ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Developing
ionotronic
interface
layers
for
zinc
anodes
with
superior
mechanical
integrity
is
one
of
the
efficient
strategies
to
suppress
growth
dendrites
in
favor
cycling
stability
aqueous
zinc-ion
batteries
(AZIBs).
Herein,
we
assembled
robust
2D
MXene-based
hydrogel
films
cross-linked
by
1D
cellulose
nanofibril
(CNF)
dual
networks,
acting
as
stabilize
Zn
anodes.
The
MXene-CNF
integrated
multifunctionalities,
including
a
high
in-plane
toughness
18.39
MJ
m-3,
in-plane/out-of-plane
elastic
modulus
0.85
and
3.65
GPa,
mixed
electronic/ionic
(ionotronic)
conductivity
1.53
S
cm-1
0.52
mS
cm-1,
zincophilicity
binding
energy
(1.33
eV)
low
migration
barrier
(0.24
Zn2+.
These
endowed
coupled
multifield
effects,
strong
stress
confinement
uniform
ionic/electronic
field
distributions
on
anodes,
effectively
suppressed
dendrite
growth,
proven
experiments
simulations.
An
example
MXene-CNF|Zn
showed
reduced
nucleation
overpotential
19
mV,
an
extended
life
over
2700
h
Zn||Zn
cells,
capacity
323
mAh
g-1
Zn||MnO2
compared
bare
Zn.
This
work
offers
approach
exploring
mechanically
1D/2D
AZIBs.
International Journal of Biological Macromolecules,
Journal Year:
2023,
Volume and Issue:
251, P. 126287 - 126287
Published: Aug. 11, 2023
Cellulose
nanocrystals
(CNCs)
have
gained
significant
attraction
from
both
industrial
and
academic
sectors,
thanks
to
their
biodegradability,
non-toxicity,
renewability
with
remarkable
mechanical
characteristics.
Desirable
characteristics
of
CNCs
include
high
stiffness,
strength,
excellent
flexibility,
large
surface-to-volume
ratio.
Additionally,
the
properties
can
be
tailored
through
chemical
modifications
for
high-end
applications
including
tissue
engineering,
actuating,
biomedical.
Modern
manufacturing
methods
3D/4D
printing
are
highly
advantageous
developing
sophisticated
intricate
geometries.
This
review
highlights
major
developments
additive
manufactured
CNCs,
which
promote
sustainable
solutions
across
a
wide
range
applications.
this
contribution
also
presents
current
challenges
future
research
directions
CNC-based
composites
developed
techniques
myriad
engineering
sectors
wound
healing,
wearable
electronics,
robotics,
anti-counterfeiting
Overall,
will
greatly
help
scientists
chemistry,
materials,
biomedicine,
other
disciplines
comprehend
underlying
principles,
properties,
additively
structures.
Journal of Materiomics,
Journal Year:
2024,
Volume and Issue:
11(1), P. 100841 - 100841
Published: March 6, 2024
Recently,
multifunctional
materials
have
received
widespread
attention
from
researchers.
Cellulose
nanofibers
(CNF)
is
one
of
biomass
with
abundant
hydroxyl
groups,
which
shows
great
potential
in
manufacturing
composite
material.
In
this
paper,
a
kind
polyaniline@CNF/polyvinyl
alcohol-H2SO4
material
(PANI@CNF/PVA-H2SO4)
was
successfully
designed
by
in-situ
chemical
polymerization
conductive
polyaniline
(PANI)
onto
CNF
aerogel
high
aspect
ratio,
and
then
coated
PVA-H2SO4
gel.
The
has
specific
capacitance
502.2
F/g
at
scan
rate
5
mV/s
as
supercapacitor
electrode.
Furthermore,
when
the
assembled
into
symmetrical
supercapacitor,
it
can
still
provide
an
energy
density
11.49
W
h/kg
power
413.55
W/kg.
Besides,
as-obtained
PANI@CNF/PVA-H2SO4
excellent
electromagnetic
shielding
performance
34.75
dB
X-band.
addition,
due
to
flexibility
PVA,
composites
be
further
applied
stress
sensors
detect
pressure
human
motion
signals.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Abstract
High
mechanical
strength,
toughness,
and
fatigue
resistance
are
essential
to
improve
the
reliability
of
conductive
hydrogels
for
self‐powered
sensing.
However,
achieving
mutually
exclusive
properties
simultaneously
remains
challenging.
Hence,
a
novel
directed
interlocking
strategy
based
on
topological
network
structure
training
is
proposed
construct
tough
by
optimizing
modulating
orientation
molecular
chains.
Combining
Zn
2+
crosslinked
cellulose
nanofibers
(CNFs)
polyacrylamide‐poly(vinyl
alcohol)
double‐network,
unique
interlocked‐network
exhibits
an
enhanced
toughening
effect
due
hydrogen
bonding
metal‐ligand
interactions.
The
aligned
nanocrystalline
domains
achieved
further
contribute
increase
in
toughness
thresholds.
This
innovative
approach
synergistically
enhances
nano‐conductive
hydrogel,
maximum
tensile
strength
4.98
MPa
48
MJ
m
−3
.
Notably,
CNFs
template
with
anchored
polyaniline,
when
oriented
through
training,
forms
directional
pathway,
which
significantly
power
output
performance.
Besides,
motion
recognition
system
sensing
device
designed
assistance
deep
learning
techniques
accurately
identify
human
behaviors.
work
showcases
potentially
transformative
flexible
electronic
material
systems
intelligent
systems.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(2), P. 279 - 300
Published: Jan. 16, 2024
Flexible
crystals
have
gained
significant
attention
owing
to
their
remarkable
pliability,
plasticity,
and
adaptability,
making
them
highly
popular
in
various
research
application
fields.
The
main
challenges
developing
flexible
lie
the
rational
design,
preparation,
performance
optimization
of
such
crystals.
Therefore,
a
comprehensive
understanding
fundamental
origins
crystal
flexibility
is
crucial
for
establishing
evaluation
criteria
design
principles.
This
Perspective
offers
retrospective
analysis
development
over
past
two
decades.
It
summarizes
elastic
standards
possible
plastic
bending
mechanisms
tailored
diverse
analyzes
assessment
theoretical
basis
applicability.
Meanwhile,
compatibility
between
elasticity
plasticity
has
been
discussed,
unveiling
immense
prospects
elastic/plastic
applications
biomedicine,
electronic
devices,
optics.
Furthermore,
this
presents
state-of-the-art
experimental
avenues
methods
investigating
molecular
interactions
crystals,
which
vital
future
exploration
flexibility.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(10), P. 12996 - 13005
Published: Feb. 29, 2024
Flexible
pressure
sensors
are
intensively
demanded
in
various
fields
such
as
electronic
skin,
medical
and
health
detection,
wearable
electronics,
etc.
MXene
is
considered
an
excellent
sensing
material
due
to
its
benign
metal
conductivity
adjustable
interlayer
distance.
Exhibiting
both
high
sensitivity
long-term
stability
currently
urgent
pursuit
MXene-based
flexible
sensors.
In
this
work,
high-strength
methylcellulose
was
introduced
into
the
film
increase
distance
of
2D
nanosheets
fundamentally
overcome
self-stacking
problem.
Thus,
concurrent
improvement
capability
mechanical
strength
obtained.
By
appropriately
modulating
ratio
MXene,
obtained
sensor
presents
a
19.41
kPa–1
(0.88–24.09
kPa),
good
(10000
cycles),
complete
biodegradation
H2O2
solution
within
2
days.
Besides,
capable
detecting
wide
range
human
activities
(pulse,
gesture,
joint
movement,
etc.)
can
precisely
recognize
spatial
distribution,
which
serves
candidate
for
next-generation
devices.
Giant,
Journal Year:
2024,
Volume and Issue:
19, P. 100299 - 100299
Published: June 5, 2024
In
the
era
of
smart
and
sustainable
technology
driven
by
naturally
occurring
materials,
various
nanocellulose-based
materials
play
a
crucial
role.
Shape
memory
behaviour
self-healing
capabilities
nanocelluloses
are
emerging
as
focal
points
in
numerous
research
domains.
Nanocellulose
its
derivatives
such
cellulose
nanocrystals
(CNC)
nanofibers
(CNF),
currently
limelight
due
to
their
excellent
shape-memory
properties,
making
them
suitable
for
multifunctional
devices.
this
regard,
CNF,
cutting-edge
material,
has
spurred
researchers
explore
potential
developing
contemporary
personalized
health
Therefore,
timely
comprehensive
review
is
essential
gain
deep
insights
into
effectiveness
CNF
Herein,
we
first
provide
succinct
introduction
all
nanocellulose
materials.
This
also
depicts
recent
advancements
breakthroughs
large
effective
synthesis
CNF-based
hybrid
Next,
focusing
on
performance,
sheds
new
light
advanced
applications
Finally,
perspectives
current
challenges
opportunities
field
summarized
future
an
in-depth
understanding
"CNF-based
materials."
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 12, 2025
Flexible
on-skin
electronics
present
tremendous
popularity
in
intelligent
electronic
skins
(e-skins),
healthcare
monitoring,
and
human-machine
interfaces.
However,
the
reported
e-skins
can
hardly
provide
high
permeability,
good
stretchability,
large
sensitivity
are
limited
long-term
stability
efficient
recyclability
when
worn
on
human
body.
Herein,
inspired
from
skin,
a
permeable,
stretchable,
recyclable
cellulose
aerogel-based
system
is
developed
by
sandwiching
screen-printed
silver
sensing
layer
between
biocompatible
CNF/HPC/PVA
(cellulose
nanofiber/hydroxypropyl
cellulose/poly(vinyl
alcohol))
aerogel
hypodermis
permeable
polyurethane
as
epidermis
layer.
The
displays
tensile
strength
of
1.14
MPa
strain
43.5%
while
maintaining
permeability.
embrace
appealing
performances
with
(gauge
factor
≈
238),
ultralow
detection
limit
(0.1%),
fast
response
time
(18
ms)
under
stimulus.
Owing
to
disconnection
reconnection
microcracks
layer,
both
strain/humidity
thermal
be
easily
achieved.
further
integrated
into
an
mask
for
patient-centered
power
supply
system,
switching
control
device,
wireless
Bluetooth
module.
Moreover,
prepared
enables
wearing
skin
without
irritation,
all
components
recaptured/reused
water.
This
material
strategy
highlights
potential
next-generation
permeability
environmental
friendliness.
