Chemistry - An Asian Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
Abstract
The
reuse
of
waste
biomass
resources
had
become
a
hot
topic
in
the
sustainable
development
human
society.
Biomass
was
an
ideal
precursor
for
preparing
porous
carbon.
However,
due
to
complexity
composition
and
microstructure,
quality
reproducibility
carbon
poor.
Therefore,
it
great
significance
develop
reliable
method
from
biomass.
In
this
paper,
activated
hydrothermal
prepared
by
combination
carbonization
treatment
KHCO
3
mild
activation.
could
complete
morphology
adjustment
iron
doping
one
step,
activation
activate
while
maintaining
spherical
morphology.
Fe‐modified
with
ball/nanosheet
structure
bagasse
exhibited
high
surface
area
(2169.8
m
2
/g),
which
facilitated
ion/electrolyte
diffusion
increased
accessibility
between
electrolyte
ions.
derived
good
specific
capacitance
(315.2
F/g
at
1
A/g)
cycle
stability,
loss
only
5.8
%
after
5000
charge‐discharge
cycles,
Na
SO
4
‐based
device
showed
maximum
energy
density
13.02
Wh/kg.
This
study
that
provided
effective
way
conversion
into
high‐performance
electrode
materials.
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
6(5), С. 3346 - 3361
Опубликована: Апрель 18, 2024
Supercapatteries
bridge
the
gap
between
supercapacitors
and
rechargeable
batteries.
These
electrochemical
energy
storage
devices
possess
a
higher
density
than
higher-power
The
charge
mechanism
in
supercapattery
is
similar
to
that
of
batteries,
i.e.,
mainly
by
means
diffusion-controlled
mechanisms.
positrode
negatrode
should
be
designed
such
way
achieve
maximum
performance.
Transition
metal
sulfides
are
potential
candidates
as
materials
for
supercapatteries.
Herein,
we
report
rapid
synthesis
flower-like
tin
disulfide
(SnS2)
nanostructures
microwave-assisted
hydrothermal
method
its
application
material
By
varying
transition
sulfur
ratio,
SnS2
nanostructure
optimized
large
surface
area
porous
architecture
performance
when
used
an
electrode-active
layered
delivered
specific
capacity
165.6
C/g
at
scan
rates
3
mV/s
2
M
KOH
(aqueous)
electrolyte.
electrode
exhibits
excellent
cyclic
stability
more
5000
cycles.
Further,
with
asymmetric
fabricated
activated
carbon
negatrode,
device
delivers
114.8
corresponding
23.9
Wh/kg
tested
two-electrode
cell
compartment
using
RSC Advances,
Год журнала:
2024,
Номер
14(20), С. 14438 - 14451
Опубликована: Янв. 1, 2024
Supercapacitors
have
substantially
altered
the
landscape
of
sophisticated
energy
storage
devices
with
their
exceptional
power
density
along
prolonged
cyclic
stability.
On
contrary,
remains
low,
requiring
research
to
compete
conventional
battery
devices.
This
study
addresses
disparities
between
and
densities
in
technologies
by
exploring
integration
layered
double
hydroxides
(LDH)
highly
conductive
materials
develop
an
innovative
system.
Four
electrodes
were
fabricated
Energy & Fuels,
Год журнала:
2024,
Номер
38(7), С. 6459 - 6470
Опубликована: Март 21, 2024
The
development
of
high-quality
supercapacitors
relies
heavily
on
the
exploitation
composite
electrode
materials
with
well-defined
nanostructures
such
as
NiCo2S4
(NCS).
In
this
study,
a
two-step
solvent-thermal
approach
was
used
to
create
NiCo2S4@CoAl-LDH
(NCS@CA)
core–shell
heterostructure
for
light-assisted
supercapacitor,
yielding
noteworthy
advancement
in
properties
materials.
resulting
flower-shaped
NCS@CA
nanosheets
exhibit
great
potential
enhancing
solar
energy
utilization.
Compared
solution
without
light,
showed
noticeable
increase
specific
capacitance
when
exposed
light.
As
result,
demonstrated
robust
capacity
2120
F
g–1
(120.4
cm–3)
it
operated
at
1
A
g–1.
Also,
excellent
cycle
life;
after
10
000
cycles
charge
and
discharge,
98.96%
total
still
preserved.
Light-assisted
possessing
extraordinary
electrochemical
have
been
designed
activated
carbon
(AC)
working
electrodes.
configuration
exhibited
an
impressive
density
(35.1
Wh
kg–1
751.2
W
kg–1),
representing
36.6%
improvement
over
nonlight
conditions.
apparatus
also
exceptional
cycling
stability,
holding
onto
97.7%
cycles.
These
findings
confirm
that
is
strong
contender
building
emerging
systems
storage
energy.
Materials Advances,
Год журнала:
2024,
Номер
5(12), С. 5307 - 5321
Опубликована: Янв. 1, 2024
In
this
study,
an
MoS
2
/MnO
nanocomposite
electrode
with
a
novel
3D
nanoflower/1D
nanorod
architecture
is
effectively
synthesized
using
straightforward,
cost-effective
hydrothermal
process.
