Coatings,
Journal Year:
2024,
Volume and Issue:
14(11), P. 1465 - 1465
Published: Nov. 18, 2024
As
an
important
component
of
LIBs,
the
electrode
material
plays
a
crucial
role
in
determining
lithium
(Li)
storage
performance
LIBs.
In
this
study,
MoS2
nano-flowers
were
synthesized
using
one-pot
hydrothermal
method.
The
resulting
nano-flower,
along
with
PAN,
used
as
raw
materials
for
electrospinning.
After
annealing
treatment,
MoS2/(carbon
nanofibers)
CNFs
nano-composites
coated
carbon
fibers
formed.
coating
exhibited
electrical
conductivity
and
enhanced
structural
stability
due
to
stabilizing
effect
fibers.
Additionally,
electrochemical
tests,
including
CV
GCD,
indicated
that
optimal
capacity
cycling
achieved
when
content
was
10%.
results
charge/discharge
MoS2/CNFs-10%
at
current
density
100
mA/g
~650
mAh/g.
returned
mA/g,
recovery
~600
mAh/g,
thereby
indicating
outstanding
stability.
Accordingly,
our
fabrication
technique
new
insight
could
both
widen
design
strategy
multicomponent
composite
promote
practical
applications
latest
emerging
transition
metal
sulfides
next-generation
high-performance
lithium-ion
batteries.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 5, 2024
Abstract
The
incorporation
of
large‐sized
rare
earth
(RE)
elements
with
high
coordination
characteristics
into
transition
metal
dichalcogenide
(TMD)
absorbers
while
preserving
a
1T
phase
content
during
post‐processing
poses
significant
challenge.
To
address
this,
novel
strategy
involving
the
confinement
RE
within
1T‐MoS
2
lattice
via
liquid
plasma
assistance,
is
proposed.
This
approach
effectively
mitigates
environmental
impact
on
MoS
,
yielding
remarkable
82.69%
for
Ce20‐D7
(20
wt.%
Cerium
trinitrate
and
7
kV
applied
voltage).
Combining
experimental
theoretical
investigations
reveals
that
multi‐orbital
facilitate
hybridization
between
RE‐4f
Mo‐4d
orbitals
surface,
leading
to
occupation
weakly
bound
electrons
in
bonding
short‐distance
motion,
enhanced
inter‐orbital
electron‐electron
interactions,
induced
polarization
loss.
Notably,
results
demonstrate
Pr15‐D7
sample
(15
praseodymium
nitrate
voltage)
exhibits
an
effective
absorption
bandwidth
(EAB)
7.12
GHz
at
2.6
mm,
minimum
reflection
loss
‐52.02
dB
achieves
EAB
6.96
2.7
mm.
These
findings
provide
valuable
insights
rational
design
development
high‐performance
TMD
leveraging
RE‐modified
materials.
Energy Material Advances,
Journal Year:
2024,
Volume and Issue:
5
Published: Jan. 1, 2024
Potassium-ion
batteries
(PIBs)
are
highly
attractive
and
promising
energy
storage
technology
because
of
their
cost-effectiveness,
superior
safety,
environmental
friendliness,
as
well
high
standard
K/K
+
redox
potential,
abundance
low
cost
potassium.
Transition
metal
disulfides
(TMDs)
have
a
wide
interlayer
spacing
that
is
K
site
in
PIBs.
Moreover,
TMDs
reversible
capacity
cost.
Nevertheless,
they
not
been
extensively
studied.
The
practical
application
impeded
by
fast
fading
poor
rate
performance.
More
well-focused
research
should
aim
for
the
commercialization
This
paper
reviews
(a)
main
strategies
to
enhance
PIBs;
(b)
recent
development
using
such
MoS
2
,
WS
SnS
electrode
materials
PIBs,
including
structure,
performance,
defects,
methods
alleviate
defects;
(c)
associated
electrochemical
processes;
(d)
critical
issues,
challenges,
prospects.
Royal Society of Chemistry eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 67
Published: April 4, 2025
There
is
no
denying
that
the
world
heading
towards
an
era
powered
by
green
energy
resources.
The
need
for
highly
efficient
devices
sustainable
storage
and
utilization
vital
in
transitioning
full-time
realization
of
renewable
our
society.
In
last
four
decades,
there
have
been
groundbreaking
developments
large-scale
commercialization
Li-ion
batteries,
electric
vehicles,
solar
power,
all
made
possible
in-depth
understanding
science
materials.
Theoretically,
exists
problem
production
hydrogen,
as
oxides
Ir,
Rh,
Pt,
elements
themselves,
are
excellent
catalysts
electrochemical
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
with
fast
kinetics.
Thus,
more
work
remains
to
be
done
area
material
technology.
lies
critical
availability
cost
these
materials,
which
underlying
motivation
finding
alternative
materials
technologies.
This
transition
presents
us
opportunity
expand
horizons
knowledge
chemical
engineering,
science,
allied
fields
through
two-dimensional
(2D)
nanomaterials.
These
exhibit
intriguing
characteristics
contrast
their
bulk
counterparts,
coupled
interchangeable
electronic
properties
depending
on
synthesis
methodologies
employed.
chapter
begins
introducing
family
graphene
nanosheets
expands
into
a
discussion
advanced
2D
families,
such
metal
dichalcogenides
(TMDs),
MXenes,
(TMOs),
hexagonal
boron
nitride
(h-BN).