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.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(41)
Опубликована: Май 31, 2024
Parasitic
side
reactions
and
dendrite
growth
on
zinc
anodes
are
formidable
issues
causing
limited
lifetime
of
aqueous
ion
batteries
(ZIBs).
Herein,
a
spontaneous
cascade
optimization
strategy
is
first
proposed
to
regulate
Zn
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 1, 2024
Abstract
The
issues
of
active
iodine
dissolution
and
polyiodide
shuttle
severely
hinder
the
development
zinc‐iodine
batteries
(ZIBs).
Binder
engineering
is
considered
a
valid
strategy
to
kill
two
birds
with
one
stone.
Herein,
sodium
lignosulfonate
(LS),
an
important
derivative
lignin,
optimized
as
neotype
binder
for
fabrication
iodine‐loading
cathode.
Owing
existence
‐SO
3
Na
group,
electrostatic
potential
LS
molecule
contains
both
negative
positive
regions,
which
prefer
block
behavior
through
repulsion
effect,
adsorb
polyiodides
attraction
respectively.
Meanwhile,
holds
more
Gibbs
free
energies
consecutive
radical
reaction,
much
stronger
adsorption
species,
manifesting
fast
conversion
reaction
kinetics,
effective
inhibition
behavior.
As
expected,
ZIBs
based
on
delivers
high
capacity
153.6
mAh
g
−1
after
400
cycles
at
0.1
A
,
reversible
152.8
500
0.5
(50
°C),
durable
cycling
stability
12000
5
implying
excellent
fixation
ability
binder.
This
work
guides
design
special
iodine‐based
electrodes
facilitates
practical
application
ZIBs.
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.
