Abstract
Metal‐organic
frameworks
(MOFs)
are
frequently
employed
as
electrode
materials
for
supercapacitors
due
to
their
high
specific
surface
area
and
tunable
pore
structures.
However,
this
class
of
suffers
from
low
conductivity
cyclic
stability,
which
deteriorates
capacitive
performance.
Herein,
we
made
a
simple
hydrothermal
synthesis
approach
prepare
bimetallic
MOF
activated
carbon
(AC)
composite.
The
easy
availability,
extremely
cheap,
porous
bamboo
structure
makes
it
suitable
AC
production.
It
exhibits
distinct
structure,
where
the
NiCo‐MOF
nano
flakes
outspreaded
on
ACs’
surface.
Compared
with
pristine
NiCo‐MOF,
composite
has
enhanced
electrochemical
capacitance
NiCo‐MOF/AC
in
three
measurements
420
F
g
−1
685
.
63%
improvement
particular
capacitance.
rate
capability
electrodes
is
about
60%
when
current
density
at
12
A
Also,
good
stability
91%
after
1000
cycles
5
This
study
shows
that
soft,
chemically
synthesized,
MOF/bamboo‐derived
can
be
promising
material
SC
applications.
Journal of Energy Storage,
Год журнала:
2024,
Номер
95, С. 112376 - 112376
Опубликована: Июль 3, 2024
Hydrogen,
globally
recognized
as
the
most
efficient
and
clean
energy
carrier,
holds
potential
to
transform
future
systems
through
its
use
a
fuel
chemical
resource.
Although
progress
has
been
made
in
reversible
hydrogen
adsorption
release,
challenges
storage
continue
impede
widespread
adoption.
This
review
explores
recent
advancements
materials
synthesis
methods,
emphasizing
role
of
nanotechnology
innovative
techniques
enhancing
performance
addressing
these
drive
field.
The
provides
comprehensive
overview
various
material
classes,
including
metal
hydrides,
complex
carbon
materials,
metal-organic
frameworks
(MOFs),
porous
materials.
Over
60
%
reviewed
studies
focused
on
hydrides
alloys
for
storage.
Additionally,
impact
importance
optimizing
parameters
tailor
properties
specific
applications
are
summarized.
Various
methods
evaluated,
with
special
emphasis
improving
performance.
Mechanical
milling
emerges
commonly
used
cost-effective
method
fabricating
intermetallic
capable
adjusting
properties.
also
tank
embrittlement
mechanisms,
particularly
subcritical
crack
growth,
examines
advantages
limitations
different
applications,
supported
by
case
showcasing
real-world
implementations.
underscore
current
highlighting
need
improved
capacity
kinetics.
prospects
developing
enhanced
safety,
providing
roadmap
ongoing
Key
findings
directions
research
emphasize
their
critical
shaping
systems.
Green Carbon,
Год журнала:
2024,
Номер
2(2), С. 176 - 196
Опубликована: Май 28, 2024
Gasification
is
one
of
the
most
significant
and
well-researched
pathways
to
produce
energy
from
biomass
among
different
options
available.
It
a
conversion
through
thermo-chemical
process
that
takes
place
within
gasifier,
with
interconnected
factors
have
an
impact
on
how
well
gasifier
works.
carbonized
biomass,
which
has
variety
effects
both
gasification
final
product,
method
producing
raw
contains
lot
moisture
or
non-homogeneous
morphology.
Although
potential
eliminate
significantly
reduce
tar
formation,
difficult
aspect
design
operation,
it
not
received
attention
merits
even
though
well-known
extensive
research
development
spanning
all
sectors
process.
This
review
gathers
analyzes
growing
number
experimental
numerical
modeling
approaches
in
based
exact
conditions
such
as
type
considerations,
feedstock,
assessed
parameters.
The
study
also
provides
overview
various
models,
equilibrium
kinetic
rate
models
simulations
schemes
computational
fluid
dynamics
Aspen
Plus,
while
comparing
results
for
each
are
described
literature.
Also,
this
encompasses
broad
technologies,
laboratory
reactors
industrial
scale.
Overall,
offers
brief
decisions
must
be
taken
at
beginning
research.
International Journal of Electrochemical Science,
Год журнала:
2024,
Номер
19(5), С. 100563 - 100563
Опубликована: Март 28, 2024
Hierarchical
porous
carbon
materials
were
synthesized
from
bamboo
shoot
shells
via
KOH
activation.
The
physicochemical
properties
of
shell–based
hierarchical
(BBCK)
investigated
by
scanning
electron
microscopy,
X–ray
diffraction,
Raman
spectroscopy,
photoelectron
and
N2
adsorption–desorption
analyses.
Results
confirmed
that
the
ratio
to
BBCK
significantly
affected
pore
structure,
O
content,
electrochemical
BBCK.
obtained
exhibited
a
specific
surface
area
1394
m2
g–1
volume
0.58
cm3
g–1.
content
was
25.09%.
formation
mechanism
BBCK,
which
had
structure
activation,
illustrated
systematically.
capacitance
320.05
F
at
0.5
A
in
6
M
electrolyte,
multiplicity
performance
75.22%
10
assembled
symmetric
supercapacitors
demonstrate
power
density
250
W
kg–1,
energy
7.36
Wh
kg–1.
After
7,000
cycles,
retention
rate
100%.