Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 1, 2024
Abstract
Although
metal–sulfur
batteries
(M–S
batteries,
M
=
Li,
Na,
K)
are
promising
next‐generation
energy‐storage
devices
because
of
ultrahigh
theoretical
energy
density,
low
cost,
and
environmentally
friendliness,
their
practical
applications
significantly
hindered
by
the
shuttle
effect
polysulfides
growth
alkali
metal
dendrites.
These
issues
can
be
mitigated
using
Janus
atomic‐site
catalysts,
which
possess
maximum
atom
utilization
efficiency
(≈100%),
adjustable
electronic
structures,
tailorable
catalytic
sites,
thereby
effectively
improving
electrochemical
performance
M–S
batteries.
In
this
review,
recent
progress
development
atomic‐sites
on
properties,
synthesis,
characterizations
reviewed.
Then,
advances
in
catalysts
intended
for
accelerating
polysulfide
conversion
regulating
deposition,
briefly
introducing
working
principles
systematically
summarized.
Furthermore,
a
high
emphasis
is
placed
effective
regulation
strategies
rational
design
Finally,
current
challenges
future
research
directions
also
presented
to
develop
high‐efficiency
high‐energy
EcoEnergy,
Journal Year:
2023,
Volume and Issue:
1(2), P. 248 - 295
Published: Dec. 1, 2023
Abstract
In
the
advancing
world
of
graphene,
highly
anisotropic
2D
semiconductor
nanosheets,
notable
for
their
nanometer‐scale
thickness,
have
emerged
as
a
leading
innovation,
displaying
immense
potential
in
exploration
renewable
and
clean
energy
production.
These
garnered
significant
attention
from
researchers.
The
nanosheets
are
marked
by
extraordinary
electronic,
optical,
chemical
attributes,
positioning
them
attractive
foundational
components
heterogeneous
photocatalysts.
This
review
diligently
summarizes
both
seminal
work
ongoing
developments
pertaining
to
application
solar
within
context
photocatalysis.
We
begin
detailing
distinctive
properties
concentrating
on
pivotal
roles
augmenting
photocatalytic
efficiency,
explaining
intrinsic
mechanisms
that
govern
migration
rate
photogenerated
carriers
material's
surface.
Subsequently,
we
delineate
methods
employed
synthesize
typical
nanosheets.
alignment
with
overarching
objective
expanding
light
absorption
capacity
accelerating
charge
transfer,
also
examine
current
research
hybridization
techniques
involving
materials
varied
dimensions,
well
deployment
diverse
applications.
conclude
identifying
promising
avenues
challenges
await
further
this
burgeoning
field.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(2)
Published: Aug. 24, 2023
Abstract
As
an
indispensable
component
of
rechargeable
batteries,
the
current
collector
plays
a
crucial
role
in
supporting
electrode
materials
and
collecting
accumulated
electrical
energy.
However,
some
key
issues,
like
uneven
resources,
high
weight
percentage,
electrolytic
corrosion,
high‐voltage
instability,
cannot
meet
growing
need
for
batteries.
In
recent
years,
MXene‐based
collectors
have
achieved
considerable
achievements
due
to
its
unique
structure,
large
surface
area,
conductivity.
The
related
research
has
increased
significantly.
Nonetheless,
comprehensive
review
this
area
is
seldom.
Herein
applications
progress
MXene
are
systematically
summarized
discussed.
Meanwhile,
challenges
future
directions
presented.
Carbon Energy,
Journal Year:
2024,
Volume and Issue:
6(2)
Published: Feb. 1, 2024
Abstract
MXenes
are
a
family
of
two‐dimensional
(2D)
layered
transition
metal
carbides/nitrides
that
show
promising
potential
for
energy
storage
applications
due
to
their
high‐specific
surface
areas,
excellent
electron
conductivity,
good
hydrophilicity,
and
tunable
terminations.
Among
various
types
MXenes,
Ti
3
C
2
T
x
is
the
most
widely
studied
use
in
capacitive
applications,
especially
supercapacitors
(SCs).
However,
stacking
oxidation
MXene
sheets
inevitably
lead
significant
loss
electrochemically
active
sites.
To
overcome
such
challenges,
carbon
materials
frequently
incorporated
into
enhance
electrochemical
properties.
This
review
introduces
common
strategies
used
synthesizing
,
followed
by
comprehensive
overview
recent
developments
/carbon
composites
as
electrode
SCs.
categorized
based
on
dimensions
carbons,
including
0D
dots,
1D
nanotubes
fibers,
2D
graphene,
3D
(activated
carbon,
polymer‐derived
etc.).
Finally,
this
also
provides
perspective
developing
novel
MXenes/carbon
electrodes
application
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(23)
Published: Feb. 7, 2024
Abstract
The
rational
construction
of
electrocatalysts
has
sparked
a
growing
interest
in
accelerating
redox
kinetics
polysulfide
and
effectively
restricting
the
“shuttle
effect”
Li‐S
batteries.
In
this
work,
novel
MXene‐supported
ultrasmall
Co
3
Fe
7
bimetallic
alloy
hybrids
are
fabricated
via
one‐pot
molten
salt
etching
strategy.
Ti
AlC
2
precursor
can
be
directly
converted
to
‐MXene
using
environmentally
friendly
approach,
eliminating
need
for
acid/alkaline
treatments
complex
procedures.
Meanwhile,
particles
situ
formed
tightly
anchored
on
MXene
substrate.
By
simple
coating,
modified
separator
functions
as
barrier
inhibit
shuttle
effect.
Furthermore,
electrochemical
tests
theoretical
calculations
demonstrate
that
exhibits
exceptional
adsorption
capacity
remarkable
catalytic
ability
toward
polysulfides,
owing
synergistic
effect
alloy.
Consequently,
cells
assembled
with
achieve
high
capacity,
excellent
rate
performance,
superior
cycle
stability.
This
study
provides
comprehensive
insight
into
design
alloys
efficient
LiPSs
high‐performance
long‐life
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 15, 2024
Integrating
solar
energy
into
rechargeable
battery
systems
represents
a
significant
advancement
towards
sustainable
storage
solutions.
Herein,
we
propose
win-win
solution
to
reduce
the
shuttle
effect
of
polysulfide
and
improve
photocorrosion
stability
CdS,
thereby
enhancing
conversion
efficiency
rGO/CdS-based
photorechargeable
integrated
lithium-sulfur
batteries
(PRLSBs).
Experimental
results
show
that
CdS
can
effectively
anchor
under
sunlight
irradiation
for
20
minutes.
Under
high
current
density
(1
C),
discharge-specific
capacity
PRLSBs
increased
971.30
mAh
g
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: June 14, 2024
Abstract
MXene
has
garnered
widespread
recognition
in
the
scientific
community
due
to
its
remarkable
properties,
including
excellent
thermal
stability,
high
conductivity,
good
hydrophilicity
and
dispersibility,
easy
processability,
tunable
surface
admirable
flexibility.
MXenes
have
been
categorized
into
different
families
based
on
number
of
M
X
layers
n+1
n
,
such
as
2
X,
3
4
and,
recently,
5
.
Among
these
families,
particularly
Ti
C
greatly
explored
while
limited
studies
given
synthesis.
Meanwhile,
family
developed
hence,
demanding
a
compilation
evaluated
studies.
Herein,
this
review
provides
systematic
overview
latest
advancements
MXenes,
focusing
their
properties
applications
energy
storage
devices.
The
objective
is
provide
guidance
researchers
fostering
MXene-based
nanomaterials,
not
only
for
devices
but
also
broader
applications.