C – Journal of Carbon Research,
Journal Year:
2024,
Volume and Issue:
10(3), P. 73 - 73
Published: Aug. 13, 2024
The
study
of
novel
materials
for
H2
storage
is
essential
to
consolidate
the
hydrogen
as
a
clean
energy
source.
In
this
sense,
adsorption
on
Pd4-nNin
(n
=
0–3)
clusters
embedded
pyridinic-type
N-doped
graphene
(PNG)
was
investigated
using
density
functional
theory
calculations.
First,
properties
PNG
were
analyzed
in
detail.
Then,
these
composites
computed.
Eint
between
and
greater
than
that
computed
literature
Pd-based
systems
pristine
graphene.
Consequently,
it
deduced
can
more
significantly
stabilize
clusters.
exhibited
HOMO–LUMO
gap
less
1
eV,
indicating
good
reactivity.
Based
Eads
PNG,
observed
meet
standards
set
by
DOE.
Therefore,
be
viable
alternatives
storage.
Clean Energy,
Journal Year:
2024,
Volume and Issue:
8(4), P. 147 - 168
Published: May 22, 2024
Abstract
Hydrogen
has
gained
enormous
relevance
due
to
its
lower
carbon
footprint
and
potential
role
in
balancing
energy
supply
demand.
It
is
being
considered
as
a
sustainable
substitute
for
conventional
fuels.
The
generation
of
hydrogen
using
renewable
sources
still
development,
with
significant
challenge
lying
the
efficient
safe
storage
low
density.
This
hinders
widespread
adoption
hydrogen.
Compression
liquefaction
methods
face
issues
losses
that
reduce
their
effectiveness.
technology
advanced
significantly
past
few
years,
driven
by
recent
enhancements
synthesizing
carbonaceous
materials
capabilities.
article
critically
reviews
novel
storage,
including
biochar,
activated
carbon,
nanotubes,
nanocomposites,
aerogel,
fullerenes,
MXenes,
graphite,
graphene
derivatives.
Effective
adsorption
microporous
materials,
such
carbons,
crucial,
sparking
interest
economically
viable
options
storage.
Despite
this,
amount
work
needs
be
accomplished
before
advantages
economy
can
fully
realized
utilized
manufacturers
academics.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 22, 2025
Electrocatalytic
water
splitting
is
a
clean
and
feasible
method
for
hydrogen
production,
expected
to
become
key
technology
meeting
energy
demands.
Transition
metal-based
nanoparticles,
including
single-atom
catalysts
their
compounds,
are
widely
used
in
electrocatalytic
splitting,
but
they
often
suffer
from
issues
like
easy
agglomeration
poor
conductivity.
The
integration
of
these
nanoparticles
with
three-dimensional
(3D)
graphene
enhances
conductivity
prevents
agglomeration,
while
improving
the
adsorption
desorption
rates
reactants
intermediates
on
catalyst
surface
during
thereby
boosting
efficiency.
This
paper
reviews
preparation
methods
graphene-based
supported
electrocatalysts
applications
oxygen
evolution
reactions
(OERs),
further
discussing
mechanism
by
which
3D
improves
OER
performance.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(5), P. 671 - 671
Published: March 1, 2024
Bipolar
plates
(BPs)
are
one
of
the
most
important
components
polymer
electrolyte
membrane
fuel
cells
(PEMFCs)
because
their
role
in
gas
and
water
management,
electrical
performance,
mechanical
stability.
Therefore,
promising
materials
for
use
as
BPs
should
meet
several
technical
targets
established
by
United
States
Department
Energy
(DOE).
Thus
far,
literature,
many
have
been
reported
possible
applications
BPs.
Of
these,
composites
reinforced
with
carbon
allotropes
prominent.
this
review
article,
we
present
progress
critical
analysis
on
material-reinforced
PEMFCs.
Based
review,
it
is
observed
that
numerous
produced
synthesized
characterized
application
DOE
requirements.
However,
these
can
still
be
improved
before
Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2426 - 2426
Published: May 21, 2024
Carbon-based
magnetic
metal
composites
derived
from
metal-organic
frameworks
(MOFs)
are
promising
materials
for
the
preparation
of
broadband
microwave
absorbers.
In
this
work,
leaf-like
co-doped
porous
carbon/carbon
nanotube
heterostructure
was
obtained
using
ZIF-L@ZIF-67
as
precursor.
The
number
carbon
nanotubes
can
be
controlled
by
varying
amount
ZIF-67,
thus
regulating
dielectric
constant
sample.
An
optimum
reflection
loss
-42.2
dB
is
attained
when
ZIF-67
added
at
2
mmol.
effective
absorption
bandwidth
(EAB)
4.8
GHz
achieved
with
a
thickness
2.2
mm
and
filler
weight
12%.
excellent
(MA)
ability
generated
mesopore
structure,
uniform
heterogeneous
interfaces,
high
conduction
loss.
work
offers
useful
guidelines
to
devise
prepare
such
nanostructured
MA
materials.
Computation,
Journal Year:
2024,
Volume and Issue:
12(12), P. 234 - 234
Published: Nov. 27, 2024
A
comprehensive
investigation
of
hydrogen
grabbing
towards
the
formation
hetero-clusters
AlGaN–H,
Si–AlGaN–H,
Ge–AlGaN–H,
Pd–AlGaN–H,
and
Pt–AlGaN–H
was
carried
out
using
DFT
computations
at
CAM–B3LYP–D3/6-311+G
(d,p)
level
theory.
The
notable
fragile
signal
intensity
close
to
parallel
edge
nanocluster
sample
might
be
owing
silicon
or
germanium
binding-induced
non-spherical
distribution
Si–AlGaN
Ge–AlGaN
hetero-clusters.
Based
on
TDOS,
excessive
growth
technique
doping
silicon,
germanium,
palladium,
platinum
is
a
potential
approach
designing
high-efficiency
hybrid
semipolar
gallium
nitride
devices
in
long-wavelength
zone.
Therefore,
it
can
considered
that
palladium
atoms
functionalized
Pd–AlGaN
Pt–AlGaN
have
more
impressive
sensitivity
for
accepting
electrons
process
adsorption.
advantages
over
aluminum
include
its
higher
electron
hole
mobility,
allowing
operate
frequencies
than
devices.
In
fact,
observed
doped
ameliorate
capability
AlGaN
transistor
cells
energy
storage.
