Aqueous
zinc-iodide
batteries
(AZIBs)
are
considered
to
be
the
promising
candidate
after
lithium-ion
due
their
low
cost
and
high
safety.
However,
poor
electrical
conductivity
of
iodine
notorious
shuttle
effect
brought
about
by
resolvable
polyiodides
have
seriously
hindered
widespread
application
prospects
AZIBs.
In
this
work,
we
develop
a
sample
effective
strategy
for
synthesizing
N-doped
hierarchical
porous
graphitized
carbon
(CN-Mg-CaCO3)
that
shows
great
potential
as
host
material
confinement.
The
unique
structure
with
graphitic
domains
synergistic
effects
surface
adsorption
efficient
conversion
contribute
performance
AZIBs,
notable
specific
capacity
(185
mA
h
g-1
at
0.1
g-1),
impressive
rate
capability
(114
10
A
excellent
long-term
cycling
stability
(85%
retention
104
cycles
5
g-1).
elaborately
constructed
conductive
skeleton
enhances
utilization,
while
redox
reaction
I2/I-
occurs
without
formation
intermediates
I3-.
Additionally,
presence
adsorbed
Zn2+
leads
enhanced
pseudo-capacitance.
This
research
introduces
innovative
approaches
broadens
new
ideas
developing
cathode
materials
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 31, 2024
Abstract
Aqueous
zinc–iodine
batteries
(AZIBs)
are
highly
appealing
for
energy
requirements
owing
to
their
safety,
cost‐effectiveness,
and
scalability.
However,
the
inadequate
redox
kinetics
severe
shuttling
effect
of
polyiodide
ions
impede
commercial
viability.
Herein,
several
Zn‐MOF‐derived
porous
carbon
materials
designed,
further
preparation
iron–doped
(Fe–N–C,
M9)
with
varied
Fe
doping
contents
is
optimized
based
on
a
facile
self‐assembly/carbonization
approach.
M9,
atomic
coordinated
nitrogen
atoms,
employed
as
an
efficient
cathode
host
AZIBs.
Functional
modifications
hosts
involving
species
levels
investigated.
The
adsorption
tests,
in
situ
Raman
spectroscopy,
UV–vis
results
demonstrate
capability
charge‐discharge
mechanism
iodine
species.
Furthermore,
experimental
findings
theoretical
analyses
have
proven
that
conversion
enhanced
through
physicochemical
confinement
effect.
This
study
offers
basic
principles
strategic
design
single‐atom
dispersed
high‐performance
Flexible
soft–pack
battery
wearable
microbattery
applications
also
implications
future
long‐life
aqueous
designs.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(44)
Опубликована: Авг. 13, 2024
Abstract
Zn‐I
2
batteries
suffer
from
uncontrollable
shuttle
effects
of
polyiodine
ions
(I
3
−
and
I
5
)
at
the
cathode/electrolyte
interface
side
reactions
induced
by
reactive
H
O
anode/electrolyte
interface.
In
this
study,
a
hydrated
eutectic
electrolyte
is
designed
that
synergizes
network
functional
interfacial
adsorbed
layer
to
develop
high‐performance
batteries.
The
can
restrain
active
molecules
in
inhibit
reaction
effect
Additionally,
guides
nucleation
behavior
Zn
2+
growth
dendrites
also
separates
zinc
anode
direct
contact
with
corrosion.
Theoretical
calculation,
situ
Ultraviolet–visible
spectroscopy
(UV‐vis)
Raman
characterizations,
visualization
experiments
demonstrate
effectively
inhibits
shuttling
improves
reversibility
deposition/stripping
behavior.
Consequently,
battery
maintain
capacity
133
mAh
g
−1
after
5000
cycles
C.
This
highly
efficient
synergistic
strategy
offers
practical
approach
development
advanced
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(18), С. 6656 - 6665
Опубликована: Янв. 1, 2024
A
plant
root
cell-inspired
interphase
layer
is
designed
to
stabilize
Zn
anode
interphasial
chemistry,
enabling
synergistic
regulation
of
all
interface
species.
Due
to
the
inherent
redox
potential
of
zinc
metal
anode
(ZMA),
it
is
susceptible
corrosion
and
dendrite
formation
in
aqueous
electrolytes.
These
issues
compromise
electroplating-stripping
process
at
electrolyte–electrode
interface,
adversely
affecting
reversibility
zinc-ion
batteries
(AZIBs).
Here,
we
propose
a
chelating-ligand
additive
(i.e.,
DS)
strategy
construct
situ
an
inorganic/organic
hybrid
bilayer
interface.
The
organic
molecule
enriched
-PO3
groups
calculated
preferentially
adsorb
onto
surface
ZMA.
During
subsequent
reactions,
these
adsorbed
molecules
decompose
due
their
low
lowest
unoccupied
molecular
orbital
energy
level
(0.34
eV),
forming
Zn(PO3)2-enriched
inorganic
solid
electrolyte
interphase
(SEI)
layer.
Simultaneously,
intermediate
carbon
skeleton
cross-links,
creating
layer
atop
SEI,
thereby
SEI
This
interface
effectively
inhibits
hydrogen
evolution
reactions
(HERs)
while
regulating
Zn2+
ion
flux
inducing
uniform
Zn
depositions.
Consequently,
Zn||Zn
symmetric
battery
demonstrates
long-term
cycling
lifespan
exceeding
1700
h
5
mA
cm–2.
Zn||I2
pouch
yielded
capacity
retention
71.3%
after
1100
cycles.
synergistic
modulation
offers
insights
into
development
ZMA
stabilizer
additives,
potentially
advancing
performance
durability
AZIBs.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 18, 2025
Abstract
Zinc–iodine
batteries,
grounded
in
halogen‐powered
static
conversion
mechanisms,
are
experiencing
significant
development.
However,
clarity
regarding
their
industrialization
pathway
remains
elusive.
This
review
delves
into
the
energy
storage
mechanism
of
zinc–iodine
encompassing
not
only
conventional
low‐valence
transformation
but
also
spotlighting
emerging
high‐valence
mechanisms.
Simultaneously,
several
optimization
routes
proposed
from
perspective
battery
industrialization,
mainly
covering
direction
cathode
and
anode
materials,
including
efficient
restraints
iodine
effect
behavior,
promotion
reaction,
effective
design
zinc
anode.
Furthermore,
starting
promoting
practical
application,
path
designing
prototypes
functionalized
devices,
focusing
on
device
development,
while
improving
relevant
strategies
for
cost‐effective
use
explored.
Additionally,
considering
future
demand
industry,
discussion
extends
batteries
to
encompass
extreme
temperature
conditions,
derivative
product
designs,
interdisciplinary
integration.
With
a
focus
this
work
identifies
key
challenges
field
proposes
comprehensive
strategies,
aiming
provide
guidance
high‐performance,
applications.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 2, 2025
Abstract
Aqueous
zinc‐iodine
batteries
have
garnered
significant
attention
in
substitution
energy
storage
devices
owing
to
their
inherent
environmental
sustainability
and
exceptional
theoretical
capacity.
Nevertheless,
critical
challenges
such
as
the
dissolution
shuttle
effect
of
soluble
polyiodides,
coupled
with
inefficient
reversible
redox
conversion,
severely
compromise
long‐term
cyclability
commercial
viability.
Herein,
this
work
innovatively
modified
conventional
zeolitic–imidazolate
framework
(ZIF)‐derived
carbons
through
precursor
pre‐activation,
integrating
Ni/Zn
bimetallic
anchoring
nitrogen
self‐doping
construct
a
concave
polyhedron‐structure
defect‐rich
NZ‐aNC
carbon
host.
The
abundant
heteroatoms
doping
tailored
unsaturated
coordination
environment
establish
multiple
strong
chemisorption
sites
that
synergistically
suppress
polyiodide
migration
while
accelerating
reaction
kinetics.
Moreover,
increased
graphitic
degree
enlarged
micro‐/meso‐pore
size
can
facilitate
electron
transfer
iodine
species
immobilization
efficiency.
Therefore,
Zn//I
2
battery
demonstrates
high
specific
capacity
219
mAh
g
−1
at
5
A
,
ultralong
cycling
stability
95%
retention
over
20
000
cycles,
superior
This
not
only
establishes
simple
easy‐scalable
precursor‐guided
protocol
for
advanced
host
fabrication
but
also
elucidates
mechanistic
correlations
between
defects
electrochemical
dynamics
ZIF‐derived
systems.