Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 11, 2024
Abstract
As
a
promising
anode
material
for
Na‐metal
batteries,
the
practical
application
of
Na
metal
is
severely
hindered
due
to
formation
notorious
dendrite
and
unstable
solid‐electrolyte
interface
(SEI).
To
address
these
issues,
direct‐ink
writing
(DIW)
3D
printing
technology
proposed
construct
an
artificial
hierarchical
porous
sodiophilic
Nb
2
CT
x
/reduced
graphene‐oxide
(Nb
/rGO)
aerogel
monolith,
which
employed
as
matrix
anode.
Benefiting
from
homogeneous
ion
flux
exceptional
features,
nanoflakes
embedded
within
scaffold
regulate
uniform
deposition
metallic
with
stable
SEI
layer,
achieving
ultralong
cycle
lifespan
3000
h
at
1
mA
cm
−2
mAh
impressive
Coulombic
efficiency
99.68%
over
extended
7064
h.
Further,
in‐depth
characterization
analysis
proves
that
formed
layer
consists
inorganic
NaF
accumulated
in
inner
loosely‐bound
organic
species
outer
layer.
Remarkably,
when
integrated
into
full
cell,
reversible
capacity
reaches
90.22
g
−1
after
200
cycles
100
.
The
work
provides
strategy
utilize
anodes
long
next‐generation
sodium
batteries.
Advanced Materials,
Год журнала:
2024,
Номер
36(26)
Опубликована: Март 29, 2024
Abstract
The
advancement
of
aqueous
micro‐supercapacitors
offers
an
enticing
prospect
for
a
broad
spectrum
applications,
spanning
from
wearable
electronics
to
micro‐robotics
and
sensors.
Unfortunately,
conventional
are
characterized
by
low
capacity
slopy
voltage
profiles,
limiting
their
energy
density
capabilities.
To
enhance
the
performance
these
devices,
use
2D
MXene‐based
compounds
has
recently
been
proposed.
Apart
capacitive
contributions,
structures
can
be
loaded
with
redox‐active
nanowires
which
increase
stabilize
operation
voltage.
However,
introducing
rigid
into
MXene
films
typically
leads
significant
decline
in
mechanical
properties,
particularly
terms
flexibility.
overcome
this
issue,
super
stretchable
micro‐pseudocapacitor
electrodes
composed
nanosheets
situ
reconstructed
Ag
nanoparticles
(Ag‐NP‐MXene)
herein
demonstrated,
delivering
high
density,
stable
≈1
V,
fast
charging
Careful
experimental
analysis
theoretical
simulations
mechanism
Ag‐NP‐MXene
reveal
dual
nature
charge
storage
involving
ad(de)sorption
ions
conversion
reaction
nanoparticles.
superior
properties
synthesized
obtained
through
construction
structure
show
ultra
stretchability,
allowing
devices
provide
output
even
at
100%
elongation.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(27)
Опубликована: Март 7, 2024
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
hold
great
potential
for
grid‐scale
energy
storage
systems,
owing
to
their
intrinsic
safety
and
low
cost.
Nevertheless,
industrialization
faces
challenges
of
severe
Zn
dendrites
parasitic
reactions.
In
this
study,
sulfonated
cellulose
separator
(denoted
as
CF‐SO
3
)
with
thickness,
exceptional
mechanical
strength,
large
ionic
conductivity
is
developed.
Benefiting
from
the
electrostatic
repulsion
between
─SO
−
functional
groups
SO
4
2−
anions
strongly
interaction
2+
cations,
migration
can
be
restricted,
2D
diffusion
ions
at
surface
electrode
suppressed,
desolvation
hydrated
promoted.
Concurrently,
homogeneous
nanochannels
within
ensure
uniform
electric
field
ion
flux.
With
these
benefits,
enables
Zn//Zn
cells
run
stably
1200
h
mAh
cm
−2
by
facilitating
oriented
dendrite‐free
deposition.
Under
a
depth
discharge
68.3%,
life
span
400
still
achieved.
Additionally,
reliability
confirmed
in
Zn//MnO
2
Zn//H
11
Al
V
6
O
23.2
full
high
mass
loading
conditions.
This
work
provides
valuable
guidance
advancement
high‐performance
separators
AZIBs.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Июнь 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.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(32), С. 20606 - 20637
Опубликована: Янв. 1, 2024
This
paper
reviews
the
progress
of
flexible
electrodes
in
recent
years,
including
substrates,
active
materials,
manufacturing
methods,
and
their
latest
applications
sensors,
energy
storage,
medical
healthcare.
Abstract
The
development
of
wearable
energy
sto
rage
and
harvesting
devices
is
pivotal
for
advancing
next-generation
healthcare
technologies,
facilitating
continuous
real-time
health
monitoring.
Traditional
have
been
constricted
by
bulky
rigid
batteries,
limiting
their
practicality
comfort.
However,
recent
advancements
in
materials
science
enabled
the
creation
flexible,
stretchable,
lightweight
storage
solutions.
integration
technologies
essential
developing
self-sustaining
systems
that
minimize
reliance
on
external
power
sources
enhance
device
longevity.
These
integrated
ensure
operation
sensors
processors
vital
This
review
examines
significant
progress
harvesting,
focusing
latest
devices,
solar
cells,
biofuel
triboelectric
nanogenerators,
magnetoelastic
gene
rators,
supercapacitors,
lithium-ion
zinc-ion
batteries.
It
also
discusses
key
parameters
crucial
applications,
such
as
density,
durability.
Finally,
addresses
future
challenges
prospects
this
rapidly
evolving
field,
underscoring
potential
innovative,
self-powered
applications.
Graphical
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 25, 2025
The
advancement
of
aqueous
zinc-based
batteries
is
greatly
restricted
by
zinc
dendrites.
One
potential
solution
to
this
challenge
lies
in
the
employment
high-modulus
separators.
However,
achieving
both
high
modulus
and
large
ionic
conductivity
a
single
separator
remains
formidable
task.
Inspired
wood
architecture,
study
breaks
trade-off
designing
an
anisotropic
biodegradable
separator.
This
design
significantly
improves
along
oriented
direction
while
simultaneously
facilitating
fast
Zn2+
ion
transport
through
aligned
vertical
channels.
Additionally,
configuration
resolves
contradiction
between
low
thickness
good
dendrite-inhibition
capability.
These
benefits
are
supported
finite
element
simulations
comprehensive
experimental
validation,
which
also
underscore
critical
role
enhancement
for
By
employing
separator,
prolonged
life
span
realized
Zn||Zn
cells,
with
improved
cyclability
full
batteries.
work
presents
strategy
modification
towards
dendrite-free
metal
plays
crucial
mitigating
dendrites
side
reactions
zinc-ion
Here,
authors
break
ability.
MXenes
with
their
wide
range
of
tunability
and
good
surface
chemistry
provide
unique
distinctive
characteristics
offering
potential
employment
in
various
aspects
energy
management
applications.
These
high-performance
materials
have
attracted
considerable
attention
recent
decades
due
to
outstanding
characteristics.
In
the
literature,
most
work
is
related
specific
methods
for
preparation
MXenes.
this
Review,
we
present
a
detailed
discussion
on
synthesis
through
different
etching
routes
involving
acids,
such
as
hydrochloric
acid,
hydrofluoric
lithium
fluoride,
non-acidic
alkaline
solution,
electrochemical,
molten
salt
methods.
Furthermore,
concise
overview
structural,
optical,
electronic,
magnetic
properties
provided
corresponding
role
supporting
high
thermal,
chemical,
mechanical,
environmental,
electrochemical
stability.
Additionally,
maintaining
thermal
performance
photovoltaic
systems
(PV/T),
wearable
light
heaters,
solar
water
desalination,
batteries,
supercapacitors
also
briefly
discussed.
A
techno-economic
life
cycle
analysis
analyze
sustainability,
scalability,
commercialization
facilitate
comprehensive
array
systems.
Lastly,
technology
readiness
level
defined,
future
recommendations
are
further
utilization
niche
The
strives
link
process
economics
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(24)
Опубликована: Фев. 1, 2024
Abstract
MXenes
have
unique
properties
such
as
high
electrical
conductivity,
excellent
mechanical
properties,
rich
surface
chemistry,
and
convenient
processability.
These
characteristics
make
them
ideal
for
producing
flexible
materials
with
tunable
microstructures.
This
paper
reviews
the
laboratory
research
progress
of
MXene
its
composite
supercapacitors.
And
introduces
general
synthesis
method
MXene,
well
preparation
MXene.
By
analyzing
current
status,
electrochemical
reaction
mechanism
was
explained
from
perspectives
electrolyte
terminating
groups.
review
particularly
emphasizes
methods
freestanding
materials.
The
points
out
that
biggest
problem
electrodes
is
severe
self‐stacking,
which
reduces
number
chemically
active
sites,
weakens
ion
accessibility,
ultimately
lowers
performance.
Therefore,
it
necessary
to
other
electrode
design
a
good
microstructure.
affirms
enormous
potential
in
field
In
addition,
challenges
possible
improvements
faced
by
based
practical
applications
were
also
discussed.
