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gptkbp:instanceOf
|
Electrolyser
|
|
gptkbp:advantage
|
Low cost
Slower response time
Long lifetime
Lower current density
Sensitive to impurities
|
|
gptkbp:alternativeTo
|
gptkb:PEM_Electrolyser
Solid Oxide Electrolyser
|
|
gptkbp:anodeMaterial
|
Nickel
|
|
gptkbp:application
|
Renewable energy storage
Power-to-gas
Industrial hydrogen production
|
|
gptkbp:cathodeMaterial
|
Nickel
|
|
gptkbp:cellVoltage
|
1.8-2.4 V
|
|
gptkbp:commercialUse
|
1890s
|
|
gptkbp:commonElectrolyte
|
gptkb:Potassium_hydroxide
gptkb:Sodium_hydroxide
|
|
gptkbp:developmentType
|
Commercially available
|
|
gptkbp:effect
|
60-80%
|
|
gptkbp:electrolyteType
|
Alkaline solution
|
|
gptkbp:environmentalImpact
|
Depends on electricity source
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Alkaline Electrolyser
|
|
gptkbp:hydrogenPurity
|
99.5-99.9%
|
|
gptkbp:lifespan
|
>60,000 hours
|
|
gptkbp:location
|
Worldwide
|
|
gptkbp:maintenance
|
Low
|
|
gptkbp:market
|
Largest among electrolysers (as of 2023)
|
|
gptkbp:membraneType
|
Diaphragm
|
|
gptkbp:minimumPressure
|
1-30 bar
|
|
gptkbp:notableBrand
|
gptkb:Cummins
gptkb:Thyssenkrupp
Hydrogenics
McPhy
NEL Hydrogen
|
|
gptkbp:notRecommendedFor
|
Dynamic operation
|
|
gptkbp:operatingSystem
|
60-80°C
|
|
gptkbp:powerSource
|
Electricity
|
|
gptkbp:product
|
gptkb:Oxygen
gptkb:Hydrogen
|
|
gptkbp:reactionEquation
|
2H2O(l) + 2e- → H2(g) + 2OH-(aq) (cathode)
2OH-(aq) → 1/2O2(g) + H2O(l) + 2e- (anode)
|
|
gptkbp:safetyConsideration
|
Corrosive electrolyte
Hydrogen handling
|
|
gptkbp:size
|
High
|
|
gptkbp:stackConfiguration
|
Modular
|
|
gptkbp:suitableFor
|
Large-scale hydrogen production
|
|
gptkbp:technology
|
Mature
|
|
gptkbp:usedFor
|
Hydrogen production
|
|
gptkbp:bfsParent
|
gptkb:AEM_Electrolyser
|
|
gptkbp:bfsLayer
|
8
|