or between the cathode and the single cell. The cation exchange membrane and the shielding membrane include a porous polymer substrate and a polymer electrolyte incorporated into pores in the substrate.

Reverse electrodialysis device having enhanced maximum power density with ultra-thin ion exchange membranes

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

Provided are a method for preparing a catalyst layer by an in-situ sol-gel reaction of tetraethoxysilane, and a fuel cell including the catalyst layer prepared thereby. Addition of silica mitigates specific adsorption of sulfonate groups contained in a Nafion ionomer on a Pt catalyst layer in a high-voltage region where the role of a catalyst predominates, resulting in improvement of ORR performance.

Method for preparing catalyst layer by in-situ sol-gel reaction of tetraethoxysilane in Nafion ionomer solution

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

Apparatus and method for managing stationary fuel cell system

A quality control apparatus for a gas diffusion layer includes a support, at least one first pressure device, a plate provided below the first pressure device and supporting the pressure applied to the gas diffusion layer sample, a first controller controlling the compression of the first pressure device, a thickness gauge measuring the thickness of the gas diffusion layer sample, a flow channel formed in the sample compressing portion to discharge a gas to the gas diffusion layer sample, a gas supply controller, a gas supply source, a pressure gauge, two fixing devices, a third controller controlling the compression of the fixing devices, two second pressure, a second controller controlling the compression of the second pressure device, a stopper, a protrusion, and a load cell.

Quality control apparatus for gas diffusion layer for fuel cells

An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane. And the apparatus for pre-activating a polymer electrolyte fuel cell is used to monitor physical damage of the membrane electrode assembly based on the change of degree of vacuum at a fuel electrode side and an air electrode side using, thereby detecting the leaking membrane electrode assembly in advance.

System for pre-activation of polymer electrolyte fuel cell (PEFC)

The present invention provides a cell or stack for evaluating the performance of a fuel cell and a method of evaluating the performance of the fuel cell using the cell or stack, in which a semiconductor thermoelectric device, attached to the side surface of the unit cell or stack of the fuel cell, is provided maintain the cell or stack at a uniform temperature. The temperatures of an anode and a cathode of the fuel cell can be precisely changed or maintained such that the performance of the fuel cell can also be measured in sub-zero temperature conditions without requiring a separate environmental chamber. A rate of temperature decrease, at which the temperature decreases to a certain sub-zero temperature, or a rate of temperature increase can be precisely controlled.

Cell or stack for evaluating performance of fuel cell and method of evaluating performance of fuel cell using the same

Disclosed is an integrated multi-measurement system for measuring physical properties including thickness, electrical resistance and differential pressure of a gas diffusion layer for a polymer electrolyte fuel cell with respect to compression. The integrated multi-measurement system simultaneously measures changes in the physical properties of the gas diffusion layer depending on pressure upon measurement of the physical properties of the gas diffusion layer of the fuel cell and also measures through-plane permeability in which a gas is passed through a sample in a direction perpendicular to the sample and in-plane permeability in which a gas is passed through a sample in a direction parallel to the sample.

Integrated multi-measurement system for measuring physical properties of gas diffusion layer for polymer electrolyte fuel cell with respect to compression

Growing community of inventors

Daejeon, South Korea

Young-Gi Yoon