Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 24, 2024
Abstract
Zinc‐ion
batteries
possess
operation
safety,
high
energy
density,
production
flexibility
and
affordability,
making
them
attractive
for
scalable
storage.
While
Zn
anodes
face
significant
challenges
from
rampant
dendrite
growth
electrolyte‐related
side‐reactions
in
a
complex
interfacial
microenvironment.
The
growing
resistance
further
degrades
the
battery
performance.
An
integrated
anode
design
is
reported
to
regulate
simultaneously
2+
flux
through
situ
confinement
of
sieve,
that
is,
2D
CuBDC
metal–organic
framework
mesoporous
carbonaceous
host.
with
sub‐nanometer
channels
selected
efficient
dehydration
directional
transport,
lowering
nucleation
barrier
by
zincophilic
Cu(II)
N
sites.
Conductive
meso‐carbon
reduces
blocks
side‐reactions.
Resultantly,
modified
demonstrate
improved
cycling
stability
lower
voltage
polarization,
supported
operando
optical
microscopy
ex
analysis.
This
work
provides
feasible
strategy
improving
aqueous
new
insights
on
designing
advancing
zinc
batteries.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 3, 2025
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
are
increasingly
recognized
as
a
sustainable
and
cost‐effective
energy
storage
option,
but
challenges
of
zinc
dendrite
formation,
parasitic
reactions,
corrosion
limit
their
practical
use.
In
this
work,
monofluorophosphate
(ZPOF)
is
first
introduced
to
modify
zinc‐based
batteries.
The
ZPOF
exhibits
large
ionic
conductivity
3.8
mS
cm
−1
,
facilitating
efficient
Zn
2+
‐ion
transport
reducing
buildup
at
the
zinc/electrolyte
interface.
Besides,
ZPOF's
exceptional
zincophilic
characteristic
promotes
uniform
deposition.
ZPOF‐based
solid
electrolyte
membrane
enables
AZIB
offer
capacity
322.2
mAh
g
0.2
A
operate
stably
for
over
500
h
1
.
can
also
be
in
situ
generated
on
surface
form
robust
conformal
coating
layer,
which
prominently
enhance
affinity,
resistance,
electrochemical
kinetics,
while
desolvation
process
restraining
ion
planar
diffusion.
As
result,
Zn//Zn
symmetric
cell
achieves
stable
cycling
550
under
substantial
25
−2
depth‐of‐discharge
85.4%.
Furthermore,
performance
various
full‐cell
configurations
dramatically
improved.
This
study
underscores
potential
novel
conductor
advancing
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 19, 2025
Abstract
Fe
2+
have
emerged
as
the
ideal
charge
carriers
to
construct
aqueous
batteries
one
of
most
competitive
candidates
for
next‐generation
low‐cost
and
safe
energy
storage.
Unfortunately,
fast
oxidation
into
3+
at
ambient
conditions
inevitably
requires
assembly
process
cells
in
an
oxygen‐free
glovebox.
Up
date,
direct
air
Fe‐ion
battery
remains
very
desirable
yet
highly
challenge.
Here
is
found
condition
completely
inhibited
acidic
electrolyte.
A
proton/O
2
mechanism
electrolyte
revealed
with
reduced
coordinated
O
solvated
shell
this
unexpected
finding.
Based
on
surprise,
first
time,
air‐operated
iron‐ion
realized.
Meanwhile,
it
that
environment
induces
situ
growth
active
α‐FeOOH
derivate
VOPO
4
·2H
surface.
Strikingly,
enables
a
high
specific
capacity
192
mAh
g
−1
ultrastable
cycling
stability
over
1300
cycles
0.1
.
This
work
makes
break
through
air‐assembly
without
It
also
reveals
previously
unknown
mechanisms
cathode
surface
chemistry
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 12, 2025
Oxygen
vacancy
engineering
plays
a
crucial
role
in
regulating
surface
chemistry
for
managing
redox
behaviors.
However,
controllable
implantation
of
oxygen
and
safe
cost-effective
production
remain
challenging.
Herein,
we
report
general
molten
zinc
reduction
technology
to
prepare
oxygen-deficient
oxides
with
tunable
content,
synthetic
universality,
industrial
compatibility
under
mildly
elevated
temperature.
Taking
TiO2
as
an
example,
theoretical
study
demonstrates
thermodynamically
favorable
affinity
on
increasing
coverage
supporting
Zn
supply.
Featuring
electronic
structures
inferior
hydrogen
evolution
activity,
TiO2-x
nanoparticles
were
used
decorate
aqueous
anodes,
which
demonstrate
much
improved
cycling
stability,
verified
by
situ
ex
investigations.
Eventually,
zinc-iodine
batteries
assembled
using
modified
achieved
performance
due
the
regulated
anode
alleviated
self-discharge
This
work
provides
in-depth
understanding
durable
related
systems.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
Abstract
The
main
challenges
in
aqueous
Zn
metal
batteries
(AZMBs)
are
enhancing
energy
density
and
cycling
life,
which
require
low
deposition/stripping
overpotential
a
stable
anode/electrolyte
interface.
Herein,
hollow
mesoporous
Na
3
V
2
(PO
4
)
coated
with
carbon
(HMNVP/C)
is
designed
as
the
anode
protective
layer
(HMNVP/C@Zn).
zincophilic
numerous
ion
channels
accelerates
2+
desolvation,
while
structure
promotes
rapid
migration
through
artificial
solid
electrolyte
interface
(ASEI).
Diffusion
rate
differences
between
external
wall
core
lead
to
enrichment
flux
homogenization
at
Consequently,
HMNVP/C@Zn
symmetric
cell
achieves
an
ultralow
of
13.0
mV
1
mA
cm
−2
,
for
over
1200
h
0.2
mAh
without
dendrite
growth.
Additionally,
first
time,
electrochemical
process
zinc
decomposed
into
seven
steps,
determine
relaxation
time
range
ASEI
by
situ
impedance
spectroscopy
(EIS)
distribution
times
(DRT)
analysis.
It
noted
that
within
HMNVP/C
significantly
reduces
subsequent
crystal
This
novel
design
characterization
technique
offer
valuable
insights
preparing
advanced
AZMBs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 10, 2024
Abstract
Rechargeable
aqueous
Zn
metal
batteries
(RAZMBs)
are
considered
as
a
competitive
alternative
to
the
next
generation
of
energy
storage
system.
However,
stripping/plating
reversibility
is
greatly
limited
by
dendrite
growth
and
side
reactions
on
anode.
In
virtue
excellent
protection
ion
migration
regulation
effects,
porous
organic
polymer
artificial
solid
electrolyte
interphases
(POPASEIs)
have
attracted
widespread
attention
in
stabilizing
This
article
summarizes
progress
anode
POPASEIs
recent
years,
divided
into
two
categories
according
matrix:
polymer‐based
nonporous
POPASEIs.
The
can
be
coordination
(PCOOP)‐based
covalent
polymers
(PCVOP)‐based
ASEIs
chemical
structure,
while
four
types
pore‐forming
strategies,
including
phase
separation‐induced
POPASEIs,
template‐assisted
fiber‐formed
filler‐modified
addition,
structural
advantages,
challenges,
perspectives
for
also
discussed
provide
guidance
further
research
development
ASEIs.
