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 International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Uncontrollable
interfacial
side
reactions
generated
from
common
aqueous
electrolytes,
just
like
the
hydrogen
evolution
reaction
(HER)
and
dendrite
growth,
have
severely
prevented
practical
application
of
zinc-ion
batteries
(ZIBs).
Solid-state
ZIBs
are
considered
to
be
an
efficient
strategy
by
adopting
high-quality
solid-state
electrolytes
(SSEs).
Here,
confining
deep
eutectic
electrolyte
(DEE)
into
nanochannels
metal-organic
framework
(MOF)-PCN-222,
a
stable
DEE@PCN-222
SSE
with
internal
Zn
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.
