Altering the Zn2+ Migration Mechanism Enables the Composite Hydrogel Electrolytes with High Zn2+ Conduction and Superior Anti‐Dehydration
Qingqing Zheng,
No information about this author
Liyang Liu,
No information about this author
Zewei Hu
No information about this author
et al.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Hydrogel
electrolytes
are
favored
for
flexible
zinc‐ion
batteries
(FZIBs)
due
to
their
biocompatibility.
Their
application
progress,
however,
is
severely
restricted
by
the
poor
water
retention
and
low
Zn
2+
transference
number
(t
).
Herein,
one
composite
polymer
electrolyte
(CPE)
prepared
introducing
Prussian
blues
(PBs)
as
multifunctional
fillers
in
polyvinyl
alcohol
(PVA)
matrix
enhance
t
.
Experimental
theoretical
characterizations
confirm
that
PB
filler
can
alter
migration
mechanism
trap
of
CPE.
PBs
active
provide
extra
zinc
ions
unique
3D
ion
diffusion
channels.
Moreover,
metal
centers
framework
function
Lewis
acid
sites
have
good
affinity
with
anions
salt,
facilitating
dissociation
salt.
Additionally,
absorb
coordination
water,
enhancing
anti‐dehydration
capability
ionic
conductivity
hydrogel
electrolytes.
Consequently,
P‐15/Zn‐15
shows
high
16.3
mS
cm⁻
1
0.63.
The
Zn||Zn
symmetric
cells
stably
operate
600
h
at
50
°C.
Zn||P‐15/Zn‐15||
NaV
3
O
8
·1.5H
2
full
cell
exhibits
excellent
cycling
performance
cycles.
Language: Английский
Molecular Design of Electron‐Rich Polyoxometalates Based Clusters Enabling Intelligent Energy Storage
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 31, 2025
Abstract
The
fabrication
of
molecular
cluster‐based
intelligent
energy
storage
systems
remains
a
significant
challenge
due
to
the
intricacies
multifunctional
integration
at
level.
In
this
work,
low‐valent
metal
atoms
are
successfully
encapsulated
within
ɛ
‐type
Keggin
structures,
yielding
novel
cluster
denoted
as
CuMo
16
.
This
unique
structure
displayed
characteristic
“molybdenum
red”
coloration,
with
high
degree
reduction
(76.47%),
which
played
pivotal
role
in
enhancing
its
electrochemical
properties.
specialized
configuration
significantly
enhanced
multi‐proton‐coupled
electron
transfer
kinetics,
enabling
efficient
and
rapid
release,
up
thirteen
electrons
per
molecule.
To
construct
an
device,
is
employed
proton‐coupled
electron‐active
material
embedded
polyvinyl
alcohol
(PVA)
matrix,
resulting
flexible,
wearable,
rechargeable
devices.
flexible
electronics
not
only
demonstrate
real‐time
human
motion
detection
but
also
exhibit
remarkable
performance,
reaching
peak
capacity
194.19
mAh
g
−1
maintaining
68.2%
retention
after
2500
cycles.
Molecular
dynamics
simulations
reveal
that
integrating
enhances
performance
electronics,
regulation
content
provides
effective
strategy
for
optimizing
electronic
study
lays
foundation
development
systems.
Language: Английский
Quasi-Solid-State Electrolytes: Bridging the gap between solid and liquid electrolytes for Zinc-Ion batteries
Tao Xue,
No information about this author
Jinpeng Guan,
No information about this author
Yongbiao Mu
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 162994 - 162994
Published: April 1, 2025
Language: Английский
Progress in Developing Polymer Electrolytes for Advanced Zn Batteries
Yanbo Wang,
No information about this author
Yeyang Jia,
No information about this author
Chuan Li
No information about this author
et al.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Aqueous
Zn
batteries
(ZBs)
are
promising
candidates
for
large‐scale
energy
storage,
considering
their
intrinsically
safe
features,
competitive
cost,
and
environmental
friendliness.
However,
the
fascinating
metallic
anode
is
subjected
to
severe
issues,
such
as
dendrite
growth,
hydrogen
evolution,
corrosion.
Additionally,
traditional
aqueous
electrolytes'
narrow
electrochemical
windows
temperature
ranges
further
hinder
practical
application
of
ZBs.
Solid‐state
electrolytes,
including
solid
polymer
electrolytes
hydrogel
offer
distinct
paths
mitigate
these
issues
simultaneously
endow
ZBs
with
customizable
functions
flexibility,
self‐healing,
anti‐freezing,
regulated
deposition,
etc,
due
tuneable
structures.
This
review
summarizes
latest
progress
in
developing
ZBs,
focusing
on
modifying
ionic
conductivity,
interfacial
compatibility,
stability,
stability
windows,
improving
adaptability
under
harsh
conditions.
Although
some
achievements
obtained,
many
critical
challenges
still
exist,
it
hoped
guidance
future
research,
accelerating
development
electrolytes.
Language: Английский