ACAmplitude
https://w3id.org/h2kg/hydrogen-ontology#ACAmplitude
A parameter specifying acamplitude used to characterize Electrochemical Impedance Spectroscopy Potentiostatic and Electrochemical Impedance Spectroscopy Galvanostatic.
Bias Potential
https://w3id.org/h2kg/hydrogen-ontology#BiasPotential
A parameter specifying bias potential used to characterize Electrochemical Impedance Spectroscopy Potentiostatic, Rotating Ring Disk Voltammetry, and Electrochemical Impedance Spectroscopy Galvanostatic.
Catalyst Impregnation
https://w3id.org/h2kg/hydrogen-ontology#CatalystImpregnation
A manufacturing process for catalyst impregnation using Support Material and Precursor Solution with Oven and producing Impregnated Support.
Catalyst Layer Porosity
https://w3id.org/h2kg/hydrogen-ontology#CatalystLayerPorosity
A parameter specifying catalyst layer porosity used to characterize PEMFCCFD Simulation, Electrochemical Reaction Simulation, and Catalyst Layer Composition Specification.
Catalyst Layer Thickness
https://w3id.org/h2kg/hydrogen-ontology#CatalystLayerThickness
A parameter specifying catalyst layer thickness used to characterize Electrochemical Impedance Spectroscopy Galvanostatic, Transmission Line Model Analysis, and PEMFCCFD Simulation.
Catalyst Layer Tortuosity
https://w3id.org/h2kg/hydrogen-ontology#CatalystLayerTortuosity
A parameter specifying catalyst layer tortuosity.
Catalyst Layer Volume
https://w3id.org/h2kg/hydrogen-ontology#CatalystLayerVolume
A normalization basis corresponding to catalyst layer volume and used as the reference basis for reporting quantitative results or properties.
Cathode Stoichiometric Ratio
https://w3id.org/h2kg/hydrogen-ontology#CathodeStoichiometricRatio
A parameter specifying cathode stoichiometric ratio used to characterize MEAPolarization, Electrochemical Impedance Spectroscopy Galvanostatic, and Break In Procedure.
Compression Pressure
https://w3id.org/h2kg/hydrogen-ontology#CompressionPressure
A parameter specifying compression pressure used to characterize MEAAssembly Process and Through Plane Thermal Conductivity Measurement.
Current Density
https://w3id.org/h2kg/hydrogen-ontology#CurrentDensity
A property denoting current density normalized to Geometric Area and determined in MEAPolarization, Rotating Ring Disk Voltammetry, and Cyclic Voltammetry.
Current-Interrupt HFR Measurement
https://w3id.org/h2kg/hydrogen-ontology#CurrentInterruptHFRMeasurement
A measurement process that uses Current-Interrupt HFR measurement to determine Ohmic Resistance and High Frequency Resistance using Fuel Cell Test Station and Milli Ohmmeter and generating Experiment Dataset.
Dynamic Hydrogen Electrode (H2 Anode in MEA)
https://w3id.org/h2kg/hydrogen-ontology#DynamicHydrogenElectrode
An instrument corresponding to a dynamic hydrogen electrode and used as a reference electrode in electrochemical measurements.
ECSA Basis
https://w3id.org/h2kg/hydrogen-ontology#ECSABasis
A normalization basis corresponding to ECSA basis and used as the reference basis for reporting quantitative results or properties.
Effective Ionic Conductivity
https://w3id.org/h2kg/hydrogen-ontology#EffectiveIonicConductivity
A property denoting effective ionic conductivity and determined in Electrochemical Impedance Spectroscopy Potentiostatic, Proton Conductivity Measurement, and Literature Review Synthesis.
Effective Oxygen Diffusion Coefficient
https://w3id.org/h2kg/hydrogen-ontology#EffectiveOxygenDiffusionCoefficient
A property denoting effective oxygen diffusion coefficient and determined in Through-Plane Gas Transport Measurement, X Ray Computed Tomography Imaging, and Distribution Of Relaxation Times Analysis.
Environmental Chamber
https://w3id.org/h2kg/hydrogen-ontology#EnvironmentalChamber
An instrument corresponding to an environmental chamber and used in Through-Plane Gas Transport Measurement.
Flow Field Design
https://w3id.org/h2kg/hydrogen-ontology#FlowFieldDesign
A parameter specifying flow field design.
Frequency
https://w3id.org/h2kg/hydrogen-ontology#Frequency
A parameter specifying frequency used to characterize Current-Interrupt HFR Measurement, Square Wave Voltammetry, and Spray Coating.
GDE Fixture
https://w3id.org/h2kg/hydrogen-ontology#GDEFixture
An instrument corresponding to a GDE fixture.
GDL Type
https://w3id.org/h2kg/hydrogen-ontology#GDLType
A parameter specifying GDL type used to characterize MEAPolarization.
Gas Composition
https://w3id.org/h2kg/hydrogen-ontology#GasComposition
A parameter specifying gas composition used to characterize Oxygen Gain/Loss Measurement, O2–N2 Switching Measurement, and Through-Plane Gas Transport Measurement.
Gas Humidification Unit
https://w3id.org/h2kg/hydrogen-ontology#GasHumidificationUnit
An instrument corresponding to a gas humidification unit and used in Oxygen Gain/Loss Measurement, O2–N2 Switching Measurement, and MEAPolarization.
Geometric Area
https://w3id.org/h2kg/hydrogen-ontology#GeometricArea
A normalization basis corresponding to geometric area and used as the reference basis for reporting quantitative results or properties.
Ink Aging Time
https://w3id.org/h2kg/hydrogen-ontology#InkAgingTime
A parameter specifying ink aging time used to characterize Catalyst Ink Preparation and Dynamic Light Scattering Measurement.
Ionomer Equivalent Weight
https://w3id.org/h2kg/hydrogen-ontology#IonomerEquivalentWeight
A parameter specifying ionomer equivalent weight used to characterize Catalyst Ink Preparation, Discrete Element Method Packing Simulation, and Ionomer Coating Simulation.
Ionomer Mass
https://w3id.org/h2kg/hydrogen-ontology#IonomerMass
A normalization basis corresponding to ionomer mass and used as the reference basis for reporting quantitative results or properties.
Kinetic Current
https://w3id.org/h2kg/hydrogen-ontology#KineticCurrent
A property denoting kinetic current normalized to Geometric Area and determined in Rotating Ring Disk Voltammetry and Linear Sweep Voltammetry.
Limiting Current Density
https://w3id.org/h2kg/hydrogen-ontology#LimitingCurrentDensity
A property denoting limiting current density normalized to Geometric Area and determined in Oxygen Gain/Loss Measurement, Rotating Ring Disk Voltammetry, and Linear Sweep Voltammetry.
Local Oxygen Transport Resistance
https://w3id.org/h2kg/hydrogen-ontology#LocalOxygenTransportResistance
A property denoting local oxygen transport resistance normalized to Geometric Area and determined in Oxygen Gain/Loss Measurement, O2–N2 Switching Measurement, and Through-Plane Gas Transport Measurement.
MEA Polarization
https://w3id.org/h2kg/hydrogen-ontology#MEAPolarization
A measurement process that records membrane electrode assembly polarization behavior to determine current density, power density, mass activity, and related electrochemical performance properties under controlled oper...
Mass Flow Controller
https://w3id.org/h2kg/hydrogen-ontology#MassFlowController
An instrument corresponding to a mass flow controller and used in MEAPolarization, Spray Coating, and Fuel Cell Test Station.
Mass Transport Resistance
https://w3id.org/h2kg/hydrogen-ontology#MassTransportResistance
A property denoting mass transport resistance normalized to Geometric Area and determined in Through-Plane Gas Transport Measurement, MEAPolarization, and Electrochemical Impedance Spectroscopy Potentiostatic.
Membrane Type
https://w3id.org/h2kg/hydrogen-ontology#MembraneType
A parameter specifying membrane type used to characterize MEAAssembly Process.
Microporous Layer Presence
https://w3id.org/h2kg/hydrogen-ontology#MicroporousLayerPresence
A parameter specifying microporous layer presence.
O2–N2 Switching Measurement
https://w3id.org/h2kg/hydrogen-ontology#O2N2SwitchingMeasurement
A measurement process that uses O2–N2 switching measurement to determine Local Oxygen Transport Resistance using Fuel Cell Test Station and Gas Humidification Unit and generating Experiment Dataset.
Ohmic Resistance
https://w3id.org/h2kg/hydrogen-ontology#OhmicResistance
A property denoting ohmic resistance and determined in Current-Interrupt HFR Measurement, MEAPolarization, and Electrochemical Impedance Spectroscopy Potentiostatic.
Onset Potential
https://w3id.org/h2kg/hydrogen-ontology#OnsetPotential
A property denoting onset potential and determined in Rotating Ring Disk Voltammetry, Cyclic Voltammetry, and Linear Sweep Voltammetry.
Operating Temperature
https://w3id.org/h2kg/hydrogen-ontology#OperatingTemperature
A parameter specifying operating temperature used to characterize Oxygen Gain/Loss Measurement, O2–N2 Switching Measurement, and Through-Plane Gas Transport Measurement.
Oven
https://w3id.org/h2kg/hydrogen-ontology#Oven
An instrument corresponding to an oven and used in Catalyst Impregnation, Convection Drying, and Vacuum Drying.
Overpotential
https://w3id.org/h2kg/hydrogen-ontology#Overpotential
A property denoting overpotential and determined in MEAPolarization, Linear Sweep Voltammetry, and Electrochemical Reaction Simulation.
Oxygen Gain/Loss Measurement
https://w3id.org/h2kg/hydrogen-ontology#OxygenGainLossMeasurement
A measurement process that uses oxygen Gain/Loss measurement to determine Local Oxygen Transport Resistance, Limiting Current Density, and Local Gas Transport Resistance using Fuel Cell Test Station and Gas Humidifica...
Peak Potential
https://w3id.org/h2kg/hydrogen-ontology#PeakPotential
A property denoting peak potential and determined in Square Wave Voltammetry, Cyclic Voltammetry, and Cathodic Stripping Voltammetry.
Precursor Concentration
https://w3id.org/h2kg/hydrogen-ontology#PrecursorConcentration
A parameter specifying precursor concentration used to characterize Catalyst Impregnation, Catalyst Ink Preparation, and Dip Coating Process.
Precursor Solution
https://w3id.org/h2kg/hydrogen-ontology#PrecursorSolution
A material entity corresponding to a precursor solution and used as an input in Catalyst Impregnation.
Protonated Membrane
https://w3id.org/h2kg/hydrogen-ontology#ProtonatedMembrane
A material entity corresponding to a protonated membrane and used as an input in MEAAssembly Process.
Pt Mass
https://w3id.org/h2kg/hydrogen-ontology#PtMass
A normalization basis corresponding to pt mass and used as the reference basis for reporting quantitative results or properties.
RRDE Assembly
https://w3id.org/h2kg/hydrogen-ontology#RRDEAssembly
An instrument corresponding to a rotating ring-disk electrode assembly and used in rotating ring-disk voltammetry and related electrochemical measurements.
Ring Collection Efficiency
https://w3id.org/h2kg/hydrogen-ontology#RingCollectionEfficiency
A parameter specifying ring collection efficiency used to characterize Rotating Ring Disk Voltammetry.
Rotation Rate
https://w3id.org/h2kg/hydrogen-ontology#RotationRate
A parameter specifying rotation rate used to characterize Electrochemical Impedance Spectroscopy Potentiostatic, Rotating Ring Disk Voltammetry, and Cyclic Voltammetry.
SCE
https://w3id.org/h2kg/hydrogen-ontology#SCE
An instrument corresponding to a saturated calomel electrode and used as a reference electrode in electrochemical measurements.
Solid Content Fraction
https://w3id.org/h2kg/hydrogen-ontology#SolidContentFraction
A parameter specifying solid content fraction used to characterize Catalyst Ink Preparation, Dynamic Light Scattering Measurement, and Rheology Measurement.
Sonication Power
https://w3id.org/h2kg/hydrogen-ontology#SonicationPower
A parameter specifying sonication power used to characterize Ink Ultrasonication, Ultrasonic Liquid Exfoliation, and Ultrasonic Deposition Process.
Sonication Time
https://w3id.org/h2kg/hydrogen-ontology#SonicationTime
A parameter specifying sonication time used to characterize Catalyst Ink Preparation, Ink Ultrasonication, and Analytical Centrifuge Sedimentation Measurement.
Spray Coating
https://w3id.org/h2kg/hydrogen-ontology#SprayCoating
Robotic spray deposition of ink in multiple passes onto heated substrate to evaporate solvent between passes.
Square Wave Voltammetry
https://w3id.org/h2kg/hydrogen-ontology#SquareWaveVoltammetry
A measurement process that uses square wave voltammetry to determine Peak Current and Peak Potential using Electrochemical Workstation and generating Experiment Dataset.
Stirring Time
https://w3id.org/h2kg/hydrogen-ontology#StirringTime
A parameter specifying duration of stirring during synthesis/sol-gel modification.
Tafel Slope
https://w3id.org/h2kg/hydrogen-ontology#TafelSlope
A property denoting tafel slope and determined in MEAPolarization, Linear Sweep Voltammetry, and Tafel Slope Step Analysis.
Through-Plane Gas Transport Measurement
https://w3id.org/h2kg/hydrogen-ontology#ThroughPlaneGasTransportMeasurement
A measurement process that uses Through-Plane gas transport measurement to determine Local Oxygen Transport Resistance, Effective Oxygen Diffusion Coefficient, and Mass Transport Resistance using Through-Plane Transpo...
Through-Plane Transport Cell
https://w3id.org/h2kg/hydrogen-ontology#ThroughPlaneTransportCell
An instrument corresponding to a Through-Plane transport cell and used in Through-Plane Gas Transport Measurement and Through Plane Thermal Conductivity Measurement.
Water Uptake Indicator
https://w3id.org/h2kg/hydrogen-ontology#WaterUptakeIndicator
A property denoting water uptake indicator and determined in Water Vapor Adsorption Measurement, Literature Review Synthesis, and Molecular Dynamics Simulation.