Materials & products

Advanced Composite Solutions for Electrochemical Systems

At HYCCO, we engineer high-performance composite materials designed to improve the efficiency, durability, and reliability of next-generation energy systems. Our lightweight bipolar plate substrates combine exceptional conductivity, chemical resistance, and mechanical stability, tailored for LT-PEM, HT-PEM, Redox Flow Batteries, Electrolyzers, and beyond.

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LT-200+

Optimized for Low-Temperature PEMFC Applications

An ultra-thin 170µm constant web thicknessthin, composite plate designed for high performance mobility PEM fuel cells applications operating under 120 °C. LT-200+ combines low electrical resistance, high mechanical strength, and outstanding chemical stability, ensuring reliable performance even in harsh electrochemical environments.

Key Advantages

Specifically engineered for LT-PEM fuel cells

Nominal thickness: 0.17 mm
+ enables compact stack designs
Areal specific resistance (ASR):
< 5 mΩ·cm²
+ ensures high efficiency
Thermal conductivity: 9.4 W·m⁻¹·K⁻¹
+ effective heat management

Stable operation up to 120 °C
Superior resistance to aggressive chemicals

Download the LT-200+ Datasheet

HT-200+

Versatile Solution for HT-PEMFC, VRFB, Organic Chemistry & Electrolyzers

HT-200+ is a lightweight, chemically robust material designed for systems operating in the most demanding environments up to 200 °C. Ideal for high-temperature fuel cells, vanadium redox flow batteries, and PEM electrolyzers, it ensures long-term durability without compromising efficiency.

Key Advantages

Reliable performance at operating temps up to 200 °C
Nominal thickness: 0.23 mm
+ maintains strength with minimal weight
ASR: < 7 mΩ·cm²
+ supports high-power applications

Thermal conductivity: 4.3 W·m⁻¹·K⁻¹
+ balanced heat control
Exceptional acid & chemical compatibility
+ long system lifetime
Ultra-lightweight
+ ideal for mobility and space-constrained systems

Download the HT-200+ Datasheet

Material Comparison Table

	LT-200+	HT200+
Target Applications	LT-PEMFC (Mobility, Stationary)	HT-PEMFC, VRFB, PEM Electrolyzers, Chemistry
Operating Temp. Max	120 °C	200 °C
Nominal Thickness	0.26 mm	0.23 mm
Areal Specific Resistance (ASR)	< 5 mΩ·cm²	< 7 mΩ·cm²
In-plane Thermal Conductivity	9.4 W·m⁻¹·K⁻¹	4.3 W·m⁻¹·K⁻¹
Hydrogen Permeability	< 3 × 10⁻⁵ mol/s/m²/MPa	< 3 × 10⁻⁵ mol/s/m²/MPa
Density	1.83 g/cm³	1.83 g/cm³
In-plane Thermal Conductivity

Membrane Electrode Assemblies (MEAs)

High-Performance MEAs, Matched to Your System

At HYCCO, we don’t just engineer advanced bipolar plates, we help you access the right MEAs for your performance, durability, and integration needs. Leveraging our strong network across the hydrogen and fuel cell supply chain, we guide you to the optimal technology partner and ensure seamless compatibility with our composite substrates.