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Bipolar Plates

A Bipolar plate is a multi-functional component within the PEM fuel cell stack. It connects and separates the individual fuel cells in series to form a fuel cell stack with required voltage, aids uniform distribution of fuel gas and oxygen over the whole active surface area of the membrane-electrode assemblies (MEA), conducts electrical current from the anode of one cell to the cathode of the next, facilitates water management within the cell, supports thin membrane and electrodes and clamping forces for the stack assembly, among other things.

Essentially the bipolar plates are the electrically-conducting plates which join together the anode of one cell to the cathode of another.

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Flex-Stak BiPolar Graphite Plate - 10 cm²
10 cm2 Bi-Polar Graphite plate suitable for small Hydrogen / Air Fuel Cells and Methanol Fue..
$37.50

Fuel Cell Grade Graphite Bipolar Plate, 4" x 4" x 5mm
Fuel Cell Grade Graphite Bipolar Plates can be machined on both sides to be used as bi-polar plat..
$55.00

Impervious Bipolar Graphite Plates, 12" x 12"
Fuel Cell Grade Graphite Bipolar Plates can be machined on both sides to be used as bi-polar plat..
From $214.00