Aqueous
zinc-ion
batteries
(AZIBs)
represent
promising
candidates
for
energy
storage
devices,
because
of
their
inherent
high
safety
and
cost
efficiency.
However,
challenges
such
as
uneven
zinc
ion
deposition
during
electrochemical
reduction
anode
interface
side
reactions
pose
significant
obstacles
to
advancement
practical
deployment.
Herein,
a
medium-concentration
aqueous
electrolyte
combined
with
bifunctional
regulator
(aspartame)
is
developed
address
these
issues.
Practical
validation
experiments
theoretical
calculations
demonstrate
that
the
Zn(OTf)2
containing
Aspartame
can
form
robust
hybrid
solid
(SEI)
ZnF2
ZnS
by
simultaneously
modulating
Zn2+
solvation
structure
optimizing
metal-molecule
interface,
thereby
enabling
dense
Zn
deposition.
It
achieves
dendrite-free
plating
stripping
excellent
reversibility.
Significantly,
Zn||V2O5
full
cell
exhibits
an
average
capacity
240
mAh
g-1
over
8000
cycles
at
5
A
g-1.
This
work
provides
new
insight
into
design
high-performance
AZIBs.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(10), С. 3443 - 3453
Опубликована: Янв. 1, 2024
3-(Hydroxy(phenyl)phosphoryl)propanoic
acid
(HPA)
has
a
strong
coordination
ability
for
Zn
2+
/metal
anodes
which
not
only
form
sphere
micelles
that
promote
the
uniform
transmission
of
but
also
enhance
preferential
adsorption
on
anodes.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 5, 2024
Abstract
Aqueous
zinc‐ion
batteries
(ZIBs)
have
generated
extensive
research
attention
for
stationary
energy
storage,
due
to
their
advantaged
superiority
in
terms
of
inherent
safety,
low
cost,
and
eco‐friendliness.
However,
uncontrollable
dendrite
growth
side
reactions
the
Zn
anode
affect
cycle
life
ZIBs.
Conventional
separators
are
almost
ineffective
inhibiting
these
issues.
Herein,
a
chitin
nanofiber
membrane
separator
is
developed
tackle
issues
via
simple,
low‐cost,
scalable
strategy.
The
obtained
exhibits
abundant
zincophilic
functional
groups,
homogeneous
nanopores,
excellent
mechanical
properties,
which
facilitate
desolvation
hydrated
2+
ions,
improve
transference
number,
homogenize
ion
flux,
simultaneously.
Moreover,
can
also
reduce
deposition
barrier,
accelerate
kinetics.
Therefore,
dendrites
harmful
effectively
synchronously
suppressed,
enabling
assembled
ZIBs
with
an
ultralong
good
rate
capability.
Impressively,
Zn‐MnO
2
pouch
cell
stability
safety
under
various
external
damages.
above
highlights
mark
significant
step
toward
practical
application
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(18)
Опубликована: Март 12, 2024
Abstract
Metallic
zinc
is
a
promising
anode
material
for
rechargeable
aqueous
multivalent
metal‐ion
batteries
due
to
its
high
capacity
and
low
cost.
However,
the
practical
use
always
beset
by
severe
dendrite
growth
parasitic
side
reactions
occurring
at
anode/electrolyte
interface.
Here
we
demonstrate
dynamic
molecular
interphases
caused
trace
dual
electrolyte
additives
of
D‐mannose
sodium
lignosulfonate
ultralong‐lifespan
dendrite‐free
anode.
Triggered
plating
stripping
electric
fields,
species
are
alternately
reversibly
(de‐)adsorbed
on
Zn
metal,
respectively,
accelerate
2+
transportation
uniform
nucleation
deposition
inhibit
Coulombic
efficiency.
As
result,
in
such
dual‐additive
exhibits
highly
reversible
stripping/plating
behaviors
>6400
hours
1
mA
cm
−2
,
which
enables
long‐term
cycling
stability
Zn||Zn
x
MnO
2
full
cell
more
than
2000
cycles.
Advanced Materials,
Год журнала:
2024,
Номер
36(33)
Опубликована: Июнь 20, 2024
Developing
hydrophobic
interface
has
proven
effective
in
addressing
dendrite
growth
and
side
reactions
during
zinc
(Zn)
plating
aqueous
Zn
batteries.
However,
this
solution
inadvertently
impedes
the
solvation
of
Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Июнь 12, 2024
Abstract
Aqueous
Zn‐ion
batteries
featuring
with
intrinsic
safety
and
low
cost
are
highly
desirable
for
large‐scale
energy
storage,
but
the
unstable
Zn‐metal
anode
resulting
from
uncontrollable
dendrite
growth
grievous
hydrogen
evolution
reaction
(HER)
shortens
their
cycle
life.
Herein,
a
feasible
in
situ
self‐reconfiguration
strategy
is
developed
to
generate
triple‐gradient
poly(diallyldimethylammonium)
bis(trifluoromethanesulfonyl)imide
(PDDA‐TFSI)‐Zn
5
(OH)
8
Cl
2
·H
O‐Sn
(PT‐ZHC‐Sn)
artificial
layer.
The
interface
consists
of
spherical
top
layer
PT
cation
confinement
H
O
inhibition,
dense
intermediate
ZHC
nanosheet
Zn
2+
conduction
electron
shielding,
bottom
Znophilic
Sn
metal.
well‐designed
interfacial
synergistically
facilitates
rapid
diffusion
regulate
uniform
deposition
accelerates
desolvation
process
while
suppressing
HER.
Consequently,
PT‐ZHC‐Sn@Zn
symmetric
cell
achieves
an
ultralong
lifespan
over
6500
h
at
0.5
mA
cm
−2
mAh
.
Furthermore,
full
battery
coupling
MnO
cathode
exhibits
17.2%
increase
capacity
retention
compared
bare
after
1000
cycles.
also
applied
prepare
PT‐ZHC‐In,
assembled
Zn//Cu
operates
steadily
8400
maintaining
Coulombic
efficiency
99.6%.
This
work
paves
way
designing
multicomponent
gradient
stable
anodes.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(41)
Опубликована: Июль 22, 2024
Abstract
The
practical
application
of
aqueous
zinc‐ion
batteries
(ZIBs)
indeed
faces
challenges
primarily
attributed
to
the
inherent
side
reactions
and
dendrite
growth
associated
with
Zn
anode.
In
present
work,
N‐Methylmethanesulfonamide
(NMS)
is
introduced
optimize
transfer,
desolvation,
reduction
2+
,
achieving
highly
stable
reversible
plating/stripping.
NMS
molecule
can
substitute
one
H
2
O
in
solvation
structure
hydrated
be
preferentially
chemisorbed
on
surface
protect
anode
against
corrosion
hydrogen
evolution
reaction
(HER),
thereby
suppressing
byproducts
formation.
Additionally,
a
robust
N‐rich
organic
inorganic
(ZnS
ZnCO
3
)
hybrid
solid
electrolyte
interphase
situ
generated
due
decomposition
NMS,
resulting
enhanced
transport
kinetics
uniform
deposition.
Consequently,
cells
achieve
long
lifespan
2300
h
at
1
mA
cm
−2
mAh
high
cumulative
plated
capacity
3.25
Ah
excellent
reversibility
an
average
coulombic
efficiency
(CE)
99.7
%
over
800
cycles.
