The 21st century has been characterized by considerable changes in the way
we understand and use
energy. The recent Paris Conference has seen a unanimous convergence of the
countries that are committed to reducing the use of fossil fuels. It will
undoubtedly have an impact on the strategies that will be implemented in the
energy sector over the next few decades. The Conference reiterated
the urgency of choices towards decarbonizing energy consumption, in order to
reduce the emissions responsible for the Serra effect, judged the primary
emergency of the system world energy. The information collected in these years indicates that there has been a sharp increase in
demand for heat and electric energy and, despite
a slow decline and depletion, fossil sources still account for about 80% of the
total energy production. Therefore, it is necessary to undertake
actions aimed at “decarbonizing” the energy sectors as well electrical,
thermal and transport, increasing energy efficiency and using renewable energy
sources 1

So, due to the depletion of fossil resources and
increasingly stringent regulations imposed on environmental pollution
throughout the world, alternative energy technologies have been studied in the
recent decades. One of the most interesting and promising energy technology is
the fuel cell.

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