Green Hydrogen for Energy Transition: A Critical Perspective
Energies,
Год журнала:
2025,
Номер
18(2), С. 404 - 404
Опубликована: Янв. 17, 2025
Green
hydrogen
(GH2)
is
emerging
as
a
key
driver
of
global
energy
transition,
offering
sustainable
pathway
to
decarbonize
systems
and
achieve
climate
objectives.
This
review
critically
examines
the
state
GH2
research
production
technologies
their
integration
into
renewable
systems,
supported
by
bibliometric
analysis
recent
literature.
Produced
via
electrolysis
powered
energy,
shows
significant
potential
industries,
enhance
grid
stability,
support
Power-to-X
paradigm,
which
interlinks
electricity,
heating,
transportation,
industrial
applications.
However,
widespread
adoption
faces
challenges,
including
high
costs,
infrastructure
constraints,
need
for
robust
regulatory
frameworks.
Addressing
these
barriers
requires
advancements
in
electrolyzer
efficiency,
scalable
fuel
cell
technologies,
efficient
storage
solutions.
Sector-coupled
smart
grids
incorporating
demonstrate
integrate
enhancing
utilization
ensuring
system
reliability.
Economic
analyses
predict
that
can
cost
parity
with
fossil
fuels
2030
will
play
foundational
role
low-carbon
2050.
Its
ability
convert
surplus
electricity
clean
carriers
positions
it
cornerstone
decarbonizing
energy-intensive
sectors,
such
industry,
heating.
underscores
transformative
creating
future.
By
addressing
technical,
economic,
policy
challenges
through
coordinated
efforts
innovation
development,
accelerate
transition
carbon-neutral
contribute
achieving
goals.
Язык: Английский
The Single Atom Anchoring Strategy: Rational Design of MXene‐Based Single‐Atom Catalysts for Electrocatalysis
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Abstract
Single‐atom
catalysts
(SACs)
are
a
class
of
with
low
dosage,
cost,
and
the
presence
metal
atom‐carrier
interactions
high
catalytic
activity,
which
considered
to
possess
significant
potential
in
field
electrocatalysis.
The
most
important
aspect
synthesis
SACs
is
selection
suitable
carriers.
Metal
carbides,
nitrides,
or
carbon‐nitrides
(MXenes)
widely
used
as
new
type
2D
materials
good
electrical
conductivity
tunable
surface
properties.
abundance
functional
groups
vacancy
defects
on
MXenes
an
ideal
anchoring
site
for
single
atoms
therefore
regarded
carrier
single‐atom
loading.
In
this
work,
preparation
method
MXenes,
loading
mode
SACs,
characterization
catalysts,
electrochemical
performance
described
detail,
some
hot
issues
current
research
future
directions
also
summarized.
aim
work
promote
development
MXene‐based
within
realm
With
ongoing
innovation,
these
expected
be
crucial
energy
conversion
storage
solutions.
Язык: Английский
Unleashing the power of hydrogen: Challenges and solutions in solid-state storage
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 1, 2025
Язык: Английский
Development of a novel thermochemical cycle without electrolysis step to produce hydrogen
Chemical Engineering Science,
Год журнала:
2025,
Номер
unknown, С. 121292 - 121292
Опубликована: Янв. 1, 2025
Язык: Английский
Optimizing Hydrogen Storage and Fuel Cell Performance Using Carbon-Based Materials: Insights into Pressure and Surface Area Effects
Hydrogen,
Год журнала:
2025,
Номер
6(2), С. 22 - 22
Опубликована: Март 30, 2025
Efficient
hydrogen
storage
is
critical
for
advancing
hydrogen-based
technologies.
This
study
investigates
the
effects
of
pressure
and
surface
area
on
in
three
carbon-based
materials:
graphite,
graphene
oxide,
reduced
oxide.
Hydrogen
adsorption–desorption
experiments
under
pressures
ranging
from
1
to
9
bar
revealed
nonlinear
capacity
responses,
with
optimal
performance
at
around
5
bar.
The
specific
plays
a
pivotal
role,
oxide
exhibiting
70.31
m2/g,
outperforming
(33.75
m2/g)
graphite
(7.27
m2/g).
Reduced
achieved
highest
capacity,
768
sccm
3
wt.%
increase
over
other
materials.
In
assessing
proton-exchange
fuel
cell
performance,
this
found
that
increased
correlates
enhanced
power
density,
reaching
maximum
0.082
W/cm2,
compared
0.071
W/cm2
0.017
However,
desorption
rates
impose
temporal
constraints
operation.
These
findings
enhance
our
understanding
pressure–surface
interactions
underscore
balance
between
area,
practical
materials,
offering
valuable
insights
applications.
Язык: Английский
Hydrogen storage engineering in PHE-graphene monolayer via potassium (K) decoration
International Journal of Hydrogen Energy,
Год журнала:
2025,
Номер
123, С. 139 - 149
Опубликована: Апрель 1, 2025
Язык: Английский
Advancements in hydrogen storage technologies: Integrating with renewable energy and innovative solutions for a sustainable future
Energy Geoscience,
Год журнала:
2025,
Номер
unknown, С. 100408 - 100408
Опубликована: Апрель 1, 2025
Язык: Английский
The distinct effect of RGO coupling on boosting hydrogen production and Cr(VI) reduction over the TiO2/CaTi4O9/CaTiO3 photocatalyst
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
91, С. 528 - 538
Опубликована: Окт. 16, 2024
Язык: Английский
Innovative engineering of scalable, renewable and spherical organic nanoparticles for high fire safety, UV protection and antibacterial properties of polyvinyl alcohol nanocomposites films
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 21, 2024
Abstract
A
novel
and
environmentally
friendly
route
was
developed
for
production
of
sustainable
flame
retardant,
antibacterial
UV
protective
nanoparticles
polymeric
films
nanocomposites.
For
the
first
time,
dried
molokhia
leaves
were
engineered
into
spherical
with
an
average
size
8.5
nm
via
eco-friendly,
one-pot
solid-state
ball-milling
method.
The
proved
using
spectroscopic
microscopic
techniques.
employed
as
efficient
green
materials
polyvinyl
alcohol
(PVA)
nanocomposite
films.
distinct
compatibility
between
PVA
chains
afford
excellent
homogeneous
dispersion
each
nanoparticle
in
polymer
matrix.
Compared
to
blank
film
which
burned
at
a
rate
125
mm/min,
achieved
significant
retardancy
nanocomposites
recording
zero
burning.
Their
outstanding
charring
ability
naturally
doped
elemental
composition
attributed
their
higher
achieved.
Moreover,
newly
multifunctional
integrated
protection
feature
factor
superiority
more
than
900%
compared
free
film.
Noteworthy
note
that,
inhibition
bacterial
growth
against
Escherichia
coli
Staphylococcus
aureus
over
surface
achieving
clear
zone
9
7.6
mm
pristine
film,
respectively.
In
addition,
proposed
clarified
mechanism
presented.
Additionally,
assessment
conducted
regarding
economic
feasibility
producing
on
industrial
scale.
Язык: Английский