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    AI Overview
    Hydrogen Circulation Pump Hcp30 Hydogen Pump for Fuel Cell ...
    Scroll Recirculation Pump for Fuel Cell | Air Squared Scroll ...
    Fuel Cell Hydrogen Recirculation Pump - Air Squared Scroll ...
    Good Performance Hydrogen Recirculation Pump for Hydrogen ...
    High Efficient Hydrogen Circulation Pump Hydrogen Fuel Cell ...
    View all
    Hydrogen circulation pumps are critical components in proton exchange membrane (PEM) fuel cell systems, designed to recirculate unused hydrogen from the anode outlet back to the inlet. This process increases hydrogen utilization efficiency to nearly 100% and improves the overall efficiency and lifespan of the fuel cell stack. 
    Key Functions and Benefits 
    • Increased Efficiency: By recycling unused hydrogen, the pump ensures maximum fuel utilization.
    • Anode Management: It prevents an insufficient supply of hydrogen to the anode during fluctuating power loads.
    • Water Management: The recirculation helps manage the water content in the anode loop.
    • Wide Application: These pumps are utilized in fuel cell vehicles (forklifts, buses, cars), maritime vessels, and stationary power generation. 
    Typical Technical Specifications 
    • Technology: Often uses dry-running, oil-free claw technology, diaphragm technology, or scroll compressors to avoid contamination.
    • Performance: Capable of high flow rates (e.g.,
      100
      lpm
      ) and high-pressure ratios suitable for high-power stacks (
      150
      kW
      +).
    • Compact Design: Designed with small volumes for easy integration in mobility applications.
    • Durability: Targeted for long operation hours (e.g.,
      30
      ,
      000
       hours) to ensure reliability.       
    Common Technologies and Examples 
    • Busch Vacuum: Offers TUV-certified MINK claw recirculation blowers (e.g., MH 0018 A, MH40).
    • KNF: Provides compact diaphragm gas pumps (e.g., N 838.1.2) specifically for hydrogen recirculation.
    • Air Squared: Specializes in semi-hermetic scroll compressors for fuel cell recirculation, such as the
      P16H034Ccap P 16 cap H 034 cap C
      𝑃16𝐻034𝐶
      -BLDC-SH.
    • Hyfindr Products: Lists various high-pressure, large-flow pumps like the DQ20 and DQ60II, designed for 70-200 kW fuel cell systems. 
    These pumps must be highly leak-tight and maintenance-free to handle the explosive nature of hydrogen gas. 
    • Gastight pump for hydrogen recirculation - KNF
      Apr 4, 2023 — Highly leak-tight, maintenance-free KNF diaphragm pump recirculates hydrogen gas. The operating principle of the fuel cell systems...
      KNF Group
    • Certified Hydrogen Fuel Cell Technology | Busch Global
      Our solution for recirculating hydrogen in fuel cells With our MINK MH 0018 A, we offer the first TÜV-certified hydrogen recircula...
      Busch Vacuum Solutions
    • Hydrogen Circulation Pump DQ20 | Hyfindr
      Hydrogen circulation pump designed for 150-200 kW fuel cell system · Small volume · Large flow · High voltage rise · Stable perfor...
      Hyfindr
    • Hydrogen Circulation Pump DQ60II - Hyfindr
      Hydrogen Circulation Pump DQ60II * Hydrogen circulation pump designed for 70-120 kW fuel cell system. * Large flow and high pressu...
      Hyfindr
    • Fuel Cell Hydrogen Recirculation Pump - Air Squared
      Nov 1, 2011 — P16H034C-BLDC-SH semi-hermetic scroll compressor for hydrogen recirculation in mobile fuel cell applications. ... Weighing just 2.
      Air Squared
    • Hydrogen Pumps | KNF
      Hydrogen pumps are used in many industrial sectors to deliver hydrogen to fuel cells. Hydrogen is an explosive gas that can leak e...
      KNF Group
    • Hyfindr Expo Highlights - Hydrogen Recirculation Blowers ...
      Nov 21, 2024 — Busch Vacuum offers MH18 (18 m³/h) and MH40 (40 m³/h) claw compressor blowers for hydrogen recirculation in PEM fuel cell systems.
      YouTube·Hyfindr - Hydrogen & Fuel Cell Technology
      5:09
    • Hydrogen Recirculation System Optimization for PEMFC ...
      May 17, 2023 — Symbio's hydrogen recirculation loop optimization study focuses on durability and efficiency, targeting 72% peak efficiency and 30...
      YouTube·GT-SUITE Gamma Technologies
      2:11
    • Research on the performance characteristics of hydrogen circulation ...
      Jan 2, 2024 — As one of the key equipment of hydrogen supply system, the hydrogen circulation pump (HCP) has a significant impact on improving t...
      ScienceDirect.com
    • Fuel cell electric vehicles: Innovations, challenges, and the path to sustainable mobility
      This methodology not only curtails hydrogen consumption but also prolongs the operational lifespan of the fuel cell stack by mitig...
      ScienceDirect.com
    • Chemical looping induced CH3OH–H2-PEMFC scheme for fuel cell vehicle: Parameter optimization and feasibility analysis
      Dec 15, 2020 — Generally, the hydrogen utilization rate up to 100% and the stack efficiency between 40% and 60% could be obtained if pure hydroge...
      ScienceDirect.com
    • Purge strategy optimization of proton exchange membrane fuel cell with anode recirculation
      Sep 1, 2018 — Compared to the dead-ended anode, anode recirculation is beneficial to reduce the liquid water accumulation in the anode, because ...
      ScienceDirect.com
    • Gastight pump for hydrogen recirculation - KNF
      Apr 4, 2023 — Highly leak-tight, maintenance-free KNF diaphragm pump recirculates hydrogen gas. The operating principle of the fuel cell systems...
      KNF Group
    • Certified Hydrogen Fuel Cell Technology | Busch Global
      Our solution for recirculating hydrogen in fuel cells With our MINK MH 0018 A, we offer the first TÜV-certified hydrogen recircula...
      Busch Vacuum Solutions
    • Hydrogen Circulation Pump DQ20 | Hyfindr
      Hydrogen circulation pump designed for 150-200 kW fuel cell system · Small volume · Large flow · High voltage rise · Stable perfor...
      Hyfindr
    Show all
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    My Ad Center

    Web results

    Hydrogen Pumps


    KNF Group
    https://knf.com › solutions › industries › hydrogen-pumps
    KNF Group
    https://knf.com › solutions › industries › hydrogen-pumps
    KNF offers cutting-edge hydrogen pumps for various applications. This includes hydrogen fuel cell vehicles, backup power generation and hydrogen handling.

    Hydrogen Circulation Pump DQ20


    Hyfindr
    https://hyfindr.com › ... › Hydrogen Pumps
    Hyfindr
    https://hyfindr.com › ... › Hydrogen Pumps
    Hydrogen circulation pump designed for 150-200 kW fuel cell system · Small volume · Large flow · High voltage rise · Stable performance.Read more

    Anode recirculation blower


    Bosch Mobility
    https://www.bosch-mobility.com › fuel-cell-electric › a...
    Bosch Mobility
    https://www.bosch-mobility.com › fuel-cell-electric › a...
    For the hydrogen circuit in the anode path of a fuel cell system. The anode recirculation blower is a key component in the hydrogen path of a fuel cell system.Read more

    Fuel Cell Technology


    Micropump
    https://micropump.com › Solutions
    Micropump
    https://micropump.com › Solutions
    Micropump pumps have been integral components of systems from hydrogen generation technology to fuel cell systems for transportation, residential power, back-up ...Read more

    Hydrogen Recirculation - Air Squared Scroll Technology


    Air Squared
    https://airsquared.com › Clean Energy › Fuel Cell
    Air Squared
    https://airsquared.com › Clean Energy › Fuel Cell
    Semi-Hermetic and Oil-Free Scroll Compressors for Fuel Cell Scroll Technology for Hydrogen Recirculation. Air Squared has over thirty years of experience ...Read more

    Certified Hydrogen Fuel Cell Technology


    Busch Vacuum Solutions
    https://www.buschvacuum.com › ... › Industries
    Busch Vacuum Solutions
    https://www.buschvacuum.com › ... › Industries
    Busch hydrogen recirculation blowers have been specially developed for the reliable recirculation of hydrogen in fuel cells.
    Missing: Circulation ‎| Show results with: Circulation

    Fuel Cell Hydrogen Circulation Pump DQ60


    dondelhee.com
    http://dondelhee.com › products_detail
    dondelhee.com
    http://dondelhee.com › products_detail
    Product Features. ○ Small size and light weight;. ○ Low noise and no vibration;. ○ The inherent design of the product and the setting of the control logic ...Read more
    Videos
    KNF recirculation pumps for efficient fuel cell operation
    YouTube · KNF Neuberger GmbH
    Sep 5, 2023
    YouTube · KNF Neuberger GmbH
    1:48
    KNF recirculation pumps are hydrogen gas-tight and can have a flow rate of up to 60 L/min at up to 7 bar overpressure.
    KNF Neuberger GmbH
    YouTube·
    Sep 5, 2023

    KNF recirculation pumps for efficient fuel cell operation

    YouTube·KNF Neuberger GmbH·Sep 5, 2023
    YouTube
    Hyfindr Expo Highlights - Hydrogen Recirculation Blowers ...
    YouTube · Hyfindr - Hydrogen & Fuel Cell Technology
    Nov 21, 2024
    YouTube · Hyfindr - Hydrogen & Fuel Cell Technology
    5:09
    Busch Vacuum offers MH18 (18 m³/h) and MH40 (40 m³/h) claw compressor blowers for hydrogen recirculation in PEM fuel cell systems.
    Hyfindr - Hydrogen & Fuel Cell Technology
    YouTube·
    Nov 21, 2024

    Hyfindr Expo Highlights - Hydrogen Recirculation Blowers ...

    YouTube·Hyfindr - Hydrogen & Fuel Cell Technology·Nov 21, 2024
    YouTube
    Hydrogen Recirculation System Optimization for PEMFC ...
    YouTube · GT-SUITE Gamma Technologies
    May 17, 2023
    YouTube · GT-SUITE Gamma Technologies
    2:11
    Symbio's hydrogen recirculation loop optimization study focuses on durability and efficiency, targeting 72% peak efficiency and 30,000-hour durability by 2050.
    GT-SUITE Gamma Technologies
    YouTube·
    May 17, 2023

    Hydrogen Recirculation System Optimization for PEMFC ...

    YouTube·GT-SUITE Gamma Technologies·May 17, 2023
    YouTube
    View all

    Web results

    China 10kw-15kw Fuel Cell Air Hydrogen Circulation ...


    Hfsinopower.com
    https://www.hfsinopower.com › Fuel Cell
    Hfsinopower.com
    https://www.hfsinopower.com › Fuel Cell
    Best Hydrogen Circulation Pump supplier, Offer 10kw-15kw Fuel Cell Air Hydrogen Circulation Pump for many years. Factory price. Custom and OEM/ODM today!

    ZF Presents Hydrogen Recirculation Blower to improve ...


    ZF Press Center
    https://press.zf.com › press › releases › release_75904
    ZF Press Center
    https://press.zf.com › press › releases › release_75904
    Sep 18, 2024 — Designed to optimize hydrogen levels for fuel cell-powered vehicles, ZF's Hydrogen Recirculation Blower recirculates unused hydrogen to improve hydrogen ...Read more

    Fuel Cell Pumps


    Fluid-o-Tech
    https://www.fluidotech.it › technical-insights › focus › f...
    Fluid-o-Tech
    https://www.fluidotech.it › technical-insights › focus › f...
    Our pumps have been developed both to circulate coolant within the system and more importantly to supply the fuel cell with hydrogen. (Read also: Coolant Pump).Read more
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