Catalysts,
Journal Year:
2023,
Volume and Issue:
13(4), P. 766 - 766
Published: April 18, 2023
Hydrogen
is
considered
one
of
the
most
important
forms
energy
for
future,
as
it
can
be
generated
from
renewable
sources
and
reduce
CO2
emissions.
In
this
review,
different
thermochemical
techniques
that
are
currently
used
production
hydrogen
biomass
plantations
or
crops,
well
those
industrial
agro-industrial
processes,
were
analyzed,
such
gasification,
liquefaction,
pyrolysis.
addition,
yields
obtained
reactors,
reaction
conditions,
catalysts
in
each
process
presented.
Furthermore,
a
brief
comparison
between
methods
made
to
identify
pros
cons
current
technologies.
Technological Forecasting and Social Change,
Journal Year:
2023,
Volume and Issue:
192, P. 122574 - 122574
Published: April 14, 2023
Hydrogen
can
be
recognized
as
the
most
plausible
fuel
for
promoting
a
green
environment.
Worldwide,
developed
and
developing
countries
have
established
their
hydrogen
research,
investment,
policy
frameworks.
This
analysis
of
610
peer-reviewed
journal
articles
from
last
50
years
provides
quantitative
impartial
insight
into
economy.
By
2030,
academics
business
professionals
believe
that
will
complement
other
renewable
energy
(RE)
sources
in
revolution.
study
conducts
an
integrative
review
by
employing
software
such
Bibliometrix
R-tool
VOSviewer
on
socio-economic
consequences
literature
derived
Scopus
database.
We
observed
research
focuses
multidisciplinary
concerns
generation,
storage,
transportation,
application,
feasibility,
development.
also
present
conceptual
framework
in-depth
well
interlinkage
concepts,
themes,
aggregate
dimensions,
to
highlight
hotspots
emerging
patterns.
In
future,
factors
permeation
leakage
management,
efficient
risk
assessment
studies,
blending,
techno-economic
feasibility
shall
play
critical
role
aspects
research.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(4), P. 2601 - 2629
Published: Jan. 28, 2024
Hydrogen
holds
immense
potential
as
a
sustainable
energy
source
result
of
its
eco-friendliness
and
high
density.
Thus,
hydrogen
can
solve
the
environmental
challenges.
However,
it
is
crucial
to
produce
using
approaches
in
cost-efficient
manner.
Currently,
be
produced
by
utilizing
diverse
feedstocks,
such
natural
gas,
methane,
ammonia,
smaller
organic
molecules
(methanol,
ethanol,
glycerol,
formic
acid),
biomass,
water.
These
feedstocks
undergo
conversion
into
through
different
catalytic
processes,
including
steam
reforming,
pyrolysis,
decomposition,
gasification,
electrolysis,
photo-assisted
methods
(photoelectrochemical,
photocatalysis,
biophotolysis).
Researchers
have
extensively
explored
various
catalysts,
metals,
alloys,
oxides,
non-oxides,
carbon-based
materials,
metal–organic
frameworks,
for
these
methods.
The
primary
objectives
been
attain
higher
activity,
selectivity,
stability,
cost
effectiveness
generation.
efficacy
processes
significantly
dependent
upon
performance
emphasizing
need
further
research
development
create
more
efficient
catalysts.
during
production,
gases
like
CO2,
O2,
CO,
N2,
etc.
are
alongside
hydrogen.
Separation
techniques,
pressure
swing
adsorption,
metal
hydride
separation,
membrane
employed
obtain
high-purity
Furthermore,
techno-economic
analysis
indicates
that
production
reforming
gas/methane
currently
viable
commercially
successful.
Photovoltaic
electrolysis
has
commercialized,
but
still
higher.
Meanwhile,
other
phase
hold
future
commercialization.
Alexandria Engineering Journal,
Journal Year:
2024,
Volume and Issue:
100, P. 182 - 207
Published: May 21, 2024
The
demand
for
fossil
fuels
is
rising
rapidly,
leading
to
increased
greenhouse
gas
emissions.
Hydrogen
has
emerged
as
a
promising
clean
energy
alternative
that
could
help
meet
future
demands
way
sustainably,
especially
if
produced
using
renewable
methods.
For
hydrogen
meaningfully
contribute
transitions,
it
needs
more
integration
into
sectors
like
transportation,
buildings,
and
power
currently
have
minimal
usage.
This
requires
developing
extensive
cross-sector
infrastructure.
review
examines
combustion
fuel
by
exploring
comparing
production
techniques,
enriching
ammonia
with
CO2-free
option,
applications
in
engines.
Additionally,
techno-economic
environmental
risk
analysis
discussed.
Results
showed
steam
methane
reforming
the
most
established
cost-effective
method
at
$1.3–1.5/kg
H2
70–85%
efficiency
but
generates
CO2.
Biomass
gasification
costs
$1.25–2.20/kg
pyrolysis
$1.77–2.05/kg
offering
options.
However,
bio-photolysis
high
of
$1.42–2.13/kg
due
low
conversion
rates
requiring
large
reactors.
Blending
H2/NH3
enable
carbon-free
combustion,
aiding
carbon
neutrality
pursuits,
minimizing
resultant
NOx
crucial.
Hydrogen's
wide
uses
from
transportation
underline
its
potential
transformational
carrier.
