Proton-exchange membrane fuel cells (PEMFCs) are regarded as promising alternatives to internal combustion engines (ICEs) reduce pollution. Recent research on PEMFCs focuses achieving higher power densities, reducing the refueling time, mitigating final price, and decreasing degradations, facilitate commercialization of hydrogen mobility. The design bipolar plates compression kits, in addition ...

One of the major challenges in the production of economical polymer electrolyte membrane (PEM) fuel cells for automotive applications is the development of materials for the generation of bipolar plates which meet all the property requirements and can be readily manufactured to impart fine channels for transporting hydrogen and oxygen. Bipolar plates can be made from various materials with the ...

The focus of this research is to investigate the potential of using exfoliated graphene nanoplatelets, GNP, as the multifunctional reinforcement in fabricating polymer/GNP nanocomposites and then explore their prospective applications in bipolar plates for polymer electrolyte membrane (PEM) fuel cells. Firstly, high density polyethylene (HDPE)/GNP nanocomposites were fabricated using the conven...

Bipolar plates are one of the key components vanadium redox flow batteries. They electrically conduct and physically separate adjacent cells in series provide structural support to stack. exposed harsh conditions due acidic electrolyte high potential differences which occur Therefore, material needs fulfil good electrical conductivity, sufficient impermeability mechanical stability as well long...

an analytical model is proposed and an analysis is conducted for solid oxide fuel cells with goals of higher power densities. the analytical model is designed to help optimize the size, spacing, and geome-trical shapes of current collectors. the model fully considers the ohmic, species concentration, and activa-tion polarizations. from the analysis of several cases, it is recommended that 3d pi...

In this study, 3D-printed polymer bipolar plates were fabricated and applied to the electrolyte membrane fuel cells (PEMFCs). order overcome poor electronic conductivity of plates, silver current collecting layers deposited using a sputter process. Influences thickness layer carefully investigated optimize thickness. Using process, successfully without clear evidence defects. Additionally, incr...

The stainless steel bipolar plate has received much attention due to the cost of graphite bipolar plates. Since the micro-channel of bipolar plates plays the role of fuel flow field, electric connector and fuel sealing, an investigation of the deep drawing process for stainless steel micro-channel arrays is reported in this work. The updated Lagrangian formulation, degenerated shell finite elem...