Increasing demand for green hydrogen is key to driving investment in commercially viable solutions for large scale production, distribution, and storage of clean hydrogen.
At the vehicle level, this requires substantial reduction in the cost of the key components used in PEM based hydrogen fuel cells and electrolyzers as well increasing performance and long term durability.
To start, Clenersys seeks to address the issue of corrosion of metallic bipolar plates (BPP) in PEM fuel cells which reduces performance, lifetime and increases system downtime, maintenance cost and overall total cost of ownership (TCO). Bipolar plates (BPPs) are a crucial component in PEM Fuel Cell Stacks. They represent 80% of its weight, 50% of its volume, and 30% of its cost
CORE™: The elegance of Steel Combined with the Durability of Carbon
PROBLEM: Bipolar plates constitute about a fourth of the cost of a PEM fuel cell stack. Incumbent technologies - like machined graphite, carbon composites, and physical vapor deposited nitride or gold coated metals - face performance gaps or high manufacturing costs.
SOLUTION: Clenersys innovation, CORE™ addresses this problem by combining the low-cost manufacturing advantages of stamped steel with the proven electrochemistry and high durability of a nanostructured carbon coating.
At the heart of CORE™ is an ultrathin layer of single walled carbon nanotubes (SWCNT) on a metallic stainless steal substrate. CORE™ takes advantage of the unique electrical and chemical properties offered by these anti-corrosive carbon coatings.
High Performance Proton Conductive Membrane– PRIME™
PROBLEM: Increasing the power density at a given cell voltage, through improved membrane performance is important for automotive PEM stacks. Polymer based proton conductive membrane technologies have evolved over the years to meet the stringent performance requirements over a wider range of humidity and temperatures. Yet, there is a continued need for improving the performance in terms of power density, mechanical failure, swelling, pinholes and dry outs.
SOLUTION: Clenersys’ patented innovation PRIME™ employs a unique polymer network for enabling proton conduction while preserving electronic insulation. The membrane, built on the principles of proven filled solid acid filled systems overcomes their major limitation of degradation due to leaching.
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