Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
Abstract
Flexible
wearable
devices
are
revolutionizing
the
electronics
industry
with
their
lightweight,
flexible,
intelligent,
and
efficient
characteristics.
supercapacitors
(FSCs)
promising
energy
storage
for
due
to
high
security,
power
density,
long
service
life.
Nanocellulose,
a
low‐cost
environmentally
friendly
material,
has
emerged
as
candidate
FSC
electrodes
electrolytes,
owing
its
degradable
renewable
properties,
excellent
mechanical
behaviors.
This
review
aims
provide
fresh
perspective
on
optimizing
FSCs
by
nanocellulose
superior
storage.
The
exploration
begins
detailing
preparation
of
various
types
unique
structures.
Subsequently,
latest
research
progress
in
crafting
diverse
composites,
including
conductive
polymers,
metal
compounds,
carbon
nanomaterials
is
comprehensively
discussed.
Additionally,
gel
electrolyte
materials
composed
composites
examined
detail.
previous
findings
consolidated,
offering
reference
point
further
this
context.
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 27, 2024
ABSTRACT
Flexible
sensors
exhibit
the
properties
of
excellent
shape
adaptability
and
deformation
ability,
which
have
been
applied
for
environmental
monitoring,
medical
diagnostics,
food
safety,
smart
systems,
human–computer
interaction.
Cellulose‐based
hydrogels
are
ideal
materials
fabrication
flexible
due
to
their
unique
three‐dimensional
structure,
renewability,
ease
processing,
biodegradability,
modifiability,
good
mechanical
properties.
This
paper
comprehensively
reviews
recent
advances
cellulose‐based
in
construction
sensor
applications.
The
characteristics,
mechanisms,
advantages
prepared
by
physical
cross‐linking,
chemical
cross‐linking
respectively
analyzed
summarized
detail.
focus
then
turns
research
development
hydrogel
sensors,
including
sensing
(pressure/strain,
humidity/temperature,
optical
sensing),
(chromium,
copper,
mercury
ion
sensing,
toxic
gas
nitrite
biosensing
(glucose,
antibody,
cellular
sensing).
Additionally,
limitations
along
with
key
challenges
future
directions,
discussed.
It
is
anticipated
that
this
review
will
furnish
invaluable
insight
advancement
novel
green,
facilitate
integration
as
a
fundamental
component
multifunctional
technologies,
thereby
expediting
design
innovative
near
future.
Journal of Materials Chemistry C,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
We
report
a
hydrophobically
associating
hydrogel.
This
conductive
hydrogel
boasts
excellent
stretchability,
outstanding
anti-swelling
ability,
and
strong
underwater
adhesion.
The
hydrogel-based
sensor
holds
great
promise
for
communication.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(4), P. 298 - 298
Published: Feb. 15, 2025
Flexible
sensors
are
revolutionizing
our
lives
as
a
key
component
of
intelligent
wearables.
Their
pliability,
stretchability,
and
diverse
designs
enable
foldable
portable
devices
while
enhancing
comfort
convenience.
Advances
in
materials
science
have
provided
numerous
options
for
creating
flexible
sensors.
The
core
their
application
areas
like
electronic
skin,
health
medical
monitoring,
motion
human-computer
interaction
is
selecting
that
optimize
sensor
performance
weight,
elasticity,
comfort,
flexibility.
This
article
focuses
on
sensors,
analyzing
"sensing
mechanisms-materials-applications"
framework.
It
explores
development
trajectory,
material
characteristics,
contributions
various
domains
such
interaction.
concludes
by
summarizing
current
research
achievements
discussing
future
challenges
opportunities.
expected
to
continue
expanding
into
new
fields,
driving
the
evolution
smart
wearables
contributing
society.
Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 262 - 262
Published: April 2, 2025
Microbial-derived
materials
are
emerging
for
applications
in
biomedicine,
sensors,
food,
cosmetics,
construction,
and
fashion.
They
offer
considerable
structural
properties
process
reproducibility
compared
to
other
bio-based
materials.
However,
challenges
related
efficient
sustainable
large-scale
production
of
microbial-derived
must
be
addressed
exploit
their
potential
fully.
This
review
analyzes
the
synergistic
contribution
circular,
sustainable,
biotechnological
approaches
enhance
bacterial
cellulose
(BC)
fine-tune
its
physico-chemical
properties.
BC
was
chosen
as
an
ideal
example
due
mechanical
strength
chemical
stability,
making
it
promising
industrial
applications.
The
discusses
upcycling
strategies
that
utilize
waste
microbial
fermentation,
simultaneously
boosting
production.
Additionally,
biotechnology
techniques
identified
key
yield
tailor
Among
different
areas
where
cellulose-based
employed,
shows
promise
mitigating
environmental
impact
garment
industry.
emphasizes
integrating
circular
could
significantly
improve
tunability
these
may
provide
benefits,
depending
on
future
progresses.
Future
advancements
should
prioritize
fermentation
expand
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 30, 2025
Flexible
solid-state
supercapacitors
show
significant
potential
for
wearable
electronics;
however,
achieving
simultaneous
mechanical
robustness
and
high
ionic
conductivity
remains
challenging.
In
this
work,
a
polyacrylamide
(PAM)/cellulose
nanocrystal
(CNC)-based
hydrogel
electrolyte
loading
with
carboxymethyl
cellulose
(CMC)
is
engineered
to
address
limitation
(PAM/CNC-CMC-Zn2+).
Incorporating
CNC
improved
the
properties
of
hydrogels,
while
subsequently
adding
CMC-Na
enriched
hydrophilic
groups
(─OH
─COO-)
into
PAM/CNC
hydrogels
disrupted
hydrogen-bond
networks
within
ZnSO4
electrolyte,
thereby
optimizing
Zn2+
solvation
sheath
structure.
This
modification
suppressed
corrosion
currents
minimized
side
reactions.
The
demonstrated
outstanding
properties,
including
tensile
strength
0.22
MPa,
stretchability
(1452.1%),
remarkable
fracture
toughness
(0.98
MJ
m-3).
zinc-ion
capacitors
(Zn
//
PAM/CNC-CMC-Zn2+
AC)
demonstrate
exceptional
electrochemical
performance,
specific
capacitance
151.4
F
g⁻¹
at
0.5
A
g⁻¹,
coupled
power
density
1150
W
kg⁻¹
(at
10.9
Wh
kg⁻¹).
Notably,
device
exhibits
performance
stability,
maintaining
its
functionality
under
folding
retaining
efficiency
after
10
000
long
charge-discharge
cycles.
These
multiscale
cellulose-based
design
highlights
electrolyte's
dual
in
balancing
adaptability
efficiency,
offering
solution
next-generation
energy
storage
systems.
