PEMFC Graphite Separator Plate

PEMFC Graphite Separator Plate is a precision-machined graphite component used as a bipolar plate in proton exchange membrane fuel cell (PEMFC) stacks. 

Stable Electrical Conductivity
Isostatic graphite provides consistent electrical conductivity, supporting efficient current transfer inside fuel cell stacks.
Stable Thermal Conductivity
High thermal conductivity helps maintain uniform heat distribution and stable temperature control during fuel cell operation.
Acid Corrosion Resistance
High chemical stability supports reliable operation in acidic and humid PEMFC environments.
Low Gas Permeability
Dense graphite structure helps reduce hydrogen and oxygen crossover between fuel cell channels.
Reliable Sealing Performance
Stable graphite structure supports consistent sealing performance during fuel cell stack operation.
Low Thermal Expansion Stability
Low thermal expansion maintains dimensional stability during thermal cycling. 

Proton Exchange Membrane Fuel Cell Stacks
Graphite separator plates function as bipolar plate components, supporting gas distribution and electrical connection between cells.
Hydrogen Fuel Cell Vehicles
Customized graphite separator plates support vehicle fuel cell systems requiring lightweight structures and stable operation.
Stationary Fuel Cell Power Systems
Graphite bipolar plates support stationary fuel cell applications requiring stable conductivity and continuous operation.
Hydrogen Fuel Cell Systems
Graphite separator components provide conductive and corrosion-resistant solutions for hydrogen energy applications. 

Customized Flow Field Design
Supports parallel, serpentine, interdigitated, and customized flow channel designs according to fuel cell stack requirements.
Customized Plate Dimensions
Manufactures separator plates according to customer drawings, including dimensions, thickness, and structural specifications.
Customized Inlet & Outlet Structures
Supports customized gas inlet and outlet layouts to match different stack configurations.
Customized Positioning Structures
Integrates positioning holes, mounting features, and assembly structures for accurate stack alignment. 

Established in 1984, with 40+ years of experience in custom graphite machining and industrial graphite component manufacturing.
200+ employees and 60+ R&D team members supporting material selection, design, and production solutions.
50+ machining machines and CNC capability for precision graphite parts with machining sizes up to 1000 mm.
Custom production based on drawings and specifications to meet different application requirements.
Integrated quality control covering material inspection, machining inspection, and final checks before shipment.
Serving semiconductor, vacuum furnace, photovoltaic, metallurgy, EDM, lithium battery, and diamond tool industries.