Membrane Electrode Assemblies

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Membrane Electrode Assemblies Bing Energy specializes in membrane electrode assemblies (MEAs) for proton exchange membrane fuel cells. BEI standard MEAs are made with our patent-applied-for carbon nanotube “buckypaper” cathode/anode technology in 5 or 7-layer configurations. Fabrication of carbon nanotube buckypaper in a gradient structure improves gas flows and effectiveness of catalyst utilization and provides a more durable structure.

A variety of membranes and materials are available and MEAs are custom fabricated to suit customer size, specifications, and operating conditions. Please contact us for further information or a quotation.

Key Features ▪▪ Buckypaper structure ▪▪ High power density ▪▪ Improved durability ▪▪ Reduced platinum loading ▪▪ High volume manufacturing

Headquarters, R&D Manufacturing: Tallahassee, Florida, USA International Manufacturing Facility: Rugao, Jiangsu, China

Standard Samples Active Area

16 cm2

50 cm2

Dimensions

4 x 4 cm

7.1 x 7.1 cm

Bing Energy International LLC 2051 E. Paul Dirac Drive, Tallahassee, FL 32310 T 850.597.7431 F 850.597.7462 www.bingenergyinc.com - [email protected]

© Bing Energy International LLC 2013. All Rights Reserved.

Bing Energy buckypaper MEA Power Density

Wet, Low Pressure

Dry, High Pressure

All specifications and data contained in this brochure are based on the latest product information available at the time of printing. Bing Energy reserves the right to make changes in materials and specifications at any time without notice. © Bing Energy International LLC 2013. All Rights Reserved.

Wet, Ambient Pressure

Bing Energy MEA Durability U.S. Department of Energy Cell Component Accelerated Stress Test Protocols for PEM Fuel Cells

Electrocatalyst Cycle (30K cycles)

Catalyst Support Cycle (400 hrs)

Characteristic

Units

Catalytic Mass Activity

% loss of initial activity

Polarization Curve

mV loss at 0.8 A/cm2

Electrochemical Surface Area

% loss of initial ECSA

Catalytic Mass Activity

% loss of initial activity

Electrochemical Surface Area

% loss of initial ECSA

Using nanotechnology to build a dramatically better PEM fuel cell.

DOE 2017 Targets

BEI MEA