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Air-cooled PEMFC (Proton Exchange Membrane Fuel Cell) stacks are lightweight, simple, and ideal power sources for drones, offering over two-hour flight times and superior energy density compared to batteries. Utilizing open-cathode configurations with metallic bipolar plates, these stacks enable high-power, long-endurance missions, suitable for heavy-lift and cargo drones.

Design & Weight: Air-cooled stacks often use open-cathode configurations for cooling, reducing balance-of-plant weight. Replacing graphite with stamped metallic bipolar plates reduces stack weight by roughly 31% to 50%, allowing for higher power densities.
Performance: A kW-level stack can achieve ~1.4 kW @ 40 V, allowing for >70 minute endurance.
Thermal Management: The stack operating temperature should ideally stay below
$60 raised to the composed with power C$
.
Altitude Adaptation: While performance degrades by roughly 20% at 3000 m due to lower oxygen pressure, air stoichiometry adjustments can maintain stability.

Altitude Performance: Increased air stoichiometry (higher fan power) is required at high altitudes to manage heat and improve air supply.
Thermal Control: High-efficiency cooling is required to prevent degradation from high operating temperatures.
Operational Optimization: Utilizing a "dead-end anode" (DEA) mode with periodic hydrogen purging ensures a high utilization rate (up to 98%).

Comparative study on air-cooled fuel cell stacks with metal and ...
The air-cooled PEMFC stack is designed using the open-cathode configuration with only two chambers for anode and cathode, respecti...
ScienceDirect.com
Modeling and dynamic characteristic simulation of air-cooled proton ...
Preparation and application of a kW-level air-cooled PEMFC stack ...
Jun 18, 2025 — Abstract. Proton exchange membrane fuel cells, as high-energy-density and low-emission energy devices, are considered as an import...
ScienceDirect.com

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Comparative study on air-cooled fuel cell stacks with metal ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by C Yin2024Cited by 26 — Highlights · 3 kW air-cooled metal and graphite PEMFC stacks are designed for UAVs. · Metal and graphite stacks reach power density of 1189 W/kg and 792 W/kg.Read more

500W Air Cooled Hydrogen Fuel Cell Stack

Hefei Sinopower Technologies Co., Ltd.

https://www.hfsinopower.com › Fuel Cell

Hefei Sinopower Technologies Co., Ltd.

https://www.hfsinopower.com › Fuel Cell

A PEM fuel cell generates power without producing pollution or carbon emission. Brand : Rubri. Rated output power : 500W. DC/DC converter :.Read more

PEM Fuel Cells for Drones, UAVs, and Robotics

Fuel Cell Store

https://www.fuelcellstore.com › uav-fuel-cell-stacks

Fuel Cell Store

https://www.fuelcellstore.com › uav-fuel-cell-stacks

440 Watts Liquid Cooled PEM Fuel Cell Stack. Lead times of 4-6 weeks are to be expected for this product. This liquid cooled stack provides a nom.. $3,970.00.Read more

1-day delivery

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Drone hydrogen fuel cell powerpack

Mission Innovation

https://mission-innovation.net › our-work › drone-hydro...

Mission Innovation

https://mission-innovation.net › our-work › drone-hydro...

This initiative aims to develop a hydrogen fuel cell power pack to increase air time while also cutting the downtime for charging between flights. Innovation.Read more

3000W Air Cooling Fuel Cell Stack for UAV

Ningbo VET Energy Technology Co., Ltd

https://www.china-vet.com › 3000w-air-cooling-fuel-ce...

Ningbo VET Energy Technology Co., Ltd

https://www.china-vet.com › 3000w-air-cooling-fuel-ce...

Our drone Fuel Cell Power Modules (FCPMs) are ideal for a wide range of professional commercial applications, including offshore inspection, search and rescue, ...Read more

Development of an Elaborated Fuel Cell Stack Model for ...

ASME Digital Collection

https://asmedigitalcollection.asme.org › IMECE2023

ASME Digital Collection

https://asmedigitalcollection.asme.org › IMECE2023

by J Woo2023Cited by 1 — Typically, the fuel cell system of small drone is equipped with air cooled fuel cell system but the large payload of cargo drone requires liquid ...Read more

Improving Water Management and Performance of an Air ...

IOPscience

https://iopscience.iop.org › article

IOPscience

https://iopscience.iop.org › article

by N Lee2021Cited by 19 — We present a high-pressure air-cooled fuel cell system in which atmospheric air is pre-compressed by a compressor and then fed into the fuel cell stack.Read more

PEM Fuel Cells for Drones, UAV | Intelligent Energy

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › intelli...

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › intelli...

Our drone fuel cells are air-cooled, with heat from the fuel cell stack conducted to cooling plates and removed through airflow channels, resulting in a ...Read more

How much do you know about the 2700W air-cooled ...

Quora

1 answer · 1 year ago

Quora

1 answer · 1 year ago

How much do you know about the 2700W air-cooled hydrogen fuel cell stack for UAV? ... PEM fuel cell cars are not just a fad, they are here ...Read more

Preparation and application of a kW-level air-cooled ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by Y Li2025Cited by 9 — In this study, a kW-level air-cooled PEMFC stack with titanium bipolar plates was prepared and used in UAV application. Through the ...Read more

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