Synergistic crosslinking to enhance the performance of hydrogel fibers: from material preparation to the realization of wearable devices
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2025,
Номер
unknown, С. 136678 - 136678
Опубликована: Март 1, 2025
Язык: Английский
Insights into Dendrite Regulation by Polymer Hydrogels for Aqueous Batteries
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Aqueous
batteries,
renowned
for
their
high
capacity,
safety,
and
low
cost,
have
emerged
as
promising
candidates
next-generation,
sustainable
energy
storage.
However,
large-scale
application
is
hindered
by
challenges,
such
dendrite
formation
side
reactions
at
the
anode.
Hydrogel
electrolytes,
which
integrate
advantages
of
liquid
solid
phases,
exhibit
superior
ionic
conductivity
interfacial
compatibility,
giving
them
potential
to
suppress
evolution.
This
Perspective
first
briefly
introduces
fundamentals
underlying
unique
features
hydrogels.
It
then
identifies
key
role
water
polymer
networks
in
inhibiting
formation,
highlighting
regulation
activity,
ion
transport,
electrode
kinetics.
By
elucidating
principles
hydrogels
suppression,
this
work
aims
provide
valuable
insights
advance
implementation
aqueous
batteries
incorporating
Язык: Английский
Asymmetric Kosmotropism‐Stabilized Double‐Layer Hydrogel for Low‐Cost Neutral Zinc‐Air Battery
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 5, 2024
Abstract
Zinc
air
battery
(ZAB)
provides
a
low‐cost
and
high‐energy
density
power
source,
particularly
in
wearable
portable
devices.
Despite
the
extensive
research
on
cathode
catalysts,
their
practical
application
is
hindered
by
low
zinc
utilization
rate
severe
corrosion
passivation
liquid‐based
alkaline
electrolytes.
Herein,
double‐layer
gel
(DLKgel)
developed
leveraging
distinct
kosmotropic
properties
of
ZnCl
2
ZnSO
4
.
Through
phase
separation
induced
differentiation
(instead
membrane
decoupled
systems),
this
DLKgel
electrolyte
serves
dual
purpose
shielding
from
irreversible
reaction
products
protecting
Zn
anode
passivation.
Neutral
ZABs
with
demonstrate
high
89.3%
stable
cycling
over
800
h
under
current
0.1
mA
cm
−2
The
integration
DLKgel‐based
into
flexible
GPS
tracking
device
demonstrated,
highlighting
potential
for
broad
adoption
logistics
applications.
Язык: Английский
Sulfocontaining polyelectrolyte cryogels as metamaterials for energy storage devices
Polymer International,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 29, 2024
Abstract
A
set
of
ionic
cryogels
based
on
the
biocompatible
zwitterionic
polyelectrolyte
N
‐(3‐sulfopropyl)‐
‐(methacryloxyethyl)‐
,
‐dimethylammonium
betaine
and
a
second
comonomer
different
nature
(from
class
acrylates,
acetates
or
sulfonic
acids)
is
successfully
synthesized.
The
variation
used
allows
material
to
be
obtained
with
controlled
pore
sizes
hierarchical
porosity
as
proved
by
SEM,
optical
microscopy
2
adsorption–desorption
experiments.
compositions
good
adhesive
properties
electrode,
well
effective
ion
exchange
during
an
electrochemical
reaction
inside
cryogels,
which
shown
reversible
copper
recharge
processes
after
doping
cryogel
ions,
are
determined.
Thus,
that
meet
primary
requirements
for
use
polymer
electrolytes
batteries
synthesized
characterized.
©
2024
Society
Chemical
Industry.
Язык: Английский