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.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 5102 - 5114
Опубликована: Янв. 1, 2024
An
innovative
concept
of
constructing
a
built-in
interfacial
electric
field
for
Zn
stabilization
is
demonstrated
using
amphoteric
polyelectrolyte
complexes
(CPs).
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
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(17), С. 6648 - 6658
Опубликована: Апрель 13, 2024
By
virtue
of
their
tunable
physicochemical
and
electrochemical
properties,
ionic
liquids
(ILs)
provide
a
promising
solution
for
enhancing
the
performance
safety
batteries.
Toward
efficient
design
IL-based
electrolytes,
reliable
electrical
conductivity
(κ)
prediction
model
is
highly
desirable.
In
this
work,
COSMO-RS
derived
QSPR
its
use
as
basis
developing
boosting
machine
learning
(ML)
methods
κ
ILs
are
systematically
examined.
Based
on
large
experimental
database,
overall
description
temperature
IL
structure
dependencies
by
evaluated
thoroughly.
Following
that,
ML
based
two
powerful
ensemble
algorithms,
namely
random
forest
(RF)
extreme
gradient
(XGB),
employed
to
bridge
residual
between
predicted
κ.
The
value
proposed
strategy
evidenced
comparing
with
without
direct
predictions.
results
demonstrate
notably
enhanced
identify
XGB
best
option
prediction.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(44)
Опубликована: Авг. 6, 2024
Abstract
Aqueous
Zn–I
2
batteries
have
considerable
potential
owing
to
their
environmental
friendliness
and
high
safety.
However,
the
slow
iodine
conversion
kinetics
shuttle
effect
prevent
practical
applicability.
In
this
study,
a
series
of
Zn‐MOF‐74
rods
with
controllable
diameters
40–500
nm
are
facilely
prepared,
denoted
as
P1–P5.
A
size
confinement
strategy
derived
porous
carbon
hosts
is
proposed
suppress
formation
undesirable
species,
such
I
3
−
5
.
Moreover,
graphitization
degree
samples,
including
P2‐900,
P2‐1000,
P2‐1100,
play
critical
on
kinetics.
The
P2‐1000
sample
possesses
conductive
skeleton
abundant
mesopores,
which
improve
adsorption
ability
toward
species.
electrochemical
tests
in
situ
technology
reveal
mechanism
iodine.
As
result,
@P2‐1000
cathode
exhibits
superior
discharge
capacity
179.9
mA
h
g
−1
at
100
exceptional
long‐term
cycle
after
5000
cycles.
Furthermore,
soft
flexible
quasi‐solid‐state
capable
powering
devices,
promising
exhibit
tremendous
adaptability
realize
electronic
devices
various
scenarios.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
In
recent
years,
aqueous
zinc
ion
batteries
(ZIBs)
with
ultra‐high
safety
and
environmental
friendliness
have
emerged
as
a
promising
candidates
for
energy
storage
conversion
devices.
However,
the
severe
side
reactions
dendrites
issues
discourage
practical
application
of
ZIBs.
Recently,
biopolymer‐based
gel
electrolytes
disclosed
large
potential
in
tackling
these
challenges
ZIBs,
numerous
advancements
reported.
Their
advantages
lie
suppressing
including
hydrogen
evolution
Zn
metal
anode
corrosion,
well
inhibiting
growth
dendrites.
This
review
comprehensively
examines
classification,
structures
properties
electrolytes,
focus
on
hydrogel
derived
from
various
natural
macromolecular
biopolymers,
along
brief
discussion
non‐hydrogel
using
ionic
liquids
or
organic
solutions
solvents.
Subsequently,
preparation
physical
chemical
methods
are
summarized.
Furthermore,
applications
ZIBs
diverse
cathodes
materials
introduced.
Finally,
it
highlights
benefits
excellent
electrochemical
performance
outlining
their
prospects
next
generation
proposing
future
perspectives.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 4, 2025
Abstract
Zinc–iodine
batteries
(ZIBs)
are
promising
energy
storage
devices
due
to
their
nonflammable
aqueous
electrolyte
and
intrinsically
safe
zinc
(Zn)
anode
but
encounters
thorny
challenges,
including
soluble
polyiodides
shuttling
sluggish
iodine
redox
kinetics.
Here,
an
ionic
porous
organic
polymers
(iPOPs)
with
Lewis
acid–base
pairs
(e.g.,
pyridine
cation
free
Br
−
)
Zn
single‐atom
sites
(iPOP‐TPyPZn)
is
developed
as
advanced
I
2
host
notably
enhance
the
performance
of
ZIBs.
The
iPOP‐TPyPZn
can
not
only
significantly
prevent
via
synergy
also
expedite
kinetics
species
through
combined
action
acid
catalytic
sites.
Benefiting
from
double
synergistic
mechanism,
assembled
ZIBs
loaded
cathode
exhibit
outstanding
electrochemical
ultra‐high
cycling
stability
over
40
000
cycles
at
8
A
g
−1
.
Combined
in/ex
situ
spectral
characterizations
theoretical
calculations
clearly
reveal
reversible
reaction
mechanism
vital
role
in
enhancing
performance.
This
work
provides
a
path
for
precise
preparation
hosts
offers
new
insights
into
toward
metal–I
batteries.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 16, 2025
Abstract
The
practical
development
of
aqueous
zinc‐iodine
(Zn‐I
2
)
batteries
is
greatly
hindered
by
the
low
energy
density
resulting
from
conventional
I
0
/I
−
conversion
and
limited
temperature
tolerance.
Here,
a
temperature‐insensitive
polycationic
hydrogel
electrolyte
borax‐bacterial
cellulose
/
p
(AM‐
co
‐VBIMBr)
(denoted
as
BAVBr)
for
achieving
an
energy‐dense
cascade
Zn‐I
battery
over
wide
range
−50
to
50
°C
designed.
A
comprehensive
investigation,
combining
advanced
spectroscopic
investigation
DFT
calculations,
has
revealed
that
presence
Br
species
in
gel
facilitates
reaction
/Br
.
Simultaneously,
it
activates
high
voltage
+
redox
through
interhalogen
formation.
Consequently,
sequential
highly
reversible
reactions
involving
,
are
achieved
with
assistance
−NR
3
units
BAVBr,
effectively
suppressing
hydrolysis
electrolyte.
lead
area
capacity
0.76
mAh
cm
−2
at
loading
1
mg
or
760
g
−1
based
on
mass
iodine,
demonstrating
exceptional
long‐term
cycling
stability
°C.
This
study
offers
valuable
insights
into
rational
design
electrolytes
high‐energy
batteries,
specifically
tailored
wide‐temperature
operation.
