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(20), С. 7850 - 7859
Опубликована: Янв. 1, 2024
By
constructing
a
hydrogel
film
doped
with
an
ionic
liquid
on
Zn
anode,
water-scarce
inner
Helmholtz
plane
and
ion-enriched
outer
is
developed,
which
effectively
enables
stable
zinc
anode
for
Ah-scale
metal
batteries.
Abstract
Static
rechargeable
zinc‐iodine
(Zn‐I
2
)
batteries
are
superior
in
safety,
cost‐effectiveness,
and
sustainability,
giving
them
great
potential
for
large‐scale
energy
storage
applications.
However,
the
shuttle
effect
of
polyiodides
on
cathode
unstable
anode/electrolyte
interface
hinder
development
Zn‐I
batteries.
Herein,
a
self‐segregated
biphasic
electrolyte
(SSBE)
was
proposed
to
synergistically
address
those
issues.
The
strong
interaction
between
organic
phase
demonstrated
limit
polyiodides.
Meanwhile,
hybridization
polar
solvent
inorganic
modulated
bonding
structure,
as
well
effective
weakening
water
activity,
optimizing
during
zinc
electroplating.
As
result,
coin
cells
performed
capacity
retention
nearly
100%
after
4000
cycles
at
mA
cm
−2
.
And
discharge
0.6
Ah
with
no
degradation
180
achieved
pouch
cell.
A
photovoltaic
battery
further
displayed
cumulative
5.85
Ah.
successfully
designed
device
exhibits
application
stationary
storage.
image
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(20), С. 7870 - 7881
Опубликована: Янв. 1, 2024
The
molecularly
engineered
multifunctional
additive
of
H-SU,
which
effectively
modulates
both
solvated
and
interfacial
structures,
was
chosen
from
a
family
imide
derivatives
for
practical
aqueous
Zn
metal
full
cells.
ACS Nano,
Год журнала:
2024,
Номер
18(42), С. 28557 - 28574
Опубликована: Окт. 9, 2024
Aqueous
zinc–iodine
batteries
(ZIBs)
based
on
the
reversible
conversion
between
various
iodine
species
have
garnered
global
attention
due
to
their
advantages
of
fast
redox
kinetics,
good
reversibility,
and
multielectron
feasibility.
Although
significant
progress
has
been
achieved
in
ZIBs
with
two-electron
I–/I2
pathway
(2eZIBs),
relatively
low
energy
density
hindered
practical
application.
Recently,
four-electron
I–/I2/I+
electrochemistry
(4eZIBs)
shown
a
improvement
density.
Nonetheless,
use
4eZIBs
is
challenged
by
poor
reversibility
polyiodide
shuttling
during
I+
hydrolysis
I2/I+
conversion.
In
this
Review,
we
thoroughly
summarize
fundamental
understanding
two
ZIBs,
including
reaction
mechanisms,
limitations,
strategies.
Importantly,
provide
an
intuitive
evaluation
assess
potential
highlight
critical
impacts
Zn
utilization
rate.
Finally,
emphasize
cost
issues
associated
electrodes
propose
closed-loop
recycling
routes
for
sustainable
storage
ZIBs.
These
findings
aim
motivate
application
advanced
promote
storage.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Авг. 17, 2024
Abstract
The
reversibility
and
stability
of
zinc
(Zn)
metal
anode
are
closely
related
to
inner
Helmholtz
plane
(IHP)
chemistry.
H
2
O‐rich
IHP
raises
severe
parasitic
reactions
irregular
Zn
deposition,
impeding
the
practical
utility
in
aqueous
Zn‐ion
batteries
(AZIBs).
In
this
study,
tetrahydropyran
(THP),
a
five‐carbon
heterocyclic
ether
with
permanent
dipole
moment
hydrophobic
characteristic,
is
introduced
as
self‐adsorptive
additive
reshape
IHP.
It
squeezes
out
partial
O
molecules
forms
O‐lean
IHP,
benefitting
for
alleviating
active
decomposition
improving
anode.
Moreover,
adsorbed
THP
induces
preferential
nucleation
(002)
plane,
facilitating
dendrite‐free
growth
Consequently,
Zn||Zn
symmetric
cell
enables
cycle
over
3600
h
at
5
mA
cm
−2
@
1
mAh
.
Zn||Cu
half‐cell
can
stably
400
cycles
99.9%
coulombic
efficiency
even
under
harsh
test
conditions
(10
@5
)
30
µm
foil.
Zn||NH
4
V
10
full
maintains
92.6%
capacity
retention
after
800
A
g
−1
Zn||I
perform
steadily
10000
decay
rate
merely
0.003%
per
C.
