Crusing and dispersing the powder particles.
Dispersing the catalsyt particles and ionomer in the ink solution.
Crusing and dispersing the powder particles.
Dispersing the catalsyt particles and ionomer in the ink solution.
Applying various kinds of inks
Fabricating catalyst layer
Applying various kinds of inks
Fabricating catalyst layer
Heating press (for small cells)
Replicating catalyst layer onto
polymer electrolyte membrane.
Thermocompression bonding
of sub-gasket and gas diffusion layer (GDL).
Heating press (for full size cells)
Replicating catalyst layer onto
electrolyte membrane
Adhesion of separators
Measurement of viscosity and
viscoelasticity of liquids and slurries
Viscosity control of catalyst ink
Measurement of viscosity and
viscoelasticity of liquids and slurries
Viscosity control of catalyst ink
Measurement of particle size distribution
of fine particles dispersed in a solvent.
Particle size distribution measurement
in catalyst ink solution.
〇 Control of power generation
atmosphere of MEA evaluation cell
(temperature, humidity, pressure, gas type)
Mix the supply gas with any composition
Stable supply of reaction gas from small flow rate to large flow rate.
Temperature: Room temperature to 80 ℃
Dew point: Room temperature to 80 ℃
Pressure: Standard pressure to 300 kPa-abs
Supply gas: H2, Air, O2 , N2 , He
Flow control: 0.02 to 10 L / min
〇Electrochemical characterization
Potentio/galvanostat
Current range ± 20 A
Impedance analyzer
footnote: use available of CO gas and
in-line mass spectrometer.
Detailed analysis of MEA power generation performance and analysis method study
・Specifications
Temperature：RT～150℃
Dew point：8～80℃
Pressure：Standard pressure～300 kPa-abs
Supply gas：H2, Air, O2, N2, CO
Load current：Max 120 A
Featture：It has two systems of humidifiers on the cathode side, and by switching to the N2 atmosphere humidifier, electrochemical test can be performed immediately after the power generation test.
Evaluation for MEA power generation performance and material durability
at high temperatures.
Test Bench specifications
Load Current: 0 to 120 A
Power Generation Temp. : Room Temp. to 150°C
Power Generation Pressure : Ambient to 300 kPa-abs
Supply Gas : H2, Air, O2, N2
Gas dew point : 40 to 120°C
Evaluation for MEA material durability through long-term continuous power generation, under OCV conditions , etc.
Test Bench specifications
Load Current: 0 to 40A
Power Generation Temp.: Room Temperature to 120°C
Power Generation Pressure: Ambient to 300 kPa-abs
Supply Gas: H2, Air, N2
Gas dew point: 40 to 90°C
Feature: Supports power generation
test for full size cells (~ 5 kW)
Temperature: Room temperature to 90 °C
Dew point: 40 °C to 80 °C
Pressure: Standard pressure to 300 kPa-abs
Supply gas: H2, Air , N2
Evaluation of catalytic activity and electrochemically active surface area (ECSA).
Qualitative and quantitative analysis of ionic components in solution.
Analysis of degradation phenomena by quantification of decomposition products
(F-, SO42- etc. ) of polymer electrolyte membrane.
Qualitative and quantitative analysis
of components in solution.
Measurement of decomposition
products of polymer electrolyte membrane.
Qantitative and quantitative analysis of gas components.
Analysis of impurities in the gas supplied to the fuel cell.
Measurement of decomposition rate of carbon as catalyst support by analizing CO2 concentration in exhaust gas.
Observation of nanoscale structure
Analysis of crystal structure
Element mapping
Observation of liquid sample and frozen samples
Observation of MEA sturucture and polymer electrolyte membrane.
Observation of 3D structure of carbon support
Crystal structure analysis and elemental analysis of catalyst metal particles
Observation of cryo-structure of catalyst ink and ionomer dispersion solution
In-situ observation of catalyst ink and ionomer dispersion solution
Observation of surface and cross
section
Elemental analysis
Observation of structure of catalyst layer and cross
section of MEA
Preparation of cross section for SEM observation
Cross-sectional observation of MEA sample
Preparation of cross section for SEM observation
Cross-sectional observation of MEA sample
Preparation of rapidly frozen specimen for cryo-TEM observation retaining hydrous state
Cryo-TEM observation for catalyst ink, ionomer dispersion, cross-section of swollen catalyst layers
Preparation of high-pressure frozen specimen for cryo-SEM/TEM observation retaining hydrous state
Cryo-SEM/TEM observation for catalyst ink, ionomer dispersion, cross-section of swollen catalyst layers
Elemental analysis
Quantification of catalyst loading
(calibration curve method)
Observation of surface topography
Measurement of height
Evaluation of defects (unevenness, cracks, etc.) of catalyst layer
Measurement of catalyst layer thickness
Measurement of specific surface area, pore volume, pore size distribution
Evaluation of the porous structure of the catalyst powder and catalyst layer
True volume measurement
True volume measurement of catalyst layer and gas diffusion layer
Oxygen diffusion resistance measurement of porous material
Oxygen diffusion resistance measurement of catalyst layer and gas diffusion layer
(under temperature and humidity control environment)
Evaluation of water vapor sorption characteristics (weighing method)
Measurement of water vapor adsorption characteristics of catalyst layer, gas diffusion layer, and polymer electrolyte membrane (~ 80 °C)
Measurement of surface area of metal particles
Measurement of specific surface area of catalytic metal
Evaluation of thermal stability
Analysis of decomposition reaction
Measurement of catalyst metal/ carbon support weight ratio
Evaluation of thermal stability of carbon support and ionomer materials
Evaluation of crystal structure
Evaluation of crystallite size and degree of alloying of catalyst metal
Measurement of crystallinity of polymer electrolyte membrane
Structural analysis in nanometer scale
Structural analysis of microphase separation of polymer electrolyte membrane (humidity control at room temperature)
Evaluation of particle size distribution, periodic structure, and orientation of catalyst particles
Nuclear magnetization relaxation time measurement
Analysis of internal and diffusive motions of polymer electrolytes
Solution NMR of 1H, 13C and 19F.
Spectrum measurement of potential degradation products.
Measurement of molecular weight and particle size of polymers
Molecular weight distribution of polymer electrolyte membranes
Identification and quantification of substances
Structural changes of degraded polymer electrolyte membranes
Identification and quantification of substance
Structural changes of degraded polymer electrolyte membranes
Chemical structural analysis from Raman scattering peaks specific to functional group and polymer backbone.
Estimation of the degree of side chain degradation from the relative intensity of the side chain Raman peak against the backbone peak.
Size distribution analysis of nanosized particles.
Size estimation of ionomer aggregates.
Surface shape evaluation (humidity control at room temperature)
Mapping of mechanical and electrical properties of polymer electrolyte membranes and thin films
Evaluation of viscoelastic properties of materials
Dynamic Viscoelasticity Measurement of Electrolyte Membrane
Uniaxial stretching of membranes to obtain stress-strain curves
Evaluation of temperature and humidity dependence of mechanical strength (elastic modulus, yield point, plastic deformation) of polymer electrolyte membrane
Measurement of gas permeability of polymer membrane
Simultaneous measurement of hydrogen/oxygen permeability of polymer electrolyte membrane in high temperature / high humidification atmosphere
Measurement of water permeability and electroosmotic coefficient of polymer electrolyte membrane
Simultaneous measurement of water uptake and in-plane conductivity of a membrane
Temperature and humidity dependence of water uptake and conductivity of
polymer electrolyte membrane
In-plane or through-membrane conductivity measurement
Temperature and humidity dependence of proton conductivity of polymer electrolyte membrane
Measurement of very small weight change on the quartz crystal substrate.
Measurement of water uptake of ionomer thin films.
Qualitative and quantitative elemental analysis of dilute aqueous solution
Quantification of dissolved platinum in wastewater during durability test
Quantification of impurities in polymer electrolyte membrane
