Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 7, 2024
Abstract
The
aqueous
photo‐assisted
battery
is
considered
an
efficient
means
of
converting
and
storing
solar
energy
in
one
device.
However,
identifying
a
suitable
photocathode
with
excellent
iodine
capture
capabilities
for
Zn‐iodine
batteries
still
remains
challenging.
In
this
work,
bifunctional
BiOI
prepared
as
sole
cathode
material
while
simultaneously
realizing
host
responsiveness.
as‐presented
abundant
vacancies
offers
highly
reversible
redox
reactions.
Meanwhile,
the
dual
reaction
routes
involving
vacancy
storage
two‐steps
are
confirmed
by
/
ex
situ
characterization
techniques
during
process.
Consequently,
assembled
exhibits
areal
capacity
0.24
mAh
cm
−2
at
1
mA
coulombic
efficiency
exceeding
96.5%.
More
impressively,
benefiting
from
wide
visible
light
absorption
cathode,
demonstrates
much
enhanced
specific
0.4
under
sun
illumination,
representing
remarkable
increment
60%
compared
to
that
dark
environment.
This
work
expands
utility
materials
battery.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(29)
Опубликована: Март 10, 2024
Abstract
The
practical
applications
of
aqueous
Zn/I
2
batteries
(AZIBs)
operating
within
a
wide
temperature
range
are
severely
hindered
by
the
uncontrolled
shutting
polyiodide
ions
(I
3
−
/
I
5
)
and
rampant
side
reactions.
In
this
study,
tolerant
polyanionic
hydrogel
(borax‐bacteria
cellulose
p
(AMPS‐AM))
with
ion
selective
permeability
is
designed
for
inhibiting
effect
reactions
under
extreme
temperatures
from
−50
to
50
°C.
zincophilic
R−SO
significantly
enhances
transport
Zn
2+
cations
promotes
uniform
growth
metal
along
(002)
plane.
Moreover,
abundant
hydrophilic
groups
in
hydrogels
effectively
suppress
both
hydrogen
evolution
reaction
formation
by‐products
reducing
water
reactivity.
Furthermore,
theoretical
calculations,
visualization
experiment
situ
Raman
spectroscopy
confirm
that
group
hinders
shuttle
process
/I
anions
through
electrostatic
repulsion.
Consequently,
gel
electrolyte
facilitates
ultra‐stable
full
cell
at
low
current
density
C
over
100
A
pouch
negative/positive
capacity
ratio
3.3
exhibits
stable
performance
350
cycles
an
impressive
high‐areal
2.03
mA
h
cm
−2
,
thereby
establishing
solid
foundation
its
applications.
Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Июнь 4, 2024
Abstract
In
the
pursuit
of
high‐performance
energy
storage
systems,
four‐electron
zinc–iodine
aqueous
batteries
(4eZIBs)
with
successive
I
−
/I
2
+
redox
couples
are
appealing
for
their
potential
to
deliver
high
density
and
resource
abundance.
However,
susceptibility
positive
valence
hydrolysis
instability
Zn
plating/stripping
in
conventional
electrolyte
pose
significant
challenges.
response,
polyethylene
glycol
(PEG
200)
is
introduced
as
co‐solvent
m
ZnCl
solution
design
a
wide
temperature
electrolyte.
Through
comprehensive
investigation
combining
spectroscopic
characterizations
theoretical
simulations,
it
elucidated
that
PEG
disrupts
intrinsic
strong
H‐bonds
water
by
global
weak
PEG–H
O
interaction,
which
strengthens
O─H
covalent
bond
intensifies
coordination
2+
.
This
synergistic
effect
substantially
reduces
activity
restrain
hydrolysis,
facilitating
kinetics,
mitigating
3
formation
smoothening
deposition.
The
4eZIBs
optimized
hybrid
not
only
superior
cyclability
low
fading
rate
0.0009%
per
cycle
over
20
000
cycles
close‐to‐unit
coulombic
efficiency
but
also
exhibit
stable
performance
range
from
40
°C
−40
°C.
study
offers
valuable
insights
into
rational
electrolytes
4eZIBs.
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
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
Zinc‐iodine
(Zn‐I
2
)
batteries
are
of
great
interest
thanks
to
their
high
energy
density,
low
cost,
and
inherent
safety.
However,
the
dissolution
I
−
generated
polyiodides
exacerbated
by
dissolved
severely
reduces
utilization
active
substance,
resulting
in
poor
coulombic
efficiency
a
drastic
decrease
performance.
In
this
regard,
chemical
immobilization
iodine
species
with
high‐entropy
material
is
developed.
Benefiting
from
remarkable
catalytic
anchoring
activity
material,
accelerated
conversion
chemisorption
realized.
Meanwhile,
distribution
characteristics
multi‐active
adsorption
centers
on
enable
abundant
sites
anchor
highly
soluble
hard‐to‐mobilize
bonding
manner.
Such
unique
mode
allows
all
(I
/I
3
be
firmly
immobilized
electrode,
which
enhances
effectiveness
rechargeable
Zn‐I
batteries.
High‐entropy
ability
immobilize
provides
novel/effective
strategy
for
realizing
high‐performance
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 12, 2024
Abstract
Zinc–iodine
(Zn–I
2
)
batteries
are
promising,
low‐cost
and
safe
aqueous
rechargeable
energy
storage
devices.
An
iodide
shuttle‐induced
corrosion
poor
zinc
(Zn)
stripping/plating
often
result
in
a
limited
battery
lifetime,
urges
the
development
of
multifunctional
Zn
anodes.
To
overcome
these
problems,
here
Zn‐anode
is
demonstrated
with
shape‐programmability
uniform
morphology
along
low‐indexed
(002)
crystal
plane,
achieved
by
electrodepositing
on
nitinol
alloy
(nickel–titanium,
NiTi).
It
found
that
surface
oxide
layer
NiTi
supports
deposition
densely
packed
planar
film
formation
leads
high
resistance,
while
adopts
shape‐memory
function.
NiTi‐based
device
achieves
extremely
steady
performance,
benefiting
from
during
cycling,
whereas
Zn‐based
short‐circuits
due
to
dendritic
under
severe
corrosion.
also
flat‐shape‐programmed
flexible
pouch
cell
Zn–I
(SP‐ZIB),
which
performs
well
bent
mode,
recovers
its
original
flat
shape
at
elevated
temperature,
shows
consistent
performance
for
validated
cycles.
The
function
makes
this
advanced
flexibility
shape‐programmable
features.
This
study
represents
fresh
insight
using
smart
materials
as
features
next‐generation
Zn‐I
batteries.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
Rechargeable
aqueous
zinc
batteries
(AZBs)
utilizing
water‐borne
electrolytes
are
intrinsically
safe
electrochemical
devices
that
promising
in
next‐generation
energy
storage.
Such
application
requires
adaptivity
to
global
climate,
especially
at
grid‐scale,
thus
their
stability
of
performance
varying
temperatures
is
critical.
Many
essential
properties
AZBs,
i.e.,
ion
transfer,
redox
kinetics,
etc.,
largely
governed
by
the
because
relatively
limited
stable
phase
temperature
water.
This
limitation
extremely
vital
cold
regions
since
charging
and
discharging
become
more
difficult
sub‐zero
range
due
water
freezing.
Despite
development
various
electrolyte
strategies
recent
years,
comprehensive
reviews
focusing
on
this
topic
remain
limited.
research
diverse
reasons
underneath
failure
AZBs
extreme
provides
a
thorough
analysis
possible
resolutions
from
an
perspective.
It
starts
with
challenges
faced
both
high
low
concerning
electrolytes.
Different
addressing
these
discussed,
providing
insights
into
under
conditions.
Finally,
review
concludes
summary
outlook
design
structure
for
all‐weather
integrating
innovative
non‐aqueous
battery
systems.
