Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Jan. 12, 2024
Aqueous
zinc-ion
batteries
are
promising
due
to
inherent
safety,
low
cost,
toxicity,
and
high
volumetric
capacity.
However,
issues
of
dendrites
side
reactions
between
zinc
metal
anode
the
electrolyte
need
be
solved
for
extended
storage
cycle
life.
Here,
we
proposed
that
an
additive
with
intermediate
chelation
strength
ion-strong
enough
exclude
water
molecules
from
metal-electrolyte
interface
not
too
strong
cause
a
significant
energy
barrier
ion
dissociation-can
benefit
electrochemical
stability
by
suppressing
hydrogen
evolution
reaction,
overpotential
growth,
dendrite
formation.
Penta-sodium
diethylene-triaminepentaacetic
acid
salt
was
selected
such
purpose.
It
has
suitable
chelating
ability
in
aqueous
solutions
adjust
solvation
sheath
can
readily
polarized
under
electrical
loading
conditions
further
improve
passivation.
Zn||Zn
symmetric
cells
stably
operated
over
3500
h
at
1
mA
cm
Energy & Environmental Science,
Journal Year:
2022,
Volume and Issue:
15(12), P. 5017 - 5038
Published: Jan. 1, 2022
Obtaining
smooth
plating
layers
by
steering
Zn
orientational
deposition
is
the
key
to
achieving
longevous
anodes.
The
design
strategies
of
inducing
and
relating
mechanistic
insights
are
reviewed.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(27)
Published: May 8, 2023
Zn
metal
as
one
of
promising
anode
materials
for
aqueous
batteries
but
suffers
from
disreputable
dendrite
growth,
grievous
hydrogen
evolution
and
corrosion.
Here,
a
polycation
additive,
polydiallyl
dimethylammonium
chloride
(PDD),
is
introduced
to
achieve
long-term
highly
reversible
plating/stripping.
Specifically,
the
PDD
can
simultaneously
regulate
electric
fields
electrolyte
Zn/electrolyte
interface
improve
Zn2+
migration
behaviors
guide
dominant
(002)
deposition,
which
veritably
detected
by
Zeta
potential,
Kelvin
probe
force
microscopy
scanning
electrochemical
microscopy.
Moreover,
also
creates
positive
charge-rich
protective
outer
layer
N-rich
hybrid
inner
layer,
accelerates
desolvation
during
plating
process
blocks
direct
contact
between
water
molecules
anode.
Thereby,
reversibility
stability
anodes
are
substantially
improved,
certified
higher
average
coulombic
efficiency
99.7
%
Zn||Cu
cells
22
times
longer
life
Zn||Zn
compared
with
that
PDD-free
electrolyte.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(10)
Published: Jan. 10, 2023
Despite
conspicuous
merits
of
Zn
metal
anodes,
the
commercialization
is
still
handicapped
by
rampant
dendrite
formation
and
notorious
side
reaction.
Manipulating
nucleation
mode
deposition
orientation
a
key
to
rendering
stabilized
anodes.
Here,
dual
electrolyte
additive
strategy
put
forward
via
direct
cooperation
xylitol
(XY)
graphene
oxide
(GO)
species
into
typical
zinc
sulfate
electrolyte.
As
verified
molecular
dynamics
simulations,
incorporated
XY
molecules
could
regulate
solvation
structure
Zn2+
,
thus
inhibiting
hydrogen
evolution
reactions.
The
self-assembled
GO
layer
in
favor
facilitating
desolvation
process
accelerate
reaction
kinetics.
Progressive
orientational
can
be
realized
under
synergistic
modulation,
enabling
dense
uniform
deposition.
Consequently,
symmetric
cell
based
on
additives
harvests
highly
reversible
cycling
5600
h
at
1.0
mA
cm-2
/1.0
mAh
.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(14), P. 4819 - 4846
Published: Jan. 1, 2024
This
review
provides
a
comprehensive
overview
detailing
the
advancements
in
desolvation
strategies
pertaining
to
aqueous
zinc-ion
batteries
(AZIBs)
performances,
addressing
applications
and
working
mechanisms
of
AZIBs.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(45)
Published: Sept. 25, 2023
In
aqueous
electrolytes,
the
uncontrollable
interfacial
evolution
caused
by
a
series
of
factors
such
as
pH
variation
and
unregulated
Zn2+
diffusion
would
usually
result
in
rapid
failure
metallic
Zn
anode.
Considering
high
correlation
among
various
triggers
that
induce
anode
deterioration,
synergistic
modulation
strategy
based
on
electrolyte
modification
is
developed.
Benefitting
from
unique
buffer
mechanism
additive
its
capability
to
situ
construct
zincophilic
solid
interface,
this
effect
can
comprehensively
manage
thermodynamic
kinetic
properties
inhibiting
parasitic
side
reactions,
accelerating
de-solvation
hydrated
,
regulating
behavior
realize
uniform
deposition.
Thus,
modified
achieve
an
impressive
lifespan
at
ultra-high
current
density
areal
capacity,
operating
stably
for
609
209
hours
20
mA
cm-2
mAh
40
respectively.
Based
exceptional
performance,
loading
Zn||NH4
V4
O10
batteries
excellent
cycle
stability
rate
performance.
Compared
with
those
previously
reported
single
strategies,
concept
expected
provide
new
approach
highly
stable
zinc-ion
batteries.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(32)
Published: April 25, 2023
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
have
aroused
continuously
increasing
attention
for
grid‐scale
energy
storage
applications.
However,
the
progress
of
AZIBs
is
largely
plagued
by
their
sluggish
reaction
kinetics
and
poor
structural
reversibility,
which
are
closely
related
to
desolvation
process
hydrated
Zn
2+
.
Herein,
a
strategy
local
coordination
engineering
proposed
modulate
both
surface
bulk
structure
conventional
α‐MnO
2
cathode
overcome
these
issues.
Theoretical
simulations
experimental
characterizations
reveal
that
F
coordinations
effectively
adjust
absorption
strength
toward
H
O
Zn,
facilitates
thus
improves
interfacial
ion
diffusion
rate
kinetics.
Meanwhile,
integrity
enhanced
with
suppressed
irreversible
phase
evolution
over
cycling
benefiting
from
presence
robust
MnF
bonds
in
lattice.
As
consequence,
achieved
exhibits
almost
no
capacity
degradation
after
400
cycles
at
low
current
density
0.5
A
g
‐1
long‐term
durability
3500
high
5
The
modulation
provides
new
opportunities
designing
long‐cycling
high‐energy
cathodes
beyond.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(29)
Published: April 20, 2023
Aqueous
electrolytes
are
highly
important
for
batteries
due
to
their
sustainability,
greenness,
and
low
cost.
However,
the
free
water
molecules
react
violently
with
alkali
metals,
rendering
high-capacity
of
alkali-metal
anodes
unusable.
Here,
confined
in
a
carcerand-like
network
build
quasi-solid
aqueous
(QAEs)
reduced
molecules'
freedom
matched
low-cost
chloride
salts.
The
formed
QAEs
possess
substantially
different
properties
than
liquid
molecules,
including
stable
operation
without
gas
evolution.
Specifically,
can
directly
cycle
water-based
environment
suppressed
growth
dendrites,
electrode
dissolution,
polysulfide
shuttle.
Li-metal
symmetric
cells
achieved
long-term
cycling
over
7000
h
(and
5000/4000
Na/K
cells),
all
Cu-based
exhibited
Coulombic
efficiency
99%.
Full
metal
batteries,
such
as
Li||S
attained
high
efficiency,
long
life
(over
4000
cycles),
unprecedented
energy
density
among
rechargeable
batteries.