Thermal interface material

Fuel Cell Bipolar Plates

Solving the Reliability, Weight and Cost of Hydrogen Fuel Cells

ZRT® Bipolar Plates

This product is the first non-metallic bipolar plate that can be formed into the exact same geometry as conventional stamped metallic bipolar plates.

This enables 1-for-1 substitution in metallic bipolar plate-based fuel cell stack designs, with the added benefits of eliminating metal ion contamination from corrosion and 60% reduction in component weight.

High-purity carbon fibers are vertically aligned using Boston Materials’ patented Z-axis Fiber™ technology and embedded within an engineered thermoplastic matrix. This material is then stamped into half plates, which are then bonded together to yield a bipolar plate.

Boston Materials has overcome the fundamental material and processing challenges with forming thin walled, thermally and electrically conductive, non-metallic components.

Long-term durability: Non-metallic composition eliminates the risk of corrosion and metal contamination of the fuel cell stack, which lead to premature degradation and failure

ZRT Bipolar Plates

Frequently Asked Questions

Boston Materials is actively developing a reference bipolar plate design with stack-level performance characteristics. This data will be published in the future.

No – Boston Materials only sells fully-bonded bipolar plates (and half plates, in certain cases). The raw materials used to produce ZRT® Bipolar Plates are not sold.

Boston Materials prioritizes programs related to the continuous improvement of fuel cell stacks already in production, and new generation designs that target heavy-duty vehicle applications.

Interested parties will need facilities to perform full-stack testing and plate-level characterizations (ASR, leak check, deflection under compression, etc.)

Haven’t Found What You Are Looking For?

Patented Z-axis Fiber Technology

Boston Materials uses vertically aligned carbon fiber to create materials with optimal energy transfer
properties – including thermal, electrical, and mechanical 

Conventional Composites

Inefficient energy dissipation

Boston Materials Z-Axis Fiber™

Highly efficient energy dissipation

Empowering Industries
with Z-axis FiberTM

Solving key problems relating to thermal management,
electrification, and lightweighting across high-growth industries

Electrified vehicles


Hot AI race needs cool chips

Electrified vehicles

Electrified Vehicles

Journey to 100% electrification



Sky-high expectations for airplanes


Advanced, High Performance Solutions

Ready to Go Beyond Limits?

Thermal Interface Materials

Thermal Interface

Solves the performance and reliability issues of advanced semiconductors for computing, telecom, and power applications

Composite Materials


Solves the durability and manufacturing issues of advanced composite materials for lightweight vehicles.