This document summarizes research on hydrogen production in Mexico. The most active area of research is biological processes, representing 40% of published papers, focusing on topics like bioreactors. The next most active area is catalysis and modified hydrogen processes from conventional sources, representing 22% of papers. Research on photocatalysis and photoelectrocatalysis focuses on developing efficient, stable, and inexpensive photocatalytic materials. Theoretical studies concentrate on optimizing reactor design and evaluating efficiencies. Electrolysis research proposes novel alloys and electrocatalysts. The review aims to assess scientific activity and advances in hydrogen production in Mexico.

2. o NEED OF HYDROGEN
o AIMS OF THE REPORT
o INTRODUTION
o HYDROGEN PRODUCTION RESEARCH IN MEXICO
o CONCLUSIONS

3. o Make sulfur oil lighter, cleaner and more stable.
‫؟‬ ?
o Environmental regulations.
o Feedstock shortages.
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4.  Present a review of research activities in the
field of hydrogen production in Mexico.

6. At present, there are different methods for producing
hydrogen, and these are characterized by their primary
source.

9. 1. bioreactors their operation and specific applications.
2. Micro-algae as source for photosynthetic hydrogen.
3. Bacteria and microorganisms.
4. Fermentation of organic matter.
5. Microbial electrolysis cells (MEC).

10. 1. Catalysis.
2. Hydrocarbon decomposition.
3. Steam reforming with CO2 capture.
4. H2S reforming.
5. Water gas shift.
6. Partial oxidation by metal oxides.

11. 1. Photocatalytic water splitting.
2. Visible light activated photocatalysis.
3. Mixed oxides photocatalysts.
4. Photocatalytic nanostructures.
5. Photocatalytic thin films.
6. Metallic photocatalyst doping.
7. Novel photoelectrodes.

12. 1. Thermodynamic analyses.
2. Reactor optimization and control.
3. Renewable energy H 2 systems.
4. Electrolysis and electrolyzers.
5. Solar- H 2 fuel cell systems.
6. Energy and exergy analyses.

13. Water electrolysis is one of the
simplest methods employed for
hydrogen production. It has the
advantage of being capable to
produce hydrogen using only
renewable energy.

15.  Hydrogen versatility of new applications, high calorific
value, and the fact that can be used as a clean fuel are
some examples of the high potential in research and
development activities.
 The most active area of research for hydrogen production
in Mexico deals with biological related processes (40% of
published papers) with interesting topics such as
bioreactors.
 The next more active research area is related to modified
hydrogen processes and catalysis from conventional
processes (22%).
 Hydrogen production research based on photocatalysis and
photoelectrocatalysis materials is focused on synthesizing
photocatalytic materials to be efficient, stable, harmless,
abundant, and inexpensive.

16.  systems and controls (12%). In this field, the research trend has
been to employ the coupling of a solar hydrogen system consisting
of a commercial electrolyzers and PV solar systems interconnected
in different configurations.
 In the field of theoretical studies (8%) research trends are
concentrated in simulation studies to optimize hydrogen
production reactors and thermodynamic studies to predict
conditions for enhanced hydrogen generation, evaluate thermal
efficiencies and to avoid carbon formation.
 In the field of electrolysis (3%), novel alloys are being proposed in
electrolytic alkaline medium through ball milling synthesis and
different nanoparticles as electrocatalysts for water electrolysis.
 Finally, the present review on the hydrogen production research in
Mexico (within the last seven years) is expected to show a measure
of the scientific activity in the field, advances in each area, as well
as to provide sources of information to enhance research
collaboration in the Mexico and in the world.

17. hosam.s.rayes@gmail.com
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