Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(44)
Published: Aug. 8, 2024
Abstract
Flexible
and
high‐performance
aqueous
zinc‐ion
batteries
(ZIBs),
coupled
with
low
cost
safe,
are
considered
as
one
of
the
most
promising
energy
storage
candidates
for
wearable
electronics.
Hydrogel
electrolytes
present
a
compelling
alternative
to
liquid
due
their
remarkable
flexibility
clear
advantages
in
mitigating
parasitic
side
reactions.
However,
hydrogel
suffer
from
poor
mechanical
properties
interfacial
chemistry,
which
limits
them
suppressed
performance
levels
flexible
ZIBs,
especially
under
harsh
strains.
Herein,
bio‐inspired
multifunctional
electrolyte
network
(polyacrylamide
(PAM)/trehalose)
improved
adhesive
was
developed
via
simple
trehalose
network‐repairing
strategy
stabilize
chemistry
dendrite‐free
long‐life
ZIBs.
As
result,
trehalose‐modified
PAM
exhibits
superior
strength
stretchability
up
100
kPa
5338
%,
respectively,
well
strong
various
substrates.
Also,
PAM/trehalose
provides
anti‐corrosion
capability
Zn
anode
regulates
nucleation/growth,
resulting
achieving
high
Coulombic
efficiency
98.8
long‐term
stability
over
2400
h.
Importantly,
Zn//MnO
2
pouch
cell
excellent
cycling
different
bending
conditions,
offers
great
potential
energy‐related
applications
beyond.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(28)
Published: May 7, 2024
Abstract
Alkali
metals
(e.g.
Li,
Na,
and
K)
multivalent
Zn,
Mg,
Ca,
Al)
have
become
star
anodes
for
developing
high‐energy‐density
rechargeable
batteries
due
to
their
high
theoretical
capacity
excellent
conductivity.
However,
the
inevitable
dendrites
unstable
interfaces
of
metal
pose
challenges
safety
stability
batteries.
To
address
these
issues,
covalent
organic
frameworks
(COFs),
as
emerging
materials,
been
widely
investigated
regular
porous
structure,
flexible
molecular
design,
specific
surface
area.
In
this
minireview,
we
summarize
research
progress
COFs
in
stabilizing
anodes.
First,
present
origins
delve
into
advantages
based
on
physical/chemical
properties
alkali
metals.
Then,
special
attention
has
paid
application
host
design
anodes,
artificial
solid
electrolyte
interfaces,
additives,
solid‐state
electrolytes,
separator
modifications.
Finally,
a
new
perspective
is
provided
from
pore
modulation,
synthesis
COFs.
Small,
Journal Year:
2024,
Volume and Issue:
20(43)
Published: June 29, 2024
Conductive
flexible
hydrogels
have
attracted
immense
attentions
recently
due
to
their
wide
applications
in
wearable
sensors.
However,
the
poor
mechanical
properties
of
most
conductive
polymer
limit
utilizations.
Herein,
a
double
network
hydrogel
is
fabricated
via
self-sorting
process
with
cationic
polyacrylamide
as
first
and
lantern[3
Abstract
With
the
aging
and
obesity
era,
increasing
incidence
of
diabetes
diabetic
complications,
especially
non‐healing
wounds,
imposes
a
serious
economic
burden
on
both
patients
society.
The
complex
microenvironments,
including
hyperglycemia,
bacterial
infection,
ischemia,
nerve
damage,
lead
to
prolonged
inflammation
proliferation
phase
wounds.
Mesenchymal
stem
cell‐derived
small
extracellular
vesicles
(MSC‐sEVs),
which
contain
rich
variety
therapeutic
molecules,
have
been
chased
for
decades
because
their
potential
roles
in
cellular
communication,
tissue
regeneration,
drug
delivery.
As
powerful
tools
controlled‐sustained
release
sEVs,
biocompatible
hydrogels
applied
wide
range
biomedical
applications.
Herein,
we
first
summarize
pathological
features
such
as
angiopathy,
neuropathy,
immune
cell
dysfunction.
Then,
discuss
biological
properties,
performance,
stability
pure
MSC‐sEVs.
After
that,
components,
application
patterns,
responsiveness
hydrogels.
Next,
loading
avenues
MSC‐sEVs
into
hydrogel,
behaviors
sEVs
from
hydrogels,
influence
crosslinking
method
hydrogel‐sEV
composites.
Finally,
provide
an
overview
current
applications
loaded
with
novel
cell‐free
engineering
system
managing
wounds
propose
critical
unsolved
issues.
This
review
is
expected
meaningful
guidance
developing
wound
management.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(21)
Published: March 23, 2024
Abstract
Hydrogels
hold
great
promise
as
electrolytes
for
emerging
aqueous
batteries,
which
establishing
a
robust
electrode‐hydrogel
interface
is
crucial
mitigating
side
reactions.
Conventional
hydrogel
fabricated
by
ex
situ
polymerization
through
either
thermal
stimulation
or
photo
exposure
cannot
ensure
complete
interfacial
contact
with
electrodes.
Herein,
we
introduce
an
in
electropolymerization
approach
constructing
electrolytes.
The
spontaneously
generated
during
the
initial
cycling
of
battery,
eliminating
need
additional
initiators
polymerization.
involvement
electrodes
synthesis
yields
well‐bonded
and
deep
infiltrated
electrode‐electrolyte
interfaces.
As
case
study,
attest
that,
situ‐formed
polyanionic
Zn‐MnO
2
battery
substantially
improves
stability
kinetics
both
Zn
anode
porous
MnO
cathode
owing
to
This
research
provides
insight
function
electrolyte
interfaces
constitutes
critical
advancement
designing
highly
durable
batteries.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 5, 2024
Abstract
Aqueous
zinc
ion
batteries
coupling
with
conventional
hydrogel
electrolyte
have
the
advantages
of
high
safety,
low
cost,
and
simple
manufacturing
process
while
they
are
difficult
for
fast
charging/discharging
application
scenarios
due
to
sluggish
kinetics.
Herein,
a
new
strategy
is
developed
synthesizing
highly‐entangled
polyacrylamide
(HE‐PAM)
dramatically
enhance
transportation
mechanical
stability.
The
has
lower
ionic
resistance
strong
elastic
modulus.
After
being
assembled
into
Zn/MnO
2
batteries,
HE‐PAM
exhibits
excellent
cycling
stability
high‐rate
capability
under
current
densities.
Specifically,
Zn//HE‐PAM//MnO
battery
can
resist
highest
35
A
g
−1
,
which
outperforms
previously
reported
works.
Moreover,
also
support
in
proton
capacity
retention
rate
50%
50
.
This
progress
on
electrolytes
boost
development
quasi‐solid‐state
aspect.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
This
study
presents
a
novel
anti‐fatigue
hydrogel
electrolyte
with
slip‐ring
structure
for
next‐generation
flexible
wearable
energy
storage
systems.
Conventional
quasi‐solid
aqueous
zinc‐ion
batteries
(ZIBs)
electrolytes
often
suffer
from
mechanical
degradation
under
repeated
stress,
limiting
practical
use.
To
overcome
this,
dual‐Polyrotaxane
(DPR)‐polyacrylic
acid
(PAA)
unique
architecture
is
synthesized,
that
enhances
durability,
self‐healing,
and
adhesion.
The
interwoven
DPR
PAA
networks
distribute
stress
evenly,
ensuring
high
ionic
conductivity
while
preventing
zinc
dendrites
parasitic
reactions
uniform
deposition
during
cycling.When
applied
to
quasi‐solid‐state
Zn‐MnO₂
battery,
this
achieves
specific
capacity
of
295
mAh
g⁻¹
MnO₂
at
0.5C,
retains
147
5C,
shows
81.52%
retention
after
1000
cycles.
battery
also
demonstrates
exceptional
stability,
pairs
lasting
over
1750
h
5
mA
cm⁻
2
.
Furthermore,
it
maintains
reliable
operation
stresses
like
pressing,
folding,
twisting,
making
ideal
applications.
work
advances
design,
offering
durable,
high‐performance
solution
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(10)
Published: Jan. 18, 2024
Abstract
The
advancement
of
highly
secure
and
inexpensive
aqueous
zinc
ion
energy
storage
devices
is
impeded
by
issues,
including
dendrite
growth,
hydrogen
evolution
corrosion
anodes.
It
essential
to
modify
the
interface
anodes
that
homogenizes
flux
facilitates
reversible
planarized
deposition
stripping.
Herein,
coupling
coordination
with
acid‐base
neutralization
under
driving
electrophoresis,
manageable
mesoscopic
phase
separation
for
constructing
chitosan
frameworks
was
achieved,
thereby
fabricating
interconnected
mesoporous
membranes
based
heterogeneous
quasi‐solid‐state
electrolytes
integrated
framework
constructed
twisted
nanofiber
bundles,
forming
a
three‐dimensional
continuous
spindle‐shaped
pore
structure.
With
this
framework,
electrolyte
provides
exceptional
conductivity
25.1
mS
cm
−1
,
puncture
resistance
strength
2.3
GPa.
In
addition,
amino
groups
molecule
can
make
surface
positively
charged.
Thus,
successfully
induced
synergistic
effect
stress
constraint
electrostatic
modulation.
As
result,
as‐assembled
capacitor
has
an
excellent
cycle
life
sustains
capacity
over
95
%
after
20000
cycles
at
current
density
5
A
g
.
This
research
presents
constructive
strategy
stable
electrolytes‐integrated