Bipolar Plate for AEM Electrolyzer-Bipolar Plate for AEM Electrolyzer-Titanium anode，titanium electrode, YIANTENG SPECIAL ANODES

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Bipolar Plate for AEM Electrolyzer

Precision-etched and nickel-plated steel bipolar plates engineered for efficient current collection, alkaline corrosion resistance, reliable sealing and long-term AEM operation.

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One plate.
One coordinated route.

50–80 μm

Nickel coating

Carbon /
stainless

Steel substrates

Etching + CNC

Flow-field manufacturing

Essential to AEM stack operation.

Current collection and distribution

Connects adjacent cells and distributes current across the active area to support stable electrochemical performance throughout the stack.

Water and gas management

Engineered flow fields guide water through the active area and support efficient removal of hydrogen and oxygen from the reaction zones.

Structural support and surface protection

The steel plate supports stack clamping and sealing, while the nickel-plated surface provides conductive corrosion protection in alkaline operating conditions.

How the routes compare.

An at-a-glance process comparison for thin, evolving AEM flow fields.

Engineering factor	YIANTENG etching	Stamping	Full CNC
Design changes	Update a digital phototool	Rework or replace the hard die	Revise program, fixture and toolpath
Prototype validation	Multiple variants can share one sheet	Production tooling precedes first parts	Each variant needs machining setup
Edge and stress	Burr- and stress-free	Burrs and cutting stress may occur	Tool marks; deburring may be needed
Complex flow fields	All channels etched simultaneously	Complexity moves into die design	Features machined path by path
Cost profile	Low tooling; complexity has limited time impact	Higher upfront tooling; strong at stable high volume	Cost rises with setup and toolpath time