Modified Titanium Bipolar Plates for Fuel Cell Vehicles

Patent number:
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Bipolar plate of a proton-exchange membrane fuel cell made up of titanium, titanium alloys or any combination thereof comprising a porous titanium material, titanium alloys or any combination thereof and which is completely covered by a titanium nitride coating. In addition, the present invention relates to two methods of manufacturing said bipolar plate by means of metallurgical techniques, the use of space holders, sintering and gas nitriding. Therefore, the present invention is of interest to the industry dedicated to the manufacture of fuel cells.

Countries:
Spain
Regions:
Community of Madrid
Centers:
UNIVERSIDAD CARLOS III DE MADRID
Other entities:
Sectors:
Automotive & Rail
Subsectors:
Materials, metallurgy
TRL Level:
TRL 3 – experimental proof of concept
BRL Level:
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Sustainable Development Goal:
Applications

Aplicación a la fabricación de las placas bipolares de los vehículos de pila de combustible (sector automoción) - Reducción de un 30-40% del peso de la pila de combustible. - Mayor eficiencia. - Reduce costes en el transporte debido a la reducción de peso. - Tratamiento de bajo coste que evita la corrosión y mejora la conductividad. - Mayor durabilidad y menor degradación.

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