Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs),
candidates
for
large‐scale
energy
storage,
face
limitations
due
to
the
poor
reversibility
of
zinc
anodes.
It
reports
on
pyridine
derivatives
with
high
donor
characteristics,
including
2‐chloro‐1‐methylpyridinium
iodide
(CMPI)
and
pyridine‐2‐acetaldoxime
methyl
(PAMI),
as
effective
additives.
At
lower
concentrations,
these
additives
markedly
curtail
dendrites
formation
evolution
hydrogen
anode,
thereby
prolonging
AZIBs
life.
Through
a
combination
theory
experiments,
impact
side‐chain
groups
kinetic
process
depositioni
is
elucidated.
In
contrast
PAM
+
,
CMPI
demonstrates
enhanced
adsorption
self‐assembles
at
anode‐electrolyte
interface,
forming
barrier
free
water
protective
ZnI
layer
via
I
−
ion
integration.
This
dual‐layer
strategy
boosts
plating/stripping
by
100‐fold
achieves
coulombic
efficiency
99.7%
in
zinc–copper
half‐
batteries.
The
findings
advance
understanding
electrolyte
additive
structures
deposition,
providing
molecular
framework
screening
aqueous
metal‐ion
Aqueous
zinc-ion
batteries
(AZIBs)
have
gained
increasing
attention
for
grid
energy
storage
systems.
However,
ensuring
the
long-term
reversible
operation
of
zinc
anode
remains
a
challenge
due
to
dendrite
growth
and
adverse
side
reactions
during
charge
discharge
cycles.
This
study
investigates
use
d-pantothenic
acid
(D-PA)
as
an
additive
in
2
M
ZnSO4
aqueous
electrolyte
enhance
cycling
stability
AZIBs.
Experimental
results
theoretical
calculations
demonstrate
that
D-PA
reshapes
solvation
structure
Zn2+
by
partially
replacing
coordinated
water
molecules,
transport.
Furthermore,
adsorbs
on
active
sites
anode,
surface
overpotential
(|ηs|),
reducing
nucleation
barrier,
decreasing
critical
nucleus
size
(rcrit),
thus
uniform
deposition.
dual
role
modifying
shell
regulating
effectively
mitigates
suppresses
reactions,
resulting
excellent
anode.
Consequently,
Zn||Zn
symmetrical
cells
with
maintain
stable
over
2000
h
at
1.0
mA
cm–2
cm–2,
nearly
4000
4.0
cm–2.
Additionally,
Zn||Cu
asymmetric
exhibit
300
cycles
0.5
average
Coulombic
efficiency
99.29%.
Moreover,
Zn||V2O5
full
containing
performance
1000
current
density
1
A
g–1,
maintaining
high
capacity
retention.
Specifically,
initial
cell
is
around
161.17
approximately
62.7%
retention
after
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Abstract
Aqueous
zinc‐ion
batteries
have
garnered
significant
attention
due
to
their
abundant
materials,
low
production
costs,
and
safety.
However,
these
suffer
from
severe
side
reactions,
which
are
closely
associated
with
the
presence
of
a
substantial
amount
solvent
at
electrode
surfaces.
Herein,
1,4,7,10,13,16‐hexaoxacyclooctadecane
(18‐crown‐6)
is
added
electrolyte
illustrate
both
theoretically
experimentally
its
contribution
rapid
desolvation
aspect.
It
shown
that
addition
18‐crown‐6
greatly
facilitates
solvated
structure
prevents
collection
molecules
on
surface
zinc
anode,
thus
inhibiting
hydrogen
precipitation
reaction.
also
enhances
transference
number
ions,
makes
interfacial
electric
field
anode
stable
promotes
orderly
diffusion
uniform
nucleation
Zn
2+
,
inhibits
growth
dendrites.
As
result,
containing
as
additives
shows
cycle
life,
Zn||Zn
symmetric
cell
cycled
for
nearly
1700
h
1
mA
cm
−2
showing
improvement
in
Coulombic
efficiency.
The
assembled
Zn||NH
4
V
O
10
exhibits
excellent
electrochemical
performance,
reaching
capacity
100.9
mAh
g
−1
even
after
4000
cycles
10.0
A
.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Abstract
The
zinc
(Zn)
anode
in
zinc‐ion
batteries
suffers
from
potential
defects
such
as
wild
dendrite
growth,
severe
Zn
corrosion,
and
violent
hydrogen
evolution
reaction,
inducing
erratic
interfacial
charge
transfer
kinetics,
which
eventually
leads
to
electrochemical
failure.
Here,
collagen,
a
biomacromolecule,
is
added
achieve
the
reconstruction
of
electrolyte
hydrogen‐bonding
network
modification
derived
interface.
Benefiting
electronegativity
advantage
amino
groups
(‐NH
2
)
(002)
crystal
plane
preferentially
exposed
solid
interface
(SEI)
rich
ZnF
3
N
promotes
rapid
anode.
Thence,
an
impressive
cumulative
capacity
7,500
mAh
cm
−2
at
30
mA
achieved
assembled
Zn|VO
cell
exhibited
robust
cycle
reversibility
even
when
subject
maximum
current
100
A
g
−1
ultra‐long
life
20,000
cycles
50
,
with
single‐cycle
loss
low
0.0021%.
Such
convenient
strategy
solvent
sheathing
regulation
manipulation
opening
up
promising
universal
approach
toward
long‐life
high‐rate
anodes.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(45), P. 30998 - 31011
Published: Nov. 4, 2024
The
primary
cause
of
the
accelerated
battery
failure
in
aqueous
zinc-ion
batteries
(AZIBs)
is
uncontrollable
evolution
zinc
metal-electrolyte
interface.
In
present
research
on
development
multiadditives
to
ameliorate
interfaces,
it
challenging
elucidate
mechanisms
various
components.
Additionally,
synergy
among
additive
molecules
frequently
disregarded,
resulting
combined
efficacy
that
unlikely
surpass
sum
each
component.
this
study,
"molecular
synergistic
effect"
employed,
which
generated
by
two
nonhomologous
acid
ester
(NAE)
additives
double
electrical
layer
microspace.
Specifically,
ethyl
methyl
carbonate
(EMC)
more
inclined
induce
oriented
deposition
metal
means
targeted
adsorption
with
(002)
crystal
plane.
Methyl
acetate
(MA)
likely
enter
solvated
shell
Zn
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Aqueous
zinc
(Zn)
batteries
hold
significant
promise
as
large‐scale
energy
storage
solutions
aimed
at
mitigating
the
intermittency
of
renewable
energy.
Nevertheless,
Zn
anode
is
plagued
by
a
series
adverse
reactions,
hindering
development
toward
practical
applications.
Herein,
concept
polyetheramine
nematic
spatial
effects
that
reshape
inner
and
outer
Helmholtz
planes
to
stabilize
introduced.
Theoretical
calculations
characterizations
confirm
reshaped
exhibit
water/suflate‐repulsive
homogeneous
2+
transport
interface,
enabling
highly
stable
for
energetic
batteries.
Consequently,
anode‐free
half‐cells
under
achieve
cycling
over
390
h
an
areal
capacity
50
mAh
cm
−2
1500
10
.
The
constructed
Zn‐V
2
O
5
Zn‐MnO
cycle
performance
1000
2000
cycles,
respectively.
Importantly,
enlarged
pouch
cell
with
300
demonstrates
specific
176
g
−1
after
cycles.
Moreover,
displays
successful
integration
photovoltaic
panels
along
notable
safety
features.
This
superior
electrical
double‐layer
regulation
strategy
offers
valuable
insights
into
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Abstract
Interface
issues
such
as
parasitic
reactions
and
dendrite
growth
have
long
been
major
obstacles
hindering
the
longevity
of
aqueous
zinc‐ion
batteries
(AZIBs).
The
quest
for
more
effective
strategies
to
regulate
highly
active
interface
remains
a
focal
point
in
AZIBs.
Herein,
novel
interface‐targeted
additive
N‐Acetoacetylmorpholine
(NHM)
is
introduced,
by
lowering
interfacial
tension
modifying
electrical
double
layer,
improve
performance
This
reconfiguration
results
H
2
O‐poor
inner
Helmholtz
plane,
which
suppresses
reactions,
accelerates
kinetics,
fosters
uniform
zinc
deposition.
Consequently,
anode
demonstrates
impressive
cycling
durability,
exceeding
3800
h
plating/stripping
process
400
steady
cycle
at
high
depth
discharge
(DOD)
60%.
Zn/NH
4
V
O
10
full
cell
superior
performance,
achieving
80%
capacity
retention
after
1500
cycles.
Moreover,
pouch
cells
with
highloading
cathodes
(13.5
mg
cm
−2
)
can
maintain
70%
300
cycles
0.5
A
g
−1
.
controlled
N/P
ratio
(2.63:1)
shows
excellent
stability
130
These
findings
provide
valuable
insights
into
design
offer
promising
enhancing
practicality
