Molecules,
Journal Year:
2024,
Volume and Issue:
29(21), P. 5208 - 5208
Published: Nov. 4, 2024
Metal
ion
intercalation
into
van
der
Waals
gaps
of
layered
materials
is
vital
for
large-scale
electrochemical
energy
storage.
Transition-metal
sulfides,
ABS4
(where
A
and
B
represent
Zr,
Hf,
Ti
as
monolayers
anodes),
are
examined
lithium
sodium
Our
study
reveals
that
these
offer
exceptional
performance
The
low
diffusion
barriers
enable
efficient
bonding
rapid
separation
while
all
phases
remain
semiconducting
before
lithiation
transition
to
metallic
states,
ensuring
excellent
electrical
conductivity.
Notably,
the
demonstrate
impressive
capacities:
1639,
1202,
1119
mAh/g
Li-ions,
1093,
801,
671
Na-ions
in
ZrTiS4,
HfTiS4,
HfZrS4,
respectively.
Average
voltages
1.16
V,
0.9
0.94
V
Li-ions
1.17
1.02
across
materials.
Additionally,
migration
0.231
eV,
0.233
0.238
eV
Li
0.135
0.136
0.147
Na
make
highly
attractive
battery
applications.
These
findings
underscore
potential
monolayer
a
superior
electrode
material,
combining
high
adsorption
energy,
barriers,
voltage,
specific
capacity,
outstanding
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(11), P. 12701 - 12710
Published: May 30, 2024
Nanocoral
arrays
of
Co(OH)F@NiCo-LDH/Co9S8
have
been
successfully
synthesized
onto
nickel
foam
via
a
solvothermal
method.
The
prepared
heterostructured
nanocage
demonstrates
outstanding
electrochemical
properties
such
as
excellent
specific
capacitance
(3409
mC
cm–2
at
1
mA
cm–2)
and
superior
capacity
retention
(96.38%
after
7000
charge–discharge
cycles
10
cm–2).
asymmetrical
supercapacitor
fabricated
by
reduced
graphene
oxide
showed
an
energy
density
37.2
W
h
kg–1
power
800
storage
(87.63%
5000
charge–discharge).
This
suggests
that
the
composite
has
performance
for
applications.
unique
combination
materials
structural
design
strategy
employed
highlight
significant
advancements
to
develop
high-performance
supercapacitors,
positioning
this
study
cutting
edge
nanomaterials
research
in
