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PEM Electrolysis Stacks

PEM Electrolysis Stacks - Static Vapor Feed Electrolyzer (SVFE)

Giner, Inc.

  • Proton-exchange-membrane electrolysis cell stack
  • Produces low-humidity, high-purity gaseous hydrogen and oxygen
  • Static vapor-feed architecture
  • Uses Giner Water Management Membrane (WaMM™)
  • Dead-ended water-feed operation
  • Bipolar stack configuration
  • No liquid-water circulation to the anode or cathode
  • No phase separators required at hydrogen or oxygen outlets
  • No water-delivery pump required
  • Single test article reported at more than 43,000 operating hours

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Description Vendor

Giner Labs Static Vapor Feed Electrolyzer (SVFE) is a proton-exchange-membrane electrolysis cell stack that converts water into low-humidity, high-purity gaseous hydrogen and oxygen. Unlike conventional electrolyzers, the SVFE does not circulate liquid water to either electrode and instead uses Giner's Water Management Membrane (WaMM™) to transport water into the hydrogen compartment through a concentration gradient. The dead-ended water-feed and bipolar-stack configuration removes the need for phase separators at the oxygen and hydrogen outlets and eliminates the water-delivery pump. Giner reports more than 43,000 hours of continuous day/night cycling on a single test article, supporting applications where compactness, reliability and reduced balance-of-plant complexity are important.

Use Cases

  • Hydrogen and oxygen generation
  • Aerospace electrolysis systems
  • Life-support oxygen production
  • Compact PEM electrolysis applications
  • Applications requiring reduced balance-of-plant complexity

Capabilities

  • Electrolyzes water to generate gaseous hydrogen and oxygen
  • Generates low-humidity product gases
  • Reduces supporting balance-of-plant components
  • Transports feed water through the WaMM™ using a concentration gradient
  • Supports long-duration cyclic operation
Giner, Inc. Giner, Inc., operating under the Giner Labs brand, designs and manufactures membrane electrode assemblies for PEM fuel cell and electrolyzer applications. Its MEA portfolio includes 3-layer, 4-layer, 5-layer, and 7-layer configurations, manufactured at small and large scales. Giner supplies MEAs according to standard or custom specifications for both commercial products and R&D applications. The company also provides MEA development and characterization capabilities for fuel cell and electrolyzer technologies.
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