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Manufacturing Competitiveness Analysis for PEM and ...
CEMAC Clean Energy Manufacturing Analysis Center 1 Manufacturing Competitiveness Analysis for PEM and alkaline Water Electrolysis SystemsMark Ruth (Presenter),Ahmad Mayyas, and Maggie Mann National Renewable Energy LaboratoryFuel Cell Seminar and Energy Expo11/08/2017 CEMAC Clean Energy Manufacturing Analysis Center 2 AgendaIntroductionPEM Electrolyzer - Functional Specs & System DesignAlkaline - Functional Specs & System DesignCost Analysis for PEM and alkaline ElectrolyzerConcluding Clean Energy Manufacturing Analysis Center 3 IntroductionICEMAC Clean Energy Manufacturing Analysis Center 4 Motivation: Infrastructure for Vehicles 2020 sales/production estimate >30,000 FCEVs 2030 sales/production estimates >250,000 FCEVs on roads Is hydrogen infrastructure ready to support this number of FCEVs? Source: UkH2 MobilityCEMAC Clean Energy Manufacturing Analysis Center 5 Comparison between PEM and alkaline ElectrolyzersCharacteristicsAlkalinePEMU nitNotesCurrent - - Temperature60 8050 84 CElectricity Consumption(Median)50 73 (53)47 73 (52)kWh/kg-H2 Electrolysis system only.
• Alkaline water electrolyzers have lower current and power densities, but have lower initial cost (per kW basis) • PEM electrolyzers. may. have lower stack cost in ($ per Nm. 3 /hr) • Good similarities in manufacturing processes for PEM and alkaline electrolysis (e.g., membrane casting, plates stamping & coating, end plates, stack ...
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