Sensors,
Journal Year:
2024,
Volume and Issue:
24(10), P. 3232 - 3232
Published: May 19, 2024
In
recent
years,
hydrogel-based
wearable
flexible
electronic
devices
have
attracted
much
attention.
However,
sensors
are
affected
by
structural
fatigue,
material
aging,
and
water
absorption
swelling,
making
stability
accuracy
a
major
challenge.
this
study,
we
present
DN-SPEZ
dual-network
hydrogel
prepared
using
polyvinyl
alcohol
(PVA),
sodium
alginate
(SA),
ethylene
glycol
(EG),
ZnSO4
propose
self-calibration
compensation
strategy.
The
strategy
utilizes
metal
salt
solution
to
adjust
the
carrier
concentration
of
mitigate
resistance
drift
phenomenon
improve
in
amphibious
scenarios,
such
as
land
water.
ExpGrow
model
was
used
characterize
trend
∆R/R0
dynamic
response
curves
hydrogels
stress
tests,
average
deviation
fitted
ϵ¯
calculated
quantify
differences
different
groups.
results
showed
that
uncompensated
group
lower
than
compensated
utilizing
LiCl,
NaCl,
KCl,
MgCl2,
AlCl3
solutions
(ϵ¯
air
276.158,
1.888,
2.971,
30.586,
13.561
times
higher
AlCl3,
respectively;
seawater
10.287
times,
1.008
1.161
4.986
1.281
respectively,
MgCl2
AlCl3).
addition,
for
ranking
effect
solutions,
ionic
radius
charge
cation
were
found
be
important
factors
determining
effect.
Detection
events
environments
swallowing,
robotic
arm
grasping,
Morse
code,
finger–wrist
bending
also
performed
study.
This
work
provides
viable
method
enhancement
with
strain
pressure
sensing
capabilities
offers
sensor
applications
both
airborne
underwater
environments.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(18), P. 6640 - 6655
Published: Jan. 1, 2024
A
polycation-regulated
hydrogel
electrolyte
with
nanoscale
hydrophobic
confinement
addresses
dendrites,
corrosion,
and
lifespan
issues
in
AZIBs
by
regulating
the
electric
field,
enhancing
Zn
2+
migration,
guiding
Zn(002)
plane
growth.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
The
space
charge
layer
(SCL)
dilemma,
caused
by
mobile
anion
concentration
gradient
and
the
rapid
consumption
of
cations,
is
fundamental
reason
for
generation
zinc
dendrites,
especially
under
high-rate
discharge
conditions.
To
address
issue,
a
physical
(PbTiO
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
Abstract
Quasi‐solid‐state
aqueous
zinc
ion
batteries
suffer
from
anodic
dendrite
growth
during
plating/stripping
processes,
impeding
their
commercial
application.
The
inhibition
of
dendrites
by
high‐modulus
electrolytes
has
been
proven
to
be
effective.
However,
hydrogel
are
difficult
achieve
high
modulus
owing
inherent
water
contents.
This
work
reports
a
electrolyte
with
ultrahigh
that
can
overcome
the
stress
through
mechanical
suppression
effect.
By
combining
wet‐annealing,
solvent‐exchange,
and
salting‐out
processes
tuning
hydrophobic
crystalline
domains,
is
obtained
substantial
content
(≈70%),
(198.5
MPa),
toughness
(274.3
MJ
m
−3
),
zinc‐ion
conductivity
(28.9
mS
cm
−1
which
significantly
outperforms
previously
reported
poly(vinyl
alcohol)‐based
hydrogels.
As
result,
exhibits
excellent
dendrite‐suppression
effect
achieves
stable
performance
in
Zn||Zn
symmetric
(1800
h
cycle
life
at
1
mA
−2
).
Moreover,
Zn||V
2
O
5
pouch
display
cycling
operate
stably
even
under
extreme
conditions,
such
as
large
bending
angle
(180°)
automotive
crushing.
provides
promising
approach
for
designing
mechanically
reliable
advanced
batteries.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(33), P. 21531 - 21552
Published: Jan. 1, 2024
This
review
provides
a
summary
of
recent
advancements
in
1D/2D
carbon
materials
(carbon
nanotubes,
graphene,
MXenes,
and
fibers)
for
FZIBs.
It
mainly
introduces
the
functions
enhancing
performance
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
unique
electron/ion
dual
regulation
mechanism
is
established
in
the
well-designed
hydrogel
electrolyte
by
integrating
polyacrylamide
network
and
carboxylated
multi-walled
carbon
nanotubes
for
high
performance
flexible
ZIBs.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: March 19, 2025
Abstract
The
development
of
flexible
zinc-ion
batteries
(ZIBs)
faces
a
three-way
trade-off
among
the
ionic
conductivity,
Zn
2+
mobility,
and
electrochemical
stability
hydrogel
electrolytes.
To
address
this
challenge,
we
designed
cationic
named
PAPTMA
to
holistically
improve
reversibility
ZIBs.
long
branch
chains
in
polymeric
matrix
construct
express
pathways
for
rapid
transport
through
an
repulsion
mechanism,
achieving
simultaneously
high
transference
number
(0.79)
conductivity
(28.7
mS
cm
−1
).
Additionally,
reactivity
water
hydrogels
is
significantly
inhibited,
thus
possessing
strong
resistance
parasitic
reactions.
Mechanical
characterization
further
reveals
superior
tensile
adhesion
strength
PAPTMA.
Leveraging
these
properties,
symmetric
employing
deliver
exceeding
6000
h
reversible
cycling
at
1
mA
−2
maintain
stable
operation
1000
with
discharge
depth
71%.
When
applied
4
×
2
pouch
cells
MnO
as
cathode
material,
device
demonstrates
remarkable
operational
mechanical
robustness
150
cycles.
This
work
presents
eclectic
strategy
designing
advanced
that
combine
enhanced
reactions,
paving
way
long-lasting
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
Abstract
In
recent
years,
aqueous
zinc
ion
batteries
(ZIBs)
with
ultra‐high
safety
and
environmental
friendliness
have
emerged
as
a
promising
candidates
for
energy
storage
conversion
devices.
However,
the
severe
side
reactions
dendrites
issues
discourage
practical
application
of
ZIBs.
Recently,
biopolymer‐based
gel
electrolytes
disclosed
large
potential
in
tackling
these
challenges
ZIBs,
numerous
advancements
reported.
Their
advantages
lie
suppressing
including
hydrogen
evolution
Zn
metal
anode
corrosion,
well
inhibiting
growth
dendrites.
This
review
comprehensively
examines
classification,
structures
properties
electrolytes,
focus
on
hydrogel
derived
from
various
natural
macromolecular
biopolymers,
along
brief
discussion
non‐hydrogel
using
ionic
liquids
or
organic
solutions
solvents.
Subsequently,
preparation
physical
chemical
methods
are
summarized.
Furthermore,
applications
ZIBs
diverse
cathodes
materials
introduced.
Finally,
it
highlights
benefits
excellent
electrochemical
performance
outlining
their
prospects
next
generation
proposing
future
perspectives.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
superelastic,
high
ionic
conductivity
and
environment-friendly
hydrogel
electrolyte
is
developed
based
on
the
unique
advantages
of
α-helical
proteins.