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Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel cell being developed mainly for transport applications, as well as for stationary fuel-cell applications and portable fuel-cell applications. Their distinguishing features include lower temperature/pressure ranges (50 to ...
Electro-chemical reaction Diagram of PEM MEA. A membrane electrode assembly (MEA) is an assembled stack of proton-exchange membranes (PEM) or alkali anion exchange membrane (AAEM), catalyst and flat plate electrode used in fuel cells and electrolyzers. [1] [2]
No water management for humidification of the membrane is needed compared to LT-PEM fuel cell. [9]Waste heat of the stack (130 to 180 °C) can be used making combined heat and power (CHP) possible for further usage of the heat in contrast to LT-PEM fuel cell which has too low waste heat temperature below 80 °C.
Proton exchange membrane (PEM) electrolysis is the electrolysis of water in a cell equipped with a solid polymer electrolyte (SPE) [3] that is responsible for the conduction of protons, separation of product gases, and electrical insulation of the electrodes. The PEM electrolyzer was introduced to overcome the issues of partial load, low ...
Fuel cells are classified by the type of electrolyte they use and by the difference in start-up time ranging from 1 second for proton-exchange membrane fuel cells (PEM fuel cells, or PEMFC) to 10 minutes for solid oxide fuel cells (SOFC). A related technology is flow batteries, in which the fuel can be regenerated by recharging.
The origins of Intelligent Energy began at Loughborough University in the UK during the late 1980s, [1] when the University became one of Europe's first research and development centres for proton-exchange membrane (PEM) fuel cell technology. In 1995, the UK's first kW-level PEM fuel cell stack was produced by the R&D team
Ballard Power Systems makes hydrogen fuel cells for automobiles. The Canadian company also manufactures proton exchange membrane fuel cell products. On Jan. 11, Raymond James analyst Michael Glen ...
Early PEM fuel cell applications were focused within the aerospace industry. The then-higher capacity of fuel cells compared to batteries made them ideal as NASA's Project Gemini began to target longer duration space missions than had previously been attempted. [9] As of 2008, the automotive industry as well as personal and public power ...
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